2025

• Hjelle, Heidi; Myklebust, Tor Åge; Granlund, Atle van Beelen; Østvik, Ann Elisabeth; Ness-Jensen, Eivind. (2025) Changes in prevalence and incidence of inflammatory bowel disease over 30 years: a population-based cohort study, the HUNT study. Scandinavian Journal of Gastroenterology
  Vitenskapelig artikkel

2024

• Campo, Martin; Hjelle, Heidi; Granlund, Atle van Beelen; Sandvik, Arne Kristian; Ness-Jensen, Eivind. (2024) The relationship between weight change and inflammatory bowel disease. A population-based cohort study, the HUNT study. Scandinavian Journal of Gastroenterology
  Vitenskapelig artikkel
• Sæterstad, Siri; Østvik, Ann Elisabeth; Hansen, Marianne Dore; Bruland, Torunn; Granlund, Atle van Beelen. (2024) The effect of rs2910686 on ERAP2 expression in IBD and epithelial inflammatory response. Journal of Translational Medicine
  Vitenskapelig artikkel
• Sæterstad, Siri; Østvik, Ann Elisabeth; Hansen, Marianne Dore; Bruland, Torunn; Granlund, Atle van Beelen. (2024) Correction to: The effect of rs2910686 on ERAP2 expression in IBD and epithelial inflammatory response(Journal of Translational Medicine, (2024), 22, 1, (750), 10.1186/s12967-024-05532-w). Journal of Translational Medicine
  Errata

2023

• Catalan-Serra, Ignacio; Thorsvik, Silje; Beisvag, Vidar; Bruland, Torunn; Underhill, David; Sandvik, Arne Kristian. (2023) Fungal Microbiota Composition in Inflammatory Bowel Disease Patients: Characterization in Different Phenotypes and Correlation With Clinical Activity and Disease Course. Inflammatory Bowel Diseases
  Vitenskapelig artikkel
• Gopalakrishnan, Shreya; Bakke, Ingunn; Hansen, Marianne Dore; Skovdahl, Helene Kolstad; Granlund, Atle van Beelen; Sandvik, Arne Kristian. (2023) Comprehensive protocols for culturing and molecular biological analysis of IBD patient-derived colon epithelial organoids. Frontiers in Immunology
  Vitenskapelig artikkel
• Balderramo, Domingo C.; Romagnoli, Pablo Alberto; Granlund, Atle van Beelen; Catalan-Serra, Ignacio. (2023) Fecal Fungal Microbiota (Mycobiome) Study as a Potential Tool for Precision Medicine in Inflammatory Bowel Disease. Gut and Liver
  Vitenskapelig oversiktsartikkel/review

2022

• Olaisen, Maya; Richard, Mathias L.; Beisvag, Vidar; Granlund, Atle van Beelen; Røyset, Elin Synnøve; Rué, Olivier. (2022) The ileal fungal microbiota is altered in Crohn's disease and is associated with the disease course. Frontiers in Medicine
  Vitenskapelig artikkel
• Gopalakrishnan, Shreya; Hansen, Marianne Dore; Skovdahl, Helene Kolstad; Roseth, Ingrid Aass; Granlund, Atle van Beelen; Østvik, Ann Elisabet. (2022) Tofacitinib Downregulates TNF and Poly(I:C)-Dependent MHC-II Expression in the Colonic Epithelium. Frontiers in Immunology
  Vitenskapelig artikkel
• Sæterstad, Siri; Østvik, Ann Elisabet; Røyset, Elin Synnøve; Bakke, Ingunn; Sandvik, Arne Kristian; Granlund, Atle van Beelen. (2022) Profound gene expression changes in the epithelial monolayer of active ulcerative colitis and Crohn's disease. PLOS ONE
  Vitenskapelig artikkel

2021

• Escudero-Hernandez, Celia; Granlund, Atle van Beelen; Bruland, Torunn; Sandvik, Arne Kristian; Koch, Stefan; Østvik, Ann Elisabet. (2021) Transcriptomic Profiling of Collagenous Colitis Identifies Hallmarks of Nondestructive Inflammatory Bowel Disease. Cellular and Molecular Gastroenterology and Hepatology (CMGH)
  Vitenskapelig artikkel
• Bakke, Ingunn; Walaas, Gunnar Andreas; Bruland, Torunn; Røyset, Elin Synnøve; Granlund, Atle van Beelen; Escudero-Hernandez, Celia. (2021) Mucosal and faecal neutrophil gelatinase-associated lipocalin as potential biomarkers for collagenous colitis. Journal of gastroenterology
  Vitenskapelig artikkel
• Skovdahl, Helene Kolstad; Gopalakrishnan, Shreya; Svendsen, Tarjei Dahl; Granlund, Atle van Beelen; Bakke, Ingunn; Ginbot, Zekarias. (2021) Patient derived colonoids as drug testing platforms-Critical importance of oxygen concentration. Frontiers in Pharmacology
  Vitenskapelig artikkel

2020

• Olaisen, Maya; Flatberg, Arnar; Granlund, Atle van Beelen; Røyset, Elin Synnøve; Martinsen, Tom Christian; Sandvik, Arne Kristian. (2020) Bacterial Mucosa-associated Microbiome in Inflamed and Proximal Noninflamed Ileum of Patients With Crohn's Disease. Inflammatory Bowel Diseases
  Vitenskapelig artikkel
• Escudero-Hernandez, Celia; Granlund, Atle van Beelen; Bruland, Torunn; Sandvik, Arne Kristian; Koch, Stefan; Østvik, Ann Elisabet. (2020) Whole-genome RNA sequencing in collagenous colitis: a subgroup analysis. Journal of Crohn`s and Colitis
  Sammendrag/Abstract
• Sæterstad, Siri; Østvik, Ann Elisabet; Sandvik, Arne Kristian; Granlund, Atle van Beelen. (2020) Gene expression landscape of epithelial monolayer in inflammatory bowel disease. Journal of Crohn`s and Colitis
  Sammendrag/Abstract
• Bakke, Ingunn; Bruland, Torunn; Eriksen, Kaja Sørgård; Skovdahl, Helene Kolstad; Gopalakrishnan, Shreya; Thorsvik, Silje. (2020) Differences in expression of PPARγ in small intestine vs. colon impact the effect of 5-aminosalicylates in inflammatory bowel disease. Journal of Crohn`s and Colitis
  Sammendrag/Abstract
• Walaas, Gunnar Andreas; Bakke, Ingunn; Granlund, Atle van Beelen; Escudero-Hernandez, Celia; Bruland, Torunn; Røyset, Elin Synnøve. (2020) Neutrophil gelatinase-associated lipocalin (NGAL) as biomarker in collagenous colitis. Journal of Crohn`s and Colitis
  Sammendrag/Abstract
• Escudero-Hernandez, Celia; Münch, Andreas; Østvik, Ann Elisabet; Granlund, Atle van Beelen; Koch, Stefan. (2020) The water channel aquaporin 8 is a critical regulator of intestinal fluid homeostasis in collagenous colitis. Journal of Crohn's and Colitis
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• Olaisen, Maya; Flatberg, Arnar; Granlund, Atle van Beelen; Røyset, Elin Synnøve; Martinsen, Tom Christian; Sandvik, Arne Kristian. (2020) P833 Bacterial mucosa-associated microbiome in inflamed and proximal non-inflamed ileum of patients with Crohn’s disease. Journal of Crohn's and Colitis
  Sammendrag/Abstract

2019

• Olaisen, Maya; Spigset, Olav; Flatberg, Arnar; Granlund, Atle van Beelen; Brede, wenche Rødseth; Albrektsen, Grethe. (2019) Mucosal 5-aminosalicylic acid concentration, drug formulation and mucosal microbiome in patients with quiescent ulcerative colitis. Alimentary Pharmacology and Therapeutics
  Vitenskapelig artikkel
• Thorsvik, Silje; Granlund, Atle van Beelen; Svendsen, Tarjei Dahl; Bakke, Ingunn; Røyset, Elin Synnøve; Flo, Trude Helen. (2019) Ulcer-associated cell lineage expresses genes involved in regeneration and is hallmarked by high neutrophil gelatinase-associated lipocalin (NGAL) levels. Journal of Pathology
  Vitenskapelig artikkel

2018

• Thorsvik, Silje; Bakke, Ingunn; Granlund, Atle van Beelen; Røyset, Elin Synnøve; Damås, Jan Kristian; Østvik, Ann Elisabeth. (2018) Expression of neutrophil gelatinase-associated lipocalin (NGAL) in the gut in Crohn's disease. Cell and Tissue Research
  Vitenskapelig artikkel
• 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
  Sammendrag/Abstract
• Skovdahl, Helene Kolstad; Damås, Jan Kristian; Granlund, Atle van Beelen; Østvik, Ann Elisabet; Doseth, Berit; Bruland, Torunn. (2018) C-C Motif Ligand 20 (CCL20) and C-C Motif Chemokine Receptor 6 (CCR6) in Human Peripheral Blood Mononuclear Cells: Dysregulated in Ulcerative Colitis and a Potential Role for CCL20 in IL-1β Release. International Journal of Molecular Sciences
  Vitenskapelig artikkel

2017

• Thorsvik, Silje; Damås, Jan Kristian; Granlund, Atle van Beelen; Flo, Trude Helen; Bergh, Kåre; Østvik, Ann Elisabet. (2017) Fecal neutrophil gelatinase-associated lipocalin as a biomarker for inflammatory bowel disease. Journal of Gastroenterology and Hepatology
  Vitenskapelig artikkel

2015

• Goll, Rasmus; Granlund, Atle Van Beelen. (2015) Intestinal barrier homeostasis in inflammatory bowel disease. Scandinavian Journal of Gastroenterology
  Vitenskapelig oversiktsartikkel/review
• Granlund, Atle Van Beelen. (2015) Den intentinale barriærefunksjon og dets rolle i inflammatorisk tarmsykdom. BestPractice Gastroenterologi
  Fagartikkel
• Granlund, Atle Van Beelen. (2015) RNA sequencing of laser microdissected tissue - Towards resolving the complex tissue problem. NBS-nytt
  Fagartikkel
• Skovdahl, Helene Kolstad; Granlund, Atle Van Beelen; Østvik, Ann Elisabet; Bruland, Torunn; Bakke, Ingunn; Torp, Sverre Helge. (2015) Expression of CCL20 and its corresponding receptor CCR6 is enhanced in active inflammatory bowel disease, and TLR3 mediates CCL20 expression in colonic epithelial cells. PLOS ONE
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel

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
  Vitenskapelig artikkel

2013

• 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
  Vitenskapelig artikkel
• 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
  Sammendrag/Abstract
• 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
  Vitenskapelig artikkel
• Østvik, Ann Elisabet; Granlund, Atle; Bugge, Marit; Nilsen, Nadra; Torp, Sverre Helge; Waldum, Helge. (2013) Enhanced expression of CXCL10 in inflammatory bowel disease: Potential role of mucosal toll-like 3 receptor stimulation. Inflammatory Bowel Diseases
  Vitenskapelig artikkel
• Granlund, Atle Van Beelen. (2013) Nye doktorgrader - Atle van Beelen Granlund. NBS-nytt
  Sammendrag/Abstract
• 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
  Vitenskapelig artikkel
• Granlund, Atle Van Beelen. (2013) Colonic mucosal gene expression in inflammatory bowel disease. NTNU NTNU
  Doktorgradsavhandling
• Østvik, Ann Elisabet; Granlund, Atle Van Beelen; Torp, Sverre Helge; Flatberg, Arnar; Beisvag, Vidar; Waldum, Helge. (2013) Expression of Toll-like receptor-3 is enhanced in active inflammatory bowel disease and mediates the excessive release of lipocalin 2. Clinical and Experimental Immunology
  Vitenskapelig artikkel

2012

• 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
  Vitenskapelig artikkel
• 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
  Sammendrag/Abstract
• Østvik, Ann Elisabet; Granlund, Atle Van Beelen; Torp, Sverre Helge; Flatberg, Arnar; Waldum, Helge; Espevik, Terje. (2012) Induction of Lipocalin-2 in Colonic Epithelial Cells in Inflammatory Bowel Disease. Inflammatory Bowel Diseases
  Sammendrag/Abstract
• Østvik, Ann Elisabet; Nilsen, Nadra; Granlund, Atle; Torp, Sverre Helge; Flatberg, Arnar; Waldum, Helge. (2012) Enhanced expression of CXCL10 in inflammatory bowel disease-role of mucosal TLR3 stimulation. Journal of Crohn’s and Coltis Supplements
  Sammendrag/Abstract
• Granlund, Atle; Flatberg, Arnar; Østvik, Ann Elisabet; Drozdov, I; Gustafsson, Björn; Kidd, M. (2012) Dissecting the IBD Transcriptome. Inflammatory Bowel Diseases
  Sammendrag/Abstract

2011

• Granlund, Atle Van Beelen; Beisvag, Vidar; Torp, Sverre Helge; Flatberg, Arnar; Kleveland, Per Martin; Østvik, Ann Elisabet. (2011) Activation of REG family proteins in colitis. Scandinavian Journal of Gastroenterology
  Vitenskapelig artikkel

2005

• Granlund, Atle van Beelen; Johansen, Berit. (2005) The development of a method for the study of gastrin induced cell responses using MALDI-TOF mass spectrometry and chemometrics. NTNU, Institutt for biologi NTNU, Institutt for biologi
  Mastergradsoppgave