Association of Beta-2 Adrenoreceptor Single Nucleotide Polymorphism with Risk of Type II Diabetes Mellitus
Keywords:Allele, Beta-2 Adrenoreceptor single nucleotide polymorphism
Objective: To determine the genotype of Arg16Gly & Gln27Glu polymorphism in type-2 diabetes mellitus and to find possible association of ADRβ2with type-2 diabetes mellitus.
Methodology: A case control study was designed and a total of 192 subjects (98 in each group) were included. After formal approval, subjects were recruited from North West General Hospital (NWGH) Peshawar. After taking consent blood samples were collected from the participants and DNA analysis was done using commercially available kits by salting out protocols, while other biochemical parameters were analyzed using normal laboratory protocols for respective tests.
Results: The comparative analysis of SNP rs1042713 indicates that allele G/A was 42(49.4%) in diabetic and 43(50.6%) in non-diabetic subjects. While GG was more frequent 22(59.5%) in diabetic as compare to non-diabetic 15(40.5%). Among AA allele, 19 (65.5%) were non-diabetic while 10(34.5%) were diabetic. However the difference was not statistically significant (p=0.22). In case of “rs1042714” gene the commonest allele was C/C 80 (41.7%) out of which, 47(58.8%) was found in diabetic and 33(41.2%) were non-diabetic. Similarly CG was second common allele out of which diabetics were 27(44.3%) while non-diabetics were 34(55.7%). Allele G/G was found only among 11 subjects (p=0.085).
Conclusion: Based on the result of the present study, it is concluded that polymorphism in ADRB2 genes rs1042713 (Arg16Gly) and rs1042714 (Gln27Glu) is associated with susceptibility of T2DM through alteration in BMI & HbA1c.
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