What question did this study set out to answer?

To review the genetic architecture of Crohn's disease and ulcerative colitis revealed by genome-wide association studies, focusing on shared susceptibility loci and pathways common to other complex diseases.

February 7, 2011Gut

New IBD genetics: common pathways with other diseases

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Authors

CLCharlie W. LeesWestern General Hospital JBJeffrey C. BarrettWesleyan University MPMiles ParkesCambridge University Hospitals NHS Foundation Trust

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Implication

Literature review reveals shared genetic susceptibility loci across inflammatory bowel disease and complex disorders, highlighting common biological pathways for targeted therapeutics.

Key Points

To review the genetic architecture of Crohn's disease and ulcerative colitis revealed by genome-wide association studies, focusing on shared susceptibility loci and pathways common to other complex diseases.
Synthesized findings from published genome-wide association studies that identified 99 susceptibility loci across Crohn's disease and ulcerative colitis.
Evaluated genetic and epidemiological overlaps between inflammatory bowel disease and other immune-mediated and metabolic disorders, including diabetes mellitus.
Cataloged 99 inflammatory bowel disease susceptibility loci (71 for Crohn's disease and 47 for ulcerative colitis), with roughly one-third shared across both diseases, notably involving IL23/Th17 signaling.
Identified distinct disease-specific pathways, including impaired intracellular bacterial handling and autophagy (NOD2, IRGM, ATG16L1) in Crohn's disease versus epithelial barrier dysfunction (HNF4A, LAMB1, CDH1, GNA12) in ulcerative colitis.
Demonstrated marked genetic overlap between inflammatory bowel disease and clinically distinct conditions such as type 1 and type 2 diabetes mellitus.

Cite This Study

Lees et al. (2011) studied this question.

synapsesocial.com/papers/6a0cc3953239dcc1e46255db https://doi.org/10.1136/gut.2009.199679

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Implication

Literature review reveals shared genetic susceptibility loci across inflammatory bowel disease and complex disorders, highlighting common biological pathways for targeted therapeutics.

New IBD genetics: common pathways with other diseases

Discussion

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Implication

Key Points

Cite This Study

New IBD genetics: common pathways with other diseases

Discussion

Member takes

Implication

Key Points

Cite This Study

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