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Association between IGF-1 polymorphisms and risk of osteoporosis in Chinese population: a meta-analysis.


ABSTRACT: BACKGROUND:Several studies looking into the association between insulin-like growth factor-1 (IGF-1) gene polymorphisms and osteoporosis predisposition have been conducted among Chinese population with conflicting outcomes. The present systematic review and meta-analysis was performed to appraise and synthesize the existing evidence, so as to provide a more precise and reliable association between polymorphisms in IGF-1 gene and osteoporosis. METHODS:Five electronic databases including PubMed, EMBASE, ISI Web of Science, CNKI and Wanfang were systematically searched for potential studies. Summary odds ratio (OR) and corresponding 95% confidence interval (95% CI) were calculated to evaluate the association. The best-matching genetic model of inheritance was determined using a genetic-model free approach. RESULTS:Six case-control studies comprising 2068 osteoporosis patients and 2071 healthy controls were obtained for the meta-analysis. Dominant model was confirmed to be the best-matching genetic model (TT?+?TC versus CC). The overall data suggested that rs35767 polymorphism was significantly associated with osteoporosis vulnerability (OR 1.21, 95% CI 1.07, 1.37; P?=?0.002). When stratifying the participants and performing subgroup-analysis according to source of patients, the result suggested that rs35767 was significantly correlated to osteoporosis in post-menopausal women subgroup (OR 1.29, 95% CI 1.08, 1.54; P?=?0.005), but the correlation was not established in the subgroup of both gender (OR 1.14, 95% CI 0.96, 1.35; P?=?0.12). CONCLUSION:Taken together, the findings of our current study suggested a significant association between rs35767 polymorphism and risk of osteoporosis in Chinese post-menopausal women.

SUBMITTER: Gao ST 

PROVIDER: S-EPMC5944070 | biostudies-literature | 2018 May

REPOSITORIES: biostudies-literature

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Association between IGF-1 polymorphisms and risk of osteoporosis in Chinese population: a meta-analysis.

Gao Shu-Tao ST   Lv Zheng-Tao ZT   Zhou Chuan-Kun CK   Mao Chao C   Sheng Wei-Bin WB  

BMC musculoskeletal disorders 20180510 1


<h4>Background</h4>Several studies looking into the association between insulin-like growth factor-1 (IGF-1) gene polymorphisms and osteoporosis predisposition have been conducted among Chinese population with conflicting outcomes. The present systematic review and meta-analysis was performed to appraise and synthesize the existing evidence, so as to provide a more precise and reliable association between polymorphisms in IGF-1 gene and osteoporosis.<h4>Methods</h4>Five electronic databases incl  ...[more]

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