Christine Olbjørn

University of Oslo — Norway

Biochemistry, Genetics and Molecular Biology · Life Sciences

15h-index802citations64works3.32yr avg
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Research Topics

Inflammatory Bowel Disease(39), Microscopic Colitis(26), Gut microbiota and health(11), Clostridium difficile and Clostridium perfringens research(6), Immunodeficiency and Autoimmune Disorders(6)

Publications63 total

Chronic nonbacterial osteomyelitis associated with pediatric inflammatory bowel disease: A multicenter retrospective study from the Paediatric inflammatory bowel disease Porto Group of ESPGHAN
Journal of Pediatric Gastroenterology and Nutrition·2025
Specific phenotypes may drive an increased incidence of pediatric inflammatory bowel disease in South‐Eastern Norway
Journal of Pediatric Gastroenterology and Nutrition·2025Open Access
Analyzing the T cell receptor repertoire of 2,804 individuals with inflammatory bowel disease identifies public T cell responses involved in the pathogenesis
2025· 1 citedOpen Access
Real-World Experience with Upadacitinib for Pediatric Acute Severe Ulcerative Colitis: An International Multicenter Retrospective Study from the Pediatric IBD Porto Group of ESPGHAN
Inflammatory Bowel Diseases·2025· 1 citedOpen Access
Multi-centered T cell repertoire profiling identifies novel alterations in the immune repertoire of individuals with inflammatory bowel disease and validates previous findings
2025· 1 citedOpen Access
Microbial Patterns in Newly Diagnosed Inflammatory Bowel Disease Revealed by Presence and Transcriptional Activity - Relationship to Diagnosis and Outcome
Clinical and Experimental Gastroenterology·2025Open Access
FRI-034 Crohn’s associated invariant T (CAIT) cell subphenotype analysis for inflammatory bowel disease and primary sclerosing cholangitis
Journal of Hepatology·2025
Fecal Microbiome Reflects Disease State and Prognosis in Inflammatory Bowel Disease in an Adult Population-Based Inception Cohort
Inflammatory Bowel Diseases·2025· 2 citedOpen Access
Upadacitinib for Induction of Remission in Paediatric Crohn's Disease: An International Multicentre Retrospective Study
Alimentary Pharmacology & Therapeutics·2025· 14 citedOpen Access
DOP055 Upadacitinib for induction of remission in pediatric Crohn’s disease: An international multicenter study
Journal of Crohn s and Colitis·2025Open Access
P0125 Crohn’s-associated invariant T Cells are associated with disease severity and location and are not affected by medication intake
Journal of Crohn s and Colitis·2025· 2 cited
DOP051 Upadacitinib for induction of remission in pediatric Ulcerative Colitis: An international multicenter study
Journal of Crohn s and Colitis·2025
Upadacitinib for Induction of Remission in Pediatric Ulcerative Colitis: An International Multicenter Study
Journal of Crohn s and Colitis·2024· 11 cited
Longitudinal Fecal Microbiota Profiles in A Cohort of Non-Hospitalized Adolescents and Young Adults with COVID-19: Associations with SARS-CoV-2 Status and Long-Term Fatigue
Pathogens·2024· 2 citedOpen Access
Longitudinal Fecal Microbiota Profiles in a Cohort of Non-Hospitalized Adolescents and Young Adults with COVID-19: Associations with SARS-CoV-2 Status and Long-Term Fatigue
Preprints.org·2024Open Access
Exploring Alterations in the Gut Resistome in Medically Treated Inflammatory Bowel Disease Patients 
2024· 1 citedOpen Access
Infantile and Very Early Onset Inflammatory Bowel Disease: A Multicenter Study
PEDIATRICS·2024· 12 citedOpen Access
Identification and validation of a blood- based diagnostic lipidomic signature of pediatric inflammatory bowel disease
Nature Communications·2024· 16 citedOpen Access
P383 Chronic Recurrent Multifocal Osteomyelitis associated with Paediatric Inflammatory Bowel disease: A Multi-Center Retrospective Study from the Paediatric IBD Porto Group of ESPGHAN
Journal of Crohn s and Colitis·2024Open Access
Dual Biologic or Small Molecule Therapy in Refractory Pediatric Inflammatory Bowel Disease (DOUBLE-PIBD): A Multicenter Study from the Pediatric IBD Porto Group of ESPGHAN
Inflammatory Bowel Diseases·2023· 36 citedOpen Access
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Frequent Co-authors

Petr Ricanek(20), Gøri Perminow(18), Jonas Halfvarson(16), Trond Espen Detlie(15), Jørgen Jahnsen(13), Johan D. Söderholm(13), Morten H. Vatn(13), Mauro D’Amato(12), Simen Vatn(12), Rahul Kalla(11), Fernando Gomollón(11), Milada Cvancarova Småstuen(11), Jonas Christoffer Lindstrøm(11), Daniel Bergemalm(10), Dirk Repsilber(10), Nicholas A. Kennedy(10), Marte Lie Høivik(10), Anat Yerushalmy‐Feler(10), Alex Adams(9), Marta Gut(9)