TG and HDL-C are established risk components included in the characterization of MetS; but significant association of non-HDL-C with MetS in the present study is a key finding. The study focuses on the use of non-HDL-C as a simple screening tool to identify individuals with clustering metabolic abnormalities which increase the propensity for CAD.

Chronic alcohol consumption is reported to be associated with increase in plasma homocysteine levels which is further influenced by the polymorphism in methylenetetrahydrofolate reductase (MTHFR) gene. The present study aims to understand the extent of the MTHFR C677T polymorphism in alcohol dependent (AD) cases of Meiteis of Manipur, a Mendelian population of India. MTHFR C677T polymorphism was screened in 313 controls and 139 alcohol dependent (AD) cases who all met DSM-IV criteria for alcohol dependence. Both AD cases and controls were unrelated up to 1st cousin. Among the control group, different drinking patterns like abstainer/nondrinkers (NDs), occasional drinkers (ODs), and moderate drinkers (MDs) are included. Both the groups were found to be in Hardy-Weinberg equilibrium (P > 0.05). Genotypic and allelic frequency distribution of MTHFR C677T polymorphism did not differ significantly between AD cases and controls (P > 0.05). However, individuals carrying mutant (T) allele show more than 1-fold increased risk for AD though not significant (OR = 1.43; 95% CI 0.41–5.01, P > 0.05). In conclusion, MTHFR C677T polymorphism is not found to be risk marker for AD in present studied population. However, higher prevalence of the mutant T allele may exacerbate deleterious health risk in future especially among alcohol drinkers.

All four SNPs, with the exception of FVL, were found to be polymorphic, with allele frequencies of 15.1%, 17%, 36.1% and 7.7% for MTHFR 677T, MTHFR 1298C, ACE D and APOE E4, respectively. The D allele of ACE I/D polymorphism was found to be significantly higher among males and also among the young age group compared with females and the old age groups, respectively. This study has highlighted the necessity of looking at the clinical implications of these SNPs in future studies of Manipuri Muslims.

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