p53 Arg72Pro polymorphism confers the susceptibility to endometriosis among Asian and Caucasian populations

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This meta-analysis of 11 studies found the p53 72Pro variant is a significant risk factor for endometriosis, especially in Asian populations.

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This paper conducted a meta-analysis of 11 case–control studies (1834 endometriosis cases and 2331 controls) to resolve inconsistent findings about whether the TP53 p53 Arg72Pro polymorphism is associated with endometriosis risk. Using PubMed/Embase/Cochrane and Chinese databases (searches up to April 30, 2015) with odds ratio pooling, the authors found that the 72Pro variant increased endometriosis susceptibility compared with 72Arg (e.g., Pro vs. Arg OR 1.298; Pro/Pro vs. Arg/Arg OR 1.751), with effects also supported in the dominant model. In stratified analyses, associations were stronger in Asian populations and in studies whose control groups conformed to Hardy–Weinberg equilibrium, while subgroup analyses by rAFS stage and menopausal status showed no significant associations. The paper’s limitation, as implied by its meta-analytic design, is that it depends on the included studies’ designs and available subgroup data rather than collecting new participant-level information. This paper is centrally about endometriosis — it meta-analyzes TP53 p53 Arg72Pro genetic susceptibility and reports increased risk, especially in Asian populations.

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Abstract

PurposeFindings from studies on the association between the p53 Arg72Pro polymorphism and endometriosis susceptibility have so far been inconsistent. Therefore, we undertook a meta-analysis to clarify the association of p53 Arg72Pro polymorphism with the risk of endometriosis.MethodsRelevant studies were chosen by searching PubMed, Embase, the Cochrane Library databases, CNKI, Wanfang database, and CBM for articles published before and up to April 30, 2015. Two independent reviewers performed the eligibility evaluation and data extraction. The odds ratios (ORs) and 95 % confidence intervals (CIs) were calculated for the overall risk estimate.ResultsEleven case-control studies involving 1834 endometriosis cases and 2331 controls were included. Pooled data analysis suggested that the p53 72Pro variant is a significant endometriosis risk factors in comparison to the 72Arg variant (Pro vs. Arg: OR = 1.298, 95 % CI 1.082-1.558; Pro/Pro vs. Arg/Arg: OR = 1.751, 95 % CI 1.130-2.711; Pro/Arg vs. Arg/Arg: OR = 1.530, 95 % CI 1.174-1.994), which was strengthened in the dominant model (Pro/Pro + Arg/Pro vs. Arg/Arg: OR = 1.570, 95 % CI = 1.181-2.087). In the stratified analysis by ethnicity and Hardy-Weinberg equilibrium (HWE) in the controls, we found strong associations in Asians and in studies that were consistent with HWE. However, the analyses of the revised American Fertility Society (rAFS) stage and the menopausal status subgroup did not reveal any significant associations.ConclusionIn conclusion, the p53 Arg72Pro polymorphism was closely related to the risk of endometriosis, especially in Asian populations.
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Abstract

Purpose Findings from studies on the association between the p53 Arg72Pro polymorphism and endometriosis susceptibility have so far been inconsistent. Therefore, we undertook a meta-analysis to clarify the association of p53 Arg72Pro polymorphism with the risk of endometriosis.

Methods

Relevant studies were chosen by searching PubMed, Embase, the Cochrane Library databases, CNKI, Wanfang database, and CBM for articles published before and up to April 30, 2015. Two independent reviewers performed the eligibility evaluation and data extraction. The odds ratios (ORs) and 95 % confidence intervals (CIs) were calculated for the overall risk estimate.

Results

Eleven case–control studies involving 1834 endometriosis cases and 2331 controls were included. Pooled data analysis suggested that the p53 72Pro variant is a significant endometriosis risk factors in comparison to the 72Arg variant (Pro vs. Arg: OR = 1.298, 95 % CI 1.082–1.558; Pro/Pro vs. Arg/Arg: OR = 1.751, 95 % CI 1.130–2.711; Pro/Arg vs. Arg/Arg: OR = 1.530, 95 % CI 1.174–1.994), which was strengthened in the dominant model (Pro/Pro + Arg/Pro vs. Arg/Arg: OR = 1.570, 95 % CI = 1.181–2.087). In the stratified analysis by ethnicity and Hardy–Weinberg equilibrium (HWE) in the controls, we found strong associations in Asians and in studies that were consistent with HWE. However, the analyses of the revised American Fertility Society (rAFS) stage and the menopausal status subgroup did not reveal any significant associations.

Conclusion

In conclusion, the p53 Arg72Pro polymorphism was closely related to the risk of endometriosis, especially in Asian populations. Similar content being viewed by others

References

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Rights and permissions About this article Cite this article Lao, X., Chen, Z. & Qin, A. p53 Arg72Pro polymorphism confers the susceptibility to endometriosis among Asian and Caucasian populations. Arch Gynecol Obstet 293, 1023–1031 (2016). https://doi.org/10.1007/s00404-015-3923-7 Received: Accepted: Published: Issue date: DOI: https://doi.org/10.1007/s00404-015-3923-7

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Condition tags

endometriosis

MeSH descriptors

Asian People Endometriosis Polymorphism, Single Nucleotide Tumor Suppressor Protein p53 White People Asian People Case-Control Studies Endometriosis Endometriosis Female Genetic Predisposition to Disease Humans Odds Ratio Polymorphism, Single Nucleotide Risk Factors Tumor Suppressor Protein p53 White People

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