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Association of resistin gene polymorphisms with insulin resistance in Egyptian obese patients
Faculty
Medicine
Year:
2013
Type of Publication:
Article
Pages:
233-238
Authors:
El-Shal, Amal S, Rashad, Nearmeen M, Pasha, Heba F
DOI:
10.1016/j.gene.2012.09.136
Journal:
GENE ELSEVIER SCIENCE BV
Volume:
515
Research Area:
Genetics \& Heredity
ISSN
ISI:000314559400035
Keywords :
Resistin gene polymorphism, Obesity, Egyptian population
Abstract:
Background: Obesity associated insulin resistance is a major risk factor for type 2 diabetes mellitus. Resistin is recently reported to provide a link between obesity, insulin resistance and type 2 diabetes mellitus. We aimed to investigate the possible associations of resistin gene (RETN) polymorphisms with obesity, and to detect whether these polymorphisms are associated with glucose intolerance and type 2 diabetes mellitus in obese patients. Methods: One hundred and forty-five Egyptian obese patients with or without glucose intolerance and 155 unrelated healthy controls were enrolled in this study. Polymorphisms of REIN +299G>A and RETN -420 C>G gene were detected by polymerase chain reaction - restriction fragment length polymorphism (PCR-RFLP). Serum resistin was measured by ELISA. Results: RETN +299 AA and RETN 420 GG genotypes were significantly associated with obesity in Egyptian population. Moreover, the mutant alleles or genotypes of both examined polymorphisms were associated with impaired glucose tolerance and diabetes mellitus compared to normal glucose tolerant obese patients. Furthermore, our results revealed elevated waist/hip ratio, BMI, blood pressure, fasting blood glucose level, HOMA-IR, triglycerides, total cholesterol, resistin level, and decreased HDL cholesterol level in homozygote mutant genotypes carriers of both REIN polymorphisms among obese patients. Conclusion: Resistin gene polymorphisms may play an important role in pathogenesis and susceptibility to obesity, impaired glucose tolerance, and type 2 diabetes mellitus in Egyptian population. (C) 2012 Elsevier B.V. All rights reserved.
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