Correlation of ADIPOQ Gene Single Nucleotide Polymorphisms with Bone Strength Index in Middle-Aged and the Elderly of Guangxi Mulam Ethnic Group
Min Zhou; Ning Ning; Yueming Jiang; Michael Aschner; Xiufeng Huang; Xiaoyun Bin; Jinhua Wang
Background: Osteoporosis (OP) is a common orthopedic disease in the elderly, and Adiponectin (ADIPOQ) is closely related to bone metabolism. Objective: To determine the relationship between five single nucleotide polymorphism (SNP) loci in the ADIPOQ gene and osteoporosis in middle-aged and elderly Mulam subjects in Hechi, Guangxi. Methods: This case-control study included 297 middle-aged and elderly Mulam subjects with normal bone mass, 49 subjects with reduced bone mass, and 38 subjects with osteoporosis. Five loci (rs266729, rs1063539, rs2241766, rs3774261, rs710445) of the ADIPOQ in the Mulam subjects were genotyped using SNP with multiple-base extension. Results: The bone strength index (SI) of middle-aged and elderly Mulam subjects showed an overall decreasing trend when the subjects were older. Age, muscle mass, and subcutaneous fat content were the main factors influencing the SI in Mulam subjects. The GC genotype of rs266729 and the GA and GG genotypes of rs710445 were significantly correlated with risk of bone loss (p <: 0.05). rs2241766 and rs1063539 showed strong LD (D&rsquo: >: 0.8, r2 >: 0.33). rs710445 and rs266729 loci and rs3774261 and rs2241766 loci showed complete LD (D&rsquo: = 1). Conclusions: The GC genotype at rs266729 of the ADIPOQ gene, the GA and GG genotypes at rs710445, and the haplotypes CCGAA and GGTAG correlated with osteoporosis (p <: 0.05). The allele C of rs1063539, rs266729 and rs710445 may afford protection for osteoporosis. The allele G may be the genetic susceptibility gene for osteoporosis, increasing the risk of osteoporosis.
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