The Relationship of Single Nucleotide Polymorphisms in the TRPV1 Gene with Lipid Profile, Glucose, and Blood Pressure in Mexican Population.

We analyzed the frequencies of the rs222749 G>A, rs222747 G>C, rs224534 G>A, and rs8065080 C > T polymorphisms in the TRPV1 gene and their relationships with biomarkers in a Mexican population. We included 195 students from two Mexican universities (72.3% female and 27.7% male, mean age, 20.8 ± 3.3 years). The biomarkers analyzed were lipid profile, glucose levels, blood pressure (BP), and body mass index. DNA was obtained from leukocytes by the dodecyltrimethylammonium bromide and cetyltrimethylammonium bromide method and polymorphisms were determined with TaqMan single nucleotide polymorphism (SNP) genotyping assays. Alterations in lipid profile were total cholesterol ≥200 mg/dL in 9.7% of participants, triglycerides (TG) ≥150 mg/dL in 9.2%, high-density lipoprotein (HDL) <35 mg/dL in 6.7%, and low-density lipoprotein (LDL) ≥130 mg/dL in 6.2% of participants. Moreover, 8.2% of the subjects had BP values consistent with hypertension. The most frequent alleles were rs222749G (89.2%), rs222747G (69.2%), rs224534G (59.7%), and rs8065080T (62.3%). An analysis of the associations between the genotypic data and the biomarkers showed that the rs222749GA and rs224534GA genotypes were associated with higher diastolic and systolic BP values, respectively; the rs222747CC genotype was associated with lower LDL levels; the rs224534AA genotype was associated with higher HDL levels and lower triglycerides and LDL. The GGGC/GCAT and GGGT/GCAT haplotypes were associated with higher systolic BP. This study suggests a possible association between TRPV1 gene polymorphisms and BP and lipid profiles in a Mexican population.

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