2026

• Walaas, Gunnar Andreas Enerhaug; Sridhar, Arun; Kuraas, Lusie Frostvoll; Sæterstad, Siri; Schioldborg, Amanda Yin; Granlund, Atle van Beelen; Sandvik, Arne Kristian; Østvik, Ann Elisabeth; Bakke, Ingunn; Bruland, Torunn. (2026) Patient-matched transcriptomics of in vivo and in vitro colonic epithelium substantiate organoids as a translational model for ulcerative colitis. Scientific Reports
  Academic article
• Hjelle, Heidi; Myklebust, Tor Åge; Granlund, Atle van Beelen; Østvik, Ann Elisabeth; Ness-Jensen, Eivind. (2026) Long-term changes in disease extent and severity in ulcerative colitis: a population-based cohort from the Norwegian HUNT study, (2002–2024). Scandinavian Journal of Gastroenterology
  Academic article

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; Sandvik, Arne Kristian; Østvik, Ann Elisabeth; Hansen, Marianne Dore; Bruland, Torunn. (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
  Corrigendum

2023

• Walaas, Gunnar Andreas; Gopalakrishnan, Shreya; Bakke, Ingunn; Skovdahl, Helene Kolstad; Flatberg, Arnar; Østvik, Ann Elisabeth; Sandvik, Arne Kristian; Bruland, Torunn. (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; Bakke, Ingunn; Sandvik, Arne Kristian; Bruland, Torunn. (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; Münch, Andreas. (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; Thorsvik, Silje; Münch, Andreas; Sandvik, Arne Kristian; Østvik, Ann Elisabet. (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; Marlicz, Wojciech; d'Amato, Mauro; Arias, Angel; Miehlke, Stephan. (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 science article
• Escudero-Hernandez, Celia; Granlund, Atle van Beelen; Bruland, Torunn; Sandvik, Arne Kristian; Koch, Stefan; Østvik, Ann Elisabet; Münch, Andreas. (2020) Whole-genome RNA sequencing in collagenous colitis: a subgroup analysis. Journal of Crohn`s and Colitis
  Conference 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
  Conference abstract
• Bakke, Ingunn; Bruland, Torunn; Eriksen, Kaja Sørgård; Skovdahl, Helene Kolstad; Gopalakrishnan, Shreya; Thorsvik, Silje; Granlund, Atle van Beelen; Sandvik, Arne Kristian; Østvik, Ann Elisabet. (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
  Conference abstract
• Walaas, Gunnar Andreas; Bakke, Ingunn; Granlund, Atle van Beelen; Escudero-Hernandez, Celia; Bruland, Torunn; Røyset, Elin Synnøve; Thorsvik, Silje; Münch, Andreas; Østvik, Ann Elisabet; Sandvik, Arne Kristian. (2020) Neutrophil gelatinase-associated lipocalin (NGAL) as biomarker in collagenous colitis. Journal of Crohn`s and Colitis
  Conference 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; Bohr, Johan; Bonderup, Ole K.; Bouma, Gerd; D’Amato, Mauro. (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; Thorsvik, Silje; Afroz, Wahida; Walaas, Gunnar Andreas; Mollnes, Tom Eirik. (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 science article

2019

• Thorsvik, Silje; Granlund, Atle van Beelen; Svendsen, Tarjei Dahl; Bakke, Ingunn; Røyset, Elin Synnøve; Flo, Trude Helen; Damås, Jan Kristian; Østvik, Ann Elisabet; Bruland, Torunn; Sandvik, Arne Kristian. (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; Sandvik, Arne Kristian. (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; Afroz, Wahida; Skovdahl, Helene Kolstad; Mollnes, Tom Eirik; Gustafsson, Björn. (2018) Tu1753 - type 1 Interferon Signaling in Intestinal Epithelial Cells During Active Inflammatory Bowel Disease. Gastroenterology
  Conference abstract
• Skovdahl, Helene Kolstad; Damås, Jan Kristian; Granlund, Atle van Beelen; Østvik, Ann Elisabet; Doseth, Berit; Bruland, Torunn; Mollnes, Tom Eirik; Sandvik, Arne Kristian. (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; Sandvik, Arne Kristian. (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; Damås, Jan Kristian; Sandvik, Arne Kristian. (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
  Doctoral thesis
• Østvik, Ann Elisabet; Granlund, Atle Van Beelen; Gustafsson, Björn; Torp, Sverre Helge; Espevik, Terje; Mollnes, Tom Eirik; Damås, Jan Kristian; Sandvik, Arne Kristian. (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; Damås, Jan Kristian; Espevik, Terje; Sandvik, Arne Kristian. (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; Beisvag, Vidar; Torp, Sverre Helge; Waldum, Helge; Martinsen, Tom Christian. (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; Flo, Trude Helen; Espevik, Terje; Damås, Jan Kristian; Sandvik, Arne Kristian. (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; Damås, Jan Kristian; Sandvik, Arne Kristian. (2012) Induction of Lipocalin-2 in Colonic Epithelial Cells in Inflammatory Bowel Disease. Inflammatory Bowel Diseases
  Conference abstract
• Østvik, Ann Elisabet; Nilsen, Nadra; Granlund, Atle; Torp, Sverre Helge; Flatberg, Arnar; Waldum, Helge; Espevik, Terje; Damås, Jan Kristian; Sandvik, Arne Kristian. (2012) Enhanced expression of CXCL10 in inflammatory bowel disease-role of mucosal TLR3 stimulation. Journal of Crohn’s and Coltis Supplements
  Conference abstract
• Granlund, Atle; Flatberg, Arnar; Østvik, Ann Elisabet; Drozdov, I; Gustafsson, Björn; Kidd, M; Beisvag, Vidar; Torp, Sverre Helge; Waldum, Helge; Martinsen, Tom Christian. (2012) Dissecting the IBD Transcriptome. Inflammatory Bowel Diseases
  Conference abstract

2011

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