The association between CYP19 polymorphism and endometriosis risk: a system review and meta-analysis

Ke Yi, Yi K, Yang L, Lingyun Yang, Zhu Lan, Lan Z, Lan Zhu, Xi M, Mingrong Xi
European journal of obstetrics, gynecology, and reproductive biology · 2016 · vol. 199 , pp. 42–48 · doi:10.1016/j.ejogrb.2016.01.010 · PMID:26897397 · W2275108063
Systematic review / meta-analysis OA: closed CC0 ⤵ 6 in-corpus citations
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This meta-analysis investigated the relationship between CYP19 gene polymorphisms and endometriosis risk across multiple studies.

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Abstract

OBJECTIVE: Endometriosis is a chronic, inflammatory, estrogen dependent disease. Genetic variation of estrogen biosynthesis and metabolic genes is associated with the risk of endometriosis. The CYP19 gene, encoding aromatase, plays an important role in the conversion of androgens to estrogens. Polymorphisms in the CYP19 gene are associated with circulating estrogen levels and estrogen/testosterone ratio. The aim of present study is to evaluate the impact of the CYP19 rs10046 polymorphism on endometriosis risk. METHODS: Embase, PubMed and other databases were searched for eligible case-control studies. A fixed-effects or random effects model was appropriately selected to calculate the pooled odds ratios (ORs). RESULTS: A total of 8 case-control studies including 993 cases and 1956 controls were available. Overall, the pooled results indicated that CYP19 rs10046 polymorphism was not associated with endometriosis risk (for heterozygous CC vs. CT carriers OR=1.00, 95% CI: 0.82-1.21; for homozygous CC vs. TT carriers OR=1.06, 95% CI: 0.83-1.35; allele contrast C vs. T OR=1.01, 95% CI: 0.90-1.14; dominant model CC vs. CT+TT OR=1.02, 95% CI: 0.85-1.23; recessive model CC+CT vs. TT OR=1.05, 95% CI: 0.85-1.30). Heterogeneity among studies was founded in dominant model and allele contrast. Galbraith plot analyses were performed to assess the source of heterogeneity and one study was found to be contributor of heterogeneity. The heterogeneity decreased significantly after excluding that study. CONCLUSION: Present meta-analysis reveals that CYP19 rs10046 polymorphism may be not correlated to endometriosis risk.

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Condition tags

endometriosis

MeSH descriptors

Aromatase Endometriosis Genetic Predisposition to Disease Genetic Predisposition to Disease Polymorphism, Single Nucleotide Polymorphism, Single Nucleotide Aromatase Aromatase Endometriosis Endometriosis Female Female Humans Humans

Citation neighborhood (2-hop)

Papers in the corpus that this work cites (lower rings, blue) and that cite this one (upper rings, green). Dot size scales with the paper's in-corpus citation count — bigger dot = more influential within the endo/adeno field. Click a dot to open that paper. Outer rings show 2-hop neighbours — papers reached through the immediate citers/citees. [ collapse to 1-hop ]

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