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Association of NOD1 (CARD4) insertion/deletion polymorphism with susceptibility to IBD: A meta-analysis
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作者 Lu, Wei-Guo Zou, Yan-Feng +6 位作者 Feng, Xiao-liang Yuan, Feng-Lai Gu, Yuan-Long li, Xia li, Cheng-Wan Jin, Cheng li, jian-ping 《World Journal of Gastroenterology》 SCIE CAS CSCD 2010年第34期4348-4356,共9页
AIM: To find evidences about whether NOD1/CARD4 insertion/deletion polymorphism is associated with inflammatory bowel disease by meta-analysis. METHODS: We surveyed the studies on the association of NOD1/CARD4 inserti... AIM: To find evidences about whether NOD1/CARD4 insertion/deletion polymorphism is associated with inflammatory bowel disease by meta-analysis. METHODS: We surveyed the studies on the association of NOD1/CARD4 insertion/deletion polymorphism with inflammatory bowel disease in PubMed. Meta-analysis was performed for genotypes GG/T vs T/T, GG/GG vs T/T, GG/T + GG/GG vs T/T, GG/GG vs T/T + GG/T, and GG allele vs T allele in a fixed/random effect model. RESULTS: We identified 8 studies (6439 cases and 4798 controls) in Caucasian populations using PubMed search. We found no association between NOD1/CARD4 insertion/deletion polymorphism and inflammatory bowel disease, Crohn's disease, and ulcerative colitis. Stratification of cases by age showed that NOD1/CARD4 insertion/deletion polymorphism was associated with inflammatory bowel disease in younger age group at onset (< 40 years) (GG vs T: OR = 0.68, 95% CI: 0.50-0.93, P = 0.02; GG/T + GG/GG vs T/T: OR = 0.71, 95% CI: 0.59-0.85, P = 0.0003). CONCLUSION: This meta-analysis demonstrates an association between NOD1/CARD4 insertion/deletion polymorphism and inflammatory bowel disease in the younger age group at onset (< 40 years) in Caucasian populations. 展开更多
关键词 NOD1 CARD4 Genetic polymorphisms Inflammatory bowel disease META-ANALYSIS
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