The Association of Lrp5 (Rs556442) Polymorphism With Body Composition and Obesity in Postmenopausal Women Publisher Pubmed



Adabi E¹ ; Omidfar A² ; Farahani NA³ ; Faghihi F⁴ ; Asghar Malek Hosseini SA⁵ ; Maghbooli Z⁶ ; Shirvani A⁷
Source: Diabetes and Metabolic Syndrome: Clinical Research and Reviews Published:2019

Abstract

Aim: The main of this study was to investigate the association between the rs566442 (V1119V) coding polymorphism of Low-density lipoprotein receptor-related protein 5 (LRP5) with obesity and basal metabolic rate in Iranian postmenopausal women. Methods: This cross-sectional study was performed on 350 postmenopausal women with a mean age of 57.8 years (SD ± 6.14). Body composition was analyzed by bioelectrical impedance analysis (BIA) resistance. Obesity was defined based on Body mass index (BMI) ≥30 kg/m2. To determine the genotype of SNP (rs556442), PCR-RFLP assay was performed and confirmed by sequencing. DNA samples from participants were genotyped using the RFLP-PCR method. Results: Among the study population 37.1% (130) were obese. G allele had minor-allele frequency of 0.38% in our population. The frequency of genotypes in our study population was 12.9% (45 person) GG, 35.7% (125 person) AA and 51.4% (180) GA. After adjusting age and menopausal age, only basal metabolic rate showed significantly higher in GG group compare to other groups (p = 0.02). Our data showed basal metabolic rate was higher in obese women with GG genotype in comparison to obese women with AG and AA genotypes. Discussion: The findings of this study suggest that the GG genotype of SNP (rs556442) could protective role in obese women through the association with BMR. © 2019