The relationship between adiponectin gene polymorphism and occurrence of obesity at Zagazig University Hospitals

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Abstract

Background
Obesity is considered a severe rapidly growing health problem all over the world. Adiponectin is an adipokine produced and secreted by adipose tissues and widely known as antidiabetic, anti-inflammatory, antiatherogenic, and cardioprotective factor. The adiponectin gene has various single nucleotide polymorphisms (SNPs).
Objective
Our aim of this study was to determine the genotype frequency of SNPs (276 G→T) in adiponectin gene and its relationship with the occurrence of obesity and to detect the association between adiponectin gene polymorphism and different degrees of obesity.
Patients and methods
A total of 96 volunteers were included and divided into the following: group I had 48 healthy nonobese control volunteers, and group II included 48 obese patients not having any disease. Anthropometric parameters were measured by standard procedures. Random blood sample was collected for routine and research investigations. PCR assay with restriction fragment length polymorphism was used to examine the adiponectin gene SNP276G>T polymorphism.
Results
Genotypes distributions of 276G>T polymorphisms were significantly different between obese and nonobese cases. T allele was significantly associated with obese individuals (<0.05) with odds ratio (OR) of 2.13 and found to be significantly associated (<0.05) and risky for BMI more than or equal to 30, with OR 3.86. Both of the genotype TT and allele T were significantly associated and risky for abdominal obesity (<0.05) with OR of 3.57 for TT genotype and 3.61 for T allele.
Conclusion
The T allele and TT genotypes at the 276 locus of the ADIPOQ gene were associated with higher risk of obesity.

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