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Associations of adiponectin gene polymorphisms with polycystic ovary syndrome: a meta-analysis

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Abstract

Adiponectin gene polymorphisms have been implicated in polycystic ovary syndrome (PCOS) development. However, results from previous studies were inconsistent and inconclusive. To shed some light on the relationship of two adiponectin gene polymorphisms, T45G and G276T, with PCOS, we conducted the current meta-analysis. PubMed was used for searching all eligible studies up to September 30, 2011. Odds ratio (OR) with the corresponding 95% confidence interval (CI) was adopted to evaluate the strength of the associations. In total, ten case–control studies involving 2,821 participants were included in the meta-analysis. Results showed that the T45G polymorphism was not associated with PCOS for allelic contrast (OR = 1.10, 95%CI: 0.83–1.44, P = 0.514), with evidence of large heterogeneity (P heterogeneity = 0.002). Concerning G276T polymorphism, the results showed that the T allele was related to a reduced risk of PCOS compared with the G allele under allelic genetic model (OR = 0.81, 95%CI: 0.70–0.93, P = 0.003), and no significant heterogeneity (P heterogeneity = 0.268) was revealed. Similar results were observed under additive, dominant and recessive genetic models for both of these two polymorphisms. No publication bias was detected. Our results suggested that the T45G polymorphism of adiponectin gene was not significantly associated with PCOS, while the G276T polymorphism was related to a decreased risk of PCOS.

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Acknowledgments

The authors thank the two anonymous reviewers for their helpful comments for our manuscript.

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The authors declare that they have no conflict of interest.

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Authors and Affiliations

  1. Department of Endocrinology and Metabolism, The General Hospital of Jinan Military Command, 25 Shifan Road, Jinan, 250031, People’s Republic of China

    Hongxia Jia & Zhaoshun Jiang

  2. Department of Information Technology, The General Hospital of Jinan Military Command, 25 Shifan Road, Jinan, 250031, People’s Republic of China

    Lili Yu

  3. Department of Clinical Laboratory, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, 42 West Wenhua Road, Jinan, 250011, People’s Republic of China

    Xuxiao Guo & Wei Gao

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  1. Hongxia Jia
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  2. Lili Yu
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  3. Xuxiao Guo
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Correspondence to Zhaoshun Jiang.

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Hongxia Jia and Lili Yu have equally contributed to this study.

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Jia, H., Yu, L., Guo, X. et al. Associations of adiponectin gene polymorphisms with polycystic ovary syndrome: a meta-analysis. Endocrine 42, 299–306 (2012). https://doi.org/10.1007/s12020-012-9605-3

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