Association between the MYO9B polymorphisms and celiac disease risk: a meta-analysis.

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Abstract

BACKGROUND

There is no consensus regarding the association between polymorphisms in the myosin IXB (MYO9B) gene and celiac disease (CD) risk. In this study, we performed a meta-analysis to evaluate genetic variants in MYO9B with CD.

METHODS

Four MYO9B polymorphisms (rs1545620, rs1457092, rs2305767 and rs2305764) were assessed. A literature search was conducted using PubMed, Scopus, and Web of Science databases until June 2015. Odds ratio (OR) and 95% confidence interval (CI) were used to investigate the strength of the association under dominant, recessive, homozygote and allelic comparison models.

RESULTS

Seven case-control studies with a total of 1965 CD patients and 4894 controls were included in this meta-analysis. The results showed that rs1545620 was associated with CD risk in Europeans in dominant (OR=1.31, 95% CI: 1.10-1.58, Pz =0.003), recessive (OR=1.36, 95% CI: 1.08-1.72, Pz =0.009), homozygote (OR=1.55, 95% CI: 1.20-2.01, Pz =0.001), and allelic comparison models (OR=1.24, 95% CI: 1.10-1.40, Pz =0.001), whereas in a Latin American group there were significant associations of CD with rs1457092 in dominant (OR=15.30, 95% CI: 3.51-66.67, Pz <0.001), homozygote (OR=16.55, 95% CI: 3.62-75.65, Pz <0.001), and allelic comparison models (OR=1.95, 95% CI: 1.31-2.91, Pz =0.001), and rs2305767 in dominant (OR=5.35, 95% CI: 2.42-11.86, Pz <0.001) and allelic comparison models (OR=1.65, 95% CI: 1.11-2.45, Pz =0.013). There was no association between rs2305764 and CD risk in either Europeans or the Latin American group.

CONCLUSION

rs1545620 is associated with CD risk in Europeans, whereas rs1457092 and rs2305767 are associated with CD risk in a Latin American group.

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