Genetic variants in leptin: determinants of obesity and leptin levels in South Indian population

Dasgupta, S. and Salman, M. and Siddalingaiah, L. B. and Lakshmi, G. L. and Xaviour, D. and Sreenath, J. (2015) Genetic variants in leptin: determinants of obesity and leptin levels in South Indian population. ADIPOCYTE, 4 (2). pp. 135-140. ISSN 2162-397X

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Official URL: https://doi.org/10.4161/21623945.2014.975538

Abstract

The revelation of leptin action mechanisms has led to various attempts to establish the association of polymorphisms in the leptin gene with obesity-related phenotypes. But, outcomes have been contradicting, which made the information on the role of the leptin gene in regulating the mechanism of pathophysiology of obesity inexplicable. Moreover, none of the studies are known to have similar implications on the Indian population. To address such contradictions, our study aims to evaluate the association of leptin gene polymorphism with obesity and leptin levels in a South Indian Population. A total of 304 cases (BMI >= 27.5) and 309 controls (BMI <= 23) from local inhabitants of Mysore, Karnataka were recruited for the study. The leptin gene variants rs7799039, rs2167270 and rs4731426 independently, as well as in 4 haplotype combinations, were found to be significantly associated with the risk of obesity. An increasing trend in BMI and leptin levels was observed with every addition of A and C minor alleles of exonic variant (rs2167270) and intronic variant (rs4731426) respectively. However, only AA genotype of SNP rs7799039 was positively associated with BMI. None of the SNPs were associated with fat percentage and waist to hip ratio. On a whole, this data suggests that the common polymorphisms in the leptin gene are strong predictors of obesity and leptin levels in South Indians.

Item Type: Article
Subjects: B Life Science > Biotechnology
C Chemical Science > Biochemistry
Divisions: Department of > Biochemistry
Department of > Biotechnology
Depositing User: Shrirekha N
Date Deposited: 11 Jun 2019 09:45
Last Modified: 11 Jun 2019 09:45
URI: http://eprints.uni-mysore.ac.in/id/eprint/2748

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