Academic article

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• Myte, Robin; Gylling, Björn; Häggström, Jenny et al. (2018). One-carbon metabolism biomarkers and genetic variants in relation to colorectal cancer risk by KRAS and BRAF mutation status. (external link)
• Dhar, Indu; Svingen, Gard Frodahl Tveitevåg; Pedersen, Eva Ringdal et al. (2018). Plasma cystathionine and risk of acute myocardial infarction among patients with coronary heart disease: Results from two independent cohorts. (external link)
• Svingen, Gard Frodahl Tveitevåg; Zuo, Hui; Ueland, Per Magne et al. (2018). Increased plasma trimethylamine-N-oxide is associated with incident atrial fibrillation. (external link)
• Mjelva, Øistein; Svingen, Gard Frodahl Tveitevåg; Pedersen, Eva Ringdal et al. (2018). Fibrinogen and Neopterin Is Associated with Future Myocardial Infarction and Total Mortality in Patients with Stable Coronary Artery Disease. (external link)
• Varsi, Kristin; Ueland, Per Magne; Torsvik, Ingrid Kristin et al. (2018). Maternal serum cobalamin at 18 weeks of pregnancy predicts infant cobalamin status at 6 months-A prospective, observational study. (external link)
• Gao, Jie; Meyer, Klaus; Borucki, Katrin et al. (2018). Multiplex immuno-MALDI-TOF MS for targeted quantification of protein biomarkers and their proteoforms related to inflammation and renal dysfunction. (external link)
• Agudelo, Leandro Z.; Ferreira, Duarte M.S.; Cervenka, Igor et al. (2018). Kynurenic Acid and Gpr35 Regulate Adipose Tissue Energy Homeostasis and Inflammation. (external link)
• Brosnan, John T.; Mills, James L.; Ueland, Per Magne et al. (2018). Lifestyle, metabolite, and genetic determinants of formate concentrations in a cross-sectional study in young, healthy adults. (external link)
• Christensen, Monika; Fadnes, Dag Jone Stokke; Røst, Therese Halvorsen et al. (2018). Inflammatory markers, the tryptophan-kynurenine pathway, and Vitamin B status after bariatric surgery. (external link)
• Larose, Tricia L; Guida, Florence; Anouar, Fanidi et al. (2018). Circulating cotinine concentrations and lung cancer risk in the Lung Cancer Cohort Consortium (LC3). (external link)
• Hoel, Hedda Benedicte; Hove-Skovsgaard, Malene; Hov, Johannes Espolin Roksund et al. (2018). Impact of HIV and type 2 diabetes on gut microbiota diversity, tryptophan catabolism and endothelial dysfunction. (external link)
• Jenssen, Astrid Bjørke; Ueland, Per Magne; Monsen, Anne Lise Bjørke (2017). Amniotic fluid arginine from gestational weeks 13 to 15 is a predictor of birth weight, length, and head circumference. (external link)
• Bjørnestad, Espen Øglænd; Borsholm, Robert Andre; Svingen, Gard Frodahl Tveitevåg et al. (2017). Neopterin as an effect modifier of the cardiovascular risk predicted by total homocysteine: A prospective 2-cohort study. (external link)
• Midttun, Øivind; Theofylaktopoulou, Despoina; Mccann, Adrian et al. (2017). Circulating concentrations of biomarkers and metabolites related to Vitamin status, one-carbon and the kynurenine pathways in US, Nordic, Asian, and Australian populations. (external link)
• Mccann, Adrian; Midttun, Øivind; Whitfield, Kyly C. et al. (2017). Comparable performance characteristics of plasma thiamine and erythrocyte thiamine diphosphate in response to thiamine fortification in rural cambodian women. (external link)
• Zuo, Hui; Nygård, Ottar; Vollset, Stein Emil et al. (2017). Smoking, plasma cotinine and risk of atrial fibrillation: the Hordaland Health Study. (external link)
• DeRatt, Barbara N.; Ralat, Maria A.; Lysne, Vegard et al. (2017). Metabolomic evaluation of the consequences of plasma cystathionine elevation in adults with stable angina pectoris. (external link)
• Garcia Lopez, Maria; Bønaa, Kaare; Ebbing, Marta et al. (2017). B Vitamins and Hip Fracture: Secondary Analyses and Extended Follow-Up of Two Large Randomized Controlled Trials. (external link)
• Melvær, Giil Lasse; Midttun, Øivind; Refsum, Helga et al. (2017). Kynurenine pathway metabolites in Alzheimer's disease. (external link)
• Øyen, Jannike; Gjesdal, Clara Gram; Karlsson, Therese et al. (2017). Dietary choline intake is directly associated with bone mineral density in the Hordaland Health Study. (external link)
• Olsen, Thomas; Vinknes, Kathrine; Svingen, Gard Frodahl Tveitevåg et al. (2017). Cardiovascular disease risk associated with serum apolipoprotein B is modified by serum vitamin A. (external link)
• Kvestad, Ingrid; Hysing, Mari; Shrestha, Merina et al. (2017). Vitamin B-12 status in infancy is positively associated with development and cognitive functioning 5 y later in Nepalese children. (external link)
• Gelpi, Marco; Hartling, Hans Jakob; Ueland, Per Magne et al. (2017). Tryptophan catabolism and immune activation in primary and chronic HIV infection. (external link)
• Ulvik, Arve; Hustad, Simon Steinar; Mccann, Adrian et al. (2017). Ratios of one-carbon metabolites are functional markers of B-vitamin status in a Norwegian coronary angiography screening cohort. (external link)
• Rebnord, Eirik Wilberg; Strand, Elin; Midttun, Øivind et al. (2017). The kynurenine:tryptophan ratio as a predictor of incident type 2 diabetes mellitus in individuals with coronary artery disease. (external link)
• Green, Ralph; Allen, Lindsay H.; Monsen, Anne Lise Bjørke et al. (2017). Vitamin B12 deficiency. (external link)
• Gylling, Björn; Myte, Robin; Schneede, Jørn et al. (2017). Vitamin B-6 and colorectal cancer risk: A prospective population-based study using 3 distinct plasma markers of Vitamin B-6 status. (external link)
• Karlsson, Therese; Strand, Elin; Dierkes, Jutta et al. (2017). Associations between intake of fish and n-3 long-chain polyunsaturated fatty acids and plasma metabolites related to the kynurenine pathway in patients with coronary artery disease. (external link)
• Myte, Robin; Gylling, Björn; Häggström, Jenny et al. (2017). Untangling the role of one-carbon metabolism in colorectal cancer risk: A comprehensive Bayesian network analysis. (external link)
• Ntzouvani, Agathi; Nomikos, Tzortzis N.; Panagiotakos, Demosthenes B. et al. (2017). Amino acid profile and metabolic syndrome in a male Mediterranean population: A cross-sectional study. (external link)
• Vistnes, Maria; Tapia, German; Mårild, Karl Staffan et al. (2017). Plasma immunological markers in pregnancy and cord blood: A possible link between macrophage chemo-attractants and risk of childhood type 1 diabetes. (external link)
• Rees, Judy R.; Morris, Carolyn B.; Peacock, Janet L. et al. (2017). Unmetabolized folic acid, tetrahydrofolate, and colorectal adenoma risk. (external link)
• Zuo, Hui; Ueland, Per Magne; Midttun, Øivind et al. (2017). Results from the European prospective investigation into cancer and nutrition link vitamin B6 catabolism and lung cancer risk. (external link)
• Parr, Christine Louise; Magnus, Maria Christine; Karlstad, Øystein et al. (2017). Maternal folate intake during pregnancy and childhood asthma in a population-based cohort. (external link)
• Colomina, Jose M.; Cavallé-Busquets, Pere; Fernàndez-Roig, Sílvia et al. (2016). Maternal folate status and the BHMT c.716g>A polymorphism affect the betaine dimethylglycine pathway during pregnancy. (external link)
• Stiksrud, Birgitte; Lorvik, Kristina Berg; Kvale, Dag et al. (2016). Plasma IP-10 is increased in immunological nonresponders and associated with activated regulatory T cells and persisting low CD4 counts. (external link)
• Deac, Oana M.; Mills, James L.; Gardiner, Clair M. et al. (2016). Serum immune system biomarkers neopterin and interleukin-10 are strongly related to tryptophan metabolism in healthy young adults. (external link)
• Zwart, Sara R.; Gregory, Jesse F.; Zeisel, Steven H. et al. (2016). Genotype, B-vitamin status, and androgens affect spaceflight-induced ophthalmic changes. (external link)
• Monsen, Anne Lise Bjørke; Ulvik, Arve; Nilsen, Roy Miodini et al. (2016). Impact of Pre-Pregnancy BMI on B Vitamin and Inflammatory Status in Early Pregnancy: An Observational Cohort Study. (external link)
• Ding, Yunpeng; Pedersen, Eva Ringdal; Svingen, Gard Frodahl Tveitevåg et al. (2016). Methylenetetrahydrofolate dehydrogenase 1 polymorphisms modify the associations of plasma glycine and serine with risk of acute myocardial infarction in patients with stable angina pectoris in WENBIT (Western Norway B Vitamin Intervention Trial). (external link)
• Fanidi, Anouar; Muller, David C.; Midttun, Øivind et al. (2016). Circulating Vitamin D in relation to cancer incidence and survival of the head and neck and oesophagus in the EPIC cohort. (external link)
• Midttun, Øivind; Mccann, Adrian; Aarseth, Ove et al. (2016). Combined measurement of 6 fat-soluble vitamins and 26 water-soluble functional vitamin markers and amino Acids in 50 μl of serum or plasma by high-throughput mass spectrometry. (external link)
• Ding, Yunpeng; Svingen, Gard Frodahl Tveitevåg; Pedersen, Eva Ringdal et al. (2016). Plasma glycine and risk of acute myocardial infarction in patients with suspected stable angina pectoris. (external link)
• Monsen, Anne Lise Bjørke; Vollsæter, Maria; Ueland, Per Magne et al. (2016). Increased bronchial hyperresponsiveness and higher asymmetric dimethylarginine levels after fetal growth restriction. (external link)
• Huang, Joyce Y.; Butler, Lesley M.; Midttun, Øivind et al. (2016). Serum B6 vitamers (pyridoxal 5′-phosphate, pyridoxal, and 4-pyridoxic acid) and pancreatic cancer risk: two nested case–control studies in Asian populations. (external link)
• Landaas, Elisabeth Toverud; Aarsland, Tore Ivar Malmei; Ulvik, Arve et al. (2016). Vitamin levels in adults with ADHD. (external link)
• Price, Alison J.; Travis, Ruth C.; Appleby, Paul N. et al. (2016). Circulating folate and vitamin B12 and risk of prostate cancer: a collaborative analysis of individual participant data from six cohorts including 6875 cases and 8104 controls. (external link)
• Haugen, Johanne; Ulak, Manjeswori; Chandyo, Ram Krishna et al. (2016). Low Prevalence of Vitamin D Insufficiency among Nepalese Infants Despite High Prevalence of Vitamin D Insufficiency among Their Mothers. (external link)
• Myte, Robin; Gylling, Björn; Schneede, Jørn et al. (2016). Components of one-carbon metabolism other than folate and colorectal cancer risk. (external link)
• Rotroff, Daniel M; Joubert, Bonnie R; Marvel, Skylar W et al. (2016). Maternal smoking impacts key biological pathways in newborns through epigenetic modification in Utero. (external link)
• Fluge, Øystein; Mella, Olav; Bruland, Ove et al. (2016). Metabolic profiling indicates impaired pyruvate dehydrogenase function in myalgic encephalopathy/chronic fatigue syndrome.. (external link)
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• Chandyo, Ram Krishna; Ulak, Manjeswori; Sommerfelt, Halvor et al. (2016). Nutritional intake and status of cobalamin and folate among non-pregnant women of reproductive age in Bhaktapur, Nepal. (external link)
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• Lysne, Vegard; Strand, Elin; Svingen, Gard Frodahl Tveitevåg et al. (2016). Peroxisome Proliferator-Activated Receptor Activation is Associated with Altered Plasma One-Carbon Metabolites and B-Vitamin Status in Rats. (external link)
• Ding, Yunpeng; Pedersen, Eva Ringdal; Johansson, Stefan et al. (2016). B vitamin treatments modify the risk of myocardial infarction associated with a MTHFD1 polymorphism in patients with stable angina pectoris. (external link)
• Zuo, Hui; Ueland, Per Magne; Ulvik, Arve et al. (2016). Plasma Biomarkers of Inflammation, the Kynurenine Pathway, and Risks of All-Cause, Cancer, and Cardiovascular Disease Mortality: The Hordaland Health Study. (external link)
• Reese, Sarah E; Zhao, Shanshan; Wu, Michael C et al. (2016). DNA methylation score as a biomarker in newborns for sustained maternal smoking during pregnancy. (external link)
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• Svingen, Gard Frodahl Tveitevåg; Schartum-Hansen, Hall; Pedersen, Eva Ringdal et al. (2016). Prospective associations of systemic and urinary choline metabolites with incident type 2 diabetes. (external link)
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• Borgeraas, Heidi; Hertel, Jens Kristoffer; Seifert, Reinhard et al. (2016). Serum trans fatty acids, asymmetric dimethylarginine and risk of acute myocardial infarction and mortality in patients with suspected coronary heart disease: a prospective cohort study. (external link)
• Degerud, Eirik Magnus Meek; Hoff, Rune; Nygård, Ottar et al. (2016). Cosinor modelling of seasonal variation in 25-hydroxyvitamin D concentrations in cardiovascular patients in Norway. (external link)
• Molloy, Anne M.; Pangilinan, Faith; Mills, James L. et al. (2016). A Common Polymorphism in HIBCH Influences Methylmalonic Acid Concentrations in Blood Independently of Cobalamin. (external link)
• Ulvik, Arve; Pedersen, Eva Ringdal; Svingen, Gard Frodahl Tveitevåg et al. (2016). Vitamin B-6 catabolism and long-term mortality risk in patients with coronary artery disease. (external link)
• Gaardbo, Julie C.; Trøseid, Marius; Stiksrud, Birgitte et al. (2015). Increased tryptophan catabolism is associated with depletion of Tc17/MAIT cells, and lower CD4 cell count in HIV-1 infected patients on cART after two years of follow-up. (external link)
• Rios-Avila, Luisa; Coats, Bonnie; Ralat, Maria et al. (2015). Pyridoxine supplementation does not alter in vivo kinetics of one-carbon metabolism but modifies patterns of one-carbon and tryptophan metabolites in Vitamin B-6-insufficient oral contraceptive users. (external link)
• Torsvik, Ingrid Kristin; Ueland, Per Magne; Markestad, Trond et al. (2015). Motor development related to duration of exclusive breastfeeding, B vitamin status and B12 supplementation in infants with a birth weight between 2000-3000 g, results from a randomized intervention trial. (external link)
• Aleksandrova, Krasimira; Chuang, Shu-Chun; Boeing, Heiner et al. (2015). A prospective study of the immune system activation biomarker neopterin and colorectal cancer risk. (external link)
• Skeie, Eli; Strand, Elin; Pedersen, Eva Ringdal et al. (2015). Circulating B-vitamins and smoking habits are associated with serum polyunsaturated fatty acids in patients with suspected coronary heart disease: A cross-sectional study. (external link)
• Stiksrud, Birgitte; Nowak, Piotr; Nwosu, Felix Chinweije et al. (2015). Reduced levels of D-dimer and changes in gut microbiota composition after probiotic intervention in HIV-infected individuals on stable ART. (external link)
• Muller, David C.; Scelo, Ghislaine; Zaridze, David et al. (2015). Circulating 25-hydroxyvitamin D3 and survival after diagnosis with kidney cancer. (external link)
• Pedersen, Eva Ringdal; Tuseth, Nora; Eussen, Simone et al. (2015). Associations of plasma kynurenines with risk of acute myocardial infarction in patients with stable angina pectoris. (external link)
• Zuo, Hui; Ueland, Per Magne; Eussen, Simone et al. (2015). Markers of vitamin B6 status and metabolism as predictors of incident cancer: The Hordaland Health Study. (external link)
• Degerud, Eirik Magnus Meek; Løland, Kjetil Halvorsen; Nygård, Ottar et al. (2015). Vitamin D status was not associated with 'one-year' progression of coronary artery disease, assessed by coronary angiography in statin-treated patients. (external link)
• Svingen, Gard Frodahl Tveitevåg; Schartum-Hansen, Hall; Ueland, Per Magne et al. (2015). Elevated plasma dimethylglycine is a risk marker of mortality in patients with coronary heart disease. (external link)
• Øyen, Jannike; Svingen, Gard Frodahl Tveitevåg; Gjesdal, Clara Gram et al. (2015). Plasma dimethylglycine, nicotine exposure and risk of low bone mineral density and hip fracture: the Hordaland Health Study. (external link)
• Schartum-Hansen, Hall; Pedersen, Eva Ringdal; Svingen, Gard Frodahl Tveitevåg et al. (2015). Plasma choline, smoking, and long-term prognosis in patients with stable angina pectoris.. (external link)
• Landaas, Elisabeth Toverud; Hegvik, Tor-Arne; Halmøy, Anne et al. (2015). Serum concentrations of kynurenines in adult patients with attention-deficit hyperactivity disorder (ADHD): a case–control study. (external link)
• Lehmann, Ulrike; Gjessing, Hanne Rosendahl; Hirche, Frank et al. (2015). Efficacy of fish intake on Vitamin D status: A meta-analysis of randomized controlled trials. (external link)
• Aarsland, Tore Ivar Malmei; Landaas, Elisabeth Toverud; Hegvik, Tor-Arne et al. (2015). Serum concentrations of kynurenines in adult patients with attention-deficit hyperactivity disorder (ADHD): A case-control study. (external link)
• Muller, David C.; Johansson, Mattias; Zaridze, David et al. (2015). Circulating concentrations of vitamin B6 and kidney cancer prognosis: A prospective case-cohort study. (external link)
• Carter, Tonia C.; Pangilinan, Faith; Molloy, Anne M. et al. (2015). Common variants at putative regulatory sites of the tissue nonspecific alkaline phosphatase gene influence circulating pyridoxal 5'-phosphate concentration in healthy adults. (external link)
• Deac, Oana M.; Mills, James L.; Shane, Barry et al. (2015). Tryptophan catabolism and vitamin B-6 status are affected by gender and lifestyle factors in healthy young adults. (external link)
• Keaveney, Edel M.; Price, Ruth K.; Hamill, Lesley L. et al. (2015). Postprandial plasma betaine and other methyl donor-related responses after consumption of minimally processed wheat bran or wheat aleurone, or wheat aleurone incorporated into bread. (external link)
• Rios-Avila, Luisa; Coats, Bonnie; Chi, Yueh-Yun et al. (2015). Metabolite profile analysis reveals association of vitamin B-6 with metabolites related to one-carbon metabolism and tryptophan catabolism but notwith biomarkers of inflammation in oral contraceptive users and reveals the effects of oral contraceptives on these processes. (external link)
• Rebnord, Eirik Wilberg; Pedersen, Eva Ringdal; Strand, Elin et al. (2015). Glycated hemoglobin and long-term prognosis in patients with suspected stable angina pectoris without diabetes mellitus: A prospective cohort study.. (external link)
• Eussen, Simone; Ueland, Per Magne; Vollset, Stein Emil et al. (2015). Kynurenines as predictors of acute coronary events in the Hordaland Health Study. (external link)
• Gylling, Björn; Van Guelpen, Bethany; Schneede, Jørn et al. (2014). Low folate levels are associated with reduced risk of colorectal cancer in a population with low folate status. (external link)
• Nilsen, Roy Miodini; Mastroiacovo, Pierpaolo; Gunnes, Nina et al. (2014). Folic acid supplementation and interpregnancy interval. (external link)
• Mills, James L.; Fan, Ruzong; Brody, Lawrence C. et al. (2014). Maternal choline concentrations during pregnancy and choline-related genetic variants as risk factors for neural tube defects. (external link)
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• Theofylaktopoulou, Despoina; Ulvik, Arve; Midttun, Øivind et al. (2014). Vitamins B2 and B6 as determinants of kynurenines and related markers of interferon-gamma-mediated immune activation in the community-based Hordaland health study.. (external link)
• Johansson, Mattias; Anouar, Fanidi; Muller, David C. et al. (2014). Circulating biomarkers of one-carbon metabolism in relation to renal cell carcinoma incidence and survival. (external link)
• Fanidi, Anouar; Relton, Caroline; Ueland, Per Magne et al. (2014). A prospective study of one-carbon metabolism biomarkers and cancer of the head and neck and esophagus. (external link)
• Gárcia-Minguillán, Carlos J.; Fernandez-Ballart, Joan D.; Ceruelo, Santiago et al. (2014). Riboflavin status modifies the effects of methylenetetrahydrofolate reductase (MTHFR) and methionine synthase reductase (MTRR) polymorphisms on homocysteine. (external link)
• De Vogel, Stefan; Ulvik, Arve; Meyer, Klaus et al. (2014). Sarcosine and other metabolites along the choline oxidation pathway in relation to prostate cancer – a large nested case-control study within the JANUS cohort in Norway. (external link)
• Øyen, Jannike; Gjesdal, Clara Gram; Nygård, Ottar et al. (2014). Smoking and body fat mass in relation to bone mineral density and hip fracture: The Hordaland Health Study. (external link)
• Midttun, Øivind; Townsend, Mary K.; Nygård, Ottar et al. (2014). Most blood biomarkers related to vitamin status, one-carbon metabolism, and the kynurenine pathway show adequate preanalytical stability and within-person reproducibility to allow assessment of exposure or nutritional status in healthy women and cardiovascular patients. (external link)
• Meyer, Klaus; Ueland, Per Magne (2014). Targeted quantification of C-Reactive protein and cystatin C and its variants by immuno-MALDI-MS. (external link)
• Engel, Stephanie M.; Joubert, Bonnie R.; Wu, Michael C. et al. (2014). Neonatal genome-wide methylation patterns in relation to birth weight in the Norwegian mother and child cohort. (external link)
• Joubert, Bonnie R.; Håberg, Siri Eldevik; Bell, Douglas A. et al. (2014). Maternal smoking and DNA methylation in newborns: In utero effect or epigenetic inheritance?. (external link)
• Shaw, Gary M.; Yang, Wei; Carmichael, Suzan L. et al. (2014). One-carbon metabolite levels in mid-pregnancy and risks of conotruncal heart defects. (external link)
• Ulvik, Arve; Midttun, Øivind; Pedersen, Eva Kristine Ringdal et al. (2014). Evidence for increased catabolism of vitamin B-6 during systemic inflammation. (external link)
• Apalset, Ellen M; Gjesdal, Clara Gram; Ueland, Per Magne et al. (2014). Interferon (IFN)-γ-mediated inflammation and the kynurenine pathway in relation to bone mineral density: The Hordaland Health Study. (external link)
• Apalset, Ellen M; Gjesdal, Clara Gram; Ueland, Per Magne et al. (2014). Interferon gamma (IFN-γ)-mediated inflammation and the kynurenine pathway in relation to risk of hip fractures: The Hordaland Health Study. (external link)
• Nitter, Mathilde Hjelle; Norgård, Benedicte Wentzel; De Vogel, Stefan et al. (2014). Plasma methionine, choline, betaine, and dimethylglycine in relation to colorectal cancer risk in the European Prospective Investigation into Cancer and Nutrition (EPIC). (external link)
• Doets, EL; Ueland, Per Magne; Tell, Grethe S et al. (2014). Interactions between plasma concentrations of folate and markers of vitamin B12 status with cognitive performance in elderly people not exposed to folic acid fortification: the Hordaland Health Study. (external link)
• Øyen, Jannike; Nygård, Ottar; Gjesdal, Clara Gram et al. (2014). Plasma choline, nicotine exposure, and risk of low bone mineral density and hip fracture: the Hordaland Health Study. (external link)
• Chuang, Shu-Chun; Fanidi, Anouar; Ueland, Per Magne et al. (2014). Circulating biomarkers of tryptophan and the kynurenine pathway and lung cancer risk. (external link)
• Muller, David C; Fanidi, Anouar; Midttun, Øivind et al. (2014). Circulating 25-hydroxyvitamin D3 in relation to renal cell carcinoma incidence and survival in the EPIC cohort. (external link)
• Strand, Tor A; Taneja, Sunita; Ueland, Per Magne et al. (2013). Cobalamin and folate status predicts mental development scores in North Indian children 12-18 mo of age. (external link)
• Torsvik, Ingrid Kristin; Markestad, Trond; Ueland, Per Magne et al. (2013). Evaluating iron status and the risk of anemia in young infants using erythrocyte parameters. (external link)
• Roth, Christine; Monsen, Anne Lise Bjørke; Reichborn-Kjennerud, Ted et al. (2013). Use of folic acid supplements in early pregnancy in relation to maternal plasma levels in week 18 of pregnancy. (external link)
• Vogiatzoglou, Anna; Smith, David; Nurk, Eha et al. (2013). Cognitive function in an elderly population: Interaction between vitamin B12 status, depression and apolipoprotein E4. The Hordaland Homocysteine Study. (external link)
• Shenker, Nathalie S.; Ueland, Per Magne; Polidoro, Silvia et al. (2013). DNA methylation as a long-term biomarker of exposure to tobacco Smoke. (external link)
• Torsvik, Ingrid Kristin; Ueland, Per Magne; Markestad, Trond et al. (2013). Cobalamin supplementation improves motor development and regurgitations in infants: results from a randomized intervention study. (external link)
• da Silva, Vanessa R.; Rios-Avila, Luisa; Lamers, Yvonne et al. (2013). Metabolite profile analysis reveals functional effects of 28-day vitamin B-6 restriction on one-carbon metabolism and tryptophan catabolic pathways in healthy men and women. (external link)
• Strain, John J.; McSorley, Emeir M.; van Wijngaarden, Edwin et al. (2013). Choline status and neurodevelopmental outcomes at 5 years of age in the Seychelles Child Development Nutrition Study. (external link)
• Jenssen, Håvard Bjørke; Torsvik, Ingrid Kristin; Ueland, Per Magne et al. (2013). Biochemical signs of impaired cobalamin function do not affect hematological parameters in young infants: results from a double-blind randomized controlled trial. (external link)
• Baltar, Valéria Troncoso; Xun, Wei W.; Johansson, Mattias et al. (2013). A structural equation modelling approach to explore the role of B vitamins and immune markers in lung cancer risk. (external link)
• van Meurs, Joyce B.J.; Pare, Guillaume; Schwartz, Stephen M. et al. (2013). Common genetic loci influencing plasma homocysteine concentrations and their effect on risk of coronary artery disease. (external link)
• Pedersen, Eva Kristine Ringdal; Svingen, Gard Frodahl Tveitevåg; Schartum-Hansen, Hall et al. (2013). Urinary excretion of kynurenine and tryptophan, cardiovascular events, and mortality after elective coronary angiography. (external link)
• Løland, Kjetil Halvorsen; Bleie, Øyvind; Strand, Elin et al. (2013). Effect of folic acid supplementation on levels of circulating monocyte chemoattractant protein-1 and the presence of intravascular ultrasound derived virtual histology thin-cap fibroatheromas in patients with stable angina pectoris. (external link)
• Schartum-Hansen, Hall; Ueland, Per Magne; Pedersen, Eva Kristine Ringdal et al. (2013). Assessment of urinary betaine as a marker of diabetes mellitus in cardiovascular patients. (external link)
• Vinknes, Kathrine; Dekker, Jacqueline M.; Drevon, Christian A et al. (2013). Plasma sulfur amino acids and stearoyl-CoA desaturase activity in two caucasian populations. Prostaglandins Leukot Essent Fatty Acids 2. (external link)
• Midttun, Øyvind; Kvalheim, Gry; Ueland, Per Magne (2013). High-throughput, low-volume, multianalyte quantification of plasma metabolites related to one-carbon metabolism using HPLC-MS/MS. (external link)
• Sandvik, Miriam Kristine; Leirgul, Elisabeth; Nygård, Ottar et al. (2013). Preeclampsia in healthy women and endothelial dysfunction 10 years later. (external link)
• Løland, Kjetil Halvorsen; Bleie, Øyvind; Borgeraas, Heidi et al. (2013). The association between progression of atherosclerosis and the methylated amino acids asymmetric dimethylarginine and trimethyllysine. (external link)
• Theofylaktopoulou, Despoina; Midttun, Øivind; Ulvik, Arve et al. (2013). A community-based study on determinants of circulating markers of cellular immune activation and kynurenines: the Hordaland Health Study. (external link)
• Fernandez-Roig, Silvia; Cavalle-Busquets, Pere; Fernandez-Ballart, Joan D. et al. (2013). Low folate status enhances pregnancy changes in plasma betaine and dimethylglycine concentrations and the association between betaine and homocysteine. (external link)
• Nurk, Eha; Refsum, Helga; Bjelland, Ingvar et al. (2013). Plasma free choline, betaine and cognitive performance: the Hordaland Health Study. (external link)
• Monsen, Anne Lise Bjørke; Roth, Christine; Magnus, Per et al. (2013). Maternal B vitamin status in pregnancy week 18 according to reported use of folic acid supplements. (external link)
• Bjørke-Monsen, Anne Lise; Halvorsen, Thomas; Midttun, Øyvind et al. (2013). Increased inflammatory markers in adolescents born extremely preterm and small for gestational age. (external link)
• Cope, Elizabeth L.; Shrubsole, Martha J.; Cohen, Sarah S. et al. (2013). Intraindividual variation in one-carbon metabolism plasma biomarkers. (external link)
• Sulo, Gerhard; Vollset, Stein Emil; Nygård, Ottar et al. (2013). Neopterin and kynurenine-tryptophan ratio as predictors of coronary events in older adults, the Hordaland Health Study. (external link)
• Storm, Christian; Danne, Oliver; Ueland, Per Magne et al. (2013). Serial plasma choline measurements after cardiac arrest in patients undergoing mild therapeutic hypothermia: a prospective observational pilot trial. (external link)
• Eussen, Simone; Nilsen, Roy Miodini; Midttun, Øivind et al. (2013). North-south gradients in plasma concentrations of B-vitamins and other components of one-carbon metabolism in Western Europe: results from the European Prospective Investigation into Cancer and Nutrition (EPIC) Study. (external link)
• Ulvik, Arve; Theofylaktopoulou, Despoina; Midttun, Øivind et al. (2013). Substrate product ratios of enzymes in the kynurenine pathway measured in plasma as indicators of functional vitamin B-6 status. (external link)
• Svingen, Gard Frodahl Tveitevåg; Ueland, Per Magne; Pedersen, Eva Kristine Ringdal et al. (2013). Plasma dimethylglycine and risk of incident acute myocardial infarction in patients with stable angina pectoris. (external link)
• De Vogel, Stefan; Meyer, Klaus; Fredriksen, Åse et al. (2013). Serum folate and vitamin B12 concentrations in relation to prostate cancer risk-a Norwegian population-based nested case-control study of 3000 cases and 3000 controls within the JANUS cohort. (external link)
• Vollset, Stein Emil; Clarke, Robert; Lewington, Sarah et al. (2013). Effects of folic acid supplementation on overall and site-specific cancer incidence during the randomised trials: meta-analyses of data on 50 000 individuals. (external link)
• Hogeveen, Marije; den Heijer, Martin; Semmekrot, Ben A. et al. (2013). Umbilical choline and related methylamines betaine and dimethylglycine in relation to birth weight. (external link)
• Joubert, Bonnie R.; Håberg, Siri Eldevik; Nilsen, Roy Miodini et al. (2012). 450K epigenome-wide scan identifies differential DNA methylation in newborns related to maternal smoking during pregnancy. (external link)
• Igland, Jannicke; Vollset, Stein Emil; Nygård, Ottar et al. (2012). Relative importance of risk factors for coronary heart disease - The Hordaland Homocysteine Study. (external link)
• Kvalvik, Liv Grimstvedt; Nilsen, Roy Miodini; Skjaerven, Rolv et al. (2012). Self-reported smoking status and plasma cotinine concentrations among pregnant women in the Norwegian Mother and Child Cohort Study. (external link)
• Hustad, Simon Steinar; Eussen, Simone; Midttun, Øivind et al. (2012). Kinetic modeling of storage ffects on biomarkers related to B vitamin status and one-carbon metabolism. (external link)
• Nilsen, Roy Miodini; Monsen, Anne Lise Bjørke; Midttun, Øivind et al. (2012). Maternal tryptophan and kynurenine pathway metabolites and risk of preeclampsia. (external link)
• Galluzzi, Lorenzo; Vitale, Ilio; Senovilla, Laura et al. (2012). Prognostic impact of vitamin B6 metabolism in lung cancer. (external link)
• Gloyn, Anna L.; Faber, Johan H.; Malmodin, Daniel et al. (2012). Metabolic profiling in maturity-onset diabetes of the young (MODY) and young onset type 2 diabetes fails to detect robust urinary biomarkers. (external link)
• Christensen, Monika; Pedersen, Eva Kristine Ringdal; Nordbø, Yngve et al. (2012). Vitamin B6 status and interferon-γ-mediated immune activation in primary hyperparathyroidism. (external link)
• Jung, Audrey Y; Botma, Akke; Lute, Carolien et al. (2012). Plasma B vitamins and LINE-1 DNA methylation in leukocytes of patients with a history of colorectal adenomas. (external link)
• Monsen, Anne Lise Bjørke; Torsvik, Ingrid Kristin; Ueland, Per Magne et al. (2012). Increased yet iron-restricted erythropoiesis in postpartum mothers. (external link)
• Wallace, Julie M.W.; McCormack, Jacqueline M.; McNulty, Helene et al. (2012). Choline supplementation and measures of choline and betaine status: a randomised, controlled trial in postmenopausal women. (external link)
• Borgeraas, Heidi; Strand, Elin; Pedersen, Eva Kristine Ringdal et al. (2012). Omega-3 status and the relationship between plasma asymmetric dimethylarginine and risk of myocardial infarction in patients with suspected coronary artery disease. (external link)
• Leenders, Max; Chuang, Shu-Chun; Dahm, Christina C. et al. (2012). Plasma cotinine levels and pancreatic cancer in the EPIC cohort study. (external link)
• Ulvik, Arve; Midttun, Øivind; Pedersen, Eva Kristine Ringdal et al. (2012). Association of plasma B-6 vitamers with systemic markers of inflammation before and after pyridoxine treatment in patients with stable angina pectoris. (external link)
• Monsen, Anne Lise Bjørke; Ueland, Per Magne (2011). Cobalamin status in children. (external link)
• Ueland, Per Magne (2011). Choline and betaine in health and disease. (external link)
• De Vogel, Stefan; Schneede, Jörn; Ueland, Per Magne et al. (2011). Biomarkers related to one-carbon metabolism as potential risk factors for distal colorectal adenomas. (external link)
• Manger, Mari Skar; Strand, Tor A; Taneja, Sunita et al. (2011). Cobalamin Status Modifies the Effect of Zinc Supplementation on the Incidence of Prolonged Diarrhea in 6-to 30-Month-Old North Indian Children. (external link)
• Vineis, Paolo; Chuang, Shu-Chun; Vaissiere, Thomas et al. (2011). DNA methylation changes associated with cancer risk factors and blood levels of vitamin metabolites in a prospective study. (external link)
• Pedersen, Eva Kristine Ringdal; Midttun, Øivind; Ueland, Per Magne et al. (2011). Systemic Markers of Interferon-gamma-Mediated Immune Activation and Long-Term Prognosis in Patients With Stable Coronary Artery Disease. (external link)
• Timofeeva, Maria N.; McKay, James D.; Smith, George Davey et al. (2011). Genetic polymorphisms in 15q25 and 19q13 Loci, cotinine levels, and risk of lung cancer in EPIC. (external link)
• Manger, Mari Skar; Taneja, Sunita; Strand, Tor A et al. (2011). Poor folate status predicts persistent diarrhea in 6- to 30-month-old north Indian children. (external link)
• Riedel, Bettina; Molloy, Anne M.; Meyer, Klaus et al. (2011). Transcobalamin polymorphism 67A-> G, but not 776C-> G, affects serum holotranscobalamin in a cohort of healthy middle-aged men and women. (external link)
• Chuang, Shu-Chun; Stolzenberg-Solomon, Rachel; Ueland, Per Magne et al. (2011). A U-shaped relationship between plasma folate and pancreatic cancer risk in the European Prospective Investigation into Cancer and Nutrition. (external link)
• Baltar, Valeria Troncoso; Xun, Wei W.; Chuang, Shu-Chun et al. (2011). Smoking, secondhand smoke, and cotinine levels in a subset of EPIC Cohort. (external link)
• Stone, Nicole; Pangilinan, Faith; Molloy, Anne M. et al. (2011). Bioinformatic and Genetic Association Analysis of MicroRNA Target Sites in One-Carbon Metabolism Genes. (external link)
• Bleie, Øyvind; Strand, Elin; Ueland, Per Magne et al. (2011). Coronary blood flow in patients with stable coronary artery disease treated long term with folic acid and vitamin B12. (external link)
• Valente, Edward; Scott, John M.; Ueland, Per Magne et al. (2011). Diagnostic accuracy of holotranscobalamin, methylmalonic acid, serum cobalamin, and other indicators of tissue vitamin B-12 status in the elderly. (external link)
• Midttun, Øivind; Ueland, Per Magne (2011). Determination of vitamins A, D and E in a small volume of human plasma by a high-throughput method based on liquid chromatography/tandem mass spectrometry. (external link)
• Midttun, Øivind; Ulvik, Arve; Pedersen, Eva Kristine Ringdal et al. (2011). Low plasma vitamin B-6 status affects metabolism through the kynurenine pathway in cardiovascular patients with systemic inflammation. (external link)
• Mills, James L.; Carter, Tonia C.; Scott, John M. et al. (2011). Do high blood folate concentrations exacerbate metabolic abnormalities in people with low vitamin B-12 status?. (external link)
• Price, R.K.; Keaveney, E. M.; Hamill, L. L. et al. (2010). Consumption of Wheat Aleurone-Rich Foods Increases Fasting Plasma Betaine and Modestly Decreases Fasting Homocysteine and LDL-Cholesterol in Adults. (external link)
• Pedersen, Eva Kristine Ringdal; Midttun, Øivind; Ueland, Per Magne et al. (2010). Systemic Markers of Interferon-–Mediated Immune Activation and Long-Term Prognosis in Patients With Stable Coronary Artery Disease. (external link)
• Eussen, Simone; Vollset, Stein Emil; Hustad, Simon Steinar et al. (2010). Vitamins B2 and B6 and Genetic Polymorphisms Related to One-Carbon Metabolism as Risk Factors for Gastric Adenocarcinoma in the European Prospective Investigation into Cancer and Nutrition. (external link)
• Eussen, Simone; Vollset, Stein Emil; Igland, Jannicke et al. (2010). Plasma folate, related genetic variants, and colorectal cancer Risk in EPIC. (external link)
• Eussen, Simone; Vollset, Stein Emil; Hustad, Simon Steinar et al. (2010). Plasma vitamins B2, B6, and B12, and related genetic variants as predictors of colorectal cancer risk. (external link)
• Levine, A. Joan; Grau, Maria V.; Mott, Leila A. et al. (2010). Baseline plasma total homocysteine and adenoma recurrence: results from a double blind randomized clinical trial of aspirin and folate supplementation. (external link)
• Johansson, Mattias; Relton, Caroline; Ueland, Per Magne et al. (2010). Serum B vitamin levels and risk of lung cancer. (external link)
• Hazra, Aditi; Selhub, Jacob; Chao, Wei-Hsun et al. (2010). Uracil misincorporation into DNA and folic acid supplementation. (external link)
• Nilsen, Roy M; Vollset, Stein Emil; Monsen, Anne Lise B et al. (2010). Infant birth size is not associated with maternal intake and status of folate during the second trimester in norwegian pregnant women. (external link)
• Hogeveen, Marije; Blom, Henk J; van der Heijden, Elisabeth H. et al. (2010). Maternal homocysteine and related B vitamins as risk factors for low birthweight. (external link)
• Hannisdal, Rita; Gislefoss, Randi Elin; Grimsrud, Tom K. et al. (2010). Analytical Recovery of Folate and Its Degradation Products in Human Serum Stored at-25 degrees C for up to 29 Years. (external link)
• Ebbing, M; Bønaa, Kaare Harald; Arnesen, E et al. (2010). Combined analyses and extended follow-up of two randomized controlled homocysteine-lowering B-vitamin trials. (external link)
• Ulvik, Arve; Ebbing, Marta; Hustad, Steinar et al. (2010). Long- and short-term effects of tobacco smoking on circulating concentrations of B vitamins. (external link)
• Løland, Kjetil Halvorsen; Bleie, Øyvind; Blix, Are Jordahl et al. (2010). Effect of homocysteine-lowering B vitamin treatment on angiographic progression of coronary artery disease: a western Norway B vitamin intervention trial (WENBIT) substudy. (external link)
• Shaw, Gary M; Vollset, Stein Emil; Carmichael, Suzan L et al. (2009). Nested case-control study of one-carbon metabolites in mid-pregnancy and risks of cleft lip with and without cleft palate. (external link)
• Midttun, Øivind; Hustad, Simon Steinar; Ueland, Per Magne (2009). Quantitative profiling of biomarkers related to B-vitamin status, tryptophan metabolism and inflammation in human plasma by liquid chromatography/tandem mass spectrometry. (external link)
• Elshorbagy, Amany K; Gjesdal, Clara Gram; Nurk, Eha et al. (2009). Cysteine, homocysteine and bone mineral density: A role for body composition?. (external link)
• Lamers, Yvonne; Williamson, Jerry; Ralat, Maria et al. (2009). Moderate Dietary Vitamin B-6 Restriction Raises Plasma Glycine and Cystathionine Concentrations While Minimally Affecting the Rates of Glycine Turnover and Glycine Cleavage in Healthy Men and Women. (external link)
• Meyer, Klaus; Fredriksen, Åse; Ueland, Per Magne (2009). MALDI-TOF MS Genotyping of Polymorphisms Related to One-carbon Metabolism using Common and Mass-modified Terminators. (external link)
• Shaw, Gary M; Carmichael, Susan L; Vollset, Stein Emil et al. (2009). Mid-pregnancy cotinine and risks of orofacial clefts and neural tube defects. (external link)
• Vogiatzoglou, Anna; Smith, A. David; Nurk, Eha et al. (2009). Dietary sources of vitamin B-12 and their association with plasma vitamin B-12 concentrations in the general population: the Hordaland Homocysteine Study. (external link)
• Boyles, Abee L.; Wilcox, Allen J.; Taylor, Jack A. et al. (2009). Oral facial clefts and gene polymorphisms in metabolism of folate/one-carbon and vitamin A: a pathway-wide association study. (external link)
• Brække, Kristin; Ueland, Per Magne; Harsem, Nina Kittelsen et al. (2009). Asymmetric dimethylarginine in the maternal and fetal circulation in preeclampsia. (external link)
• Bjelland, Ingvar; Tell, Grethe S; Vollset, Stein Emil et al. (2009). Choline in anxiety and depression: the Hordaland Health Study. (external link)
• Johansson, Mattias; Van Guelpen, Bethany; Vollset, Stein Emil et al. (2009). One-carbon metabolism and prostate cancer risk: prospective investigation of seven circulating B vitamins and metabolites. (external link)
• Vogiatzoglou, Anna; Oulhaj, Abderrahim; Smith, David et al. (2009). Determinants of plasma methylmalonic acid in a large population: implications for assessment of vitamin B12 status. (external link)
• Hannisdal, Rita; Ueland, Per Magne; Svardal, Asbjørn (2009). Liquid chromatography-tandem mass spectrometry analysis of folate and folate catabolites in human serum. (external link)
• Shaw, Gary M; Finnell, Richard H; Blom, Henk J et al. (2009). Choline and risk of neural tube defects in a folate-fortified population. (external link)
• Ebbing, Marta; Bønaa, Kaare Harald; Nygård, Ottar et al. (2009). Cancer incidence and mortality after treatment with folic acid and vitamin B12. (external link)
• Hannisdal, Rita; Ueland, Per Magne; Eussen, Simone et al. (2009). Analytical Recovery of Folate Degradation Products Formed in Human Serum and Plasma at Room Temperature. (external link)
• Ulvik, Arve; Vollset, Stein Emil; Hoff, Geir et al. (2008). Coffee consumption and circulating B-vitamins in healthy middle-aged men and women. (external link)
• Figueiredo, Jane C.; Levine, A. Joan; Grau, Maria V. et al. (2008). Colorectal adenomas in a randomized folate trial: The role of baseline dietary and circulating folate levels. (external link)
• Konstantinova, Svetlana; Tell, Grethe S; Vollset, Stein Emil et al. (2008). Dietary patterns, food groups, and nutrients as predictors of plasma choline and betaine in middle-aged and elderly men and women. (external link)
• Clarke, Robert; Sherliker, Paul; Hin, Harold et al. (2008). Folate and vitamin B-12 status in relation to cognitive impairment and anaemia in the setting of voluntary fortification in the UK. (external link)
• Levine, A. Joan; Wallace, Kristin; Tsang, Shirley et al. (2008). MTHFR genotype and colorectal adenoma recurrence: Data from a double-blind placebo-controlled clinical trial. (external link)
• Figueiredo, Jane C.; Levine, A. Joan; Grau, Maria V. et al. (2008). Vitamins B-2, B-6, and B-12 and risk of new colorectal adenomas in a randomized trial of aspirin use and folic acid supplementation. (external link)
• Eussen, Simone; Ueland, Per Magne; Hiddink, Gert Jan et al. (2008). Changes in markers of cobalamin status after cessation of oral B-vitamin supplements in elderly people with mild cobalamin deficiency. (external link)
• Ebbing, Marta; Bleie, Øyvind; Bleie, O et al. (2008). Mortality and cardiovascular events in patients treated with homocysteine-lowering B vitamins after coronary angiography - A Randomized controlled trial. (external link)
• Elshorbagy, Amany K.; Nurk, Eha; Gjesdal, Clara Gram et al. (2008). Homocysteine, cysteine, and body composition in the Hordaland Homocysteine Study: does cysteine link amino acid and lipid metabolism?. (external link)
• Johansson, Mattias; Appleby, Paul N.; Allen, Naomi E. et al. (2008). Circulating concentrations of folate and vitamin B-12 in relation to prostate cancer risk: Results from the European Prospective Investigation into Cancer and Nutrition study. (external link)
• Bjørke-Monsen, Anne Lise; Torsvik, Ingrid Kristin; Sætran, Hege et al. (2008). Common metabolic profile in infants indicating impaired cobalamin status responds to cobalamin supplementation. (external link)
• Signore, Caroline; Ueland, Per Magne; Troendle, James et al. (2008). Choline concentrations in human maternal and cord blood and intelligence at 5 y of age. (external link)
• Konstantinova, Svetlana; Tell, Grethe S; Vollset, Stein Emil et al. (2008). Divergent associations of plasma choline and betaine with components of metabolic syndrome in middle age and elderly men and women. (external link)
• Nilsen, Roy M; Vollset, Stein Emil; Rasmussen, Svein Arvid et al. (2008). Folic acid and multivitamin supplement use and risk of placental abruption: A population-based registry study. (external link)
• Hannisdal, Rita; Svardal, Asbjørn; Ueland, Per Magne (2008). Measurement of folate in fresh and archival serum samples as p-aminobenzoylglutamate equivalents. (external link)
• Boyles, Abee L.; Wilcox, Allen J.; Taylor, Jack A. et al. (2008). Folate and one-carbon metabolism gene polymorphisms and their associations with oral facial clefts. (external link)
• Wallace, Julie M.W.; Bonham, Maxine P.; Strain, James J. et al. (2008). Homocysteine concentration, related B vitamins, and betaine in pregnant women recruited to the Seychelles Child Development Study. (external link)
• Ulvik, Arve; Ueland, Per Magne; Fredriksen, Åse et al. (2007). Functional inference of the methylenetetrahydrofolate reductase 677 C > T and 1298A > C polymorphisms from a large-scale epidemiological study. (external link)
• Elshorbagy, Amany K; Oulhaj, Abderrahim; Konstantinova, Svetlana et al. (2007). Plasma creatinine as a determinant of plasma total homocysteine concentrations in the Hordaland Homocysteine Study: Use of statistical modeling to determine reference limits. (external link)
• Eussen, Simone Josephina; Ueland, Per Magne; Clarke, Robert et al. (2007). The association of betaine, homocysteine with cognitive function in Dutch elderly and related metabolites people. (external link)
• Ueland, Per Magne; Midttun, Øivind; Windelberg, Amrei et al. (2007). Quantitative profiling of folate and one-carbon metabolism in large-scale epidemiological studies by mass spectrometry. (external link)
• Vollset, Stein Emil; Igland, Jannicke; Jenab, Mazda et al. (2007). The association of gastric cancer risk with plasma folate, cobalamin, and Methylenetetrahydrofolate reductase polymorphisms in the European prospective investigation into cancer and nutrition. (external link)
• Taneja, Sunita; TaneJa, S; Bhandari, Nita et al. (2007). Cobalamin and folate status in infants and young children in a low-to-middle income community in India. (external link)
• Cole, Bernard F.; Baron, John A.; Sandler, Robert S. et al. (2007). Folic acid for the prevention of colorectal adenomas - A randomized clinical trial. (external link)
• Hustad, Simon Steinar; Midttun, Øivind; Schneede, Jørn et al. (2007). The methylenetetrahydrofolate reductase 677C -> T polymorphism as a modulator of a B vitamin network with major effects on homocysteine metabolism. (external link)
• Berstad, Paula; Konstantinova, Svetlana; Refsum, Helga et al. (2007). Dietary fat and plasma total homocysteine concentrations in 2 adult age groups: the Hordaland Homocysteine Study. (external link)
• Halsted, Charles H. ; Wong, Donna H.; Peerson, Janet M. et al. (2007). Relations of glutamate carboxypeptidase II (GCPII) polymorphisms to folate and homocysteine concentrations and to scores of cognition, anxiety, and depression in a homogeneous Norwegian population: the Hordaland Homocysteine Study. (external link)
• Bleie, Øyvind; Strand, Elin; Ueland, Per Magne et al. (2007). Changes in Atherosclerotic Plaque Volume Measured with Intracoronary Ultrasound during B-vitamin Intervention (a WENBIT substudy). (external link)
• Clarke, Robert; Birks, Jacqueline; Nexø, Ebba et al. (2007). Low vitamin B-12 status and risk of cognitive decline in older adults. (external link)
• Holm, Pål Ivar; Hustad, Simon Steinar; Ueland, Per Magne et al. (2007). Modulation of the homocysteine-betaine relationship by methylenetetrahydrofolate reductase 677 C-> T genotypes and B-vitamin status in a large-scale epidemiological study. (external link)
• Strand, Tor A; Taneja, Sunita; Bhandari, Nita et al. (2007). Folate, but not vitamin B-12 status, predicts respiratory morbidity in north Indian children. (external link)
• Gjesdal, Clara Gram; Vollset, Stein Emil; Ueland, Per Magne et al. (2007). Plasma homocysteine, folate, and vitamin B-12 and the risk of hip fracture: The hordaland homocysteine study. (external link)
• Clarke, Robert; Sherliker, Paul; Hin, Harold et al. (2007). Detection of vitamin B-12 deficiency in older people by measuring vitamin B-12 or the active fraction of vitamin B-12, holotranscobalamin. (external link)
• Bleie, O; Bleie, Øyvind; Semb, Anne Grete et al. (2007). Homocysteine-lowering therapy does not affect inflammatory markers of atherosclerosis in patients with stable coronary artery disease. (external link)
• Konstantinova, Svetlana; Vollset, Stein Emil; Berstad, Paula et al. (2007). Dietary predictors of plasma total homocysteine in the Hordaland Homocysteine Study. (external link)
• Brække, Kristin; Braekke, K; Ueland, Per Magne et al. (2007). Homocysteine, cysteine, and related metabolites in maternal and fetal plasma in preeclampsia. (external link)
• Fredriksen, Åse; Meyer, Klaus; Ueland, Per Magne et al. (2007). Large-scale population-based metabolic phenotyping of thirteen genetic polymorphisms related to one-carbon metabolism. (external link)
• Midttun, Øivind; Hustad, Simon Steinar; Schneede, Jørn et al. (2007). Plasma vitamin B-6 forms and their relation to transsulfuration metabolites in a large, population-based study. (external link)
• Murphy, Michelle M. ; Molloy, Anne M.; Ueland, Per Magne et al. (2007). Longitudinal study of the effect of pregnancy on maternal and fetal cobalamin status in healthy women and their offspring. (external link)
• Nurk, Eha; Refsum, Helga; Tell, Grete S et al. (2006). Factor V Leiden, pregnancy complications and adverse outcomes: the Hordaland Homocysteine Study. (external link)
• Nurk, Eha; Tell, Grethe S; Refsum, Helga et al. (2006). Factor V Leiden, pregnancy complications and adverse outcomes: The Hordaland Homocysteine Study. (external link)
• Nilsen, Roy M; Vollset, Stein Emil; Gjessing, Håkon K. et al. (2006). Patterns and predictors of folic acid supplement use among pregnant women: the Norwegian Mother and Child Cohort Study. (external link)
• Hin, Harold; Clarke, Robert; Sherliker, Paul et al. (2006). Clinical relevance of low serum vitamin B12 concentrations in older people: the Banbury B12 study. (external link)
• Clarke, R; Armitage, J.; Lewington, S et al. (2006). Homocysteine-lowering trials for prevention of cardiovascular events: A review of the design and power of the large randomized trials. (external link)
• Refsum, Helga; Nurk, Eha; Smith, A.D. et al. (2006). The hordaland homocysteine study: A community-based study of homocysteine, its determinants, and associations with disease. (external link)
• Clarke, R; Armitage, J.; Lewington, S. et al. (2006). Homocysteine-lowering trials for prevention of cardiovascular events: A review of the design and power of the large randomized trials. (external link)
• Keijzer, Miranda B.A.J.; den Heijer, Martin; Borm, George F. et al. (2006). Low fasting methionine concentration as a novel risk factor for recurrent venous thrombosis. (external link)
• Monsen, Anne Lise Bjørke; Schneede, Jørn; Ueland, Per Magne (2006). Mid-trimester amniotic fluid methionine concentrations: a predictor of birth weight and length. (external link)
• Eussen, Simone J.; de Groot, Lisette C.; Joosten, Liesbeth W et al. (2006). Effect of oral vitamin B-12 with or without folic acid on cognitive function in older people with mild vitamin B-12 deficiency: a randomized, placebo-controlled trial. (external link)
• Bønaa, Kaare Harald; Njølstad, Inger; Ueland, Per Magne et al. (2006). Homocysteine lowering and cardiovascular events after acute myocardial infarction. (external link)
• Gjesdal, Clara G.; Vollset, Stein Emil; Ueland, Per Magne et al. (2006). Plasma total homocysteine level and bone mineral density - The Hordaland homocysteine study. (external link)
• Brevik, Asgeir; Vollset, Stein Emil; Tell, Grethe S et al. (2005). Plasma concentration of folate as a biomarker for the intake of fruit and vegetables: the Hordaland Homocysteine Study. (external link)
• Nurk, Eha; Refsum, Helga; Tell, Grethe S et al. (2005). Plasma total homocysteine and memory in the elderly. The Hordaland Homocysteine Study. (external link)
• Nurk, Eha; Refsum, Helga; Tell, GS et al. (2005). Plasma total homocysteine and memory in the elderly: the Hordaland Homocysteine Study. (external link)
• Molloy, Anne M.; Mills, James L.; Cox, Christopher et al. (2005). Choline and homocysteine interrelations in umbilical cord and maternal plasma at delivery. (external link)
• Melse-Boonstra, Alida; Holm, Pål Ivar; Ueland, Per Magne et al. (2005). Betaine concentration as a determinant of fasting total homocysteine concentrations and the effect of folic acid supplementation on betaine concentrations. (external link)
• Velzing-Aarts, Francien V.; Holm, Pål Ivar; Fokkema, M. Rebecca et al. (2005). Plasma choline and betaine and their relation to plasma homocysteine in normal pregnancy. (external link)
• Eussen, Simone J.P.M.; de Groot, Lisette C.P.G.M.; Clarke, Robert et al. (2005). Oral cyanocobalamin supplementation in older people with vitamin B-12 deficiency - A dose-finding trial. (external link)
• Windelberg, Amrei; Årseth, Ove; Kvalheim, Gry et al. (2005). Automated assay for the determination of methylmalonic acid, total homocysteine, and related amino acids in human serum or plasma by means of methylchloroformate derivatization and gas chromatography-mass spectrometry. (external link)
• Ueland, Per Magne; Holm, Pål Ivar; Hustad, Simon Steinar (2005). Betaine: a key modulator of one-carbon metabolism and homocysteine status. (external link)
• Bjørn Øivind, Midttun; Hustad, Simon Steinar; Solheim, Einar et al. (2005). Multianalyte quantification of vitamin B-6 and B-2 species in the nanomolar range in human plasma by liquid chromatography - Tandem mass spectrometry. (external link)
• Holm, Pål Ivar; Ueland, Per Magne; Vollset, Stein Emil et al. (2005). Betaine and folate status as cooperative determinants of plasma homocysteine in humans. (external link)
• Mørkbak, Anne L.; Heimdal, Randi Mjelde; Emmens, Kathleen et al. (2005). Evaluation of the technical performance of novel holotranscobalamin (holoTC) assays in a multicenter European demonstration project. (external link)
• Schneede, Jørn; Ueland, Per Magne (2005). Novel and established markers of cobalamin deficiency: complementary or exclusive diagnostic strategies. (external link)
• Riedel, Bettina; Monsen, Anne Lise Bjørke; Ueland, Per Magne et al. (2005). Effects of oral contraceptives and hormone replacement therapy on markers of cobalamin status. (external link)
• de Bree, Angelika; van der Put, Nathalie; Mennen, Louise et al. (2005). Prevalences of hyperhomocysteinemia, unfavorable cholesterol profile and hypertension in European populations. (external link)
• Refsum, Helga; Grindflek, A.W.; Ueland, Per Magne et al. (2004). Screening for serum total homocysteine in newborn children. (external link)
• Meyer, Klaus; Fredriksen, Åse; Ueland, Per Magne (2004). High-level multiplex genotyping of polymorphisms involved in folate or homocysteine metabolism by matrix-assisted laser desorption/ionization mass spectrometry. (external link)
• Refsum, Helga; Fredriksen, Åse; Meyer, Klaus et al. (2004). Birth prevalence of homocystinuria. (external link)
• Ulvik, Arve; Vollset, Stein Emil; Hansen, Svein et al. (2004). Colorectal Cancer and the Methylenetetrahydrofolate Reductase 677C - T and Methionine Synthase 2756A - G Polymorphisms: A Study of 2, 168 Case-Control Pairs from the JANUS Cohort. (external link)
• Guren, Marianne Grønlie; Schneede, Jørn; Tveit, Kjell Magne et al. (2004). Biochemical signs of impaired cobalamin status during and after radiotherapy for rectal cancer. (external link)
• Bleie, Øyvind; Refsum, Helga; Ueland, Per Magne et al. (2004). Changes in basal and postmethionine load concentrations of total homocysteine and cystathionine after B vitamin intervention. (external link)
• Holm, Pål Ivar; Bleie, Øyvind; Ueland, Per Magne et al. (2004). Betaine as a determinant of postmethionine load total plasma homocysteine before and after B-vitamin supplementation. (external link)
• Hustad, Simon Steinar; Nedrebø, Bjørn Gunnar; Ueland, Per Magne et al. (2004). Phenotypic expression of the methylenetetrahydrofolate reductase 677C->T polymorphism and flavine cofactor availability in thyroid dysfunction. (external link)
• Refsum, Helga; Fredriksen, A; Meyer, K et al. (2004). Birth prevalence of homocystinuria. (external link)
• Refsum, Helga; Grindflek, Anne W.; Ueland, Per Magne et al. (2004). Screening for serum total homocysteine in newborn children. (external link)
• Clarke, Robert; Grimley Evans, John; Schneede, Jørn et al. (2004). Vitamin B12 and folate deficiency in later life. (external link)
• Bjørke Monsen, Anne-Lise; Vollset, Stein Emil; Refsum, Helga et al. (2004). Hematological parameters and cobalamin status in infants born to smoking mothers. (external link)
• Nurk, Eha; Tell, Grethe S; Refsum, Helga et al. (2004). Associations between maternal methylenetetrahydrofolate reductase polymorhpisms and adverse outcomes of pregnancy: The Hordaland Homocysteine Study. (external link)
• Nurk, Eha; Tell, Grethe S; Vollset, Stein Emil et al. (2004). Changes in lifestyle and plasma total homocysteine. The Hordaland Homocysteine Study. (external link)
• Ulvik, Arve; Vollset, Stein Emil; Hansen, Svein et al. (2004). Colorectal cancer and the methylenetetrahydrofolate 677C->T and methionine synthase 2756A->G polymorphism. A study of 2168 case-control pairs from the Janus cohort. (external link)
• Nurk, E; Tell, Grethe S; Refsum, Helga et al. (2004). Associations between maternal methylenetetrahydrofolate reductase polymorphisms and adverse outcomes of pregnancy: The Hordaland Homocysteine Study. (external link)
• Nedrebø, Bjørn Gunnar; Hustad, Steinar; Schneede, Jørn et al. (2003). Homocysteine and its relations to B-vitamins and smoking in graves' disease before and after treatment. (external link)
• Meleady, R; Ueland, PM; Blom, H et al. (2002). Thermolabile methylenetetrahydrofolate reductase, homocysteine, and cardiovascular disease risk: the European Concerted Action Project. (external link)
• Tell, Grethe; Nurk, Eha; Vollset, Stein Emil et al. (2001). Plasma total homocystein and hospitalizations for cardiovascular disease: The Hordaland Homocysteine Study. (external link)
• Vollset, Stein Emil; Refsum, Helge; Irgens, Lorentz M. et al. (2000). Plasma total homocysteine, pregnancy complications, and adverse pregnancy outcomes: the Hordaland Homocysteine Study. (external link)
• Hustad, S; Ueland, PM; Vollset, Stein Emil et al. (2000). Riboflavin as a determinant og plasma total homocysteine: effect modification by the methylenetetrahydrofolate reductase C677T polymorphism. (external link)
• Louwman, Marieke WJ; van Dusseldorp, Marijke; van de Vijver, Fons JR et al. (2000). Signs of impaired cognitive function in adolescents with marginal cobalamin status. (external link)
• Hustad, Simon Steinar; Ueland, PM; Vollset, Stein Emil et al. (2000). Riboflavin as a determinant og plasma total homocysteine: effect modification by the methylenetetrahydrofolate reductase C677T polymorphism. (external link)
• Ueland, PM; Refsum, H; Beresford, SA et al. (2000). The controversy over homocysteine and cardiovascular risk. (external link)
• Vollset, Stein Emil; Refsum, H; Irgens, Lorentz et al. (2000). Plasma total homocysteine, pregnancy complications, and adverse pregnancy outcomes: the Hordaland Homocysteine study. (external link)
• Riedel, Bettina; Fiskerstrand, Torunn; Refsum, Helga et al. (1999). Co-ordinate variations in methylmalonyl-CoA mutase and methionine synthase. and the cobalamin cofactors in human glioma cellse during nitrous oxide exposure and the subsequent recovery phase. (external link)
• Holleland, G; Schneede, Jørn; Ueland, Per Magne et al. (1999). Cobalamin deficiency in general practice. Assessment of the diagnostic utility and cost-benefit analysis of methylmalonic acid determination in relation to current diagnostic strategies. (external link)
• Nygard, O; Vollset, Stein Emil; Refsum, Helga et al. (1999). Total homocysteine and cardiovascular disease. (external link)
• El-Khairy, L; Ueland, Per Magne; Nygard, O et al. (1999). Lifestyle and cardiovascular disease risk factors as determinants of total cysteine in plasma: the Hordaland Homocysteine Study. (external link)
• Anker, Gun Birgitta; Refsum, Helga; Ueland, Per Magne et al. (1999). Influence of aromatase inhibitors on plasma total homocysteine in postmenopausal breast cancer patients. (external link)
• Riedel, Bettina; Fiskerstrand, Torunn; Refsum, Helga et al. (1999). Co-ordinate variations in methylmalonyl-CoA mutase and methionine synthase, and the cobalamin cofactors in human glioma cells during nitrous oxide exposure and the subsequent. (external link)
• Wollesen, F; Brattstrom, L; Refsum, Helga et al. (1999). Plasma total homocysteine and cysteine in relation to glomerular filtration rate in diabetes mellitus. (external link)
• Nygard, O; Vollset, Stein Emil; Refsum, Helga et al. (1999). Total homocysteine and cardiovascular disease. (external link)
• El-Khairy, L; Ueland, Per Magne; Nygard, O et al. (1999). Lifestyle and cardiovascular disease risk factors as determinants of total cysteine in plasma : the Hordaland Homocysteine Study. (external link)
• Holleland, G; Schneede, Jørn; Ueland, Per Magne et al. (1999). Cobalamin deficiency in general practice. Assessment of the diagnostic utility and cost-benefit analysis of methylmalonic acid determination in relation to current diagnostic strategies. (external link)
• Hustad, Simon Steinar; Ueland, Per Magne; Schneede, Jørn (1999). Quantification of riboflavin, flavin mononucleotide, and flavin adenine dinucleotide in human plasma by capillary electrophoresis and laser-induced fluorescence detection. (external link)
• Ren, Jicun; Ulvik, Arve; Refsum, Helga et al. (1999). Applications of Short-Chain Polydimethylacrylamide as Sieving Medium for the Electrophoretic Separation of DNA Fragments and Mutation Analysis in Uncoated Capillaries. (external link)
• Love, RR; Anker, Gun Birgitta; Yang, Y et al. (1999). Serum homocysteine levels in postmenopausal breast cancer patients treated with tamoxifen. (external link)
• Anker, Gun Birgitta; Refsum, Helga; Ueland, Per Magne et al. (1999). Influence of aromatase inhibitors on plasma total homocysteine levels in postmenopausal breast cancer patients. (external link)
• Love, RR; Anker, Gun Birgitta; Yang, Y et al. (1999). Serum homocysteine levels in postmenopausal breast cancer patients treated with tamoxifen. (external link)
• Harksen, A; Ueland, Per Magne; Refsum, Helga et al. (1999). Four common mutations of the cystathionine beta-synthase gene detected by multiplex PCR and matrix-assisted laser desorption/ionization time-of-flight mass. (external link)
• Whincup, PH; Refsum, Helga; Perry, IJ et al. (1999). Serum total homocysteine and coronary heart disease: prospective study in middle aged men. (external link)
• Bleie, Øyvind; Nygård, Ottar; Nordrehaug, Jan Erik et al. (1999). Apolipoprotein A1 and risk for coronary artery disease. (external link)
• Ren, Jicun; Ueland, PM (1999). Temperature and pH effects on single-strand conformation polymorphism analysis by capillary electrophoresis. (external link)
• van Dusseldorp, M; Schneede, Jørn; Refsum, Helga et al. (1999). Risk of persistent cobalamin deficiency in adolescents fed a macrobiotic diet in early life. (external link)
• Geisler, Jürgen; Geisler, Stephanie; Lønning, Per Eystein et al. (1998). Changes in folate status as determined by reduction in total plasma homocysteine levels during leucovorin modulation of 5-fluorouracil therapy in cancer patients. (external link)
• Guttormsen, Anne Berit; Ueland, Per Magne; Lønning, Per Eystein et al. (1998). Kinetics of total plasma homocysteine during basal conditions. (external link)
• Guttormsen, Anne Berit; Solheim, E; Ueland, Per Magne et al. (1998). Quantitation of total homocysteine, total cysteine and cystathionine in human plasma and serum by gas chromatography-mass spectometry (GC-MS). (external link)
• Nedrebø, B.G.; Ericsson, U.-B.; Nygård, Ottar et al. (1998). Plasma total homocysteine levels in hyperthyroid and hypothyroid patients. (external link)
• Nedrebø, B.G.; Ericsson, U.-B.; Nygård, Ottar et al. (1998). Plasma total homocysteine levels in hyperthyroid and hypothyroid patients. (external link)
• Nedrebø, B.G.; Ericsson, U.-B.; Nygård, Ottar et al. (1998). Plasma total homocysteine levels in hyperthyroid and hypothyroid patients. (external link)
• Nedrebø, B.G.; Ericsson, U.-B.; Nygård, Ottar et al. (1998). Plasma total homocysteine levels in hyperthyroid and hypothyroid patients. (external link)
• Refsum, Helga; Guttormsen, Anne Berit; Fiskerstrand, Torunn et al. (1998). Hyperhomocysteinemia in terms of steady-state kinetics. (external link)
• Guttormsen, Anne Berit; Ueland, Per Magne; Lønning, Per Eystein et al. (1998). Kinetics of plasma total homocysteine in patients receiving high- dose methotrexate therapy. (external link)
• Clarke, R.; Smith, A. D.; Jobst, K. A. et al. (1998). Folate, vitamin B12, and serum total homocysteine levels in confirmed Alzheimer disease. (external link)
• Tonstad, S.; Refsum, Helga; Ose, L. et al. (1998). The C677T mutation in the methylenetetrahydrofolate reductase gene predisposes to hyperhomocysteinemia in children with familial hypercholesterolemia treated with cholestyramine. (external link)
• Nygård, Ottar; Refsum, Helga; Ueland, Per Magne et al. (1998). Major lifestyle determinants of plasma total homocysteine distribution: the Hordaland Homocysteine Study [see comments]. (external link)
• Guttormsen, Anne Berit; Ueland, Per Magne; Lønning, Per Eystein et al. (1998). Kinetics of plasma total homocysteine in patients receiving high-dose methotrexate therapy. (external link)
• Ren, Jicun; Ulvik, Arve; Refsum, Helga et al. (1998). Chemical mismatch cleavage combined with capillary electrophoresis: detection of mutations exon 8 of the cystathionine beta-synthase gene. (external link)
• Geisler, Jürgen; Geisler, Stephanie; Lønning, Per Eystein et al. (1998). Changes in folate status as determined by reduction in total plasma homocysteine levels during leucovorin modulation of 5-fluorouracil therapy in cancer patients. (external link)
• Clarke, R.; Woodhouse, P.; Ulvik, Arve et al. (1998). Variability and determinants of total homocysteine concentrations in plasma in an elderly population. (external link)
• Robinson, K.; Arheart, K.; Refsum, Helga et al. (1998). Low circulating folate and vitamin B6 concentrations: risk factors for stroke, peripheral vascular disease, and coronary artery disease. European C Group [see comments]. (external link)
• Fiskerstrand, T.; Riedel, Bettina; Ueland, Per Magne et al. (1998). Disruption of a regulatory system involving cobalamin distribution and function in a methionine-dependent human glioma cell line. (external link)
• Fiskerstrand, T.; Reidel, B.; Ueland, Per Magne et al. (1998). Disruption of a Regulatory system Involving Cobalamin distribution and Function in a Methionine-dependent Human glioma Cell Line. (external link)
• Nygård, Ottar; Refsum, Helga; Ueland, Per Magne et al. (1998). Major lifestyle determinants of plasma total homocysteine distribution: The Hordaland Homocysteine Study. (external link)
• Refsum, Helga; Ueland, Per Magne; Nygård, Ottar et al. (1998). Homocysteine and cardiovascular disease. (external link)
• Refsum, Helga; Ueland, Per Magne; Nygård, Ottar et al. (1998). Homocysteine and cardiovascular disease. (external link)
• Refsum, Helga; Guttormsen, Anne Berit; Fiskerstrand, Torunn et al. (1998). Hyperhomocysteinemia in terms of steady-state kinetics. (external link)
• Ulvik, Arve; Ren, Jicun; Refsum, Helga et al. (1998). Simultaneous determination of methylenetetrahydrofolate reductase C677T and factor V G1691A genotypes by mutagenically separated PCR and multiple-injection capillary electrophoresis. (external link)
• Guttormsen, Anne Berit; Ueland, Per Magne; Svarstad, E et al. (1997). Kinetic basis of hyperhomocysteinemia in patients with chronic renal failure. (external link)
• Ulvik, Arve; Refsum, Helga; Kluijtmans, L.A.J. et al. (1997). C677T mutation of methylenetetrahydrofolate reductase gene determined in blood or plasma by multiple injection capillary electrophoresis and laser-induced fluorescence detection. (external link)
• Verhoef, P.; Kok, F.J.; Kluijtmans, L.J. et al. (1997). The 677C-T mutation in the methylenetetrahydrofolate reductase gene: assosiations with plasma total homocysteine levels and risk of coronary atherosclerotic disease. (external link)
• Ren, Jicun; Ulvik, Arve; Ueland, Per Magne et al. (1997). Analysis of single-strand conformation polymorphism by capillary electrophoresis with laser-induced flourescence detection using short-chain polyacrylamide as sieving medium. (external link)
• Nygård, Ottar; Refsum, Helga; Ueland, Per Magne et al. (1997). Homocystein og livsstil. Resultater fra Homocysteinundersøkelsen i Hordaland 1992-1993. (external link)
• Tonstad, S.; Fiskerstrand, Torunn; Ueland, Per Magne (1997). Association between plasma total homocysteine and parental history of cardiovascular disease in children with familial hypercholesterolemia. (external link)
• Refsum, Helga; Fiskerstrand, Torunn; Guttormsen, Anne Berit et al. (1997). Assessment of homocysteine status. (external link)
• Fiskerstrand, Torunn; Ueland, Per Magne; Refsum, Helga (1997). Folate depletion induced by methotrexate affects methionine synthase activity and its susceptibility to inactivation by nitrous oxide. (external link)
• Verhoef, P.; Kok, F.J.; Kruyssen, D.A.C.M. et al. (1997). Plasma total homocysteine, B-vitamins and risk of coronary atherosclerosis. (external link)
• Fiskerstrand, Torunn; Ueland, Per Magne; Refsum, Helga (1997). Response of the methionine synthase system during short-term culture with homocysteine and nitrous oxide and its relation to methionine dependence. (external link)
• Nygård, Ottar; Refsum, Helga; Ueland, Per Magne et al. (1997). Coffee consumption and plasma total homocysteine: The Hordaland Homocysteine Study. (external link)
• Bjørke-Monsen, Anne Lise; Ueland, Per Magne; Schneede, Jørn et al. (1997). Elevated plasma total homocysteine and C677T mutation of the methylenetetrahydrofolate reductase gene in patients with spina bifida. (external link)
• Nygård, Ottar; Refsum, Helga; Ueland, Per Magne et al. (1997). Coffee consumption and plasma total homocysteine: The Hordaland Homocysteine Study. (external link)
• Nygård, Ottar; Nordrehaug, Jan Erik; Refsum, Helga et al. (1997). Plasma homocysteine levels and mortality in patients with coronary artery disease. (external link)
• Nygård, Ottar; Nordrehaug, Jan Erik; Refsum, Helga et al. (1997). Plasma homocysteine levels and mortality in patients with coronary artery disease. (external link)
• Bjørke-Monsen, Anne Lise; Ueland, Per Magne; Schneede, Jørn et al. (1997). Elevated plasma total homocysteine and C677T mutation of the methylenetetrahydrofolate reductase gene in patients with spina bifida. (external link)
• Nygård, Ottar; Refsum, Helga; Ueland, Per Magne et al. (1997). Homocystein og livsstil. Resultater fra Homocysteinundersøkelsen i Hordaland 1992-1993. (external link)
• Nygård, Ottar; Refsum, Helga; Ueland, Per Magne et al. (1997). Coffee consumption and plasma total homocysteine: The Hordaland Homocysteine Study. (external link)
• Nygård, Ottar; Nordrehaug, Jan Erik; Refsum, Helga et al. (1997). Plasma homocysteine levels and mortality in patients with coronary artery disease. (external link)
• Aukrust, P.; Berge, Rolf Kristian; Müller, F. et al. (1997). Elevated plasma levels of reduced homocysteine in common variable immunodeficiency - a marker of enhanced oxidative stress. (external link)
• Aukrust, P.; Berge, Rolf Kristian; Müller, F. et al. (1997). Elevated plasma levels of reduced homocysteine in common variable immunodeficiency - a marker of enhanced oxidative stress. (external link)
• Guttormsen, Anne Berit; Ueland, Per Magne; Svarstad, E. et al. (1997). Kinetic basis of hyperhomocysteinemia in patients with chronic renal failure. (external link)
• Kim, CE; Gallagher, PM; Guttormsen, Anne Berit et al. (1997). Functional modeling of vitamin responsiveness in yeast: a common pyridoxine-responsive cystathionine B-synthase mutation in homocystinuria. (external link)
• Bjørke-Monsen, Anne Lise; Ueland, Per Magne; Schneede, Jørn et al. (1997). Elevated plasma total homocysteine and C677T mutation of the methylenetetrahydrofolate reductase gene in patients with spina bifida. (external link)
• Lien, Ernst Asbjørn; Anker, Gun Birgitta; Lønning, Per Eystein et al. (1997). Effects of hormones on the plasma levels of the atherogenic amino acid homocysteine. (external link)
• Aukrust, P.; Berge, R.K.; Müller, F. et al. (1997). Enhanced lipid peroxidation is correlated with elevated plasma levels of reduced homocysteine in patients with common variable immunodeficiency (CVI). (external link)
• Graham, I.M.; Daly, L.E.; Refsum, Helga et al. (1997). Plasma homocysteine as a risk factor for vascular disease: The European Concerted Action Project. (external link)
• Kim, C.E.; Gallagher, P.M.; Guttormsen, Anne Berit et al. (1997). Functional modeling of vitamin responsivness in yeast: a commom pyridoxine-responsive cystathionine beta-synthase mutation in homocystinuria. (external link)
• Lien, Ernst Asbjørn; Anker, Gun Birgutta; Lønning, Per Eystein et al. (1997). Effects of hormones on the plasma level of the atherogenic amino acid homocysteine. (external link)
• Kim, C.E.; Guttormsen, A.B.; Refsum, Helge et al. (1997). Functioinal modeling of vitamin responsiveness in yeast: a common pyridoxine-responsive cysatihione b-synthase mutation i homocyteinuria. (external link)
• Aukrust, Pål; Berge, Rolf Kristian; Muller, Fredrik et al. (1997). Elevated plasma levels of reduced homocysteine in common variable immunodeficiency - a marker of enhanced oxidative stress. (external link)
• Refsum, Helga; Nygård, Ottar; Kvåle, Gunnar et al. (1996). The Hordaland homocysteine study: The opposite tails odds ratios (OTOR) reveal differential effects og gender and intake of vitamin supplements at high and low plasma homocysteine concentrations. (external link)
• Refsum, Helga; Nygård, Ottar; Kvåle, Gunnar et al. (1996). The Hordaland homocysteine study: The opposite tails odds ratios (OTOR) reveal differential effects og gender and intake of vitamin supplements at high and low plasma homocysteine concentrations. (external link)
• Ueland, Per Magne; Mansoor, M.A.; Guttormsen, Anne Berit et al. (1996). Reduced, Oxidized and Protein-Bound Forms of Homocysteine and Other Aminothiols in Plasma Comprise the Redox Thiol Status. A possible Element of the Extracellular Antioxidant Defence System. (external link)
• Guttormsen, Anne Berit; Ueland, Per Magne; Nesthus, I et al. (1996). Determinants and vitamin responsiveness of the intermediate homohypercysteinemia (> 40 _mmol/L). The Hordaland homocysteine study. (external link)
• Guttormsen, Anne Berit; Ueland, Per Magne; Nesthus, Ingerid et al. (1996). Determinants and Vitamin Responsiveness of Intermediate Hyperhomocysteinemia (@z _mmol/liter). The Hordaland Homocysteine study. (external link)
• Guttormsen, Anne Berit; Ueland, Per Magne; Nesthus, I et al. (1996). Determinants and vitamin responsiveness of the intermediate homohypercysteinemia (> 40 _mmol/L). The Hordaland homocysteine study. (external link)
• Guttormsen, Anne Berit; Schneede, J.; Ueland, Per Magne et al. (1996). Kinetics of plasma Homocysteine in subject with hyperhomocysteiemia due to folate or cobalamin deficiency. (external link)
• Muller, Fredrik; Svardal, Asbjørn M.; Aukrust, Pål et al. (1996). Elevated plasma concentration of reduced homocysteine in patients with human immunodeficiency virus infection. (external link)
• Ueland, Per Magne; Mansoor, AM; Guttormsen, A.B. et al. (1996). Reduced, oxidized and protein-bound forms of homocysteine and other aminothiols in plasma comprise the redox thiol status - a possible element of the extracellular antioxidant defense system. (external link)
• Tonstad, Serena; Refsum, Helge; Sivertsen, M. S. et al. (1996). Relation of homocysteine and lipid levels in children to premature cardiovascular death in male relatives. (external link)
• Anker, Gun Birgitta; Lønning, Per Eystein; Ueland, Per Magne et al. (1995). Plasma levels of the atherogenic amino acid homocysteine in post-menopausal women with breast cancer treated with tamoxifen. (external link)
• Lien, Ernst Asbjørn; Anker, Gun Birgitta; Ueland, Per Magne (1995). Pharmacokinetics of tamoxifen in pre- and post-menopausal women with breast cancer. (external link)
• Lien, Ernst Asbjørn; Anker, Gun Birgitta; Lønning, Per Eystein et al. (1995). Determination of droloxifene and two metabolites in serum by high-pressure liquid chromatography. (external link)
• Schneede, Jørn; Ueland, Per Magne (1995). Application of capillary electrophoresis with laser-induced fluorescence detection for routine analysis of methylmalonic acid in human serum. (external link)
• Lien, Ernst Asbjørn; Anker, Gun Birgitta; Lønning, Per Eystein et al. (1995). Determination of droloxifene and two metabolites in serum by high pressure liquid chromatography. (external link)
• Anker, Gun Birgitta; Lønning, Per Eystein; Ueland, Per Magne et al. (1995). Plasma levels of the atherogenic amino acid homocysteine in post-menopausal women with breast cancer treated with tamoxifen. (external link)
• Riedel, Bettina; Ueland, Per Magne; Svardal, Asbjørn M. (1995). Fully automated assay for cobalamin-dependent methylmalonyl CoA mutase. (external link)
• Aukrust, Pål; Svardal, Asbjørn M.; Müller, F et al. (1995). Increased levels of oxidized glutathione in CD4+ lymphocytes associated with disturbed intracellular redox balance in human immunodeficiency virus type 1 infection. (external link)
• Guttormsen, Anne Berit; Schneede, Jørn; Fiskerstrand, Torunn et al. (1994). Plasma concentrations of homocysteine and other aminothiol compounds are related to food intake in healthy human subjects. (external link)
• Guttormsen, Anne Berit; Refsum, Helga; Ueland, Per Magne (1994). The interaction between nitrous oxide and cobalamin. Biochemical effects and clinical consequences. (external link)
• Schneede, Jørn; Dagnelie, P. C.; van Staveren, W. A. et al. (1994). Methylmalonic acid and homocysteine in plasma as indicators of functional cobalamin deficiency in infants on macrobiotic diets. (external link)
• Schneede, Jørn; Dagnelie, P. C.; van Staveren, W. A. et al. (1994). Methylmalonic acid and homocysteine in plasma as indicators of functional cobalamin deficiency in infants on macrobiotic diets. (external link)
• Christensen, B.; Guttormsen, Anne Berit; Schneede, Jørn et al. (1994). Preoperative Methionine loading enhances restoration of the cobalamin-dependent enzyme methionine synthase after nitrous oxide anesthesia. (external link)
• Andreassen, Ø.; Lie, I.; Wasberg, C. E. et al. (1994). The spectral viscosity method applied to simulation of waves in stratified atmosphere. (external link)
• Schneede, Jørn; Dagnelie, P. C.; Refsum, Helga et al. (1994). Nutritional cobalamin deficiency in infants. (external link)
• Schneede, Jørn; Mortensen, J. H.; Kvalheim, G. et al. (1994). Zone electrophoresis with laser-induced fluorescense detection for analysis of methylmalonic acid and other short-chain dicarboxylic acids derivatized with 1-Pyrenyldiazomethane. (external link)
• Fiskerstrand, T.; Christensen, B.; Tysnes, Ole-Bjørn et al. (1994). Development of methionine dependence in a human glioma cell line. Relation to homocysteine remethylation and cobalamin status. (external link)
• Schneede, Jørn; Dagnelie, P. C.; van Staveren, W. A. et al. (1994). Methylmalonic acid and homocysteine in plasma as indicators of functional cobalamin deficiency in infants on macrobiotic diets. (external link)
• Christensen, B.; Guttormsen, Anne Berit; Schneede, J. et al. (1994). Preoperative Methionine loading enhances restoration of the cobalamin-dependent enzyme methionine synthase after nitrous oxide anesthesia. (external link)
• Andreassen, Ø.; Lie, I.; Wasberg, C. E. et al. (1994). The spectral viscosity method applied to simulation of waves in stratified atmosphere. (external link)
• Guttormsen, Anne Berit; Mansoor, A.; Fiskerstrand, T. et al. (1993). Kinetics of plasma homocysteine in healthy subjects after peroral homocysteine loading. (external link)
• Schneede, Jørn; Ueland, Per Magne (1993). Automated assay for methylmalonic acid in serum and urine based on derivation with 1-pyrenyldiazomethane, liquid chromatography and fluorescence detection. (external link)
• Mansoor, A.; Guttormsen, Anne Berit; Fiskerstrand, T. et al. (1993). Redox status and Protein-binding of aminothiols during the transient hyperhomocysteinemia that follows homocysteine administration. (external link)
• Mansoor, A. M.; Svardal, Asbjørn; Schneede, Jørn et al. (1992). Dynamic relation between reduced, oxidized and protein-bound homocysteine and other thiols components in plasma during methionine loading in healthy men. (external link)
• Schneede, Jørn; Ueland, Per Magne (1992). The formation in an aqueous matrix, properties, and chromatographic behaviour of 1-pyrenyldiazomethane derivatives of methylmalonic acid and other short chain dicarboxylic acids. (external link)
• Ermens, A. A. M.; Refsum, Helga; Rupreht, J. et al. (1991). Monitoring cobalamin inactivation during nitrous oxide anesthesia by determination of homocysteine and folate in plasma and urine. (external link)
• Schneede, Jørn; Refsum, Helga; Slørdal, L. et al. (1991). Bestemmelse av homocystein og metylmalonsyre ved kobalaminmangel. (external link)
• Ermens, A. A. M.; Refsum, Helga; Rupreht, J. et al. (1991). Monitoring cobalamin inactivation during nitrous oxide anesthesia by determination of homocysteine and folate in plasma and urine. (external link)
• Lien, Ernst Asbjørn; Anker, Gun Birgitta; Lønning, Per Eystein et al. (1990). Decreased serum concentrations of tamoxifen and its metabolites induced by aminogluethimide. (external link)
• Djurhuus, Rune; Svardal, Asbjørn M.; Ueland, Per Magne (1990). Cysteamine increases homocysteine export and glutathione content by independent mechanisms in C3H/10T1/2 cells. (external link)
• Smaaland, Rune; Svardal, Asbjørn M.; Lote, K et al. (1990). Glutathione content in human bone marrow and circadian stage relation to DNA synthesis. (external link)
• Djurhuus, Rune; Svardal, Asbjørn M.; Ueland, Per Magne (1990). Growth state dependent increase of glutathione by homocysteine and other thiols, and homocysteine formation in glutathione depleted mouse cell lines. (external link)
• Svardal, Asbjørn M.; Mansoor, Mohammad Azam; Ueland, Per Magne (1990). Determination of reduced, oxidized, and protein-bound glutathione in human plasma with precolumn derivatization with monobromobimane and liquid chromatography. (external link)
• Aarsaether, Niels; Aarsland, A.; Kryvi, H et al. (1989). Changes in peroxisomes and mitochondria in liver of ethionine exposed rats: a biochemical and morphological investigation. (external link)
• Djurhuus, Rune; Svardal, Asbjørn M.; Ueland, Per Magne (1989). Differential effects on growth, homocysteine, and related compounds of two inhibitors of S-adenosylhomocysteine catabolism, 3-deazaadenosine, and 3-deazaaristeromycin, in C3H/10T1/2 cells. (external link)
• Refsum, Helga; Ueland, Per Magne; Svardal, Asbjørn M. (1989). Fully automated fluorescence assay for determining total homocysteine in plasma. (external link)
• Svardal, Asbjørn M.; Ueland, Per Magne; Berge, Rolf Kristian et al. (1988). Effect of methotrexate on homocysteine and other sulfur compounds in tissues of rats fed a normal or a defined, choline-deficient diet. (external link)
• Djurhuus, Rune; Svardal, Asbjørn M.; Ueland, Per Magne et al. (1988). Growth support and toxicity of homocysteine and its effects on methionine metabolism in non-transformed and chemically transformed C3H/10T1/2 cells. (external link)
• Svardal, Asbjørn M.; Ueland, Per Magne; Aarsaether, Niels et al. (1988). Differential metabolic response of rat liver, kidney and spleen to ethionine exposure. S-adenosylamino acids, homocysteine and reduced glutathione in tissues. (external link)
• Aarsaether, Niels; Berge, Rolf Kristian; Aarsland, A. et al. (1988). Effect of methotrexate on long-chain fatty acid metabolism in liver of rats fed a standard or a defined, choline-deficient diet. (external link)
• Berge, Rolf Kristian; Aarsaether, Niels; Aarsland, A. et al. (1988). Effect of choline-deficiency and methotrexate administration on peroxisomal beta-oxidation, palmitoyl-CoA hydrolase activity and the glutathione content in rat liver. (external link)
• Aarsaether, Niels; Berge, Rolf Kristian; Husøy, Astrid Mette et al. (1988). Ethionine-induced alterations of enzymes involved in lipid metabolism and their possible relationship to induction of fatty liver. (external link)
• Svardal, Asbjørn M.; Ueland, Per Magne (1987). Compartmentalization of S-adenosylhomocysteine in rat liver. Determination and characterization of the in vivo protein binding. (external link)
• Svardal, Asbjørn M.; Djurhuus, Rune; Refsum, Helga et al. (1986). Disposition of homocysteine in rat hepatocytes and in nontransformed and malignant mouse embryo fibroblasts following exposure to inhibitors of S-adenosylhomocysteine catabolism. (external link)
• Svardal, Asbjørn M.; Djurhuus, Rune; Ueland, Per Magne (1986). Disposition of homocysteine and S-3-deazaadenosylhomocysteine in cells exposed to 3-deazaadenosine. (external link)
• Svardal, Asbjørn M.; Refsum, Helga; Ueland, Per Magne (1986). Determination of in vivo protein binding of homocysteine and its relation to free homocysteine in the liver and other tissues of the rat. (external link)

Abstract

• Sandvig, Heidi Vihovde; Edwin, Trine Holt; Aam, Stina et al. (2024). Abstract ID: 0066 Trajectories of post-stroke cognitive function related to systemic inflammatory biomarkers and metabolites: The Nor-COAST study. (external link)
• Dierkes, Jutta; Degerud, Eirik Magnus Meek; Nygård, Ottar et al. (2013). DETERMINANTS OF VITAMIN D STATUS IN PATIENTS WITH STABLE ANGINA. (external link)
• Svingen, Gard Frodal; Pedersen, E R; Ueland, Per Magne et al. (2012). Plasma dimethylglycine is an independent risk factor of acute myocardial infarction in patients with stable angina pectoris. (external link)
• Schartum-Hansen, Hall; Pedersen, Eva Kristine Ringdal; Svingen, Gard Frodal et al. (2012). Relationship between plasma choline and betaine levels and risk of acute myocardial infarction in patients with stable coronary heart disease. (external link)
• Monsen, Anne Lise Bjørke; Torsvik, Ingrid Kristin; Markestad, Trond et al. (2011). Cobalamin supplementation improves motor development and gastrointestinal reflux in moderately deficient infants. (external link)
• Torsvik, Ingrid Kristin; Markestad, Trond; Ueland, Per Magne et al. (2011). Hematological parameters and iron status in infants with a birthweight below 3000 g. (external link)
• Håberg, Siri Eldevik; London, SJ; Ueland, Per Magne et al. (2010). Maternal Folate Levels in Pregnancy and Asthma at 3 Years of Age. (external link)
• Manger, Mari Skar; Bhan, Maharaj Kishan; Strand, Tor A et al. (2009). DOES VITAMIN B12 OR FOLATE STATUS MODIFY THE IMPACT OF ZINC SUPPLEMENTATION ON THE INCIDENCE OF DIARRHEA?. (external link)
• Strand, Tor A; Sunita, T; Bhandari, Nita et al. (2009). VITAMIN B12, BUT NOT FOLATE STATUS PREDICTS MENTAL DEVELOPMENT SCORES IN NORTH INDIAN TODDLERS. (external link)
• Løland, Kjetil Halvorsen; Blix, Are Jordahl; Bleie, Øyvind et al. (2008). The effect of homocysteine-lowering B-vitamin intervention on angiographic coronary artery disease may be adverse - A WENBIT sub-study. (external link)
• Pedersen, Eva Kristine Ringdal; Ebbing, Marta; Midttun, Øivind et al. (2008). B6 vitamers and long term mortality in patients with stable angina. (external link)
• Pedersen, Eva Kristine Ringdal; Ueland, Per Magne; Vollset, Stein Emil et al. (2008). Homocysteine and markers of immune activation as predictors of mortality in stable angina patients. (external link)
• Blix, Are Jordahl; Løland, Kjetil Halvorsen; Loland, KH et al. (2008). The ratio of apolipoproteins ApoB/ApoA1 as a predictor of angiographic progression of atherosclerosis in patients with coronary artery disease. (external link)
• Svingen, Gard Frodahl; Ueland, Per Magne; Bleie, Øyvind et al. (2008). Asymmetric and symmetric dimethylarginine are weaker predictors than homocysteine of long-term mortality in both men and women with stable angina. (external link)
• Monsen, Anne Lise Bjørke; Torsvik, Ingrid Kristin; Sætran, Hege et al. (2008). Effect of cobalamin supplementation in infants: A randomized, controlled trial. (external link)
• Bleie, Øyvind; Bleie, O; Strand, Elin et al. (2008). Homocysteine lowering B-vitamin therapy improves coronary flow in patients with stable coronary artery disease, a WENBIT substudy. (external link)
• Bleie, Øyvind; Bleie, O; Strand, Elin et al. (2008). Homocysteine lowering B-vitamin therapy and in-stent restenosis. A WENBIT sub study. (external link)
• Price, Ruth K.; Keaveney, Edel M.; Hamill, Laura L. et al. (2007). Plasma uptake of methyl donors from wheat fractions by human subjects. (external link)
• Boyles, Abee L.; Wilcox, Allen J.; Meyer, Klaus et al. (2007). Folate metabolism genes and the risk of orofacial clefts. (external link)
• Konstantinova, Svetlana; Tell, Grethe S; Vollset, Stein Emil et al. (2007). Predictors of plasma choline and betaine: The Hordaland Homocysteine Study. (external link)
• Bleie, Øyvind; Strand, Elin; Ueland, Per Magne et al. (2005). Effect of homocysteine lowering therapy on coronary endothelial function in patients with stable coronary artery disease. A substudy of the Western Norway B-vitamin Intervention Trial (WENBIT). (external link)
• Bleie, Øyvind; Strand, Elin; Refsum, Helga et al. (2005). The Effect of Homocysteine Lowering Therapy on Inflammatory Markers Neopterin and CRP in Patients with Stable Coronary Artery Disease. A substudy of the Western Norway B-vitamin Intervention Trial (WENBIT). (external link)
• Bleie, Øyvind; Strand, Elin; Ueland, Per Magne et al. (2005). Effect of Homocysteine Lowering Therapy on Coronary Endothelial Function in Patients with Stable Coronary Artery Disease. (external link)

Academic literature review

• Monsen, Anne-Lise Bjørke; Ueland, Per Magne (2023). Vitamin B<inf>6</inf>: a scoping review for Nordic Nutrition Recommendations 2023. (external link)
• Monsen, Anne-Lise Bjørke; Ueland, Per Magne (2023). Folate – a scoping review for Nordic Nutrition Recommendations 2023. (external link)
• Ueland, Per Magne; Mccann, Adrian; Midttun, Øivind et al. (2017). Inflammation, vitamin B6 and related pathways. (external link)
• Bailey, Lynn B.; Stover, Patrick J.; McNulty, Helene et al. (2015). Biomarkers of nutrition for development-Folate review. (external link)
• Ueland, Per Magne; Ulvik, Arve; Rios-Avila, Luisa et al. (2015). Direct and functional biomarkers of vitamin B6 status. (external link)
• Chuang, Shu-Chun; Rota, Matteo; Gunter, Mark J. et al. (2013). Quantifying the dose-response relationship between circulating folate concentrations and colorectal cancer in cohort studies: a meta-analysis based on a flexible meta-regression model. (external link)
• Park, Jin Young; Vollset, Stein Emil; Melse-Boonstra, Alida et al. (2013). Dietary intake and biological measurement of folate: A qualitative review of validation studies. (external link)
• Paul, Ligi; Ueland, Per Magne; Selhub, Jacob (2013). Mechanistic perspective on the relationship between pyridoxal 5'-phosphate and inflammation. (external link)
• Meyer, Klaus; Ueland, Per Magne (2011). Use of matrix-assisted laser desorption/ionization time-of-flight mass spectrometry for multiplex genotyping. (external link)
• Collin, Simon M.; Metcalfe, Chris; Refsum, Helga et al. (2010). Circulating folate, vitamin B-12, homocysteine, vitamin B-12 transport proteins, and risk of prostate cancer: a case-control study, systematic review, and meta-analysis. (external link)
• Ueland, Per Magne; Schneede, Jørn (2008). Måling av metylmalonsyre, homocystein og metionin ved kobalamin- og folatmangel og homocystinuri. (external link)
• Ueland, Per Magne; Midttun, Øivind; Windelberg, Amrei et al. (2007). Review: Quantitative profiling of folate and one-carbon metabolism in large-scale epidemiological studies by mass spectrometry. (external link)
• Refsum, Helga; Smith, A. David; Ueland, Per Magne et al. (2004). Facts and recommendations about total homocysteine determinations: An expert opinion. (external link)

Poster

• Nilsen, Mona Synnøve; Åsen Jersin, Regine; Madsen, Andre et al. (2019). Adipocyte amino acid metabolism in obesity-related metabolic diseases . (external link)
• Ulven, Stine Marie; Christensen, Jacob J.; Nygård, Ottar et al. (2018). Using metabolic profiling to explore molecular effects of replacing saturated fat with polyunsaturated fat- a randomized controlled dietary intervention study. (external link)
• Zuo, Hui; Ueland, Per Magne; Nygård, Ottar et al. (2017). Plasma choline and betaine and risk of incident atrial fibrillation: the Hordaland Health Study. (external link)
• Zuo, Hui; Tell, Grethe S.; Ueland, Per Magne et al. (2017). Vitamin B6-related biomarkers and long-term stroke risk: the Hordaland Health Study. (external link)
• Pedersen, Eva Ringdal; Tuseth, Nora; Eussen, Simone et al. (2014). Associations of plasma kynurenines with risk of acute myocardial infarction in patients with stable angina pectoris. (external link)
• Zuo, Hui; Ueland, Per Magne; Eussen, Simone et al. (2014). Markers of vitamin B6 status and metabolism as predictors of incident cancer: A community-based cohort study. (external link)
• Rebnord, Eirik Wilberg; Pedersen, Eva Ringdal; Strand, Elin et al. (2014). GLYCOSYLATED HAEMOGLOBIN AND LONG-TERM PROGNOSIS IN PATIENTS WITH SUSPECTED STABLE ANGINA PECTORIS WITHOUT DIABETES. (external link)
• Strand, Elin; Bjørndal, Bodil; Pedersen, Eva Kristine Ringdal et al. (2013). The PPARɣ Agonist Pioglitazone and Plasma Levels of Choline or Related Methylamines in Women with Polycystic Ovary Syndrome. (external link)
• Svingen, Gard Frodahl Tveitevåg; Ueland, Per Magne; Schartum-Hansen, Hall et al. (2013). Plasma dimethylglycine is associated with all-cause mortality in patients with coronary heart disease. (external link)
• Midttun, Øivind; Pedersen, Eva Kristine Ringdal; Ulvik, Arve et al. (2010). Inflammation suggest plasma concentration of 3-hydroxykynurenine as a metabolic marker of vitamin B6 status. (external link)
• Strand, Tor A; Taneja, Sunita; Bhandari, Nita et al. (2009). Vitamin B12, but not folate status predicts mental development scores in north indian toddlers. (external link)
• Ebbing, Marta; Bønaa, Kaare Harald; Nordrehaug, Jan Erik et al. (2009). Combined results and long-term follow-up in NORVIT and WENBIT with 6837 coronary artery disease patients: Homocysteine-lowering B-vitamin treatment does not prevent major cardiovascular events. (external link)
• Ebbing, Marta; Bønaa, Kaare Harald; Arnesen, Egil et al. (2009). Kombinerte resultat og langtids oppfølging i NORVIT og WENBIT – to kliniske forsøk blant 6837 pasienter med iskemisk hjertesykdom. (external link)
• Ebbing, Marta; Bønaa, Kaare Harald; Nordrehaug, Jan Erik et al. (2009). Combined results and long-term follow-up in NORVIT and WENBIT with 6837 coronary artery disease patients: Homocysteine-lowering B-vitamin treatment does not prevent major cardiovascular events. European Heart Journal 2009: 30 (Abstract Supplement), 184. P 1274. (external link)
• Strand, Elin; Bleie, Øyvind; Ueland, Per Magne et al. (2007). Changes in Atherosclerotic Plaque Volume Measured using Intracoronary Ultrasound during B-vitamin Intervention. (external link)
• Meyer, Klaus; Fredriksen, Åse; Ueland, Per Magne (2007). High-level multiplex genotyping of single nucleotide polymorphisms involved in one-carbon metabolism by Matrix-assisted Laser Desorption/Ionization Mass Spectrometry. (external link)
• Pedersen, Eva Kristine Ringdal; Ebbing, Marta; Midttun, Øivind et al. (2007). B6 vitamers as predictors of mortality in patients with stable chest pain. (external link)
• Bleie, Øyvind; Strand, Elin; Ueland, Per Magne et al. (2007). Changes in Atherosclerotic Plaque Volume Measured with Intracoronary Ultrasound during B-vitamin Intervention (a WENBIT substudy). (external link)
• Ebbing, Marta; Bleie, Øyvind; Nordrehaug, Jan Erik et al. (2007). WENBIT - Western Norway B vitamin intervention trial. (external link)
• Ulvik, Arve; Ueland, Per Magne; Vollset, Stein Emil et al. (2007). Non-dietary lifestyle determinants of serum folate (coffee, smoking, alcohol, and body-mass index). (external link)
• Konstantinova, Svetlana; Tell, Grethe S; Vollset, Stein Emil et al. (2007). Components of the metabolic syndrome and other cardiovascular risk factors as predictors of plasma choline and betaine: The Hordaland Homocysteine Study. (external link)
• Meyer, Klaus; Fredriksen, Åse; Ueland, Per Magne et al. (2006). Metabolic profiling of thirteen genetic polymorphisms related to one-carbon metabolism in a population based study including 10,610 subjects. (external link)
• Ulvik, Arve; Fredriksen, Åse; Meyer, Klaus et al. (2005). The MTHFR 1298A->C polymorphism, effects on serum folate and total homocysteine. (external link)
• Bleie, Øyvind; Semb, Anne Grete; Nordrehaug, Jan Erik et al. (2004). Inflammatory Markers CD40L, IL-6, Neopterin and CRP are Not Influenced by Homocysteine Lowering Therapy in Patients with Coronary Artery Disease. (external link)
• Ulvik, Arve; Vollset, Stein Emil; Hansen, Svein et al. (2004). Colorectal cancer and the methylenetetrahydrofolate reductase 677C->T and methionine synthase 2756A->G polymorphisms. A study of 2179 case-control pairs from the Janus cohort. (external link)
• Fredriksen, Åse; Meyer, Klaus; Schneede, Jørn et al. (2004). Multiplex genotyping by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry: prevalence determination of 13 polymorphisms in genes related to the folate and homocysteine metabolism in a Norwegian population. (external link)
• Ulvik, Arve; Vollset, Stein Emil; Hansen, Svein et al. (2004). Serum cysteine, homocysteine and colorectal cancer - a prospective case-control study from the Janus serum collection. (external link)
• Skålevik, Rita; Ulvik, Arve; Svardal, Asbjørn et al. (2004). Determination of folate species and folate-related compounds in serum by liquid chromatography tandem mass spectroscopy. (external link)
• Midttun, Øivind; Hustad, Steinar; Ueland, Per Magne et al. (2003). Determination of All Forms of Vitamins B2 and B6 in Human Plasma by Liquid Chromatography-Tandem Mass Spectrometry. (external link)
• Guttormsen, Anne Berit; Svarstad, E; Ueland, Per Magne et al. (1995). Elimination of homocystein from plasma in subjects with endstage renal failure. (external link)

Doctoral dissertation

• Lysne, Vegard; Nygård, Ottar; Dierkes, Jutta et al. (2019). Biomarkers of one-carbon metabolism and B-vitamin status. Targeted metabolomics in rats and humans exploring the effects of PPARα- activation and dietary composition. (external link)
• Holm, Pål Ivar; Lien, Ernst Asbjørn; Ueland, Per Magne (2007). Betaine and its relation to homocysteine status and one-carbon metabolism in humans : analytical method and biochemical studies. (external link)
• Riedel, Bettina; Ueland, Per Magne (2007). Assessment of Cobalamin status in experimental and clinical studies by intracellular and extracellular markers of vitamin function. (external link)
• Hustad, Simon Steinar; Ueland, Per Magne; Schneede, Jørn et al. (2005). Assessment of Riboflavin Status in Humans: Method Development and Clinical Studies. (external link)
• Ulvik, Arve; Ueland, Per Magne (2005). Colorectal cancer, one-carbon metabolism and related single-nucleotide polymorphisms. Method development and epidemiological studies. (external link)
• Nurk, Eha; Ueland, Per Magne; Tell, Grethe S (2004). Homocysteine, related factors and disease: the Hordaland Homocysteine Study. (external link)
• Ueland, Per Magne (1979). A cyclic AMP-adenosine binding protein associated with S- adenosylhomocysteinase activity : purification and characteri- zation with special reference to binding properties. (external link)

Academic lecture

• Nilsen, Mona Synnøve; Åsen Jersin, Regine; McCann, Adrian et al. (2019). Circulating 3-hydroxyisobutyrate (3-HIB) as a clinical marker of prediabetes and T2D in patients with obesity. (external link)
• Ulven, Stine Marie; Christensen, Jacob J.; Nygård, Ottar et al. (2018). Using metabolic profiling to explore molecular effects of replacing saturated fat with polyunsaturated fat- a randomized controlled dietary intervention study. (external link)
• Nilsen, Mona Synnøve; Åsen Jersin, Regine; Madsen, Andre et al. (2018). Amino acid metabolism in adipocytes. (external link)
• Parr, Christine Louise; Page, Christian; Holvik, Kristin et al. (2017). Pregnancy fatty acid status and newborn DNA methylation: the MoBa pregnancy cohort. (external link)
• Mjelva, Øistein; Svingen, Gard Frodahl Tveitevåg; Pedersen, Eva Ringdal et al. (2015). Fibrinogen And Neopterin Predict Future Myocardial Infarction Events In Patients With Stable Coronary Heart Disease. Circulation. 2015;132:A19224.. (external link)
• Stiksrud, Birgitte; Lorvik, Kristina Berg; Kvale, Dag et al. (2015). Plasma Interferon-inducible Protein 10 Levels, T-cell Activation and Regulation are Increased in HIV Immunological Non-Responders. (external link)
• Clarke, Robert; Halsey, J; Lewington, S et al. (2010). Effects of lowering homocysteine levels with B vitamins on cardiovascular disease, cancer, and cause-specific mortality: Meta-analysis of 8 randomized trials involving 37 485 individuals. (external link)
• Hannisdal, Rita; Svardal, Asbjørn; Ueland, Per Magne (2007). A novel serum folate assay measuring intact and degraded folate species as para-aminobenzoylglutamate equivalents in fresh and stored samples. (external link)
• Meyer, Klaus; Fredriksen, Åse; Ueland, Per Magne (2007). High-level multiplex genotyping of polymorphisms involved in one-carbon metabolism by MALDI-TOF MS. (external link)
• Konstantinova, Svetlana; Tell, Grethe S; Vollset, Stein Emil et al. (2007). Components of the metabolic syndrome and other cardiovascular risk factors as predictors of plasma choline and betaine. (external link)
• Svingen, Gard; Ueland, Per Magne; Bleie, Øyvind et al. (2007). Asymmetric and symmetric dimethylarginine are weaker predictors than homocysteine of long-term mortality in patients with stable angina. (external link)
• Meyer, Klaus; Fredriksen, Åse; Ueland, Per Magne (2007). High-level multiplex genotyping of single nucleotide polymorphisms involved in one-carbon metabolism by Matrix-assisted Laser Desorption/Ionization Mass Spectrometry. (external link)
• Midttun, Øivind; Hustad, Simon Steinar; Ueland, Per Magne (2007). A high-throughput method for quantification of riboflavin, vitamin B6 forms, related metabolites and inflammation markers in human plasma by HPLC-MS/MS. (external link)
• Pedersen, Eva Kristine Ringdal; Ueland, Per Magne; Vollset, Stein Emil et al. (2007). Total homocysteine, systemic markers of inflammation and long-term mortality in patients with stable angina. (external link)
• Ebbing, Marta; Bleie, Øyvind; Nordrehaug, Jan Erik et al. (2007). WENBIT -Western Norway B-vitamin Intervention Trial: P96, Clinical Chemistry & Laboratory Medicine. 45(5):A18, May 2007. (external link)
• Meyer, Klaus; Fredriksen, Åse; Ueland, Per Magne (2006). High throughput genotyping of single nucleotide polymorphisms by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. (external link)
• Meyer, Klaus; Fredriksen, Åse; Ueland, Per Magne (2005). High Troughput Genotyping of SNP by MALDI-TOF MS. (external link)
• Fredriksen, Åse; Meyer, Klaus; Schneede, Jørn et al. (2005). Effects of polymorphisms in genes related to the folate and homocysteine metabolism in a Norwegian population. (external link)
• Sommerfelt, Halvor; Taneja, Sunita; Strand, Tor A et al. (2005). Effect of daily zinc supplementation for 4 months on plasma concentrations of folate, cobalamin, and other markers of B-vitamin status: A randomized placebo-controlled trial in young north Indian children. (external link)
• Strand, Tor A; Taneja, Sunita; Bhandari, Nita et al. (2005). Folate, but not cobalamin status predicts respiratory morbidity in north Indian children. (external link)
• Fredriksen, Åse; Meyer, Klaus; Ueland, Per Magne (2004). Prevalence determination of 13 polymorphisms in a Norwegian population by MALDI-TOF MS. (external link)
• Midttun, Øivind; Hustad, Steinar; Ueland, Per Magne et al. (2003). HPLC-MS-MS assay for the determination of all forms of vitamins B2 and B6 in human plasma. (external link)
• Nygård, O.; Refsum, Helge; Kjekshus, John et al. (2002). Total homocysteine levels predicts major coronary events and mortaliy in simvastatin treated patients of 4S. (external link)
• Nurk, Eha; Tell, Grethe; Vollset, Stein Emil et al. (2001). Predictors of 6-years changes in plasma total homocysteine: The Hordaland Homocysteine Study. (external link)
• Tell, Grethe; Nurk, Eha; Vollset, Stein Emil et al. (2001). Plasma total homocysteine and hospitalizations for cardiovascular disease: The Hordaland Homocysteine Study. (external link)
• Tell, Grethe; Nurk, Eha; Vollset, Stein Emil et al. (2001). Plasma total homocysteine and hospitalizations for cardiovascular disease: The Hordaland Homocysteine Study. (external link)
• Nygård, Ottar; Refsum, Helge; Kjekshus, John et al. (2001). Total Homocysteine Levels Predicts Major Coronary Events and Mortality in Simvastatin Treated Patients of 4S. (external link)
• Nedrebø, Bjørn G; Aanderud, Sylvi; Nygård, Ottar et al. (1999). Plasma levels of homocysteine are changed during treatment of hyper- and hypothyroidism. (external link)
• Guttormsen, Anne Berit; Solheim, E; Ueland, Per Magne et al. (1998). Mastcelletryptase og kvantitering av IgE antistoffer mot ammonium grupper, thilopental og cholin (suxameton) hos 25 pasienter med anafylaktisk sjokk under induksjon av generell anestesi. (external link)
• Nygård, Ottar; Refsum, Helga; Ueland, Per Magne et al. (1997). Plasma homocystein og livsstil. Resultater fra Homocysteinundersøkelsen i Hordaland 1992-1993. [Poster]. (external link)
• Nygård, Ottar; Nordrehaug, Jan Erik; Refsum, Helga et al. (1997). Plasma homocysteine predicts mortality in coronary artery diseased patients. (external link)
• Vollset, Stein Emil; Irgens, Lorentz M; Bjørke-Monsen, Anne Lise et al. (1997). Total plasma homocysteine and previous occurrence of congenital malformations: The Hordaland Homocysteine Study. (external link)
• Tell, Grethe S; Nygård, Ottar; Vollset, Stein Emil et al. (1997). Total mortality and serum uric acid in patients with confirmed coronary artery disease. (external link)
• Vollset, Stein Emil; Irgens, Lorentz; Bjørke-Monsen, Anne Lise et al. (1997). Total plasma homocysteine and previous occurrence of congenital malformations: The Hordaland Homocysteine Study. (external link)
• Vollset, Stein Emil; Irgens, Lorentz M; Bjørke-Monsen, Anne Lise et al. (1997). Total plasma homocysteine and previous occurrence of congenital malformations: The Hordaland Homocysteine Study. (external link)
• Nygård, Ottar; Vollset, Stein Emil; Kvåle, Gunnar et al. (1995). Plasma homocystein og forbruk av kaffe og te. (external link)
• Nygård, Ottar; Vollset, Stein Emil; Kvåle, Gunnar et al. (1995). Plasma homocysteine and relation to coffee and tea comsimption. (external link)

Short communication

• Fanidi, Anouar; Carreras-Torres, Robert; Larose, Tricia L et al. (2018). Is high vitamin B12 status a cause of lung cancer?. (external link)
• O'Reilly, Jessica; Pangilinan, Faith; Hokamp, Karsten et al. (2018). The impact of common genetic variants in the mitochondrial glycine cleavage system on relevant metabolites. (external link)

Letter to the editor

• Mårild, Karl; Vistnes, Maria; Tapia, German et al. (2017). Midpregnancy and cord blood immunologic biomarkers, HLA genotype, and pediatric celiac disease. (external link)
• Vollset, Stein Emil; Ueland, Per Magne (2005). B vitamins and cognitive function: do we need more and larger trials?. (external link)
• Ueland, Per Magne; Vollset, Stein Emil (2004). Homocysteine and folate in pregnancy. (external link)

Editorial

• Ueland, Per Magne; Loscalzo, Joseph (2012). Homocysteine and Cardiovascular Risk: The Perils of Reductionism in a Complex System. (external link)
• Ebbing, Marta; Ueland, Per Magne (2010). PREVENTION B vitamins and CVD-failure to find a simple solution. (external link)
• Ueland, Per Magne; Hustad, Simon Steinar (2008). Homocysteine and folate status in an era of folic acid fortification: Balancing benefits, risks, and B-vitamins. (external link)
• Ueland, Per Magne (2008). Importance of chemical reduction in plasma and serum homocysteine analysis. (external link)
• Ueland, Per Magne; Clarke, Robert (2007). Homocysteine and cardiovascular risk: Considering the evidence in the context of study design, folate fortification, and statistical power. (external link)

Reader opinion piece

• Håberg, Siri Eldevik; London, Stephanie J.; Nafstad, Per et al. (2011). Maternal folate levels in pregnancy and asthma in children at age 3 years. (external link)
• Ebbing, Marta; Ueland, Per Magne; Nygård, Ottar (2008). Lowering Homocysteine With B Vitamins in Patients With Coronary Artery Disease Reply. (external link)
• Bønaa, Kaare Harald; Bonaa, KH; Tverdal, Aage et al. (2006). Homocysteine, B vitamins, and cardiovascular disease - Reply. (external link)
• Nurk, Eha; Refsum, Helga; Tell, Grethe S et al. (2006). Factor V Leiden, pregnancy complications and adverse outcomes - Response. (external link)

Feature article

• Clarke, Robert; Armitage, J.; Lewington, S. et al. (2007). Homocysteine-lowerng trials for prevention of vascular disease: protocol for a collaborative meta-analysis. (external link)
• Vollset, Stein Emil; Nygard, Ottar; Refsum, H et al. (2000). Coffee and homocysteine (editorial). (external link)
• Nygård, Ottar; Vollset, Stein Emil; Refsum, Helga et al. (1997). Coffee consumption and plasma homocyst(e)ine: results from the atherosclerosis risk in communities study. Reply to FJ Nieto et al. (external link)
• Nygård, Ottar; Vollset, Stein Emil; Refsum, Helga et al. (1997). Coffee consumption and plasma homocyst(e)ine: results from the atherosclerosis risk in communities study. Reply to FJ Nieto et al. (external link)
• Nygård, Ottar; Refsum, Helga; Ueland, Per Magne et al. (1997). Plasma homocysteine levels and mortality in patients with coronary heart disease. Reply. (external link)
• Nygård, Ottar; Refsum, Helga; Ueland, Per Magne et al. (1997). Plasma homocysteine levels and mortality in patients with coronary heart disease. Reply. (external link)

Academic chapter/article/Conference paper

• Skålevik, Rita; Svardal, Asbjørn M.; Ueland, Per Magne (2007). Methods for folate measurement: Current status, caveats and future development. (external link)
• Hannisdal, Rita; Svardal, Asbjørn; Ueland, Per Magne (2007). Methods for folate measurement. Current status, caveats and future development. (external link)
• Hustad, Simon Steinar; Schneede, Jørn; Ueland, Per Magne (2004). Riboflavin and methylenetetrahydrofolate reductase. (external link)
• Ulvik, Arve; Ueland, Per Magne (2004). Assays for methylenetetrahydrofolate reductase polymorphisms. (external link)
• Muller, Fredrik; Aukrust, Pål; Svardal, Asbjørn M. et al. (1998). The thiols glutathione, cysteine and homocysteine in human immunodeficiency virus (HIV) infection. (external link)
• Müller, F.; Aukrust, P.; Svardal, A.M. et al. (1997). The thiols glutathione, cysteine and homocysteine in human immunodeficiency virus (HIV) infection. (external link)
• Müller, F.; Aukrust, P.; Svardal, A.M. et al. (1997). The thiols glutathione, cysteine and homocysteine in human immunodeficiency virus (HIV) infection. (external link)
• Ueland, Per Magne; Fiskerstrand, Torunn; Refsum, Helga (1997). Homocysteine and drug therapy. (external link)
• Vollset, Stein Emil; Nygård, O.G.K.; Ueland, Per Magne et al. (1997). The Hordaland homosysteine study: Lifestyle and plasma homocysteine in Western Norway. (external link)
• Ueland, Per Magne; Refsum, Helga; Blom, H.J. et al. (1997). Assessment of homocysteine. (external link)
• Refsum, Helga; Guttormsen, Anne Berit; Fiskerstrand, Torunn et al. (1997). On the formation and fate of plasma homocysteine. (external link)
• Graham, I.M.; Daly, L.E.; Refsum, Helga et al. (1997). Homocysteine and vascular disease: The European Concerted Action Project. (external link)
• Ueland, Per Magne; Refsum, Helga; Svardal, Asbjørn M. et al. (1987). Pertubation of homocysteine metabolism by pharmacological agents in experimental and clinical use. (external link)
• Ueland, Per Magne; Svardal, Asbjørn M.; Refsum, Helga et al. (1986). Disposition of endogenous S-adenosyl-homocysteine and homocysteine following exposure to nucleoside analogues and methotrexate. (external link)

Non-fiction book

• Ueland, Per Magne; Rozen, Rima (2004). MTHFR Polymorphisms and Disease. (external link)
• Graham, I.M.; Refsum, Helga; Rosenberg, I.H. et al. (1997). Homocysteine metabolism. From basic science to clinical med icine. (external link)
• Borchardt, RT; Creveling, CR; Ueland, Per Magne (1986). Biological methylation and drug design. (external link)

Other

• Rozen, Rima; Ueland, Per Magne (2004). Preface. (external link)

See a complete overview of publications in Cristin.