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
  Academic article
• Sridhar, Arun; Bakke, Ingunn; Gopalakrishnan, Shreya; Osoble, Nimo Mukhtar Mohamud; Hammarqvist, Emilie Prytz; Pettersen, Henrik Sahlin. (2025) Tofacitinib and budesonide treatment affect stemness and chemokine release in IBD patient-derived colonoids. Scientific Reports
  Academic article

2024

• 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
  Academic article
• 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

• Walaas, Gunnar Andreas; Gopalakrishnan, Shreya; Bakke, Ingunn; Skovdahl, Helene Kolstad; Flatberg, Arnar; Østvik, Ann Elisabeth. (2023) Physiological hypoxia improves growth and functional differentiation of human intestinal epithelial organoids. Frontiers in Immunology
  Academic article

2022

• 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
  Academic article
• 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
  Academic article

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)
  Academic article
• 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
  Academic article
• Kristensen, Vendel Ailin; Volkmann, Hilde Løland Von; Østvik, Ann Elisabet; Jahnsen, Jørgen. (2021) Medisinsk behandling av Crohns sykdom. NGF-nytt
  Academic literature review
• Bruland, Torunn; Østvik, Ann Elisabet; Sandvik, Arne Kristian; Hansen, Marianne Dore. (2021) Host-Viral Interactions in the Pathogenesis of Ulcerative Colitis. International Journal of Molecular Sciences
  Academic literature review
• Zabana, Yamile; Tontin, Gian; Hultgren-Hörnquist, Elisabeth; Skonieczna-Żydecka, Karolina; Latella, Giovanni; Østvik, Ann Elisabet. (2021) Pathogenesis Of Microscopic Colitis: A Systematic Review. Journal of Crohn's and Colitis
  Academic literature review

2020

• Sandvik, Arne Kristian; Østvik, Ann Elisabet. (2020) IBD-forskning i Midt-Norge. NGF-nytt
  Popular scientific article
• 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
  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
  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
  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
  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
  Academic article
• Miehlke, Stephan; Guagnozzi, Danila; Zabana, Yamile; Tontini, Gian E; Fiehn, Anne-Marie Kanstrup; Wildt, Signe. (2020) European guidelines on microscopic colitis: United European Gastroenterology (UEG) and European Microscopic Colitis Group (EMCG) statements and recommendations. United European Gastroenterology Journal (UEG Journal)
  Academic literature review
• 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
• Østvik, Ann Elisabet. (2020) Mikroskopisk kolitt-en sykdom det er lett å overse. Gastroskopet
  Popular scientific article

2019

• 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
  Academic article

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
  Academic article
• 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
• 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
  Academic article

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
  Academic article

2015

• 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
  Academic article

2014

• Østvik, Ann Elisabet; Sandvik, Arne Kristian; Damås, Jan Kristian; Waldum, Helge. (2014) Innate Immune Responses in Colonic Mucosa During Inflammatory Bowel Disease - Effects of TLR3 Signaling. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU, 1503-8181 (2014:118)
  Doctoral dissertation
• 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

2013

• 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
• 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
  Academic article
• 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
• 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
  Academic article

2012

• 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
  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
  Abstract
• Granlund, Atle; Flatberg, Arnar; Østvik, Ann Elisabet; Drozdov, I; Gustafsson, Björn; Kidd, M. (2012) Dissecting the IBD Transcriptome. Inflammatory Bowel Diseases
  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
  Academic article