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ORIGINAL ARTICLE
Year : 2019  |  Volume : 62  |  Issue : 5  |  Page : 196-202

Adrenergic receptor beta-3 rs4994 (T>C) and liver X receptor alpha rs12221497 (G>A) polymorphism in Pakistanis with metabolic syndrome


1 Department of Physiology and Cell Biology, University of Health Sciences; Lahore Medical and Dental College, Lahore, Pakistan
2 Department of Physiology and Cell Biology, University of Health Sciences, Lahore, Pakistan

Correspondence Address:
Dr. Uzma Zafar
Department of Physiology and Cell Biology, University of Health Sciences, Lahore; Lahore Medical and Dental College, Lahore
Pakistan
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/CJP.CJP_45_19

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The present study aimed to determine the association of adrenergic receptor beta-3 (ADRB3) rs4994 T>C and liver X receptor alpha (LXR-α) rs12221497 G>A polymorphism with metabolic syndrome (Met S) and the related traits in Pakistanis. Patients of Met S were recruited from the Endocrinology and Diabetic Clinic of Sheikh Zayed Hospital Lahore, over the time span of 6 months from July to December 2016. Single-nucleotide polymorphism (SNP) of ADRB3 was determined by restriction fragment length polymorphism and of LXR-α by amplification refractory mutation system polymerase chain reaction. The frequency of TT variant of ADRB3 T>C in Met S was 69 (34.5%) and in controls 89 (44.5%), frequency of TC 103 (51.5%) and 96 (48%), and of CC 28 (14%) and 15 (7.5%), respectively. In the recessive model (CC: TT + TC), CC genotype was found to be associated with the increased risk of Met S (P = 0.027; odds ratio [OR] = 2.09; confidence interval [CI] =1.08–4.03) and the association remained significant after controlling for the confounders such as age and sex. The frequency of GG variant of LXR-α G>A in Met S was 35 (17.5%) and in controls 15 (7.5%), GA 129 (64.5%) and 137 (68.5%), and AA 36 (18%) and 48 (24%), respectively. In the recessive model (GG: GA + AA), GG genotype was found to be associated with the increased risk of Met S (P = 0.004; OR = 2.52; CI = 1.33–4.80) and the association remained significant after controlling for the confounders such as age and sex. It was concluded that SNP of ADRB3 (190 T>C) and LXR-α (−115 G>A) were associated with the risk of Met S and might increase the susceptibility to the obesity-related traits.


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