ArticleJournal of Crohn's & colitis2021
Genetic Risk Scores Identify Genetic Aetiology of Inflammatory Bowel Disease Phenotypes.
Article in Journal of Crohn's & colitis, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 13 citations in OpenAlex.
- A Multitrait Analysis of Genome-Wide Association Study Reveals the Shared Genetic Architecture Between Inflammatory Bowel Disease and Ankylosing Spondylitis.Mediators of inflammation · 2025Article
- Deciphering the immunocellular regulatory network in inflammatory bowel disease: from susceptibility genes to cellular effectors and toward precision therapies.Frontiers in immunology · 2025Review
- Plasma protein-based and polygenic risk scores serve complementary roles in predicting inflammatory bowel disease.Pacific Symposium on Biocomputing. Pacific Symposium on Biocomputing · 2025Article
- Are We Ready to Reclassify Crohn's Disease Using Molecular Classification?Journal of clinical medicine · 2023Article
- Pharmacologic Management of Monogenic and Very Early Onset Inflammatory Bowel Diseases.Pharmaceutics · 2023Review
- Network Pharmacology and Molecular Docking Analysis on Molecular Mechanism of Qingzi Zhitong Decoction in the Treatment of Ulcerative Colitis.Frontiers in pharmacology · 2022Article
- Network Pharmacology-Based Validation of the Efficacy ofFrontiers in pharmacology · 2021Article
- The Pharmacological Mechanism ofFrontiers in pharmacology · 2021Article
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Authors and funding
14 authors at 8 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsInflammatory bowel disease [IBD] phenotypes are very heterogeneous between patients, and current clinical and molecular classifications do not accurately predict the course that IBD will take over time. Genetic determinants of disease phenotypes remain largely unknown but could aid drug development and allow for personalised management. We used genetic risk scores [GRS] to disentangle the genetic contributions to IBD phenotypes.
methodsClinical characteristics and imputed genome-wide genetic array data of patients with IBD were obtained from two independent cohorts [cohort A, n = 1097; cohort B, n = 2156]. Genetic risk scoring [GRS] was used to assess genetic aetiology shared across traits and IBD phenotypes. Significant GRS-phenotype (false-discovery rate [FDR] corrected p <0.05) associations identified in cohort A were put forward for replication in cohort B.
resultsCrohn's disease [CD] GRS were associated with fibrostenotic CD [R2 = 7.4%, FDR = 0.02] and ileocaecal resection [R2 = 4.1%, FDR = 1.6E-03], and this remained significant after correcting for previously identified clinical and genetic risk factors. Ulcerative colitis [UC] GRS [R2 = 7.1%, FDR = 0.02] and primary sclerosing cholangitis [PSC] GRS [R2 = 3.6%, FDR = 0.03] were associated with colonic CD, and these two associations were largely driven by genetic variation in MHC. We also observed pleiotropy between PSC genetic risk and smoking behaviour [R2 = 1.7%, FDR = 0.04].
conclusionsPatients with a higher genetic burden of CD are more likely to develop fibrostenotic disease and undergo ileocaecal resection, whereas colonic CD shares genetic aetiology with PSC and UC that is largely driven by variation in MHC. These results further our understanding of specific IBD phenotypes.
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