Single-nucleotide polymorphisms in peroxisome proliferator-activated receptor 𝛾 and their association with plasma levels of resistin and the metabolic syndrome in a South Indian population
Studies on the association of the Pro12Ala and C1431T polymorphisms of PPAR𝛾 with diabetes and obesity have revealed extensive population-dependent variations. However, association of these polymorphisms with the metabolic syndrome and its individual components has not been well investigated in the Indian population. The Indian population harbours the maximum number of diabetics in the world who are thus more susceptible to metabolic disorders. We screened a South Indian population (𝑁 = 699) for a possible association of these polymorphisms with the metabolic syndrome (MS) and type 2 diabetes. We also investigated the correlation of these two single-nucleotide polymorphisms (SNPs) with plasma resistin levels. The C1431T SNP was associated with higher levels of plasma resistin (𝑃 = 0.017). Furthermore, C1431T was associated with resistin in different tertiles. Prevalence of the ‘Pro-C’ haplotype decreased with increasing tertiles of resistin (84.1% to 75.4%, 𝑃 = 0.037). Plasma resistin levels were not found to be associated with MS and type 2 diabetes. These results point to a likely association of plasma resistin levels with PPAR𝛾 polymorphisms in the Indian population.
Volume 46, 2021
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