CDC123/CAMK1D gene rs12779790 polymorphism and rs10811661 polymorphism upstream of the CDKN2A/2B gene in women with gestational diabetes

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Abstract

OBJECTIVE:

Gestational diabetes mellitus (GDM) is carbohydrate intolerance occurring in pregnant women. CDC123/CAMK1D and CDKN2A/2B are associated with increased risk of type 2 diabetes and may affect pancreatic beta cell function. The aim of this study was to examine the association between CDKN2A/2B rs10811661 and CDC123/CAMK1D rs12779790 gene polymorphisms and GDM.

STUDY DESIGN:

This study included 411 pregnant women. The diagnosis of GDM was based on the International Association of Diabetes and Pregnancy Study Groups criteria. According to the results of their oral glucose tolerance test, the women were divided into two groups: 204 pregnant women with GDM and 207 pregnant women with normal glucose tolerance.

RESULTS:

There were no statistically significant differences in the distribution of CDC123/CAMK1D rs12779790 genotypes and alleles between women with GDM and healthy pregnant women. However, there was a statistically significant association between the C allele of CDKN2A/2B rs10811661 polymorphism and reduced risk of GDM (C vs T, OR 0.53, 95% CI 0.36 to 0.79, P = 0.0014). In the multivariate logistic regression analysis, older age and higher body mass index before pregnancy were independent significant predictors of a higher risk of GDM, while higher number of C alleles (CDKN2A/2B rs10811661) was a protective factor against GDM.

CONCLUSION:

The results of this study suggest an association between CDKN2A/2B gene rs10811661 polymorphism and GDM.

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