The association of VDR polymorphisms and type 2 diabetes in older people living in community in Santiago de Chile.
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ABSTRACT: INTRODUCTION:Several polymorphisms have been associated with obesity and type 2 diabetes in different populations. OBJECTIVE:To investigate the frequencies of a genetic polymorphism of vitamin D receptor (FokI and BsmI) in patients with T2D. METHODS:The case-control study was conducted in 138 patients with T2D and 172 control subjects, men and women (60-79 years old). The genotype and allele frequency determination of VDR polymorphisms were determined in these subjects. RESULTS:The frequency of the C allele of the FokI polymorphism was significantly higher in the T2D group than in healthy subjects (p?=?0.025). The frequencies of the BsmI variant were similar in subjects with and without T2D (p?=?0.747). Consistent with these data, there was an association of the C allele with T2D (OR?=?1.74, 95% CI?=?1.003-3.084, p?=?0.036), but not the AG?+?GG variants for BsmI (OR?=?1.02, 95% CI?=?0.635-1.649, p?=?0.916). We can observe a significant association between carrier of the T?>?C variant of FokI and type 2 diabetes, adjusted for vitamin D, age, obesity (overweight and obesity), seasonality, sex and Homa-IR. Here, we show a significant association between the FokI polymorphisms (TC?+?CC) and T2D with an odds ratio of 1.9001 (95% CI (1.0970-3.6838), p?=?0.041). CONCLUSION:Our study suggests that the C allele (TC?+?CC) of the VDR-FokI gene is a possible risk factor for T2D in older people living in a community in Santiago de Chile.
SUBMITTER: Angel B
PROVIDER: S-EPMC5968031 | biostudies-literature | 2018 May
REPOSITORIES: biostudies-literature
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