Association between Fat Mass- and Obesity-Associated (FTO) Gene Polymorphism and Polycystic Ovary Syndrome: A Meta-Analysis

被引:26
作者
Cai, Xianli [1 ]
Liu, Chibo [2 ]
Mou, Sihua [2 ]
机构
[1] Taizhou Municipal Hosp, Dept Gynaecol, Taizhou, Peoples R China
[2] Taizhou Municipal Hosp, Dept Clin Lab, Taizhou, Peoples R China
来源
PLOS ONE | 2014年 / 9卷 / 01期
关键词
INSULIN-RESISTANCE; METABOLIC SYNDROME; WOMEN; VARIANTS; WEIGHT; IMPACT; INDEX;
D O I
10.1371/journal.pone.0086972
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Aims: Many studies have investigated the relationship between FTO gene polymorphism and polycystic ovary syndrome (PCOS) susceptibility but revealed mixed results. In this study, we aimed to perform a meta-analysis to clarify this association. Methods: Published literature from PubMed, Embase and CNKI was retrieved. Meta-analysis was performed to calculate pooled odds ratio (OR) with 95% confidence interval (CI) using the random-or fix-effects model. Results: A total of 5 studies (4778 cases and 4272 controls) were included in our meta-analysis. The results suggested that FTO rs9939609 polymorphism (or its proxy) was marginally associated with PCOS risk after adjustment for body mass index (BMI) (OR = 1.26; 95% CI: 1.02-1.55). However, the marginal association was not stable after sensitivity analysis. In the subgroup analysis by ethnicity, the association was significant in East Asians (OR = 1.43, 95% CI = 1.30-1.59) but not in Caucasians (OR = 1.04, 95% CI = 0.85-1.29). Conclusions: Our present meta-analysis indicated that FTO rs9939609 polymorphism (or its proxy) might not be associated with risk of PCOS in overall population. However, in East Asians, there might be a direct association between FTO variant and PCOS risk, which is independent of BMI (adiposity).
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页数:5
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