Genetic Links Between Protease Genes and Inflammatory Bowel Disease
Author Information
Author(s): Cleynen Isabelle, Jüni Peter, Bekkering Geertruida E., Nüesch Eveline, Mendes Camila T., Schmied Stefanie, Wyder Stefan, Kellen Eliane, Villiger Peter M., Rutgeerts Paul, Vermeire Séverine, Lottaz Daniel
Primary Institution: Catholic University Leuven, Leuven, Belgium
Hypothesis
The study investigates the association of protease and protease inhibitor genes with inflammatory bowel disease (IBD).
Conclusion
The systematic review identified several protease and protease inhibitor genes associated with Crohn's disease and ulcerative colitis, with varying levels of evidence.
Supporting Evidence
- 82 protease and protease inhibitor genes were identified for Crohn's disease based on accumulated evidence.
- The top-ranked gene for Crohn's disease was CYLD, with a high evidence score.
- The study included 61 reports and 84 unique studies in the systematic review.
Takeaway
Researchers looked at genes related to proteins that help break down other proteins to see if they are linked to a disease that causes stomach problems.
Methodology
The study systematically reviewed genetic studies on IBD and mapped protease genes to critical genomic regions.
Potential Biases
Potential for publication bias and selective reporting in candidate gene studies.
Limitations
The study could not perform a formal meta-analysis and relied on vote counting methods, which may introduce bias.
Participant Demographics
The studies reviewed primarily involved populations of European ancestry.
Statistical Information
P-Value
p<0.001
Confidence Interval
95% confidence interval −99 to −65
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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