Association between TNF-α promoter G-308A and G-238A polymorphisms and obesity

被引:32
|
作者
Hedayati, M. [1 ]
Sharifi, K. [1 ]
Rostami, F. [1 ]
Daneshpour, M. S. [1 ]
Yeganeh, M. Zarif [1 ]
Azizi, F. [2 ]
机构
[1] Shahid Beheshti Univ Med Sci, Res Inst Endocrine Sci, Obes Res Ctr, Tehran 193954763, Iran
[2] Shahid Beheshti Univ Med Sci, Res Inst Endocrine Sci, Endocrine Res Ctr, Tehran 193954763, Iran
关键词
Obesity; TNF-alpha; BMI; Polymorphism; TUMOR-NECROSIS-FACTOR; TYPE-2; DIABETES-MELLITUS; INSULIN-RESISTANCE; BODY-FAT; EXPRESSION; GENES; LOCUS;
D O I
10.1007/s11033-011-0804-4
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Tumor necrosis factor-alpha (TNF-alpha), an adipokine, is produced in adipocytes, and the elevation of its levels has been linked to obesity and insulin resistance in some population. In this study the relationship between TNF-alpha promoter gene polymorphism and obesity in an Iranian population has been studied. Subjects were randomly selected from Tehran Cohort Lipid and Glucose Study. Adult participants placed in three groups according to their body mass index (BMI): BMI < 25, 25 a parts per thousand currency sign BMI < 30, BMI a parts per thousand yen 30 and under-18 subjects placed in two groups, under 85th percentile BMI and above 85th percentile. Finally, 244 persons were selected for G-308A and G-238A polymorphisms analysis. The FBS, high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), triglyceride, cholesterol levels and blood pressure and HOMA of all subjects were measured. The polymorphism -308 and -238 were revealed by restriction fragment length polymorphism (RFLP; NCOI and MSPI) after the promoter site was amplified by PCR. The allele frequency of TNF-alpha polymorphism was in the Hardy-Weinberg equilibrium. There was no relation between BMI and the frequency of this allele. The fact that there is no association between G-308A and G-238A TNF-alpha promoter polymorphisms and obesity probably shows that it is not an important risk factor for obesity and consequently for cardiovascular disease.
引用
收藏
页码:825 / 829
页数:5
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