2020

• Østvik, Ann Elisabet; Svendsen, Tarjei Dahl; Granlund, Atle van Beelen; Doseth, Berit; Skovdahl, Helene Kolstad; Bakke, Ingunn. (2020) Intestinal epithelial cells express immunomodulatory ISG15 during active ulcerative colitis and Crohn's disease. Journal of Crohn's and Colitis
  Academic article
• Jørandli, Jonas Woll; Thorsvik, Silje; Skovdahl, Helene Kolstad; Kornfeld, Benedikt; Sæterstad, Siri; Gustafsson, Björn. (2020) The serotonin reuptake transporter is reduced in the epithelium of active Crohn's disease and ulcerative colitis. American Journal of Physiology - Gastrointestinal and Liver Physiology
  Academic article

2019

• Gustafsson, Björn; Hansen, Arild Skaug. (2019) Forskning i effektivitetens tid. Overlegen
  Feature article

2018

• Waldum, Helge; Öberg, Kjell; Sørdal, Øystein Finset; Sandvik, Arne Kristian; Gustafsson, Björn; Mjønes, Patricia. (2018) Not only stem cells, but also mature cells, particularly neuroendocrine cells, may develop into tumours: time for a paradigm shift. Therapeutic Advances in Gastroenterology
  Academic literature review
• Østvik, Ann Elisabet; Svendsen, Tarjei Dahl; Granlund, Atle van Beelen; Doseth, Berit; Bakke, Ingunn; Thorsvik, Silje. (2018) Tu1753 - type 1 Interferon Signaling in Intestinal Epithelial Cells During Active Inflammatory Bowel Disease. Gastroenterology
  Abstract

2016

• Brenna, Øystein; Furnes, Marianne Waldum; Munkvold, Bjørn; Kidd, Mark; Sandvik, Arne Kristian; Gustafsson, Björn. (2016) Cellular localization of guanylin and uroguanylin mRNAs in human and rat duodenal and colonic mucosa. Cell and Tissue Research
  Academic article

2015

• Brenna, Øystein; Bruland, Torunn; Furnes, Marianne Waldum; Granlund, Atle Van Beelen; Drozdov, Ignat; Emgård, Johanna. (2015) The guanylate cyclase-C signaling pathway is down-regulated in inflammatory bowel disease. Scandinavian Journal of Gastroenterology
  Academic article

2014

• Østvik, Ann Elisabet; Granlund, Atle Van Beelen; Gustafsson, Björn; Torp, Sverre Helge; Espevik, Terje; Mollnes, Tom Eirik. (2014) Mucosal toll-like receptor 3-dependent synthesis of complement factor B and systemic complement activation in inflammatory bowel disease. Inflammatory Bowel Diseases
  Academic article
• Sørdal, Øystein Finset; Qvigstad, Gunnar; Nordrum, Ivar Skjåk; Sandvik, Arne Kristian; Gustafsson, Björn; Waldum, Helge. (2014) The PAS positive material in gastric cancer cells of signet ring type is not mucin. Experimental and molecular pathology (Print)
  Academic article
• Vasiliev, Alexander; Gustafsson, Björn; Teodorescu, Razvan. (2014) Classical and stochastic Laplacian growth. Birkhäuser Verlag Birkhäuser Verlag
  Academic monograph

2013

• Sørdal, Øystein; Qvigstad, Gunnar; Nordrum, Ivar Skjåk; Gustafsson, Björn; Waldum, Helge. (2013) In situ hybridization in human and rodent tissue by the use of a new and simplified method. Applied immunohistochemistry & molecular morphology (Print)
  Academic article
• Zwiggelaar, Rosalie Theda Margien; Fossmark, Reidar; Kidd, Mark; Furnes, Marianne Waldum; Sandvik, Arne Kristian; Waldum, Helge. (2013) Tu1089 Somatostatin and the Slow-Growing Nature of Small Intestinal Neuroendocrine Tumors. Gastroenterology
  Abstract
• Fossmark, Reidar; Bretthauer, Michael; Gustafsson, Björn. (2013) Who should perform endoscopies? (Hvem bør utføre endoskopier?). Tidsskrift for Den norske legeforening (Tidsskriftet)
  Short communication
• Granlund, Atle Van Beelen; Flatberg, Arnar; Østvik, Ann Elisabet; Drozdov, Ignat; Gustafsson, Björn; Kidd, Mark. (2013) Whole Genome Gene Expression Meta-Analysis of Inflammatory Bowel Disease Colon Mucosa Demonstrates Lack of Major Differences between Crohn's Disease and Ulcerative Colitis. PLOS ONE
  Academic article
• Granlund, Atle Van Beelen; Østvik, Ann Elisabet; Brenna, Øystein; Torp, Sverre Helge; Gustafsson, Björn; Sandvik, Arne Kristian. (2013) REG gene expression in inflamed and healthy colon mucosa explored by in situ hybridisation. Cell and Tissue Research
  Academic article
• Kidd, Mark; Gustafsson, Björn; Modlin, Irvin M. (2013) Gastric Carcinoids (Neuroendocrine Neoplasms). Gastroenterology Clinics of North America
  Academic article
• Brenna, Øystein; Furnes, Marianne Waldum; Drozdov, Ignat; Granlund, Atle Van Beelen; Svendsen, Tarjei D.; Jørandli, Jonas W.. (2013) Su1771 Reduced Guanylate Cyclase C Signaling in IBD May Sustain Inflammation, Epithelial Barrier Dysfunction and Increase Cancer Risk in IBD. Gastroenterology
  Abstract
• Brenna, Øystein; Furnes, Marianne Waldum; Drozdov, Ignat; Granlund, Atle Van Beelen; Flatberg, Arnar; Sandvik, Arne Kristian. (2013) Relevance of TNBS-Colitis in Rats: A Methodological Study with Endoscopic, Historical and Transcripttomic Characterization and Correlation to IBD. PLOS ONE
  Academic article
• Damen, Rikard; Haugen, Martin; Svejda, Bernhard; Alaimo, Daniele; Brenna, Øystein; Pfragner, Roswitha. (2013) The Stimulatory Adenosine Receptor ADORA2B Regulates Serotonin (5-HT) Synthesis and Release in Oxygen-Depleted EC Cells in Inflammatory Bowel Disease. PLOS ONE
  Academic article

2012

• Stunes, Astrid Kamilla; Westbroek, Irene; Gordeladze, Jan Oxholm; Gustafsson, Björn; Reseland, Janne Elin; Syversen, Unni. (2012) Systemic leptin administration in supraphysiological doses maintains bone mineral density and mechanical strength despite significant weight loss. Endocrinology
  Academic article
• Rokstad, Anne Mari; Gustafsson, Björn; Espevik, Terje; Bakke, Ingunn; Pfragner, Roswitha; Svejda, Bernhard. (2012) Microencapsulation of small intestinal neuroendocrine neoplasm cells for tumor model studies. Cancer Science
  Academic article
• Chin, A; Svejda, B; Gustafsson, Björn; Granlund, Atle Van Beelen; Sandvik, Arne Kristian; Timberlake, Alan. (2012) The role of mechanical forces and adenosine in the regulation of intestinal enterochromaffin cell serotonin secretion. American Journal of Physiology - Gastrointestinal and Liver Physiology
  Academic article
• Haugen, Martin; Dammen, Rikard; Svejda, Bernhard; Gustafsson, Björn; Pfragner, Roswitha; Modlin, Irvin. (2012) Differential signal pathway activation and 5-HT function: the role of gut enterochromaffin cells as oxygen sensors. American Journal of Physiology - Gastrointestinal and Liver Physiology
  Academic article
• Granlund, Atle; Flatberg, Arnar; Østvik, Ann Elisabet; Drozdov, I; Gustafsson, Björn; Kidd, M. (2012) Dissecting the IBD Transcriptome. Inflammatory Bowel Diseases
  Abstract
• Brenna, Øystein; Furnes, Marianne Waldum; Granlund, Atle; Flatberg, Arnar; Drozdov, Ignat; Sandvik, Arne Kristian. (2012) Tu1912 Endoscopic, Histological and Transcriptomic Characterization of TNBS-Colitis in Rats, a Model for IBD. Gastroenterology
  Abstract

2011

• Stunes, Astrid Kamilla; Westbroek, Irene; Gustafsson, Björn; Fossmark, Reidar; Waarsing, Jan H; Eriksen, Erik Fink. (2011) The peroxisome proliferator-activated receptor (PPAR) alpha agonist fenofibrate maintains bone mass, while the PPAR gamma agonist pioglitazone exaggerates bone loss, in ovariectomized rats. BMC Endocrine Disorders
  Academic article
• Lawrence, Benjamin; Gustafsson, Björn; Chan, Anthony; Svejda, Bernhard; Kidd, Mark; Modlin, Irvin M. (2011) The Epidemiology of Gastroenteropancreatic Neuroendocrine Tumors. Endocrinology and metabolism clinics of North America (Print)
  Academic article
• Stunes, Astrid Kamilla; Reseland, Janne Elin; Hauso, Øyvind; Kidd, Mark; Tømmerås, Karin; Waldum, Helge. (2011) Adipocytes express a functional system for serotonin synthesis, reuptake and receptor activation. Diabetes, obesity and metabolism
  Academic article
• Brenna, Øystein; Aasarød, Knut; Gustafsson, Björn. (2011) A man in his 30s with recurrent vomiting and abdominal pain relieved by hot showers. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Modlin, IM; Moss, Steven F; Gustafsson, Björn; Lawrence, Benjamin; Schimmack, S; Kidd, M. (2011) The archaic distinction between functioning and nonfunctioning neuroendocrine neoplasms is no longer clinically relevant. Langenbeck's Archives of Surgery
  Academic literature review
• Gustafsson, Björn; Bakke, Ingunn; Hauso, Øyvind; Kidd, Mark; Modlin, Irvin M; Fossmark, Reidar. (2011) Parietal cell activation by arborization of ECL cell cytoplasmic projections is likely the mechanism for histamine induced secretion of hydrochloric acid. Scandinavian Journal of Gastroenterology
  Academic article
• Drozdov, Ignat; Svejda, Bernhard; Gustafsson, Björn; Mane, S; Pfragner, Roswitha; Kidd, Mark. (2011) Gene Network Inference and Biochemical Assessment Delineates GPCR Pathways and CREB Targets in Small Intestinal Neuroendocrine Neoplasia. PLOS ONE
  Academic article
• Lawrence, Benjamin; Gustafsson, Björn; Kidd, Mark; Pavel, Marianne; Svejda, Bernhard; Modlin, Irvin M. (2011) The Clinical Relevance of Chromogranin A as a Biomarker for Gastroenteropancreatic Neuroendocrine Tumors. Endocrinology and metabolism clinics of North America (Print)
  Academic article
• Gustafsson, Björn. (2011) Integrert universitetssykehus gir bedre pasientbehandling.
  Website (informational material)

2010

• Modlin, Irvin M; Gustafsson, Björn; Pavel, Marianne; Svejda, B; Lawrence, Benjamin; Kidd, Mark. (2010) A Nomogram to Assess Small-Intestinal Neuroendocrine Tumor ('Carcinoid') Survival. Neuroendocrinology
  Academic article
• Eltawil, Karim M; Gustafsson, Björn; Kidd, Mark; Modlin, Irvin M. (2010) Neuroendocrine Tumors of the Gallbladder An Evaluation and Reassessment of Management Strategy. Journal of Clinical Gastroenterology
  Academic article
• Modlin, Irvin M; Gustafsson, Björn; Moss, Steven F; Pavel, Marianne; Tsolakis, Apostolos V; Kidd, Mark. (2010) Chromogranin A-Biological Function and Clinical Utility in Neuro Endocrine Tumor Disease. Annals of Surgical Oncology
  Academic article
• Modlin, Irvin; Pavel, Marianne; Kidd, Mark; Gustafsson, Björn. (2010) Review article: somatostatin analogues in the treatment of gastroenteropancreatic neuroendocrine (carcinoid) tumours. Alimentary Pharmacology and Therapeutics
  Academic literature review
• Lawrence, Benjamin; Gustafsson, Björn; Kidd, Mark; Modlin, Irvin. (2010) New Pharmacologic Therapies for Gastroenteropancreatic Neuroendocrine Tumors. Gastroenterology Clinics of North America
  Academic article
• Svejda, Bernhard; Kidd, Mark; Giovinazzo, Francesco; Eltawil, Karim; Gustafsson, Björn; Pfragner, Roswitha. (2010) The 5-HT2B Receptor Plays a Key Regulatory Role in Both Neuroendocrine Tumor Cell Proliferation and the Modulation of the Fibroblast Component of the Neoplastic Microenvironment. Cancer
  Academic article
• Kidd, M; Siddique, Z-L; Drozdov, I; Gustafsson, Björn; Camp, RL; Black, JW. (2010) The CCK2 receptor antagonist, YF476, inhibits Mastomys ECL cell hyperplasia and gastric carcinoid tumor development. Regulatory Peptides
  Academic article
• Riksen, Elisabeth Aurstad; Stunes, Astrid Kamilla; Kalvik, Anne; Gustafsson, Björn; Snead, Malcolm; Syversen, Unni. (2010) Serotonin and fluoxetine receptors are expressed in enamel organs and LS8 cells and modulate gene expression in LS8 cells. European Journal of Oral Sciences
  Academic article
• Modlin, Irvin M; Moss, Steven F; Oberg, Kjell; Padbury, Robert; Hicks, Rodney J; Gustafsson, Björn. (2010) Gastrointestinal neuroendocrine (carcinoid) tumours: current diagnosis and management. Medical Journal of Australia (MJA)
  Academic article

2009

• Waldum, Helge; Kleveland, Per Martin; Brenna, Eiliv; Bakke, Ingunn; Qvigstad, Gunnar; Martinsen, Tom Christian. (2009) Interactions between gastric acid secretagogues and the localization of the gastrin receptor. Scandinavian Journal of Gastroenterology
  Academic literature review
• Drozdov, I; Kidd, M; Nadler, B; Camp, RL; Mane, SM; Hauso, Øyvind. (2009) Predicting Neuroendocrine Tumor (Carcinoid) Neoplasia Using Gene Expression Profiling and Supervised Machine Learning. Cancer
  Academic article
• Modlin, Irvin; Gustafsson, Bjorn; Drozdov, Ignat; Nadler, B; Phragner, Roswita; Kidd, Mark. (2009) Principal Component Analysis, Hierarchical Clustering, and Decision Tree Assessment of Plasma mRNA and Hormone Levels as an Early Detection Strategy for Small Intestinal Neuroendocrine (Carcinoid) Tumors. Annals of Surgical Oncology
  Academic article
• Kidd, Mark; hauso, Øyvind; Drozdov, Ignat; Gustafsson, Björn; Modlin, Irvin. (2009) Delineation of the Chemomechanosensory Regulation of Gastrin Secretion Using Pure Rodent G Cells. Gastroenterology
  Academic article
• Syversen, Unni; Stunes, Astrid Kamilla; Gustafsson, Björn; Obrant, Karl J.; Nordsletten, Lars; Berge, Rolf K.. (2009) Different skeletal effects of the peroxisome proliferator activated receptor (PPAR)α agonist fenofibrate and the PPARγ agonist pioglitazone. BMC Endocrine Disorders
  Academic article
• Siddique, ZL; Drozdov, I; Floch, J.; Gustafsson, Björn; Stunes, Astrid Kamilla; Pfragner, R. (2009) KRJ-I and BON Cell Lines: Defining an Appropriate Enterochromaffin Cell Neuroendocrine Tumor Model. Neuroendocrinology
  Academic article
• Vasiliev, Alexander; Gustafsson, Björn. (2009) Analysis and Mathematical Physics. Birkhäuser Verlag Birkhäuser Verlag
  Academic anthology/Conference proceedings
• Plöckinger, Ursula; Gustafsson, Björn; Ivan, Diana; Szpak, Waldemar; Davar, Joseph. (2009) ENETS Consensus Guidelines for the Standards of Care in Neuroendocrine Tumors: Echocardiography. Neuroendocrinology
  Academic article

2008

• Gustafsson, Bjørn; Hauso, Øyvind; Drozdov, I; Kidd, M; Modlin, IM. (2008) Carcinoid heart disease. International Journal of Cardiology
  Academic literature review
• Gustafsson, Bjørn; Kidd, M; Modlin, IM. (2008) Neuroendocrine tumors of the diffuse neuroendocrine system. Current Opinion in Oncology
  Academic literature review
• Gustafsson, Bjørn; Kidd, M; Chan, A; Malfertheiner, MV; Modlin, IM. (2008) Bronchopulmonary neuroendocrine tumors. Cancer
  Academic literature review
• Modlin, Irvin; Kidd, Mark; Drozdov, Ignat; Siddique, Luna; Gustafsson, Bjorn. (2008) Pharmacotherapy of neuroendocrine cancers. Expert Opinion on Pharmacotherapy
  Academic literature review
• Waldum, Helge; Kleveland, Per Martin; Brenna, Eiliv; Bakke, Ingunn; Qvigstad, Gunnar; Martinsen, Tom Christian. (2008) Interactions between gastric acid secretagogues and the localization of the gastrin receptor. Scandinavian Journal of Gastroenterology
  Academic literature review
• Hauso, Øyvind; Gustafsson, Bjorn; Kidd, Mark; Waldum, Helge; Drozdov, Ignat; Chan, Anthony. (2008) Neuroendocrine tumor epidemiology: contrasting Norway and North America. Cancer
  Academic article
• Gustafsson, Bjorn; Siddique, Luna; Chan, Anthony; Dong, Manku; Drozdov, Ignat; Kidd, Mark. (2008) Uncommon cancers of the small intestine, appendix and colon: an analysis of SEER 1973-2004, and current diagnosis and therapy. International Journal of Oncology
  Academic article
• Hauso, Øyvind; Gustafsson, Bjørn; Nordrum, Ivar Skjåk; Waldum, Helge. (2008) The Effect of Terguride in Carbon Tetrachloride (CCL4)-Induced Liver Fibrosis in Rat. Experimental biology and medicine
  Academic article
• Gustafsson, Bjorn; Hauso, Øyvind; Kidd, Mark; Modlin, Irvin. (2008) Carcinoid Heart Disease.
  Academic chapter/article/Conference paper
• Gustafsson, Bjorn; Kidd, Mark; Drozdov, Ignat; Modlin, Irvin. (2008) The Enterochromaffin cell.
  Academic chapter/article/Conference paper
• Gustafsson, Bjorn; Kidd, Mark; Modlin, Irvin. (2008) Small intestinal neuroendocrine tumors.
  Academic chapter/article/Conference paper
• Gustafsson, Bjorn; Kidd, Mark; Modlin, Irvin. (2008) Broncho-pulmonary Carcinoid Tumors.
  Academic chapter/article/Conference paper
• Modlin, Irvin; Drozdov, Ignat; Gustafsson, Bjorn; Öberg, Kjell; Kidd, Mark. (2008) Rectal Neuroendocrine Tumors – Diagnosis and Treatment.
  Academic chapter/article/Conference paper
• Modlin, Irvin; Shapiro, Md; Kidd, Mark; Drozdov, Ignat; Gustafsson, Bjorn. (2008) Siegfried Oberndorfer and the Origins of Carcinoid Tumors.
  Academic chapter/article/Conference paper

2007

• Syversen, Unni; Westbroek, I; Stunes, Astrid Kamilla; Gustafsson, Bjørn; Van Leeuwen, H; van Leeuwen, H. (2007) Peripheral leptin administration to normal female rats maintains bone mineral density, bone architecture and mechanical strength in spite of significant weight loss. Calcified Tissue International
  Abstract
• Stunes, Astrid Kamilla; Gustafsson, Björn; Berge, Rolf Kristian; Weslbroek, I; Westbroek, Irene; Reseland, Janne. (2007) The PPAR gamma agonist pioglitazone exaggerates bone loss, while the PPAR alpha agonist fenofibrate maintains BMD and bone architecture in ovarectomized rats. Calcified Tissue International
  Abstract
• Hauso, Øyvind; Gustafsson, Bjørn; Loennechen, Jan Pål; Stunes, Astrid Kamilla; Nordrum, Ivar Skjåk; Waldum, Helge. (2007) Long-term serotonin effects in the rat are prevented by terguride. Regulatory Peptides
  Academic article
• Hauso, Øyvind; Gustafsson, Bjørn; Waldum, Helge. (2007) Long slender cytoplasmic extensions: A common feature of neuroendocrine cells?. Journal of Neuroendocrinology (JNE)
  Academic article
• Westbroek, I; Waarsing, JH; van Leeuwen, JPTM; Waldum, Helge; Reseland, JE; Weinans, H. (2007) Long-term fluoxetine administration does not result in major changes in bone architecture and strength in growing rats. Journal of Cellular Biochemistry
  Academic article

2006

• Syversen, Unni; Stunes, Astrid Kamilla; Gustafsson, Bjørn; Waarsing, JH; Van Leeuwen, H; Weinans, H. (2006) The PPAR gamma agonist fenoribrate prevents bone loss, while the PPAR alpha agonist pioglitazone exaggerates bone loss in ovarectomized rats. Journal of Bone and Mineral Research
  Abstract
• Syversen, Unni; Westbroek, Irene; Stunes, Astrid Kamilla; Gustafsson, Bjørn; Waarsing, E; Van Leeuwen, H. (2006) Leptin administration to female rats maintains bone mineral density and mechanical strength in spite of significant weight loss. Journal of Bone and Mineral Research
  Abstract
• Gustafsson, Bjørn; Westbroek, I; Waarsing, JH; Waldum, Helge; Solligård, Erik; Brunsvik, Anders. (2006) Long-term serotonin administration leads to higher bone mineral density, affects bone architecture, and leads to higher femoral bone stiffness in rats. Journal of Cellular Biochemistry
  Academic article
• Gustafsson, Bjørn; Bakke, Ingunn; Tømmerås, Karin; Waldum, Helge. (2006) A new method for visualization of gut mucosal cells, describing the enterochromaffin cell in the rat gastrointestinal tract. Scandinavian Journal of Gastroenterology
  Academic article
• Gustafsson, Björn; Vasiliev, Alexander. (2006) Conformal and potential analysis in Hele-Shaw cells. Birkhäuser Verlag Birkhäuser Verlag
  Academic monograph
• Gustafsson, Bjørn; Thommesen, Liv; Tømmeras, K; Stunes, Astrid Kamilla; Tømmerås, Karin; Westbroek, Irene. (2006) Serotonin and fluoxetine modulate bone cell function in vitro. Journal of Cellular Biochemistry
  Academic article

2005

• Westbroek, I; Gustafsson, Bjørn; Waarsing, E; Waldum, Helge; Weinans, H; van Leeuwen, JPT. (2005) Neurotransmitter, serotonin, affects cortical bone architecture in rat femur. Bone
  Abstract
• Gustafsson, Bjørn; Warsing, E; Van Leeuwen, H; Stunes, Astrid Kamilla; Thommesen, Liv; Waldum, Helge. (2005) Anti-depressants, depressing effects on bone?. Journal of Bone and Mineral Research
  Abstract
• Gustafsson, Bjørn; Westbroek, I; Waarsing, E; Thommesen, Liv; Stunes, Astrid Kamilla; Waldum, Helge. (2005) Long-term serotonin administration affects cortical bone architecture and increases bone mineral density in rats. Journal of Bone and Mineral Research
  Abstract
• Waldum, Helge; Gustafsson, Bjørn; Fossmark, Reidar; Qvigstad, Gunnar. (2005) Antiulcer drugs and gastric cancer. Digestive Diseases and Sciences
  Academic literature review
• Gustafsson, Bjørn; Tømmerås, Karin; Nordrum, Ivar Skjåk; Loennechen, Jan Pål; Brunsvik, Anders; Solligård, Erik. (2005) Long-term serotonin administration induces heart valve disease in rats. Circulation
  Academic article
• Westbroek, I; Gustafsson, Bjørn; Waarsing, E; Weinans, H; Van Leeuwen, H; Syversen, Unni. (2005) Neurotransmitter serotonin, affects cortical bone architecture in rat femur. Bone
  Academic article
• Gustafsson, Björn; Vasiliev, Alexander. (2005) Nonbranching weak and starshaped strong solutions for Hele-Shaw dynamics. Archiv der Mathematik
  Academic article

2003

• Gustafsson, Bjørn; Thommesen, Liv; Waldum, Helge; Syversen, Unni. (2003) Serotonin affects bone metabolism in vitro and leads to increased bone mineral density (BMD) in female rats. Journal of Bone and Mineral Research
  Abstract