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Øyvind Bleie; Elin Strand; Per Magne Ueland
et al. (2011). Coronary blood flow in patients with stable coronary artery disease treated long term with folic acid and vitamin B12. (external link)
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Arve Ulvik; Eva Ringdal Pedersen; Gard Frodahl Tveitevåg Svingen
et al. (2016). Vitamin B-6 catabolism and long-term mortality risk in patients with coronary artery disease. (external link)
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Elizabeth L. Cope; Martha J. Shrubsole; Sarah S. Cohen
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Øivind Midttun; Simon Steinar Hustad; Per Magne Ueland
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Svetlana Konstantinova; Grethe S Tell; Stein Emil Vollset
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Simone Eussen; Stein Emil Vollset; Simon Steinar Hustad
et al. (2010). Plasma vitamins B2, B6, and B12, and related genetic variants as predictors of colorectal cancer risk. (external link)
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Aslaug Drotningsvik; Øivind Midttun; Linn Anja Slåke Vikøren
et al. (2019). Urine and plasma concentrations of amino acids and plasma vitamin status differ, and are differently affected by salmon intake, in obese Zucker fa/fa rats with impaired kidney function and in Long-Evans rats with healthy kidneys. (external link)
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Øyvind Bleie; Elin Strand; Per Magne Ueland
et al. (2007). Changes in Atherosclerotic Plaque Volume Measured with Intracoronary Ultrasound during B-vitamin Intervention (a WENBIT substudy). (external link)
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Anne J.M.R. Geijsen; Eline H. van Roekel; Fränzel J.B. van Duijnhoven
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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)
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Simon Steinar Hustad; Simone Eussen; Øivind Midttun
et al. (2012). Kinetic modeling of storage ffects on biomarkers related to B vitamin status and one-carbon metabolism. (external link)
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Christian Storm; Oliver Danne; Per Magne Ueland
et al. (2013). Serial plasma choline measurements after cardiac arrest in patients undergoing mild therapeutic hypothermia: a prospective observational pilot trial. (external link)
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Olalla Bueno; Anne M. Molloy; Joan D. Fernandez-Ballart
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Giil Lasse Melvær; Silja Hanseth; Ognjen Bojovic
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Jon Sigurd Sande; Arve Ulvik; Øivind Midttun
et al. (2019). Vitamin B-6 Status Correlates with Disease Activity in Rheumatoid Arthritis Patients During Treatment with TNFα Inhibitors. (external link)
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Joanna L Clasen; Alicia K. Heath; Heleen Van Puyvelde
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Jørn Schneede; Per Magne Ueland
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Jannike Øyen; Clara Gram Gjesdal; Therese Karlsson
et al. (2017). Dietary choline intake is directly associated with bone mineral density in the Hordaland Health Study. (external link)
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Simon Steinar Hustad; Bjørn Gunnar Nedrebø; Per Magne Ueland
et al. (2004). Phenotypic expression of the methylenetetrahydrofolate reductase 677C->T polymorphism and flavine cofactor availability in thyroid dysfunction. (external link)
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Ingrid Kristin Torsvik; Per Magne Ueland; Trond Markestad
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)
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Monika Christensen; Eva Kristine Ringdal Pedersen; Yngve Nordbø
et al. (2012). Vitamin B6 status and interferon-γ-mediated immune activation in primary hyperparathyroidism. (external link)
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Øivind Midttun; Simon Steinar Hustad; Jørn Schneede
et al. (2007). Plasma vitamin B-6 forms and their relation to transsulfuration metabolites in a large, population-based study. (external link)
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Astrid Bjørke Jenssen; Per Magne Ueland; Anne Lise Bjørke Monsen
(2017). Amniotic fluid arginine from gestational weeks 13 to 15 is a predictor of birth weight, length, and head circumference. (external link)
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Roy Miodini Nilsen; Pierpaolo Mastroiacovo; Nina Gunnes
et al. (2014). Folic acid supplementation and interpregnancy interval. (external link)
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Valéria Troncoso Baltar; Wei W. Xun; Mattias Johansson
et al. (2013). A structural equation modelling approach to explore the role of B vitamins and immune markers in lung cancer risk. (external link)
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David C. Muller; Mattias Johansson; David Zaridze
et al. (2015). Circulating concentrations of vitamin B6 and kidney cancer prognosis: A prospective case-cohort study. (external link)
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Jørn Schneede; P. C. Dagnelie; Helga Refsum
et al. (1994). Nutritional cobalamin deficiency in infants. (external link)
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Hui Zuo; Ottar Nygård; Per Magne Ueland
et al. (2018). Association of plasma neopterin with risk of an inpatient hospital diagnosis of atrial fibrillation: results from two prospective cohort studies. (external link)
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Espen Øglænd Bjørnestad; Hilde Olset; Indu Dhar
et al. (2020). Circulating trimethyllysine and risk of acute myocardial infarction in patients with suspected stable coronary heart disease. (external link)
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B. Christensen; Anne Berit Guttormsen; Jørn Schneede
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et al. (1994). Development of methionine dependence in a human glioma cell line. Relation to homocysteine remethylation and cobalamin status. (external link)
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Anne Berit Guttormsen; Helga Refsum; Per Magne Ueland
(1994). The interaction between nitrous oxide and cobalamin. Biochemical effects and clinical consequences. (external link)
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Per Magne Ueland; Øivind Midttun; Amrei Windelberg
et al. (2007). Quantitative profiling of folate and one-carbon metabolism in large-scale epidemiological studies by mass spectrometry. (external link)
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Pål Ivar Holm; Øyvind Bleie; Per Magne Ueland
et al. (2004). Betaine as a determinant of postmethionine load total plasma homocysteine before and after B-vitamin supplementation. (external link)
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Simone Eussen; Per Magne Ueland; Gert Jan Hiddink
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)
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Jie Gao; Arve Ulvik; Adrian McCann
et al. (2021). Microheterogeneity and preanalytical stability of protein biomarkers of inflammation and renal function. (external link)
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Anne-Brita Knapskog; Trine Holt Edwin; Per Magne Ueland
et al. (2024). Sex-specific associations of kynurenic acid with neopterin in Alzheimer’s disease. (external link)
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Marianne Grønlie Guren; Jørn Schneede; Kjell Magne Tveit
et al. (2004). Biochemical signs of impaired cobalamin status during and after radiotherapy for rectal cancer. (external link)
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Øivind Midttun; Despoina Theofylaktopoulou; Adrian Mccann
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)
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Eha Nurk; Helga Refsum; Grete S Tell
et al. (2006). Factor V Leiden, pregnancy complications and adverse outcomes: the Hordaland Homocysteine Study. (external link)
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Tor A Strand; Sunita Taneja; Per Magne Ueland
et al. (2013). Cobalamin and folate status predicts mental development scores in North Indian children 12-18 mo of age. (external link)
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Kjetil Halvorsen Løland; Øyvind Bleie; Heidi Borgeraas
et al. (2013). The association between progression of atherosclerosis and the methylated amino acids asymmetric dimethylarginine and trimethyllysine. (external link)
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Marianne Bratlie; Ingrid Valheim Hagen; Anita Helland
et al. (2020). Five salmon dinners per week were not sufficient to prevent the reduction in serum vitamin D in autumn at 60° north latitude: A randomised trial. (external link)
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Anne Lise Bjørke-Monsen; Thomas Halvorsen; Øyvind Midttun
et al. (2013). Increased inflammatory markers in adolescents born extremely preterm and small for gestational age. (external link)
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Jane C. Figueiredo; A. Joan Levine; Maria V. Grau
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)
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A. Joan Levine; Kristin Wallace; Shirley Tsang
et al. (2008). MTHFR genotype and colorectal adenoma recurrence: Data from a double-blind placebo-controlled clinical trial. (external link)
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Adrian McCann; Dag Aarsland; Per Magne Ueland
et al. (2021). Serum tyrosine is associated with better cognition in Lewy body dementia. (external link)
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Thomas Olsen; Kathrine Vinknes; Gard Frodahl Tveitevåg Svingen
et al. (2018). The risk association of plasma total homocysteine with acute myocardial infarction is modified by serum vitamin A. (external link)
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Beate Stokke Solvik; Kjersti Sletten Bakken; Adrian McCann
et al. (2024). Breastfeeding and biomarkers of folate and cobalamin status in Norwegian infants: A cross-sectional study. (external link)
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Jane C. Figueiredo; A. Joan Levine; Maria V. Grau
et al. (2008). Colorectal adenomas in a randomized folate trial: The role of baseline dietary and circulating folate levels. (external link)
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G Holleland; Jørn Schneede; Per Magne Ueland
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)
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M Ebbing; Kaare Harald Bønaa; E Arnesen
et al. (2010). Combined analyses and extended follow-up of two randomized controlled homocysteine-lowering B-vitamin trials. (external link)
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Anne-Lise Bjørke Monsen; Marte-Helene Bjørk; Anette Storstein
et al. (2022). Severe Hyperhomocysteinemia in a Patient with Parkinson Disease. (external link)
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Anne Lise Bjørke Monsen; Per Magne Ueland
(2011). Cobalamin status in children. (external link)
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Per Magne Ueland
(2011). Choline and betaine in health and disease. (external link)
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Gard Frodahl Tveitevåg Svingen; Per Magne Ueland; Eva Kristine Ringdal Pedersen
et al. (2013). Plasma dimethylglycine and risk of incident acute myocardial infarction in patients with stable angina pectoris. (external link)
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Maria Vistnes; German Tapia; Karl Staffan Mårild
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)
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B. Christensen; Anne Berit Guttormsen; J. Schneede
et al. (1994). Preoperative Methionine loading enhances restoration of the cobalamin-dependent enzyme methionine synthase after nitrous oxide anesthesia. (external link)
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Ø. Andreassen; I. Lie; C. E. Wasberg
et al. (1994). The spectral viscosity method applied to simulation of waves in stratified atmosphere. (external link)
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Anne Lise Bjørke Monsen; Christine Roth; Per Magnus
et al. (2013). Maternal B vitamin status in pregnancy week 18 according to reported use of folic acid supplements. (external link)
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Jessica O'Reilly; Faith Pangilinan; Karsten Hokamp
et al. (2018). The impact of common genetic variants in the mitochondrial glycine cleavage system on relevant metabolites. (external link)
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Shu-Chun Chuang; Rachel Stolzenberg-Solomon; Per Magne Ueland
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)
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Ingrid Kvestad; Adrian McCann; Ram K. Chandyo
et al. (2021). One-Carbon Metabolism in Nepalese Infant-Mother Pairs and Child Cognition at 5 Years Old. (external link)
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Gary M Shaw; Susan L Carmichael; Stein Emil Vollset
et al. (2009). Mid-pregnancy cotinine and risks of orofacial clefts and neural tube defects. (external link)
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Jørn Schneede; P. C. Dagnelie; W. A. van Staveren
et al. (1994). Methylmalonic acid and homocysteine in plasma as indicators of functional cobalamin deficiency in infants on macrobiotic diets. (external link)
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et al. (1994). Methylmalonic acid and homocysteine in plasma as indicators of functional cobalamin deficiency in infants on macrobiotic diets. (external link)
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Oana M. Deac; James L. Mills; Clair M. Gardiner
et al. (2016). Serum immune system biomarkers neopterin and interleukin-10 are strongly related to tryptophan metabolism in healthy young adults. (external link)
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Kjetil Halvorsen Løland; Øyvind Bleie; Are Jordahl Blix
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)
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R.K. Price; E. M. Keaveney; L. L. Hamill
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)
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Klaus Meyer; Per Magne Ueland
(2014). Targeted quantification of C-Reactive protein and cystatin C and its variants by immuno-MALDI-MS. (external link)
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Øystein Fluge; Olav Mella; Ove Bruland
et al. (2016). Metabolic profiling indicates impaired pyruvate dehydrogenase function in myalgic encephalopathy/chronic fatigue syndrome.. (external link)
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Harold Hin; Robert Clarke; Paul Sherliker
et al. (2006). Clinical relevance of low serum vitamin B12 concentrations in older people: the Banbury B12 study. (external link)
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Beate Stokke Solvik; Jannike Øyen; Ingrid Kvestad
et al. (2021). Biomarkers and Fatty Fish Intake: A Randomized Controlled Trial in Norwegian Preschool Children. (external link)
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Despoina Theofylaktopoulou; Arve Ulvik; Øivind Midttun
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)
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Rita Hannisdal; Randi Elin Gislefoss; Tom K. Grimsrud
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)
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Michelle M. Murphy; Anne M. Molloy; Per Magne Ueland
et al. (2007). Longitudinal study of the effect of pregnancy on maternal and fetal cobalamin status in healthy women and their offspring. (external link)
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Mathilde Hjelle Nitter; Benedicte Wentzel Norgård; Stefan De Vogel
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)
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Leiv Otto Watne; Christian Thomas Pollmann; Bjørn Erik Neerland
et al. (2022). Cerebrospinal fluid quinolinic acid is strongly associated with delirium and mortality in hip-fracture patients. (external link)
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Beate Stokke Solvik; Tor A Strand; Ingrid Kvestad
et al. (2020). Dietary intake and biomarkers of folate and cobalamin status in Norwegian preschool children: The FINS-KIDS Study. (external link)
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Linn A. Vikøren; Aslaug Drotningsvik; Øivind Midttun
et al. (2021). Baked cod consumption delayed the development of kidney and liver dysfunction and affected plasma amino acid concentrations, but did not affect blood pressure, blood glucose or liver triacylglycerol concentrations in obese fa/fa Zucker rats.. (external link)
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Francien V. Velzing-Aarts; Pål Ivar Holm; M. Rebecca Fokkema
et al. (2005). Plasma choline and betaine and their relation to plasma homocysteine in normal pregnancy. (external link)
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Max Leenders; Shu-Chun Chuang; Christina C. Dahm
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A. A. M. Ermens; Helga Refsum; J. Rupreht
et al. (1991). Monitoring cobalamin inactivation during nitrous oxide anesthesia by determination of homocysteine and folate in plasma and urine. (external link)
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Ram Krishna Chandyo; Manjeswori Ulak; Ingrid Kvestad
et al. (2018). Cobalamin and folate status among breastfed infants in Bhaktapur, Nepal. (external link)
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Simone J.P.M. Eussen; Lisette C.P.G.M. de Groot; Robert Clarke
et al. (2005). Oral cyanocobalamin supplementation in older people with vitamin B-12 deficiency - A dose-finding trial. (external link)
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Anna Vogiatzoglou; Abderrahim Oulhaj; David Smith
et al. (2009). Determinants of plasma methylmalonic acid in a large population: implications for assessment of vitamin B12 status. (external link)
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Pål Ivar Holm; Per Magne Ueland; Stein Emil Vollset
et al. (2005). Betaine and folate status as cooperative determinants of plasma homocysteine in humans. (external link)
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Øivind Midttun; Per Magne Ueland
(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)
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Per Magne Ueland; Pål Ivar Holm; Simon Steinar Hustad
(2005). Betaine: a key modulator of one-carbon metabolism and homocysteine status. (external link)
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Edward Valente; John M. Scott; Per Magne Ueland
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)
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Alison J. Price; Ruth C. Travis; Paul N. Appleby
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)
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Arve Ulvik; Stein Emil Vollset; Svein Hansen
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)
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Asbjørn M. Svardal; Per Magne Ueland; Rolf Kristian Berge
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)
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Anouar Fanidi; David C. Muller; Øivind Midttun
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)
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Rune Djurhuus; Asbjørn M. Svardal; Per Magne Ueland
(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)
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Niels Aarsaether; A. Aarsland; H Kryvi
et al. (1989). Changes in peroxisomes and mitochondria in liver of ethionine exposed rats: a biochemical and morphological investigation. (external link)
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et al. (2004). Associations between maternal methylenetetrahydrofolate reductase polymorphisms and adverse outcomes of pregnancy: The Hordaland Homocysteine Study. (external link)
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Angelika de Bree; Nathalie van der Put; Louise Mennen
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Else Quist-Paulsen; Pål Aukrust; Anne-Marte Bakken Kran
et al. (2018). High neopterin and IP-10 levels in cerebrospinal fluid are associated with neurotoxic tryptophan metabolites in acute central nervous system infections. (external link)
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Jicun Ren; PM Ueland
(1999). Temperature and pH effects on single-strand conformation polymorphism analysis by capillary electrophoresis. (external link)
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Bettina Riedel; Torunn Fiskerstrand; Helga Refsum
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)
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Jicun Ren; Arve Ulvik; Helga Refsum
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)
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PH Whincup; Helga Refsum; IJ Perry
et al. (1999). Serum total homocysteine and coronary heart disease: prospective study in middle aged men. (external link)
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A Harksen; Per Magne Ueland; Helga Refsum
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)
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L El-Khairy; Per Magne Ueland; O Nygard
et al. (1999). Lifestyle and cardiovascular disease risk factors as determinants of total cysteine in plasma : the Hordaland Homocysteine Study. (external link)
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Eirik Magnus Meek Degerud; Kjetil Halvorsen Løland; Ottar Nygård
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)
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G Holleland; Jørn Schneede; Per Magne Ueland
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)
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Gun Birgitta Anker; Helga Refsum; Per Magne Ueland
et al. (1999). Influence of aromatase inhibitors on plasma total homocysteine in postmenopausal breast cancer patients. (external link)
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Heidi Borgeraas; Elin Strand; Eva Kristine Ringdal Pedersen
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)
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Øyvind Bleie; Ottar Nygård; Jan Erik Nordrehaug
et al. (1999). Apolipoprotein A1 and risk for coronary artery disease. (external link)
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et al. (2018). Kynurenic Acid and Gpr35 Regulate Adipose Tissue Energy Homeostasis and Inflammation. (external link)
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Hall Schartum-Hansen; Per Magne Ueland; Eva Kristine Ringdal Pedersen
et al. (2013). Assessment of urinary betaine as a marker of diabetes mellitus in cardiovascular patients. (external link)
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Espen Øglænd Bjørnestad; Indu Dhar; Gard Frodahl Tveitevåg Svingen
et al. (2021). Trimethyllysine predicts all-cause and cardiovascular mortality in community-dwelling adults and patients with coronary heart disease. (external link)
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et al. (1996). Relation of homocysteine and lipid levels in children to premature cardiovascular death in male relatives. (external link)
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Anne Berit Guttormsen; Per Magne Ueland; I Nesthus
et al. (1996). Determinants and vitamin responsiveness of the intermediate homohypercysteinemia (> 40 _mmol/L). The Hordaland homocysteine study. (external link)
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Helga Refsum; Anne W. Grindflek; Per Magne Ueland
et al. (2004). Screening for serum total homocysteine in newborn children. (external link)
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Marta Ebbing; Kaare Harald Bønaa; Ottar Nygård
et al. (2009). Cancer incidence and mortality after treatment with folic acid and vitamin B12. (external link)
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Per Magne Ueland; M.A. Mansoor; Anne Berit Guttormsen
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)
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Helga Refsum; Ottar Nygård; Gunnar Kvåle
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)
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et al. (2004). Birth prevalence of homocystinuria. (external link)
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Guri Fossdal; Peder Rustøen Braadland; Johannes Espolin Roksund Hov
et al. (2025). Mitochondrial dysfunction and lipid alterations in primary sclerosing cholangitis. (external link)
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Rita Hannisdal; Per Magne Ueland; Asbjørn Svardal
(2009). Liquid chromatography-tandem mass spectrometry analysis of folate and folate catabolites in human serum. (external link)
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Eirik Degerud; Ottar Nygård; Stefan De Vogel
et al. (2018). Plasma 25-hydroxyvitamin D and mortality in patients with suspected stable angina pectoris. (external link)
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Arve Ulvik; Øivind Midttun; Eva Kristine Ringdal Pedersen
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)
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Anne-Lise Bjørke Monsen; Kristin Varsi; Sunniva Todnem Sakkestad
et al. (2023). Lower levels of the neuroprotective tryptophan metabolite, kynurenic acid, in users of estrogen contraceptives. (external link)
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Julie K. Bassett; Maree T. Brinkman; Pierre-Antoine Dugué
et al. (2018). Circulating concentrations of B group vitamins and urothelial cell carcinoma. (external link)
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Hung N. Luu; Pedram Paragomi; Renwei Wang
et al. (2022). The Association between Serum Serine and Glycine and Related-Metabolites with Pancreatic Cancer in a Prospective Cohort Study. (external link)
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Helga Refsum; Ottar Nygård; Gunnar Kvåle
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)
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Anne-Lise Bjørke Monsen; Stein Emil Vollset; Helga Refsum
et al. (2004). Hematological parameters and cobalamin status in infants born to smoking mothers. (external link)
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Bjørn Gunnar Nedrebø; Steinar Hustad; Jørn Schneede
et al. (2003). Homocysteine and its relations to B-vitamins and smoking in graves' disease before and after treatment. (external link)
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Birgitte Stiksrud; Kristina Berg Lorvik; Dag Kvale
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)
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Anne Berit Guttormsen; Per Magne Ueland; I Nesthus
et al. (1996). Determinants and vitamin responsiveness of the intermediate homohypercysteinemia (> 40 _mmol/L). The Hordaland homocysteine study. (external link)
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Helga Bergljot Midtbø; Arve Ulvik; Dana Cramariuc
et al. (2024). Influence of cardiorespiratory fitness on obesity-associated inflammation in women and men: The FATCOR study. (external link)
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Christine Roth; Anne Lise Bjørke Monsen; Ted Reichborn-Kjennerud
et al. (2013). Use of folic acid supplements in early pregnancy in relation to maternal plasma levels in week 18 of pregnancy. (external link)
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David C. Muller; Tricia L Larose; Allison Hodge
et al. (2019). Circulating high sensitivity C reactive protein concentrations and risk of lung cancer: Nested case-control study within Lung Cancer Cohort Consortium. (external link)
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Gun Birgitta Anker; Helga Refsum; Per Magne Ueland
et al. (1999). Influence of aromatase inhibitors on plasma total homocysteine levels in postmenopausal breast cancer patients. (external link)
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Eirik Wilberg Rebnord; Elin Strand; Øivind Midttun
et al. (2017). The kynurenine:tryptophan ratio as a predictor of incident type 2 diabetes mellitus in individuals with coronary artery disease. (external link)
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Eha Nurk; Grethe S Tell; Helga Refsum
et al. (2004). Associations between maternal methylenetetrahydrofolate reductase polymorhpisms and adverse outcomes of pregnancy: The Hordaland Homocysteine Study. (external link)
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Eha Nurk; Grethe S Tell; Stein Emil Vollset
et al. (2004). Changes in lifestyle and plasma total homocysteine. The Hordaland Homocysteine Study. (external link)
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Christine Louise Parr; Maria Christine Magnus; Øystein Karlstad
et al. (2017). Maternal folate intake during pregnancy and childhood asthma in a population-based cohort. (external link)
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et al. (2023). Healthy Nordic diet and associations with plasma concentrations of metabolites in the choline oxidation pathway: a cross-sectional study from Northern Sweden. (external link)
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Gard Frodahl Tveitevåg Svingen; Hui Zuo; Per Magne Ueland
et al. (2018). Increased plasma trimethylamine-N-oxide is associated with incident atrial fibrillation. (external link)
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EL Doets; Per Magne Ueland; Grethe S Tell
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)
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Kristin Varsi; Per Magne Ueland; Ingrid Kristin Torsvik
et al. (2018). Maternal serum cobalamin at 18 weeks of pregnancy predicts infant cobalamin status at 6 months-A prospective, observational study. (external link)
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Stefan De Vogel; Jörn Schneede; Per Magne Ueland
et al. (2011). Biomarkers related to one-carbon metabolism as potential risk factors for distal colorectal adenomas. (external link)
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R Clarke; J. Armitage; S. Lewington
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)
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Marije Hogeveen; Henk J Blom; Elisabeth H. van der Heijden
et al. (2010). Maternal homocysteine and related B vitamins as risk factors for low birthweight. (external link)
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Gary M. Shaw; Wei Yang; Suzan L. Carmichael
et al. (2014). One-carbon metabolite levels in mid-pregnancy and risks of conotruncal heart defects. (external link)
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Ingrid Kvestad; Mari Hysing; Merina Shrestha
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)
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R Clarke; J. Armitage; S Lewington
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)
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Karl Staffan Mårild; German Tapia; Øivind Midttun
et al. (2019). Smoking in pregnancy, cord blood cotinine and risk of celiac disease diagnosis in offspring. (external link)
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RR Love; Gun Birgitta Anker; Y Yang
et al. (1999). Serum homocysteine levels in postmenopausal breast cancer patients treated with tamoxifen. (external link)
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Despoina Theofylaktopoulou; Øivind Midttun; Arve Ulvik
et al. (2013). A community-based study on determinants of circulating markers of cellular immune activation and kynurenines: the Hordaland Health Study. (external link)
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Jannicke Igland; Stein Emil Vollset; Ottar Nygård
et al. (2012). Relative importance of risk factors for coronary heart disease - The Hordaland Homocysteine Study. (external link)
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R Meleady; PM Ueland; H Blom
et al. (2002). Thermolabile methylenetetrahydrofolate reductase, homocysteine, and cardiovascular disease risk: the European Concerted Action Project. (external link)
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Despoina Theofylaktopoulou; Øivind Midttun; Per Magne Ueland
et al. (2018). Impaired functional vitamin B6 status is associated with increased risk of lung cancer. (external link)
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Ottar Nygård; Jan Erik Nordrehaug; Helga Refsum
et al. (1997). Plasma homocysteine levels and mortality in patients with coronary artery disease. (external link)
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Ottar Nygård; Jan Erik Nordrehaug; Helga Refsum
et al. (1997). Plasma homocysteine levels and mortality in patients with coronary artery disease. (external link)
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Anne Lise Bjørke-Monsen; Per Magne Ueland; Jørn Schneede
et al. (1997). Elevated plasma total homocysteine and C677T mutation of the methylenetetrahydrofolate reductase gene in patients with spina bifida. (external link)
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Ronald G. Munger; Rajarajeswari Kuppuswamy; Jyotsna Murthy
et al. (2021). Maternal Vitamin B<inf>12</inf> Status and Risk of Cleft Lip and Cleft Palate Birth Defects in Tamil Nadu State, India. (external link)
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Yvonne Lamers; Jerry Williamson; Maria Ralat
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)
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Abee L. Boyles; Allen J. Wilcox; Jack A. Taylor
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)
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Klaus Meyer; Åse Fredriksen; Per Magne Ueland
(2009). MALDI-TOF MS Genotyping of Polymorphisms Related to One-carbon Metabolism using Common and Mass-modified Terminators. (external link)
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Ernst Asbjørn Lien; Gun Birgutta Anker; Per Eystein Lønning
et al. (1997). Effects of hormones on the plasma level of the atherogenic amino acid homocysteine. (external link)
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Ottar Nygård; Helga Refsum; Per Magne Ueland
et al. (1997). Coffee consumption and plasma total homocysteine: The Hordaland Homocysteine Study. (external link)
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Ottar Nygård; Jan Erik Nordrehaug; Helga Refsum
et al. (1997). Plasma homocysteine levels and mortality in patients with coronary artery disease. (external link)
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Indu Dhar; Sumia Siddique; Eva Kristine Ringdal Pedersen
et al. (2020). Lipid parameters and vitamin A modify cardiovascular risk prediction by plasma neopterin. (external link)
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Thomas Olsen; Kathrine Vinknes; Rune Blomhoff
et al. (2019). Creatinine, total cysteine and uric acid are associated with serum retinol in patients with cardiovascular disease. (external link)
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Lovisa Widbom; Jørn Schneede; Øivind Midttun
et al. (2020). Elevated plasma cotinine is associated with an increased risk of developing IBD, especially among users of combusted tobacco. (external link)
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Marianne Bråtveit; Anthea van Parys; Thomas Olsen
et al. (2024). Association between dietary macronutrient composition and plasma one-carbon metabolites and B-vitamin cofactors in patients with stable angina pectoris. (external link)
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Jie Gao; Adrian McCann; Johnny Laupsa-Borge
et al. (2022). Within-person reproducibility of proteoforms related to inflammation and renal dysfunction. (external link)
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Anne Lise Bjørke-Monsen; Per Magne Ueland; Jørn Schneede
et al. (1997). Elevated plasma total homocysteine and C677T mutation of the methylenetetrahydrofolate reductase gene in patients with spina bifida. (external link)
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Luisa Rios-Avila; Bonnie Coats; Maria Ralat
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)
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Stein Emil Vollset; Robert Clarke; Sarah Lewington
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)
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Birgitte Stiksrud; Piotr Nowak; Felix Chinweije Nwosu
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)
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Julie C. Gaardbo; Marius Trøseid; Birgitte Stiksrud
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)
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Yunpeng Ding; Eva Ringdal Pedersen; Stefan Johansson
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)
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Ottar Nygård; Helga Refsum; Per Magne Ueland
et al. (1997). Coffee consumption and plasma total homocysteine: The Hordaland Homocysteine Study. (external link)
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Ottar Nygård; Helga Refsum; Per Magne Ueland
et al. (1997). Homocystein og livsstil. Resultater fra Homocysteinundersøkelsen i Hordaland 1992-1993. (external link)
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Claire E. Thomas; Renwei Wang; Jennifer Adams-Haduch
et al. (2020). Urinary cotinine is as good a biomarker as serum cotinine for cigarette smoking exposure and lung cancer risk prediction. (external link)
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Giil Lasse Melvær; Øivind Midttun; Helga Refsum
et al. (2017). Kynurenine pathway metabolites in Alzheimer's disease. (external link)
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Luisa Rios-Avila; Bonnie Coats; Yueh-Yun Chi
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)
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P. Aukrust; Rolf Kristian Berge; F. Müller
et al. (1997). Elevated plasma levels of reduced homocysteine in common variable immunodeficiency - a marker of enhanced oxidative stress. (external link)
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P. Aukrust; Rolf Kristian Berge; F. Müller
et al. (1997). Elevated plasma levels of reduced homocysteine in common variable immunodeficiency - a marker of enhanced oxidative stress. (external link)
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Anne M. Molloy; Faith Pangilinan; James L. Mills
et al. (2016). A Common Polymorphism in HIBCH Influences Methylmalonic Acid Concentrations in Blood Independently of Cobalamin. (external link)
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Oana M. Deac; James L. Mills; Barry Shane
et al. (2015). Tryptophan catabolism and vitamin B-6 status are affected by gender and lifestyle factors in healthy young adults. (external link)
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Per Ole Iversen; Prudence Atukunda; Remco Kort
et al. (2020). No associations between microbiota signaling substances and cognitive, language and motor development among three-year-old rural Ugandan children. (external link)
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Kathrine Vinknes; Jacqueline M. Dekker; Christian A Drevon
et al. (2013). Plasma sulfur amino acids and stearoyl-CoA desaturase activity in two caucasian populations. Prostaglandins Leukot Essent Fatty Acids 2. (external link)
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Svetlana Konstantinova; Grethe S Tell; Stein Emil Vollset
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)
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Aslaug Drotningsvik; Øivind Midttun; Adrian Mccann
et al. (2018). Dietary intake of cod protein beneficially affects concentrations of urinary markers of kidney function and results in lower urinary loss of amino acids in obese Zucker fa/fa rats. (external link)
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Helga Bergljot Midtbø; Ester Anne Kringeland; Eva Gerdts
et al. (2022). Biomarkers of inflammation and left ventricular remodelling in psoriasis patients treated with infliximab. (external link)
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Roy M Nilsen; Stein Emil Vollset; Anne Lise B Monsen
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)
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David C Muller; Anouar Fanidi; Øivind Midttun
et al. (2014). Circulating 25-hydroxyvitamin D3 in relation to renal cell carcinoma incidence and survival in the EPIC cohort. (external link)
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M Gelpi; Beate Vestad; Sajan Raju
et al. (2022). Association of the Kynurenine Pathway of Tryptophan Metabolism with Human Immunodeficiency Virus-Related Gut Microbiota Alterations and Visceral Adipose Tissue Accumulation. (external link)
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Joyce Yongxu Huang; Tricia L Larose; Hung N. Luu
et al. (2019). Circulating markers of cellular immune activation in pre-diagnostic blood sample and lung cancer risk in the Lung Cancer Cohort Consortium (LC3). (external link)
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Stein Emil Vollset; Jannicke Igland; Mazda Jenab
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)
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Espen Øglænd Bjørnestad; Indu Dhar; Gard Frodahl Tveitevåg Svingen
et al. (2022). Circulating trimethylamine N-oxide levels do not predict 10-year survival in patients with or without coronary heart disease. (external link)
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Monika Christensen; Dag Jone Stokke Fadnes; Therese Halvorsen Røst
et al. (2018). Inflammatory markers, the tryptophan-kynurenine pathway, and Vitamin B status after bariatric surgery. (external link)
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Pål Aukrust; Rolf Kristian Berge; Fredrik Muller
et al. (1997). Elevated plasma levels of reduced homocysteine in common variable immunodeficiency - a marker of enhanced oxidative stress. (external link)
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Else Quist-Paulsen; Vidar Ormaasen; Anne-Marte Bakken Kran
et al. (2019). Encephalitis and aseptic meningitis: short-term and long-term outcome, quality of life and neuropsychological functioning. (external link)
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Sajan Raju; Antonio Molinaro; Ayodeji Olawale Awoyemi
et al. (2024). Microbial-derived imidazole propionate links the heart failure-associated microbiome alterations to disease severity. (external link)
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Tor A Strand; Manjeswori Ulak Chandyo; Mari Hysing
et al. (2020). Effects of vitamin B12 supplementation on neurodevelopment and growth in Nepalese Infants: A randomized controlled trial. (external link)
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Hana Zahed; Mattias Johansson; Per Magne Ueland
et al. (2021). Epidemiology of 40 blood biomarkers of one-carbon metabolism, vitamin status, inflammation, and renal and endothelial function among cancer-free older adults. (external link)
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Anouar Fanidi; Caroline Relton; Per Magne Ueland
et al. (2014). A prospective study of one-carbon metabolism biomarkers and cancer of the head and neck and esophagus. (external link)
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C.E. Kim; A.B. Guttormsen; Helge Refsum
et al. (1997). Functioinal modeling of vitamin responsiveness in yeast: a common pyridoxine-responsive cysatihione b-synthase mutation i homocyteinuria. (external link)
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Stefan De Vogel; Klaus Meyer; Åse Fredriksen
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)
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Claudine M. Samanic; Yiyang Yue; David J. Cote
et al. (2022). A prospective study of pre-diagnostic circulating tryptophan and kynurenine, and the kynurenine/tryptophan ratio and risk of glioma. (external link)
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Sol Maja Graasvold Bjørkevoll; Carolien Konijnenberg; Ingrid Hafting Kvestad
et al. (2023). Vitamin B12 and folate status in pregnant females and their infants in Norway: Secondary analysis from the Mommy´s Food Study. (external link)
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Bettina Riedel; Torunn Fiskerstrand; Helga Refsum
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)
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Shu-Chun Chuang; Heiner Boeing; Stein Emil Vollset
et al. (2016). Cellular immune activity biomarker neopterin is associated hyperlipidemia: results from a large population-based study. (external link)
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Hui Zuo; Per Magne Ueland; Arve Ulvik
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)
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Pol Solé-Navais; Judith Salat-Batlle; Pere Cavallé-Busquets
et al. (2018). Early pregnancy folate-cobalamin interactions and their effects on cobalamin status and hematologic variables throughout pregnancy. (external link)
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Anne-Lise Bjørke Monsen; Kristin Varsi; Sunniva Todnem Sakkestad
et al. (2022). Assessment of vitamin B6 status in never-pregnant, pregnant and postpartum women and their infants. (external link)
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Tor A Strand; Sunita Taneja; Nita Bhandari
et al. (2007). Folate, but not vitamin B-12 status, predicts respiratory morbidity in north Indian children. (external link)
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Clara Gram Gjesdal; Stein Emil Vollset; Per Magne Ueland
et al. (2007). Plasma homocysteine, folate, and vitamin B-12 and the risk of hip fracture: The hordaland homocysteine study. (external link)
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Anne Lise Bjørke-Monsen; Ingrid Kristin Torsvik; Hege Sætran
et al. (2008). Common metabolic profile in infants indicating impaired cobalamin status responds to cobalamin supplementation. (external link)
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Robert Clarke; John Grimley Evans; Jørn Schneede
et al. (2004). Vitamin B12 and folate deficiency in later life. (external link)
-
Helga Refsum; Åse Fredriksen; Klaus Meyer
et al. (2004). Birth prevalence of homocystinuria. (external link)
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Klaus Meyer; Åse Fredriksen; Per Magne Ueland
(2004). High-level multiplex genotyping of polymorphisms involved in folate or homocysteine metabolism by matrix-assisted laser desorption/ionization mass spectrometry. (external link)
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Nicole Stone; Faith Pangilinan; Anne M. Molloy
et al. (2011). Bioinformatic and Genetic Association Analysis of MicroRNA Target Sites in One-Carbon Metabolism Genes. (external link)
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Simon Steinar Hustad; Øivind Midttun; Jørn Schneede
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)
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Paula Berstad; Svetlana Konstantinova; Helga Refsum
et al. (2007). Dietary fat and plasma total homocysteine concentrations in 2 adult age groups: the Hordaland Homocysteine Study. (external link)
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Kjetil Halvorsen Løland; Øyvind Bleie; Elin Strand
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)
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Marianne Bratlie; Ingrid Valheim Hagen; Anita Helland
et al. (2020). Effects of high intake of cod or salmon on gut microbiota profile, faecal output and serum concentrations of lipids and bile acids in overweight adults: a randomised clinical trial. (external link)
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Anne Lise Bjørke-Monsen; Per Magne Ueland; Jørn Schneede
et al. (1997). Elevated plasma total homocysteine and C677T mutation of the methylenetetrahydrofolate reductase gene in patients with spina bifida. (external link)
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P. Aukrust; R.K. Berge; F. Müller
et al. (1997). Enhanced lipid peroxidation is correlated with elevated plasma levels of reduced homocysteine in patients with common variable immunodeficiency (CVI). (external link)
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Ottar Nygård; Helga Refsum; Per Magne Ueland
et al. (1997). Coffee consumption and plasma total homocysteine: The Hordaland Homocysteine Study. (external link)
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Ottar Nygård; Helga Refsum; Per Magne Ueland
et al. (1997). Homocystein og livsstil. Resultater fra Homocysteinundersøkelsen i Hordaland 1992-1993. (external link)
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I.M. Graham; L.E. Daly; Helga Refsum
et al. (1997). Plasma homocysteine as a risk factor for vascular disease: The European Concerted Action Project. (external link)
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C.E. Kim; P.M. Gallagher; Anne Berit Guttormsen
et al. (1997). Functional modeling of vitamin responsivness in yeast: a commom pyridoxine-responsive cystathionine beta-synthase mutation in homocystinuria. (external link)
-
S. Tonstad; Torunn Fiskerstrand; Per Magne Ueland
(1997). Association between plasma total homocysteine and parental history of cardiovascular disease in children with familial hypercholesterolemia. (external link)
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Torunn Fiskerstrand; Per Magne Ueland; Helga Refsum
(1997). Folate depletion induced by methotrexate affects methionine synthase activity and its susceptibility to inactivation by nitrous oxide. (external link)
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Torunn Fiskerstrand; Per Magne Ueland; Helga Refsum
(1997). Response of the methionine synthase system during short-term culture with homocysteine and nitrous oxide and its relation to methionine dependence. (external link)
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Arve Ulvik; Helga Refsum; L.A.J. Kluijtmans
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)
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P. Verhoef; F.J. Kok; D.A.C.M. Kruyssen
et al. (1997). Plasma total homocysteine, B-vitamins and risk of coronary atherosclerosis. (external link)
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T. Fiskerstrand; B. Reidel; Per Magne Ueland
et al. (1998). Disruption of a Regulatory system Involving Cobalamin distribution and Function in a Methionine-dependent Human glioma Cell Line. (external link)
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Ernst Asbjørn Lien; Gun Birgitta Anker; Per Eystein Lønning
et al. (1995). Determination of droloxifene and two metabolites in serum by high pressure liquid chromatography. (external link)
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Ram K. Chandyo; Ingrid Kvestad; Manjeswori Ulak Chandyo
et al. (2023). The effect of vitamin B12 supplementation during pregnancy on infant growth and development in Nepal: a community-based, double-blind, randomised, placebo-controlled trial. (external link)
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Pierre-Antoine Dugué; Allison M. Hodge; Arve Ulvik
et al. (2021). Association of Markers of Inflammation, the Kynurenine Pathway and B Vitamins with Age and Mortality, and a Signature of Inflammaging. (external link)
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Pål Ivar Holm; Simon Steinar Hustad; Per Magne Ueland
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)
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Anne Berit Guttormsen; Per Magne Ueland; E. Svarstad
et al. (1997). Kinetic basis of hyperhomocysteinemia in patients with chronic renal failure. (external link)
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P. Verhoef; F.J. Kok; L.J. Kluijtmans
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)
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Helga Refsum; Torunn Fiskerstrand; Anne Berit Guttormsen
et al. (1997). Assessment of homocysteine status. (external link)
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Jicun Ren; Arve Ulvik; Per Magne Ueland
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)
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Anne Berit Guttormsen; Per Magne Ueland; E Svarstad
et al. (1997). Kinetic basis of hyperhomocysteinemia in patients with chronic renal failure. (external link)
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Ernst Asbjørn Lien; Gun Birgitta Anker; Per Eystein Lønning
et al. (1997). Effects of hormones on the plasma levels of the atherogenic amino acid homocysteine. (external link)
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CE Kim; PM Gallagher; Anne Berit Guttormsen
et al. (1997). Functional modeling of vitamin responsiveness in yeast: a common pyridoxine-responsive cystathionine B-synthase mutation in homocystinuria. (external link)
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Shu-Chun Chuang; Anouar Fanidi; Per Magne Ueland
et al. (2014). Circulating biomarkers of tryptophan and the kynurenine pathway and lung cancer risk. (external link)
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Eva Kristine Ringdal Pedersen; Øivind Midttun; Per Magne Ueland
et al. (2010). Systemic Markers of Interferon-–Mediated Immune Activation and Long-Term Prognosis in Patients With Stable Coronary Artery Disease. (external link)
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Simone Eussen; Per Magne Ueland; Stein Emil Vollset
et al. (2015). Kynurenines as predictors of acute coronary events in the Hordaland Health Study. (external link)
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Ottar Nygård; Helga Refsum; Per Magne Ueland
et al. (1998). Major lifestyle determinants of plasma total homocysteine distribution: The Hordaland Homocysteine Study. (external link)
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Helga Refsum; Per Magne Ueland; Ottar Nygård
et al. (1998). Homocysteine and cardiovascular disease. (external link)
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Jørn Schneede; Per Magne Ueland
(1995). Application of capillary electrophoresis with laser-induced fluorescence detection for routine analysis of methylmalonic acid in human serum. (external link)
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Ernst Asbjørn Lien; Gun Birgitta Anker; Per Magne Ueland
(1995). Pharmacokinetics of tamoxifen in pre- and post-menopausal women with breast cancer. (external link)
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Gun Birgitta Anker; Per Eystein Lønning; Per Magne Ueland
et al. (1995). Plasma levels of the atherogenic amino acid homocysteine in post-menopausal women with breast cancer treated with tamoxifen. (external link)
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Elisabeth Toverud Landaas; Tore Ivar Malmei Aarsland; Arve Ulvik
et al. (2016). Vitamin levels in adults with ADHD. (external link)
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Yunpeng Ding; Eva Ringdal Pedersen; Gard Frodahl Tveitevåg Svingen
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)
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Bettina Riedel; Anne M. Molloy; Klaus Meyer
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)
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Eva Kristine Ringdal Pedersen; Gard Frodahl Tveitevåg Svingen; Hall Schartum-Hansen
et al. (2013). Urinary excretion of kynurenine and tryptophan, cardiovascular events, and mortality after elective coronary angiography. (external link)
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Anna Vogiatzoglou; David Smith; Eha Nurk
et al. (2013). Cognitive function in an elderly population: Interaction between vitamin B12 status, depression and apolipoprotein E4. The Hordaland Homocysteine Study. (external link)
Conference poster
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Tor A Strand; Sunita Taneja; Nita Bhandari
et al. (2009). Vitamin B12, but not folate status predicts mental development scores in north indian toddlers. (external link)
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Eva Ringdal Pedersen; Nora Tuseth; Simone Eussen
et al. (2014). Associations of plasma kynurenines with risk of acute myocardial infarction in patients with stable angina pectoris. (external link)
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Marta Ebbing; Øyvind Bleie; Jan Erik Nordrehaug
et al. (2007). WENBIT - Western Norway B vitamin intervention trial. (external link)
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Arve Ulvik; Per Magne Ueland; Stein Emil Vollset
et al. (2007). Non-dietary lifestyle determinants of serum folate (coffee, smoking, alcohol, and body-mass index). (external link)
-
Svetlana Konstantinova; Grethe S Tell; Stein Emil Vollset
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)
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Arve Ulvik; Åse Fredriksen; Klaus Meyer
et al. (2005). The MTHFR 1298A->C polymorphism, effects on serum folate and total homocysteine. (external link)
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Klaus Meyer; Åse Fredriksen; Per Magne Ueland
(2007). High-level multiplex genotyping of single nucleotide polymorphisms involved in one-carbon metabolism by Matrix-assisted Laser Desorption/Ionization Mass Spectrometry. (external link)
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Gard Frodahl Tveitevåg Svingen; Per Magne Ueland; Hall Schartum-Hansen
et al. (2013). Plasma dimethylglycine is associated with all-cause mortality in patients with coronary heart disease. (external link)
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Elin Strand; Bodil Bjørndal; Eva Kristine Ringdal Pedersen
et al. (2013). The PPARɣ Agonist Pioglitazone and Plasma Levels of Choline or Related Methylamines in Women with Polycystic Ovary Syndrome. (external link)
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Øivind Midttun; Eva Kristine Ringdal Pedersen; Arve Ulvik
et al. (2010). Inflammation suggest plasma concentration of 3-hydroxykynurenine as a metabolic marker of vitamin B6 status. (external link)
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Elin Strand; Øyvind Bleie; Per Magne Ueland
et al. (2007). Changes in Atherosclerotic Plaque Volume Measured using Intracoronary Ultrasound during B-vitamin Intervention. (external link)
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Klaus Meyer; Åse Fredriksen; Per Magne Ueland
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)
-
Stine Marie Ulven; Jacob J. Christensen; Ottar Nygård
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)
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Rita Skålevik; Arve Ulvik; Asbjørn Svardal
et al. (2004). Determination of folate species and folate-related compounds in serum by liquid chromatography tandem mass spectroscopy. (external link)
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Øyvind Bleie; Anne Grete Semb; Jan Erik Nordrehaug
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)
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Eva Kristine Ringdal Pedersen; Marta Ebbing; Øivind Midttun
et al. (2007). B6 vitamers as predictors of mortality in patients with stable chest pain. (external link)
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Øyvind Bleie; Elin Strand; Per Magne Ueland
et al. (2007). Changes in Atherosclerotic Plaque Volume Measured with Intracoronary Ultrasound during B-vitamin Intervention (a WENBIT substudy). (external link)
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Mona Synnøve Nilsen; Regine Åsen Jersin; Andre Madsen
et al. (2019). Adipocyte amino acid metabolism in obesity-related metabolic diseases. (external link)
-
Hui Zuo; Per Magne Ueland; Ottar Nygård
et al. (2017). Plasma choline and betaine and risk of incident atrial fibrillation: the Hordaland Health Study. (external link)
-
Hui Zuo; Grethe S. Tell; Per Magne Ueland
et al. (2017). Vitamin B6-related biomarkers and long-term stroke risk: the Hordaland Health Study. (external link)
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Anne Berit Guttormsen; E Svarstad; Per Magne Ueland
et al. (1995). Elimination of homocystein from plasma in subjects with endstage renal failure. (external link)
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Eirik Wilberg Rebnord; Eva Ringdal Pedersen; Elin Strand
et al. (2014). GLYCOSYLATED HAEMOGLOBIN AND LONG-TERM PROGNOSIS IN PATIENTS WITH SUSPECTED STABLE ANGINA PECTORIS WITHOUT DIABETES. (external link)
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Arve Ulvik; Stein Emil Vollset; Svein Hansen
et al. (2004). Serum cysteine, homocysteine and colorectal cancer - a prospective case-control study from the Janus serum collection. (external link)
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Åse Fredriksen; Klaus Meyer; Jørn Schneede
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)
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Arve Ulvik; Stein Emil Vollset; Svein Hansen
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)
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Marta Ebbing; Kaare Harald Bønaa; Jan Erik Nordrehaug
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)
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Marta Ebbing; Kaare Harald Bønaa; Egil Arnesen
et al. (2009). Kombinerte resultat og langtids oppfølging i NORVIT og WENBIT – to kliniske forsøk blant 6837 pasienter med iskemisk hjertesykdom. (external link)
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Marta Ebbing; Kaare Harald Bønaa; Jan Erik Nordrehaug
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)
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Hui Zuo; Per Magne Ueland; Simone Eussen
et al. (2014). Markers of vitamin B6 status and metabolism as predictors of incident cancer: A community-based cohort study. (external link)
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Øivind Midttun; Steinar Hustad; Per Magne Ueland
et al. (2003). Determination of All Forms of Vitamins B2 and B6 in Human Plasma by Liquid Chromatography-Tandem Mass Spectrometry. (external link)
Editorial/Leader article
Conference lecture
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Marta Ebbing; Øyvind Bleie; Jan Erik Nordrehaug
et al. (2007). WENBIT -Western Norway B-vitamin Intervention Trial: P96, Clinical Chemistry & Laboratory Medicine. 45(5):A18, May 2007. (external link)
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Øivind Midttun; Steinar Hustad; Per Magne Ueland
et al. (2003). HPLC-MS-MS assay for the determination of all forms of vitamins B2 and B6 in human plasma. (external link)
-
Grethe Tell; Eha Nurk; Stein Emil Vollset
et al. (2001). Plasma total homocysteine and hospitalizations for cardiovascular disease: The Hordaland Homocysteine Study. (external link)
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Eha Nurk; Grethe Tell; Stein Emil Vollset
et al. (2001). Predictors of 6-years changes in plasma total homocysteine: The Hordaland Homocysteine Study. (external link)
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Grethe Tell; Eha Nurk; Stein Emil Vollset
et al. (2001). Plasma total homocysteine and hospitalizations for cardiovascular disease: The Hordaland Homocysteine Study. (external link)
-
Klaus Meyer; Åse Fredriksen; Per Magne Ueland
(2005). High Troughput Genotyping of SNP by MALDI-TOF MS. (external link)
-
Åse Fredriksen; Klaus Meyer; Per Magne Ueland
(2004). Prevalence determination of 13 polymorphisms in a Norwegian population by MALDI-TOF MS. (external link)
-
Christine Louise Parr; Christian Page; Kristin Holvik
et al. (2017). Pregnancy fatty acid status and newborn DNA methylation: the MoBa pregnancy cohort. (external link)
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Øivind Midttun; Simon Steinar Hustad; Per Magne Ueland
(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)
-
Klaus Meyer; Åse Fredriksen; Per Magne Ueland
(2007). High-level multiplex genotyping of single nucleotide polymorphisms involved in one-carbon metabolism by Matrix-assisted Laser Desorption/Ionization Mass Spectrometry. (external link)
-
Klaus Meyer; Åse Fredriksen; Per Magne Ueland
(2007). High-level multiplex genotyping of polymorphisms involved in one-carbon metabolism by MALDI-TOF MS. (external link)
-
Gard Svingen; Per Magne Ueland; Øyvind Bleie
et al. (2007). Asymmetric and symmetric dimethylarginine are weaker predictors than homocysteine of long-term mortality in patients with stable angina. (external link)
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Stein Emil Vollset; Lorentz M Irgens; Anne Lise Bjørke-Monsen
et al. (1997). Total plasma homocysteine and previous occurrence of congenital malformations: The Hordaland Homocysteine Study. (external link)
-
Grethe S Tell; Ottar Nygård; Stein Emil Vollset
et al. (1997). Total mortality and serum uric acid in patients with confirmed coronary artery disease. (external link)
-
Stein Emil Vollset; Lorentz M Irgens; Anne Lise Bjørke-Monsen
et al. (1997). Total plasma homocysteine and previous occurrence of congenital malformations: The Hordaland Homocysteine Study. (external link)
-
Rita Hannisdal; Asbjørn Svardal; Per Magne Ueland
(2007). A novel serum folate assay measuring intact and degraded folate species as para-aminobenzoylglutamate equivalents in fresh and stored samples. (external link)
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Robert Clarke; J Halsey; S Lewington
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)
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Eva Kristine Ringdal Pedersen; Per Magne Ueland; Stein Emil Vollset
et al. (2007). Total homocysteine, systemic markers of inflammation and long-term mortality in patients with stable angina. (external link)
-
Øistein Mjelva; Gard Frodahl Tveitevåg Svingen; Eva Ringdal Pedersen
et al. (2015). Fibrinogen And Neopterin Predict Future Myocardial Infarction Events In Patients With Stable Coronary Heart Disease. Circulation. 2015;132:A19224.. (external link)
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Stine Marie Ulven; Jacob J. Christensen; Ottar Nygård
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)
-
Ottar Nygård; Stein Emil Vollset; Gunnar Kvåle
et al. (1995). Plasma homocystein og forbruk av kaffe og te. (external link)
-
Ottar Nygård; Stein Emil Vollset; Gunnar Kvåle
et al. (1995). Plasma homocysteine and relation to coffee and tea comsimption. (external link)
-
Mona Synnøve Nilsen; Regine Åsen Jersin; Andre Madsen
et al. (2018). Amino acid metabolism in adipocytes. (external link)
-
Klaus Meyer; Åse Fredriksen; Per Magne Ueland
(2006). High throughput genotyping of single nucleotide polymorphisms by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. (external link)
-
Anne Berit Guttormsen; E Solheim; Per Magne Ueland
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)
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Bjørn G Nedrebø; Sylvi Aanderud; Ottar Nygård
et al. (1999). Plasma levels of homocysteine are changed during treatment of hyper- and hypothyroidism. (external link)
-
Mona Synnøve Nilsen; Regine Åsen Jersin; Adrian McCann
et al. (2019). Circulating 3-hydroxyisobutyrate (3-HIB) as a clinical marker of prediabetes and T2D in patients with obesity. (external link)
-
Ottar Nygård; Helge Refsum; John Kjekshus
et al. (2001). Total Homocysteine Levels Predicts Major Coronary Events and Mortality in Simvastatin Treated Patients of 4S. (external link)
-
Svetlana Konstantinova; Grethe S Tell; Stein Emil Vollset
et al. (2007). Components of the metabolic syndrome and other cardiovascular risk factors as predictors of plasma choline and betaine. (external link)
-
Åse Fredriksen; Klaus Meyer; Jørn Schneede
et al. (2005). Effects of polymorphisms in genes related to the folate and homocysteine metabolism in a Norwegian population. (external link)
-
Stein Emil Vollset; Lorentz Irgens; Anne Lise Bjørke-Monsen
et al. (1997). Total plasma homocysteine and previous occurrence of congenital malformations: The Hordaland Homocysteine Study. (external link)
-
O. Nygård; Helge Refsum; John Kjekshus
et al. (2002). Total homocysteine levels predicts major coronary events and mortaliy in simvastatin treated patients of 4S. (external link)
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Birgitte Stiksrud; Kristina Berg Lorvik; Dag Kvale
et al. (2015). Plasma Interferon-inducible Protein 10 Levels, T-cell Activation and Regulation are Increased in HIV Immunological Non-Responders. (external link)
-
Tor A Strand; Sunita Taneja; Nita Bhandari
et al. (2005). Folate, but not cobalamin status predicts respiratory morbidity in north Indian children. (external link)
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Halvor Sommerfelt; Sunita Taneja; Tor A Strand
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)
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Ottar Nygård; Helga Refsum; Per Magne Ueland
et al. (1997). Plasma homocystein og livsstil. Resultater fra Homocysteinundersøkelsen i Hordaland 1992-1993. [Poster]. (external link)
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Ottar Nygård; Jan Erik Nordrehaug; Helga Refsum
et al. (1997). Plasma homocysteine predicts mortality in coronary artery diseased patients. (external link)
Doctoral thesis (PhD)
Academic book chapter
Letter to the editor
Media feature article
Non-fiction monograph
Conference abstract
Academic literature review
See a complete overview of publications in NVA.