Professor 

Interview

• Lied, Gülen Arslan; Tovan, Anders Ihle (2025). Nye funn om ulcerøs kolitt og Crohns sykdom: Dette kan hjelpe mot plagene. (external link)
• Lied, Gülen Arslan; Reikerås, Mariann; Ågotnes, Tony (2024). Gluten, cøliaki og gluten relaterte tilstander. (external link)
• Lied, Gülen Arslan (2022). People who remained sick long after their COVID-19 infection often had alterations in their intestinal bacteria. (external link)
• Lied, Gülen Arslan; Spilde, Ingrid (2022). De som var lenge syke etter covid-19, hadde ofte forstyrrelser i tarm­bakteriene. (external link)
• Lied, Gülen Arslan; Zinöcker, Marit; Lorenzen, Sissi Stove et al. (2021). Et kaos av dietter - Hva er den beste dietten for oss med fordøyelsesssykdommer?. (external link)
• Lied, Gülen Arslan; Nordahl, Marianne (2021). Matallergier har økt dramatisk. Nå kommer forskere med en ny teori om hvorfor. (external link)
• Lied, Gülen Arslan; Hagen, Amalie Nord (2020). Eksperter kaller matintoleranse­tester for svindel. Ina (26) fikk påvist intoleranse hun ikke hadde. (external link)
• Lied, Gülen Arslan; Abrahamsen, Thomas Martin (2020). Kronprins Haakons forskningspris til Haukelandforsker. (external link)
• Lied, Gülen Arslan; Hagerup, Ingrid (2020). Astma- og allergipris til Gülen Arslan Lied. (external link)
• Lied, Gülen Arslan; Fry, Ingrid Rise (2020). Forskningsprisvinner er ledende på matallergi og intoleranser. (external link)
• Dale, Hanna Fjeldheim; Lied, Gülen Arslan (2019). Probiotika kan hjelpe på magetrøbbel. (external link)
• Lied, Gülen Arslan; Hagerup, Ingrid (2019). IBS-pasienter ble bedre i magen etter bæsj-transplantasjon. (external link)
• Dale, Hanna Fjeldheim; Rasmussen, Stella Hellgren; Lied, Gülen Arslan (2019). Probiotika kan hjelpe på magetrøbbel. (external link)
• Dale, Hanna Fjeldheim; Lied, Gülen Arslan (2018). Glutenstøtten kan bli kraftig redusert. (external link)
• Dale, Hanna Fjeldheim; Lied, Gülen Arslan (2018). Nina Kristiansen utelater et viktig budskap om vår forskning på glutensensitivitet. (external link)
• Lied, Gülen Arslan; Dale, Hanna Fjeldheim; Hagerup, Ingrid (2018). Mente selv at de ikke tålte gluten, men ble ikke verre av å spise gluten. (external link)
• Hustoft, Tonje; Lied, Gülen Arslan (2016). Studerte placebo-effekten ved kosthold. (external link)
• Malini Gaare, Bjørnstad; Lied, Gülen Arslan (2015). Slik får du fart på magen. (external link)
• Holmås, Randi; Lied, Gülen Arslan (2014). Karrierevegar sentralt på Orpheus-konferansen 2014. (external link)
• Kristine, Askvik; Berstad, Aud K Herland; Lied, Gülen Arslan et al. (2014). Spesialistfront mot allergi. (external link)
• Lied, Gülen Arsland (2012). Matallergi. Diagnostisk manuel for voksne (DM voksen). (external link)

Academic article

• Lundervold, Arvid; Bjørsvik, Ben René; Billing, Julie Eirin et al. (2025). Brain Morphometry and Cognitive Features in the Prediction of Irritable Bowel Syndrome. (external link)
• Starke, Alain Dominique; Dierkes, Jutta; Lied, Gülen Arslan et al. (2025). Supporting healthier food choices through AI-tailored advice: A research agenda. (external link)
• Lundervold, Astri J. ; Billing, Julie Eirin; Jacobsen, Birgitte Berentsen et al. (2024). Decoding IBS: a machine learning approach to psychological distress and gut-brain interaction. (external link)
• Randulff Hillestad, Eline Margrethe; Steinsvik, Elisabeth Kjelsvik; Teige, Erica Sande et al. (2024). Nutritional safety and status following a 12-week strict low FODMAP diet in patients with irritable bowel syndrome. (external link)
• Jensen, Caroline; Sommersten, Cathrine Horn; Laupsa-Borge, Johnny et al. (2024). Quality and quantity of carbohydrates, faecal short-chain fatty acids and gastrointestinal symptoms– results from a randomised, controlled trial (CARBFUNC). (external link)
• Teige, Erica Sande; Randulff Hillestad, Eline Margrethe; Steinsvik, Elisabeth Kjelsvik et al. (2024). Fecal bacteria and short-chain fatty acids in irritable bowel syndrome: relations to subtype. (external link)
• Haleem, Noman; Lundervold, Astri J. ; Lied, Gülen Arslan et al. (2023). A psychological symptom based machine learning model for clinical evaluation of irritable bowel syndrome. (external link)
• Bubeck, Alena M.; Urbain, Paul; Horn, Cathrine et al. (2023). High-fat diet impact on intestinal cholesterol conversion by the microbiota and serum cholesterol levels. (external link)
• Horn, Cathrine; Gjerde, Eirin Semb; Laupsa-Borge, Johnny et al. (2023). Relationship between Ketones, Ghrelin, and, Appetite on Isocaloric Diets with Varying Carbohydrate Quality and Amount: Results from a Randomized Controlled Trial in People with Obesity (CARBFUNC). (external link)
• Lundervold, Astri J. ; Randulff Hillestad, Eline Margrethe; Lied, Gülen Arslan et al. (2023). Assessment of Self-Reported Executive Function in Patients with Irritable Bowel Syndrome Using a Machine-Learning Framework. (external link)
• Billing, Julie Eirin; Jacobsen, Birgitte Berentsen; Lundervold, Arvid et al. (2023). Cognitive function in patients with irritable bowel syndrome: impairment is common and only weakly correlated with depression/anxiety and severity of gastrointestinal symptoms. (external link)
• Ballance, Simon; Mæhre, Hanne Kirsti; Rieder, Anne et al. (2022). The solution properties of galactomannan after simulated digestion of guar fortified bread predict the extent of postprandial insulin reduction in healthy adult overweight subjects. (external link)
• Jensen, Caroline; Antonsen, Marie Fagervik; Lied, Gülen Arslan (2022). Gut microbiota and fecal microbiota transplantation in patients with food allergies: A systematic review. (external link)
• Toto, Benuarda; Refosco, Alice; O'Keeffe, Maria et al. (2022). Intestinal permeability and gene expression after polyethylene and polyamide microplastic ingestion in Wistar rats. (external link)
• Mazzawi, Tarek; Hausken, Trygve; Refsnes, Per Førde et al. (2022). The Effect of Anaerobically Cultivated Human Intestinal Microbiota Compared to Fecal Microbiota Transplantation on Gut Microbiota Profile and Symptoms of Irritable Bowel Syndrome, a Double-Blind Placebo-Controlled Study. (external link)
• Kleppe, Malin Mandelid; Brønstad, Ingeborg; Lied, Gülen Arslan et al. (2022). Intestinal barrier integrity in anorexia nervosa (a pilot study). (external link)
• Mazzawi, Tarek; El-Salhy, Magdy; Lied, Gülen Arslan et al. (2021). The Effects of Fecal Microbiota Transplantation on the Symptoms and the Duodenal Neurogenin 3, Musashi 1, and Enteroendocrine Cells in Patients With Diarrhea-Predominant Irritable Bowel Syndrome. (external link)
• Dale, Hanna Fjeldheim; Johannessen, Julianne Cecilie Høibak; Brønstad, Ingeborg et al. (2021). Assessment of markers of gut integrity and inflammation in non-celiac gluten sensitivity after a gluten free-diet. (external link)
• Jensen, Caroline; Dale, Hanna Fjeldheim; Hausken, Trygve et al. (2020). The effect of supplementation with low doses of a cod protein hydrolysate on satiety hormones and inflammatory biomarkers in adults with metabolic syndrome: A randomized, double-blind study. (external link)
• Kessler, Ute; Rekkedal, Guro Årdal; Rø, Øyvind et al. (2020). Association between gastrointestinal complaints and psychopathology in patients with anorexia nervosa. (external link)
• Mazzawi, Tarek; Eikrem, Øystein Solberg; Lied, Gülen Arslan et al. (2020). Abnormal Uroguanylin Immunoreactive Cells Density in the Duodenum of Patients with Diarrhea-Predominant Irritable Bowel Syndrome Changes following Fecal Microbiota Transplantation . (external link)
• Jensen, Caroline; Dale, Hanna Fjeldheim; Hausken, Trygve et al. (2020). Supplementation with low doses of a cod protein hydrolysate on glucose regulation and lipid metabolism in adults with metabolic syndrome: A randomized, double-blind study. (external link)
• Berentsen, Birgitte; Nagaraja, Bharath Halandur; Teige, Erica Persson et al. (2020). Study protocol of the Bergen brain-gut-microbiota-axis study: A prospective case-report characterization and dietary intervention study to evaluate the effects of microbiota alterations on cognition and anatomical and functional brain connectivity in patients with irritable bowel syndrome. (external link)
• Dale, Hanna Fjeldheim; Madsen, Lise; Lied, Gülen Arslan (2019). Fish-derived proteins and their potential to improve human health. (external link)
• Dale, Hanna Fjeldheim; Jensen, Caroline; Hausken, Trygve et al. (2019). Acute effect of a cod protein hydrolysate on postprandial acylated ghrelin concentration and sensations associated with appetite in healthy subjects: a double-blind crossover trial. (external link)
• Mazzawi, Tarek; Hausken, Trygve; Hov, Johannes Espolin Roksund et al. (2019). Clinical response to fecal microbiota transplantation in patients with diarrhea-predominant irritable bowel syndrome is associated with normalization of fecal microbiota composition and short-chain fatty acid levels. (external link)
• Lied, Gülen Arslan; Lund, Kjetil B.; Storaas, Torgeir (2019). Intraoperative anaphylaxis to gelatin-based hemostatic agents: a case report. (external link)
• Dale, Hanna Fjeldheim; Jensen, Caroline; Hausken, Trygve et al. (2019). Effects of a Cod Protein Hydrolysate Supplement on Symptoms, Gut Integrity Markers and Fecal Fermentation in Patients with Irritable Bowel Syndrome. (external link)
• Jensen, Caroline; Dale, Hanna Fjeldheim; Hausken, Trygve et al. (2019). Supplementation with cod protein hydrolysate in older adults: A dose range cross-over study. (external link)
• Vara, Ellen Johanne; Brokstad, Karl Albert; Hausken, Trygve et al. (2018). Altered levels of cytokines in patients with irritable bowel syndrome are not correlated with fatigue. (external link)
• Valeur, Jørgen; Småstuen, Milada C; Knudsen, Torunn et al. (2018). Exploring gut microbiota composition as an indicator of clinical response to dietary FODMAP restriction in patients with irritable bowel syndrome. (external link)
• Dale, Hanna Fjeldheim; Hatlebakk, Jan Gunnar; Hovdenak, Nils et al. (2018). The effect of a controlled gluten challenge in a group of patients with suspected non-coeliac gluten sensitivity: A randomized, double-blind placebo-controlled challenge. (external link)
• Larsen, Trine; Hausken, Trygve; Ystad, Synne Otteraaen et al. (2018). Does the low FODMAP diet improve symptoms of radiation-induced enteropathy? A pilot study. (external link)
• Dale, Hanna Fjeldheim; Jensen, Caroline; Hausken, Trygve et al. (2018). Effect of a cod protein hydrolysate on postprandial glucose metabolism in healthy subjects: A double-blind cross-over trial. (external link)
• Mazzawi, Tarek; Lied, Gülen Arslan; Sangnes, Dag André et al. (2018). The kinetics of gut microbial community composition in patients with irritable bowel syndrome following fecal microbiota transplantation. (external link)
• Hustoft, Tonje Nesvik; Hausken, Trygve; Ystad, Synne Otteraaen et al. (2017). Effects of varying dietary content of fermentable short-chain carbohydrates on symptoms, fecal microenvironment, and cytokine profiles in patients with irritable bowel syndrome. (external link)
• Lied, Gülen Arslan (2017). Red meat allergy induced by tick bites: A Norwegian case report. (external link)
• Storlid, Eline Lundekvam; Hausken, Trygve; Lied, Gülen Arslan et al. (2017). Gastric accommodation in healthy subjects studied by ultrasound, manometry, and impedancemetry. (external link)
• Vara, Ellen Johanne; Valeur, Jørgen; Hausken, Trygve et al. (2016). Extra-intestinal symptoms in patients with irritable bowel syndrome: related to high total IgE levels and atopic sensitization?. (external link)
• Vara, Ellen Johanne; Svanes, Cecilie; Skorge, Trude Duelien et al. (2016). Functional gastrointestinal symptoms are associated with higher serum total IgE levels, but less atopic sensitization. (external link)
• Lied, Gülen Arslan (2014). Indication of immune activation in patients with perceived food hypersensitivity. (external link)
• Lied, Gülen Arslan; Chen, Jian; Reikvam, Håkon (2013). Forskningsveiledning - en av de essensielle faktorene på «veien til doktorgrad». (external link)
• Bjørndal, Bodil; Grimstad, Tore; Cacabelos, Daniel et al. (2013). Tetradecylthioacetic acid attenuates inflammation and has antioxidative potential during experimental colitis in rats. (external link)
• Lied, Gülen Arslan; Milde, Anne Marita; Nylund, Kim et al. (2012). Increased wall thickness using ultrasonography is associated with inflammation in an animal model of experimental colitis. (external link)
• Gregersen, Kine; Valeur, Jørgen; Lillestøl, Kristine et al. (2011). Subjective food hypersensitivity: assessment of enterochromaffin cell markers in blood and gut lavage fluid. (external link)
• Lied, Gülen Arsland; Vogelsang, Petra; Berstad, Arnold et al. (2011). Dendritic cell populations in patients with self-reported food hypersensitivity. (external link)
• Gregersen, Kine; Lind, Ragna; Valeur, Jørgen et al. (2010). Duodenal administered seal oil for patients with subjective food hypersensitivity: an explorative open pilot study. (external link)
• Lind, Ragna; Lillestøl, Kristine; Valeur, Jørgen et al. (2010). Job stress and coping strategies in patients with subjective food hypersensitivity. (external link)
• Lind, Ragna; Lied, Gülen Arsland; Lillestøl, Kristine et al. (2010). Do psychological factors predict symptom severity in patients with subjective food hypersensitivity?. (external link)
• Lied, Gülen Arsland; Lillestøl, Kristine; Valeur, Jørgen et al. (2010). Intestinal B cell-activating factor: an indicator of non-IgE mediated hypersensitivity reactions to food?. (external link)
• Lillestøl, Kristine; Helgeland, Lars Inge; Lied, Gülen Arsland et al. (2010). Indications of 'atopic bowel' in patients with self-reported food hypersensitivity. (external link)
• Lillestøl, Kristine; Berstad, Arnold; Lind, Ragna et al. (2010). Anxiety and depression in patients with self-reported food hypersensitivity. (external link)
• Nylund, Kim; Ødegaard, Svein; Hausken, Trygve et al. (2009). Sonography of the small intestine. (external link)
• Ng, Siew; Lied, Gülen Arsland; Arebi, Naila et al. (2009). Clinical and surgical recurrence of Crohn`s diases after ileocolonic resection in a specialist unit. (external link)
• Ng, Siew; Lied, Gülen Arsland; Kamm, Micheal et al. (2009). Predictive value and clinical significance of myenteric plexitis in Crohn`s disease. (external link)
• Gregersen, Kine; Lind, Ragna; Bjørkkjær, Tormod et al. (2008). Effects of seal oil on meal-induced symptoms and gastric accommodation in patients with subjective food hypersensitivity. A pilot study. (external link)
• Lind, Ragna; Olafsson, Snorri; Hjelland, Ina et al. (2008). Lifestyle of patients with self-reported food hypersensitivity differ little from controls. (external link)
• Brunborg, Linn Anne; Madland, TM; Lind, Ragna et al. (2008). Effects of short-term oral administration of dietary marine oils in patients with inflammatory bowel disease and joint pain: A pilot study comparing seal oil and cod liver oil. (external link)
• Arslan, Gülen; Erichsen, Kari; Milde, Anne Marita et al. (2007). No Protection against DSS-induced Colitis by Short-term Pretreatment with Seal or Fish Oils in Rats. (external link)
• Bjørkkjær, Tormod; Brun, Johan G; Valen, Merete et al. (2006). Short-term duodenal seal oil administration normalised n-6 to n-3 fatty acid ratio in rectal mucosa and ameliorated bodily pain in patients with inflammatory bowel disease. (external link)
• Arslan, Gülen; Lillestøl, Kristine; Mulahasanovic, Arna et al. (2006). Food Hypersensitivity Reactions Visualised by Ultrasonography and Magnetic Resonance Imaging in a Patient Lacking Systemic Food-Specific IgE. (external link)
• Lind, Ragna Anne; Arslan, Gülen; Eriksen, Hege Randi et al. (2005). Subjective health complaints and modern health worries in patients with subjective food hypersensitivity. (external link)
• Erichsen, Kari; Milde, Anne Marita; Arslan, Gülen et al. (2005). Low-dose oral ferrous fumarate aggravated intestinal inflammation in rats with DSS-induced colitis. (external link)
• Milde, Anne Marita; Arslan, Gülen; Overmier, James Bruce et al. (2005). An acute stressor enhances sensitivity to a chemical irritant and increases 51-CrEDTA permeability of the colon in adult rats. (external link)
• Lied, Gülen Arsland (2005). Gastrointestinal matoverfølsomhet – et økende problem i befolkningen. (external link)
• Lied, Gülen Arsland; Lind, Ragna; Florvaag, Erik et al. (2005). Berstad A. Matoverfølsomhet hos voksne – nye studier om mulige årsaker. (external link)
• Berstad, Arnold; Arslan, Gülen; Lind, Ragna Anne et al. (2005). Food hypersensitivity-immunologic (peripheral) or cognitive (central) sensitisation?. (external link)
• Arslan, Gülen; Gilja, Odd Helge; Lind, Ragna Anne et al. (2005). Response to intestinal provocation monitored by transabdominal ultrasound in patients with food hypersensitivity. (external link)
• Arslan, Gülen; Lind, Ragna Anne; Florvaag, Erik et al. (2005). Gastrointestinal matoverfølsomhet hos voksne - nye studier om mulige årsaker. (external link)
• Lied, Gülen Arsland; Lind, Ragna; Olafsson, Snorri et al. (2004). Quality of life in patients with subjective food hypersensitivity: Applicability of the 10-item short form of the Nepean Dyspepsia Index. (external link)
• Lied, Gülen Arsland; Kahrs, Gudrun Elise; Lind, Ragna et al. (2004). Patients with subjective food hypersensitivity: The value of analysing intestinal permeability and inflammation markers in gut lavage fluid. (external link)
• Bjørkkjær, Tormod; Brunborg, Linn Anne; Lied, Gülen Arsland et al. (2004). Reduced joint pain after short-term duodenal administration of seal oil in patients with inflammatory bowel disease: comparison with soy oil. (external link)
• Milde, Anne Marita; Arslan, Gülen; Roseth, Arne et al. (2003). Intestinal permeability and faecal granulocyte marker protein in dextran sulphate sodium - induced colitis in rats. (external link)
• Lied, Gülen Arsland; Brunborg, Linn Anne Bjelland; Frøyland, Livar et al. (2002). Effects of duodenal seal oil administration in patients with inflammatory bowel disease. (external link)
• Lied, Gülen Arsland; Ødegaard, Svein; Elsayed, Said et al. (2002). Food allergy and intolerance: response to intestinal provocation monitored by endosonography. (external link)
• Lied, Gülen Arsland; Cindoruk, Mehmet; Ulkar, Gul Bahar et al. (2001). Serum eosinophilic cationic protein: A marker of eosinophilic infiltration in inflammatory bowel disease?. (external link)
• Lied, Gülen Arsland; Atasever, Tamer; Cindoruk, Mehmet et al. (2001). 51CrEDTA colonic permeability and therapy response in ulcerative colitis. (external link)
• Lied, Gülen Arsland; Cindoruk, Mehmet; Atasever, Tamer et al. (2000). Assessment of intestinal permeability using 51CrEDTA in inflammatory bowel disease. (external link)
• Berstad, Arnold; Lied, Gülen Arsland; Folvik, Geir (2000). Relationship between intestinal permeability and calprotectin concentration in gut lavage fluid. (external link)

Poster

• Meeren, Aina van der; Appel, Silke; Lied, Gülen Arslan et al. (2024). Mapping of the duodenal mucosal microenvironment in iriitabel bowel syndrome with imaging mass cytometry. (external link)
• Jensen, Caroline; Martinsen, Tilde Kristine; Valeur, Jørgen et al. (2024). Gastrointestinal symptoms and associations with faecal SCFAs and dietary intake in older adults - results from the Hordaland Health Studie 3. (external link)
• Jensen, Caroline; Mellgren, Gunnar; Dankel, Simon N et al. (2024). Quality and quantity of carbohydrates, fecal SCFAs and gastrointestinal symptoms - results from a RCT (CARBFUNC). (external link)
• Teig, Erica; Hillestad, Eline; Bronstad, Ingeborg et al. (2023). Bergen Braingut Study: Changes in Functional Bacterial Profile and Dysbiosis in Patients with IBS Following a Strict 12-Week Low Fodmap Diet . (external link)
• Teig, Erica; Hillestad, Eline; Brønstad, Ingeborg et al. (2023). Bergen BrainGut study: Assessment of Gut Integrity Markers and Tight Junction Proteins and their Changes Following a 12-week Strict Low FODMAP Diet in Patients with Irritable Bowel Syndrome. (external link)
• Teig, Erica; Hillestad, Eline; Brønstad, Ingeborg et al. (2023). BERGEN BRAINGUT STUDY: CHANGES IN GUT INTEGRITY MARKERS AND TIGHT JUNCTION PROTEINS IN PATIENTS WITH IRRITABLE BOWEL SYNDROME FOLLOWING A 12-WEEK STRICT LOW FODMAP DIET . (external link)
• Van Der Meeren, Aina; Appel, Silke; Lied, Gülen Arslan et al. (2023). Bergen BrainGut study: diagnostic gut biomarkers in irritable bowel syndrome with imaging mass cytometry. (external link)
• Hillestad, Eline; Teig, Erica; Steinsvik, Elisabeth Kjelsvik et al. (2023). Nutritional adequacy and biochemical status after a 12-week strict low FODMAP diet in patients with irritable bowel syndrome . (external link)
• Billing, Julie Eirin; Jacobsen, Birgitte Berentsen; Lundervold, Arvid et al. (2023). Cognitive function in patients with irritable bowel syndrome: impairment is common and only weakly correlated with depression/anxiety and severity of gastrointestinal symptoms. (external link)
• Randulff Hillestad, Eline Margrethe; Teige, Erica Sande; Steinsvik, Elisabeth Kjelsvik et al. (2023). Nutritional adequacy and biochemical status after a 12-week strict low FODMAP diet in patients with irritable bowel syndrome . (external link)
• Meeren, Aina van der; Appel, Silke; Lied, Gülen Arslan et al. (2023). Diagnostic gut biomarkers with imaging mass cytometry in irritable bowel syndrome. (external link)
• Teige, Erica Sande; Hillestad, EM; Steinsvik, Elisabeth Kjelsvik et al. (2022). Bergen Braingut Study: Relations between fecal microbiota profile and its metabolites (short-chain fatty acids) and symptoms in irritable bowel syndrome. (external link)
• Toto, Benuarda; O`Keefe, Maria; Barkhald, Øyvind et al. (2020). Effects of orally ingested microplastics in rats as a model organism: preliminary results . (external link)
• Hillestad, Eline Margrete Randulff; Berentsen, Birgitte; Lied, Gülen Arslan (2019). Evaluation of a tertiary, multidisciplinary outpatient clinic for irritable bowel syndrome. (external link)
• Pittman, Karin; Bjørndal, Bodil; Lied, Gülen Arslan (2019). Quantified Mucosal Gut Health: hiding in plain sight. (external link)
• Hillestad, Eline; Lied, Gülen Arslan; Steinsvik, Elisabeth Kjelsvik et al. (2019). Evaluation of a tertiary, multidisciplinary outpatient clinic for irritable bowel syndrome. (external link)
• Berentsen, Birgitte; Bharath, HN; Lundervold, Astrid et al. (2019). Brain-Gut-Microbiota Interaction in Irritable Bowel Syndrome: A Multidimensional Approach . (external link)
• Mazzawi, Tarek; Lied, Gülen Arslan; Hov, Johannes Espolin Roksund et al. (2018). Correlations between gut microenvironment and symptoms in patients with diarrhea-predominant irritable bowel syndrome. (external link)
• Mazzawi, Tarek; Lied, Gülen Arslan; Hov, Johannes Espolin Roksund et al. (2018). Effects of faecal microbiota transplantation on gut microenvironment and symptoms in patients with irritable bowel syndrome. (external link)
• Jensen, Caroline; Dale, Hanna Fjeldheim; Hausken, Trygve et al. (2018). The effect of a cod protein hydrolysate on postprandial glucose metabolism in healthy subjects. (external link)
• Mazzawi, Tarek; Valeur, Jørgen; Hausken, Trygve et al. (2017). Effect of faecal microbiota transplantation on gut bacterial fermentation products in patients with irritable bowel syndrome. (external link)
• Mazzawi, Tarek; El-Salhy, Magdy; Lied, Gülen Arslan et al. (2017). Effect of faecal microbiota transplantation on Neurogenin 3, Musahsi 1 and enteroendocrine cells in the duodenum of patients with irritable bowel syndrome. (external link)
• Dale, Hanna Fjeldheim; Hatlebakk, Jan Gunnar; Hovdenak, Nils et al. (2017). The effect of a controlled gluten challenge in patients with suspected non-coeliac gluten sensitivity: A randomized, double-blind placebo-controlled challenge. (external link)
• Larsen, Trine; Hausken, Trygve; Ystad, Synne Otteraaen et al. (2017). Low FODMAP diet improves symptoms and quality of life in patients with radiation-induced small bowel disease: A pilot study. (external link)
• Hustoft, Tonje; Hausken, Trygve; Ystad, Synne Otteraaen et al. (2016). Low FODMAP diet alters symptoms, microbiota, short-chain fatty acids and cytokine profiles in patients with IBS: A randomized controlled trial. (external link)
• Hustoft, Tonje; Hausken, Trygve; Ystad, Synne Otteraaen et al. (2016). Low versus high FODMAP diet in patients with irritable bowel syndrome. (external link)
• Hustoft, Tonje; Hausken, Trygve; Ystad, Synne Otteraaen et al. (2016). Low FODMAP diet – just placebo? Low versus high FODMAP diet in patients with irritable bowel syndrome. (external link)
• Lied, Gülen Arslan; Chen, Jian; Reikvam, Håkon (2014). The Role of Research Supervision on Doctoral Degree. (external link)
• Vaali, Kirsi Kaarina; Jarhn, Benedicte; Lied, Gülen Arsland et al. (2012). Intestinal cleansing and vegan diet as a novel modality for treatment of irritable bowel syndrome (IBS). (external link)
• Lind, Ragna; Lied, Gülen Arsland; Lillestøl, Kristine et al. (2010). Do psychological factors explain symptom severity in patients with subjective food hypersensitivity?. (external link)
• Lied, Gülen Arsland; Lillestøl, Kristine; Valeur, Jørgen et al. (2010). Potential role of B-cell activating factor (BAFF) in non-IgE-mediated hypersensitivity reactions to food. (external link)
• Lillestøl, Kristine; Helgeland, Lars Inge; Florvaag, Erik et al. (2009). Indications of "atopic bowel" in patients with irritable bowel syndrome. (external link)
• Lied, Gülen Arsland; Lillestøl, Kristine; Valeur, Jørgen et al. (2009). Potential role of B-cell activating factor in non-IgE-mediated hypersensitivity reactions to food. (external link)

Popular scientific lecture

• Lied, Gülen Arslan (2024). Matoverfolsømhet og gluten-relaterte lidelser. (external link)
• Lied, Gülen Arslan (2019). Gluten intolerance, food allergy and irritable bowel syndrome. (external link)
• Lied, Gülen Arslan (2015). Food intolerance and gastrointestinal complaints. (external link)
• Lied, Gülen Arsland; Milde, Anne Marita; Nylund, Kim et al. (2011). A comparison between DSS- and TNBS induced colitis in rats on ultrasonographic intestinal changes: a pilot study. (external link)

Academic lecture

• Lied, Gülen Arslan (2024). Rollen til tarmmikrobiotika og hudaksen ved hudsykdommer – Er det en sammenheng mellom hudsykdommer og mage-tarmproblematikk ?. (external link)
• Frostad, Stein; Lied, Gülen Arslan (2024). Gut microbiota transplantation by gastroscopy in anorexia nervosa. (external link)
• Hillestad, Eline; Rasmussen, Stella Hellgren; Lied, Gülen Arslan et al. (2023). The effect of following a 12-week strict low FODMAP diet on clinical biochemistry status, nutritional adequacy and symptom relief in patients with Irritable Bowel Syndrome:The Bergen Brain Gut Study . (external link)
• Johnsen, TE; Hillestad, Eline; Kjelsvik, Elisabeth et al. (2023). Redusert eksekutiv funksjon hos pasienter med IBS. (external link)
• Lied, Gülen Arslan (2022). Irritabel bowel syndrome - interdisciplinary treatment options. (external link)
• Lied, Gülen Arslan (2022). Brain-Gut-Microbiota Interactions in IBS (Bergen BrainGut study). (external link)
• Lied, Gülen Arslan (2022). Gut Microbiota and Dysbiosis in IBS. (external link)
• Lied, Gülen Arslan (2021). Alpha-Gal (kjøttallergi) og gelatin allergi. (external link)
• Lied, Gülen Arslan (2021). Therapeutiske veier ved dysbiose. (external link)
• Lied, Gülen Arslan (2021). Therapeutic Approaches against Dysbiosis. (external link)
• Lied, Gülen Arslan (2021). What is New in the Treatment of Celiac Disease?. (external link)
• Teige, Eirik Persson; Hillestad, Eline Margrete Randulff; Berentsen, Birgitte et al. (2021). Kort- og langtidseffekten av lav FODMAP-dietten på symptomer og kortkjedede fettsyrer hos pasienter med irritabel tarmsyndrom. (external link)
• Lied, Gülen Arslan (2020). Non-celiac gluten sensitivity and the spectrum of the gluten related disorders. (external link)
• Teige, Erica Persson; Berentsen, Birgitte; Brønstad, Ingeborg et al. (2020). Short and extended effects of a low FODMAP diet on symptoms and short-chained fatty acids in patients with irritable bowel syndrome. (external link)
• Teig, Erica; Berentsen, Birgitte; Hausken, Trygve et al. (2020). Kort- og langtidseffekten av lavFODMAP-diett på symptomer og mikrobiota hos pasienter med IBS . (external link)
• Lied, Gülen Arslan (2020). Therapeutic Approaches for Dysbiosis. (external link)
• Hillestad, Eline M R; Lied, Gülen Arslan; Steinsvik, Elisabeth Kjelsvik et al. (2020). Kvalitetsevaluering av tverrfaglig IBS-poliklinikk . (external link)
• Lied, Gülen Arslan (2019). Non-Coeliac Gluten Sensitivity And The Spectrum Of Gluten-Related Disorders: An Updated Overview. (external link)
• Lied, Gülen Arslan (2019). Gut microbiota and therapeutic approaches for dysbiosis: Recent developments and future perspectives. (external link)
• Lied, Gülen Arslan (2019). Matallergi og intoleranser. (external link)
• Lied, Gülen Arslan (2019). Non-coeliac gluten sensitivity and the spectrum of gluten-related disorders. (external link)
• Lied, Gülen Arslan (2019). Irritabel bowel syndrome - interdisciplinary treatment options . (external link)
• Berentsen, Birgitte; Kristianslund, Camilla; Lied, Gülen Arslan et al. (2019). Mage-tarmskolen – tverrfaglig internetbehandling ved Irritabel tarmsyndrom . (external link)
• Mazzawi, Tarek; Hausken, Trygve; Hov, Johannes Espolin Roksund et al. (2019). Effect of faecal microbiota transplantation on gut microenvironment and symptoms in patients with irritable bowel syndrome. (external link)
• Lied, Gülen Arslan (2019). Gut microbiota and therapeutic approaches for dysbiosis. (external link)
• Lied, Gülen Arslan (2018). Is non-celiac gluten sensitivity out?. (external link)
• Lied, Gülen Arslan (2018). Microbiota 2018. (external link)
• Lied, Gülen Arslan (2018). Fecal Microbiota transplantation. (external link)
• Lied, Gülen Arslan (2017). An Overview of Gluten-Related Disorders. (external link)
• Lied, Gülen Arslan (2017). An overview of potential pathophysiological mechanisms in food hypersensitivity. (external link)
• Valeur, Jørgen; Småstuen, Milada C; Knudsen, Torunn et al. (2017). Microbial DNA markers associated with response to a low FODMAP diet in patients with irritable bowel syndrome. (external link)
• Hustoft, Tonje; Hausken, Trygve; Ystad, Synne Otteraaen et al. (2016). Low FODMAP diet alters symptoms, microbiota, short-chain fatty acids and cytokine profiles in patients with IBS: A randomized controlled trial. (external link)
• Lied, Gülen Arslan (2016). Digestive Health - the role of protein nutrition on gut microbiota and the pathogenesis of gastrointestinal disorders?. (external link)
• Hustoft, Tonje; Hausken, Trygve; Ystad, Synne Otteraaen et al. (2016). Low FODMAP diet alters symptoms, microbiota, short-chain fatty acids and cytokine profiles in patients with IBS: A randomized controlled trial. (external link)
• Hanitz, Lina Mari Torheim; Vara, Ellen; Hausken, Trygve et al. (2015). Intestinal permeabilitet hos friske personer etter inntak av NSAIDs: en pilotstudie. (external link)
• Lied, Gülen Arslan (2013). Veien til doktorgraden: Forskningsveiledning. (external link)
• Lied, Gülen Arsland (2012). Matoverfølsomhet. (external link)
• Grimstad, Tore; Nylund, Kim; Lied, Gülen Arsland et al. (2011). Ultrasonographic evaluation of DSS-induced colitis in rats after dietary intake of a modified thia fatty acid. (external link)
• Lied, Gülen Arsland (2010). Potential Role of B Cell-Activating Factor (BAFF) in Non-IgE-mediated Hypersensitivity Reactions to Food. (external link)
• Lied, Gülen Arsland (2009). Potential Role of B Cell-Activating Factor (BAFF) in Non-IgE-mediated Hypersensitivity Reactions to Food. (external link)
• Lillestøl, Kristine; Valeur, Jørgen; Helgeland, Lars Inge et al. (2009). Indications of `atopic bowel` in patients with irritable bowel syndrome (IBS). (external link)
• Lied, Gülen Arsland (2006). Intestinal Food Hypersensitivity. (external link)
• Bjørkkjær, Tormod; Brunborg, Linn Anne Bjelland; Arslan, Gülen et al. (2005). Effekt av selolje vs soyaolje på leddsmerter ved inflammatorisk tarmsykdom. (external link)
• Berstad, Arnold; Lied, Gülen Arsland; Folvik, Geir et al. (1998). Correlation between intestinal permeability and luminal calprotectin concentration. (external link)

Academic literature review

• Teige, Erica Sande; Sortvik, Urd; Lied, Gülen Arslan (2024). A Systematic Review: Fecal Bacterial Profile in Patients with Irritable Bowel Syndrome Analyzed with the GA-Map Dysbiosis Test Based on the 16S rRNA Gene of Bacterial Species or Groups. (external link)
• Hillestad, Eline Margrete Randulff; van der Meeren, Aina; Nagaraja, Bharath Halandur et al. (2022). Gut bless you: The microbiota-gut-brain axis in irritable bowel syndrome. (external link)
• Dale, Hanna Fjeldheim; Lied, Gülen Arslan (2020). Gut microbiota and therapeutic approaches for dysbiosis in irritable bowel syndrome: recent developments and future perspectives. (external link)
• Johannesen, Christina Osland; Dale, Hanna Fjeldheim; Jensen, Caroline et al. (2020). Effects of plant-based diets on outcomes related to glucose metabolism: A systematic review. (external link)
• Transeth, Elin Lund; Dale, Hanna Fjeldheim; Lied, Gülen Arslan (2020). Comparison of gut microbiota profile in celiac disease, non-celiac gluten sensitivity and irritable bowel syndrome: A systematic review. (external link)
• Tran, Elisabeth; Dale, Hanna Fjeldheim; Jensen, Caroline et al. (2020). Effects of plant-based diets on weight status: A systematic review. (external link)
• Dale, Hanna Fjeldheim; Rasmussen, Stella Hellgren; Asiller, Özgün Ömer et al. (2019). Probiotics in irritable bowel syndrome: An up-to-date systematic review. (external link)
• Dale, Hanna Fjeldheim; Biesiekierski, Jessica R.; Lied, Gülen Arslan (2018). Non-coeliac gluten sensitivity and the spectrum of gluten-related disorders: an updated overview. (external link)
• Lied, Gülen Arslan (2017). An overview of potential pathophysiological mechanisms in food hypersensitivity. (external link)
• Lied, Gülen Arslan (2014). Spekter av gluten-relaterte lidelser. (external link)
• Lied, Gülen Arslan (2014). Immunsystemets rolle ved selvrapportert matoverfølsomhet. (external link)
• Lied, Gülen Arsland; Berstad, Arnold (2011). Functional and clinical aspects of the B-cell-activating factor (BAFF): a narrative review. (external link)
• Berstad, Arnold; Valeur, Jørgen; Lillestøl, Kristine et al. (2011). Matoverfølsomhet- Et paradigmeskifte?. (external link)
• Lied, Gülen Arsland; Lillestøl, Kristine; Lind, Ragna et al. (2011). Perceived food hypersensitivity: A review of 10 years of interdisciplinary research at a reference center. (external link)
• Berstad, Arnold; Valeur, Jørgen; Lillestøl, Kristine et al. (2011). Pasienten tåler ikke mat - hva skal vi tro?. (external link)
• Lied, Gülen Arsland (2009). Matoverfølsomhet og funksjonelle mage-tarmsykdommer: Hvilke punkter er viktige ved første konsultasjon?. (external link)
• Arslan, Gülen (2007). Gastrointestinal food hypersensitivity: Symptoms, diagnosis and provocation tests. (external link)
• Berstad, Arnold; Lied, Gülen Arsland; Florvaag, Erik et al. (1999). Intestinal allergi. (external link)

Doctoral dissertation

• Toto, Benuarda; Dierkes, Jutta; Lied, Gülen Arslan et al. (2024). Microplastic toxicity: An investigation of micro- and nanoplastics and their effects on aquatic life and intestine function/permeability in rats. (external link)
• Jensen, Caroline; Hoff, Dag Arne Lihaug; Lied, Gülen Arslan et al. (2021). Supplementation with cod protein hydrolysate: Intervention studies in healthy adults and adults with metabolic syndrome. (external link)
• Dale, Hanna Fjeldheim; Lied, Gülen Arslan; Hatlebakk, Jan Gunnar et al. (2020). Health effects of supplementation with cod protein hydrolysate: Impact on glucose metabolism and appetite in healthy subjects and gut health in irritable bowel syndrome. (external link)
• Gregersen, Kine; Lied, Gülen Arslan; Valeur, Jørgen et al. (2013). Subjective food hypersensitivity: Studies on enterochromaffin cell secretion products and effects of seal oil therapy. (external link)
• Lillestøl, Kristine; Berstad, Arnold; Lied, Gülen Arsland (2010). Self-reported food hypersensitivity with gastrointestinal symptoms. Allergological and psychological factors. (external link)
• Lind, Ragna; Berstad, Arnold; Lied, Gülen Arsland (2010). Subjective food hypersensitivity: Lifestyle and psychological factors. (external link)

Thesis at a second degree level

• Teige, Erica Sande; Sortvik, Urd; Lied, Gülen Arslan (2024). Fecal Bacterial Profile in Patients with Irritable Bowel Syndrome Analyzed with the GA-Map Dysbiosis Test Based on the 16S rRNA Gene of Bacterial Species or Groups. (external link)
• Tran, Elisabeth; Lied, Gülen Arslan; Dale, Hanna Fjeldheim (2020). Effekter av et plantebasert kosthold på kroppsvekt og kroppsmasse. (external link)
• Transeth, Elin Lund; Lied, Gülen Arslan; Dale, Hanna Fjeldheim (2019). A comparison of gut microbiota profile in patients with celiac disease, non-celiac gluten sensitivity and irritable bowel syndrome. (external link)
• Rasmussen, Stella Hellgren; Lied, Gülen Arslan; Dale, Hanna Fjeldheim (2019). Effect of probiotic supplementation on symptoms in Irritable Bowel Syndrome: A systematic review. (external link)
• Olivia, Bysheim; Lied, Gülen Arslan (2018). Randomised double-blind placebo-controlled trials in patients with suspected Non-Celiac Gluten Sensitivity – a literature review. (external link)

Medical Student Research Thesis

• Teige, Erica Sande; Lied, Gülen Arslan (2024). Fecal bacteria and short-chain fatty acids in patients with irritable bowel syndrome: relations to subtype. (external link)

Masters thesis

• Martinsen, Tilde Kristine; Jensen, Caroline; Lied, Gülen Arslan (2022). The Prevalence of Gastrointestinal Symptoms and Associated Factors among Community-Dwelling Older Persons - A Cross Sectional Study. (external link)
• Rasmussen, Stella Hellgren; Berentsen, Birgitte; Lied, Gülen Arslan (2021). 12 weeks strict low FODMAP dietary effect on clinical biochemistry status and symptom relief in patients with Irritable Bowel Syndrome. (external link)
• Johannessen, Julianne; Lied, Gülen Arslan; Dale, Hanna Fjeldheim et al. (2020). Investigation of potential biomarkers for non-coeliac gluten sensitivity: Markers of gut integrity and inflammation compared with healthy controls and patients with irritable bowel syndrome. (external link)
• Tvedt, Espen Hindar; Dierkes, Jutta; Lied, Gülen Arslan (2020). A randomized, controlled, crossover trial investigating the effects of bread containing guar galactomannan on glucose response in healthy overweight adults. (external link)
• Bøhler, Kristine Høva; Hausken, Trygve; Lied, Gülen Arslan (2019). Effects of oral protein load on energy intake throughout the day, appetite and gastric emptying in healthy older and younger men . (external link)
• Berg, Malin Rofstad; Lied, Gülen Arslan; Dankel, Simon N et al. (2019). The relationship between quality and quantity of dietary carbohydrates, SCFAs and gastrointestinal health in obesity – A randomized control dietary intervention (CARBFUNC). (external link)
• Holen, Iselin Schjelle; Hausken, Trygve; Lied, Gülen Arslan (2019). Effects of a guar and whey containing preload on gastric emptying and the glycaemic and blood pressure responses to oral glucose in healthy older subjects . (external link)
• Storaas, Inghild; Lied, Gülen Arslan; Dankel, Simon N (2019). Effects of carbohydrate quality and quantity on fecal short-chain fatty acids and symptoms of gastrointestinal health in people with obesity: a randomized controlled trial (CARBFUNC). (external link)
• Hillestad, Eline; Berentsen, Birgitte; Lied, Gülen Arslan (2019). Evaluation of a tertiary, multidisciplinary outpatient clinic for irritable bowel syndrome. (external link)
• Storlien, Marie Elise Opheim; Hausken, Trygve; Lied, Gülen Arslan et al. (2019). The effect of marine protein hydrolysates on biomarkers related to muscle synthesis and degradation following exhaustive endurance cycling in healthy males. (external link)
• Hausken, Trygve; Lied, Gülen Arslan; Tangvik, Randi Julie et al. (2018). Effect of marine peptide hydrolysate supplementation on ghrelin and insulin-like peptide 5 secretion on appetite related conditions – As tested in recovery following endurance cycling. (external link)
• Larsen, Trine; Lied, Gülen Arslan; Hausken, Trygve (2017). The effect of low FODMAP diet in patients with radiation-induced small bowel disease.. (external link)
• Dale, Hanna Fjeldheim; Lied, Gülen Arslan (2017). The effect of a controlled gluten challenge in patients with suspected Non-Coeliac Gluten Sensitivity: A randomized, double-blind placebo-controlled challenge . (external link)
• Hustoft, Tonje; Lied, Gülen Arslan; Hausken, Trygve (2016). Low versus high fodmap diet in patients with irritable bowel syndrome. (external link)
• Ellen Johanne, Vara; Lied, Gülen Arslan; Svanes, Cecilie (2014). Is total immunoglobulin E and atopic sensitization associated with food-related gastrointestinal complaints?. (external link)
• Hanitz, Lina Mari Torheim; Hausken, Trygve; Gudbrandsen, Oddrun Anita et al. (2014). Intestinal permeability in healthy humans receiving NSAID: A pilot study. (external link)
• Jahrn, Benedicte; Vaali, Kirsi Kaarina; Hausken, Trygve et al. (2012). Intestinal cleasing and vegan diet as a novel modality for treatment of irritable bowel syndrome (IBS). (external link)
• Lind, Ragna Anne; Berstad, Arnold; Lied, Gülen Arslan (2006). Lifestyle in patients with subjective food hypersensitivity. (external link)
• Gregersen, Kine; Frøyland, Livar; Lied, Gülen Arslan et al. (2005). Acute effects of duodenal seal oil or soy oil administration on gastric accommodation and symptoms in patients with food hypersensitivity. (external link)

Abstract

• Teige, Erica Sande; Hillestad, Eline Margrete Randulff; Steinsvik, Elisabeth Kjelsvik et al. (2022). Bergen Braingut Study: Relations between fecal microbiota profile and its metabolites (short-chain fatty acids) and symptoms in irritable bowel syndrome. (external link)
• Berentsen, Birgitte; Thuen, Camilla; Andersen, Mari Liltvedt et al. (2018). Interdisciplinary self- help intervention for IBS - eHealth and patient education. (external link)
• Mazzawi, Tarek; Lied, Gülen Arslan; Hov, Johannes Espolin Roksund et al. (2018). Effects of faecal microbiota transplantation on gut microenvironment and symptoms in patients with irritable bowel syndrome. (external link)
• Larsen, Trine; Hausken, Trygve; Ystad, Synne Otteraaen et al. (2017). Low FODMAP diet improves symptoms and quality of life in patients with radiation-induced small bowel disease: A pilot study. (external link)
• Dale, Hanna Fjeldheim; Hatlebakk, Jan Gunnar; Hovdenak, Nils et al. (2017). The effect of a controlled gluten challenge in patients with suspected non-coeliac gluten sensitivity: A randomized, double-blind placebo-controlled challenge. (external link)
• Mazzawi, Tarek; El-Salhy, Magdy; Lied, Gülen Arslan et al. (2017). Effect of faecal microbiota transplantation on Neurogenin 3, Musahsi 1 and enteroendocrine cells in the duodenum of patients with irritable bowel syndrome. (external link)
• Valeur, Jørgen; Småstuen, Milada C; Knudsen, Torunn et al. (2017). Microbial DNA markers associated with response to a low FODMAP diet in patients with irritable bowel syndrome. (external link)
• Hatlebakk, Jan Gunnar; Hovdenak, Nils; Ystad, Synne Otteraaen et al. (2017). Gluten causes symptom relapse in a small group of patients with suspected non-celiac gluten sensitivity: A randomized, double-blind placebo controlled challenge. (external link)
• Larsen, Trine; Hausken, Trygve; Ystad, Synne Otteraaen et al. (2017). Low FODMAP diet improves symptoms and quality of life in patients with radiation-induced small bowel disease: A pilot study. (external link)
• Hausken, Trygve; Mazzawi, Tarek; Lied, Gülen Arslan et al. (2017). Effect of faecal microbiota transplantation on the symptoms and gut microbiota in patients with irritable bowel syndrome (IBS). (external link)
• Mazzawi, Tarek; Valeur, Jørgen; Hausken, Trygve et al. (2017). Effect of faecal microbiota transplantation on gut bacterial fermentation products in patients with irritable bowel syndrome. (external link)
• Hustoft, Tonje; Hausken, Trygve; Ystad, Synne Otteraaen et al. (2016). Low FODMAP diet alters symptoms, microbiota, short-chain fatty acids and cytokine profiles in patients with IBS: A randomized controlled trial. (external link)
• Mazzawi, Tarek; Lied, Gülen Arslan; El-Salhy, Magdy et al. (2016). Effect of fecal microbiota transplantation on the symptoms and duodenal enteroendocrine cells in patients with irritable bowel syndrome. (external link)
• Mazzawi, Tarek; Lied, Gülen Arslan; El-Salhy, Magdy et al. (2016). Kinetics of microbial community composition in patients with diarrhea-predominant irritable bowel syndrome following faecal microbiota transplantation. (external link)
• Storlid, Eline Lundekvam; Hausken, Trygve; Lied, Gülen Arslan et al. (2016). The Gastric Accomodation Reflex Studied by Ultrasound, Manometry and Impedancemetry in a Pilot Study. (external link)
• Vara, Ellen Johanne; Valeur, Jørgen; Hausken, Trygve et al. (2016). High levels of serum total IgE-antibodies are not related to intestinal and extra-intestinal symptom severity in irritable bowel syndrome. (external link)
• Lied, Gülen Arslan; Vara, Ellen; Skorge, Trude Duelien et al. (2015). Atopic sensitization and functional gastrointestinal symptoms: Is there any relation?. (external link)
• Vara, Ellen; Svanes, Cecilie; Skorge, Trude Duelien et al. (2014). Are total immunoglobulin E and atopic sensitization associated with food-related gastrointestinal complaints?. (external link)
• Lied, Gülen Arsland; Vogelsang, Petra; Berstad, Arnold et al. (2010). Dendritic cell populations in patients with self-reported food hypersensitivity. (external link)
• Lillestøl, Kristine; Valeur, Jørgen; Helgeland, Lars Inge et al. (2009). Indications of `atopic bowel` in patients with irritable bowel syndrome (IBS). (external link)
• Lied, Gülen Arsland; Lillestøl, Kristine; Valeur, Jørgen et al. (2009). Potential role of B-cell activating factor in non-IgE-mediated hypersensitivity reactions to food. (external link)
• Lillestøl, Kristine; Helgeland, Lars Inge; Florvaag, Erik et al. (2009). Indications of "atopic bowel" in patients with irritable bowel syndrome. (external link)
• Ng, Siew; Lied, Gülen Arsland; Sandhu, Farah et al. (2008). Cross-sectional study on the correlation between pre-operative azathioprine and myenteric plexitis in the proximal resection margins and affected Crohn's disease segment. (external link)
• Erichsen, Kari; Lied, Gülen Arsland; Olderøy, G et al. (2004). Calprotectin in faeces and gut lavage fluid; relationship to intestinal permeability and disease activity in IBD. (external link)
• Lind, Ragna; Lied, Gülen Arsland; Eriksen, Hege Randi et al. (2003). Subjective health complaints and quality of life in patients with self-reported adverse reactions to food. (external link)
• Lied, Gülen Arsland; Bjørkkjær, Tormod; Brunborg, Linn Anne Bjelland et al. (2003). Seal oil compared to soy oil in patients with inflammatory bowel disease. (external link)

Book review

• Valeur, Jørgen; Hausken, Trygve; Hatlebakk, Jan Gunnar et al. (2021). Minneord: Arnold Berstad (1940-2020). (external link)

Popular scientific article

• Hillestad, Eline Margrete Randulff; Berentsen, Birgitte; Lied, Gülen Arslan (2021). Brain-Gut-Microbiota Interaction in Irritable Bowel Syndrome: A Multidimensional Approach. (external link)
• Lied, Gülen Arslan (2020). Kronprins Haakons forskningspris til Gülen Arslan Lied. (external link)
• Larsen, Trine; Hausken, Trygve; Lied, Gülen Arslan (2018). Lav FODMAP-diett for pasienter med stråleskadet tarm. (external link)
• Dale, Hanna Fjeldheim; Lied, Gülen Arslan (2017). Ikke-cøliakisk gluten sensitivitet. (external link)

Feature article

• Lied, Gülen Arslan (2021). Cøliaki er en sykdom, det er ikke en trend. (external link)

Programme participation

• Lied, Gülen Arslan; Holm, Hege (2021). Matallergi blir stadig vanligere. (external link)

Interview Journal

• Lied, Gülen Arslan (2019). Matvareoverfølsomhet og -allergi. (external link)

Errata

• Dale, Hanna Fjeldheim; Jensen, Caroline; Hausken, Trygve et al. (2019). Effect of a cod protein hydrolysate on postprandial glucose metabolism in healthy subjects: A double-blind cross-over trial - CORRIGENDUM. (external link)

Lecture

• Lied, Gülen Arslan (2018). Food hypersensitivity in adults. (external link)
• Lied, Gülen Arslan (2018). IgE- and non-IgE-mediated enteropathies in adults. (external link)
• Lied, Gülen Arslan (2017). Kasuistikk. Matvareallergi og matvareintoleranse. (external link)
• Lied, Gülen Arslan (2017). Cøliaki og non-cøliakisk gluten intoleranse. (external link)
• Lied, Gülen Arslan (2017). Allergic, IgE /non-IgE enteropathies in adults. (external link)
• Lied, Gülen Arslan (2016). Matallergi/intoleranse hos voksne. (external link)
• Mazzawi, Tarek; Lied, Gülen Arslan; El-Salhy, Magdy et al. (2016). Kinetics of microbial community composition in patients with diarrhea-predominant irritable bowel syndrome following faecal microbiota transplantation. (external link)
• Lied, Gülen Arslan (2016). Selvrapportert matoverfølsomhet. (external link)
• Lied, Gülen Arslan (2015). Allergic, IgE /non-IgE enteropathies. (external link)
• Lied, Gülen Arslan (2015). Kasuistikk. Matvareallergi og matvareintoleranse. (external link)
• Lied, Gülen Arslan (2015). Food hypersensitivity in adults. (external link)
• Lied, Gülen Arslan (2015). The relation between supervisor and candidate. (external link)
• Lied, Gülen Arslan (2014). The relation between candidate and supervisor. (external link)
• Lied, Gülen Arslan (2014). Subjektiv matoverfølsomhet. (external link)
• Lied, Gülen Arslan (2014). Allergiske, IgE-/non-IgE-enteropatier: Voksne. (external link)
• Lied, Gülen Arslan (2013). Matoverfølsomhet hos voksne. (external link)

Article in business/trade/industry journal

• Lied, Gülen Arslan; Dankel, Simon N; Gudbrandsen, Oddrun Anita (2017). Nutrition, health and chronic diseases. (external link)
• Lied, Gülen Arslan (2015). An overview of spectrum of gluten-related disorders. (external link)
• Lied, Gülen Arslan; Grete, Hansen (2015). Matoverfølsomhet - den nye folkesykdommen?. (external link)

Website (informational material)

• Lied, Gülen Arslan; Valeur, Jørgen (2016). Kapittel T12.8: Matintoleranse og allergi i gastrointestinaltraktus. I: Norsk legemiddelhåndbok (utgave 2016). (external link)

Short communication

• Lied, Gülen Arslan; Gilja, Odd Helge; Hausken, Trygve (2014). Har silibinin en plass i behandlingen av leversykdommer?. (external link)

Academic chapter/article/Conference paper

• Lied, Gülen Arslan (2013). alfa-gal-allergi (kjøttallergi). (external link)
• Lied, Gülen Arslan; Lillestøl, Kristine; Valeur, Jørgen (2013). Matintoleranse og allergi i gastrointestinaltraktus. (external link)

Reader opinion piece

• Berstad, Arnold; Morken, Mette Helvik; Lied, Gülen Arsland et al. (2012). Fecal fat excretion in irritable bowel syndrome. (external link)

See a complete overview of publications in Cristin.