Association between single nucleotide polymorphism of the CYP19A1 and ESR2 genes and endometriosis

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This study evaluated the association between specific single nucleotide polymorphisms (SNPs) in the ESR2 and CYP19A1 genes and endometriosis incidence in Polish women.

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This case-control study evaluated whether single nucleotide polymorphisms rs17179740 in ESR2 and rs2899470 in CYP19A1 are associated with endometriosis incidence, analyzing blood samples from 200 women with endometriosis and 200 age-matched endometriosis-free controls using high-resolution melting (HRM) for genotyping. The TT genotype for rs2899470 was significantly more common in endometriosis patients than controls (OR 2.19, p = 0.04), and for rs17179740 the GG homozygotes (OR 2.48, p = 0.04) as well as AG-AA genotypes (OR 2.36, p = 0.04) were significantly more prevalent among cases. The paper’s main limitation is that genotype association is reported without additional caveats in the abstract beyond the statistical comparisons and the fact that data sharing is restricted because results are part of a clinical database. This paper is centrally about endometriosis — it tests ESR2 (rs17179740) and CYP19A1 (rs2899470) SNP associations with endometriosis incidence.

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Abstract

Purpose Endometriosis is a frequent gynaecological condition, both in Poland and in the world. The development of this disease is supported by hormonal, immunological and environmental factors. During the recent years, a particular attention has been focused on the genetic polymorphisms which may be of particular significance for the increased incidence rates of endometriosis. According to literature data, Oestrogen Receptor 2 (ESR2) and Cytochrome P450 Family 19 Subfamily A Member 1 (CYP19A1) genes may be accounted to the potential risk factors of infertility associated with endometriosis. The reported research was aimed to evaluate the association between single nucleotide polymorphisms (SNPs) rs17179740 of ESR2 and rs2899470 of CYP19A1 genes and the incidence of endometriosis.

Methods

The study material included blood specimens, collected from patients (n = 200) with endometriosis. Blood samples from age-matched, endometriosis-free women (n = 200) served as control. The High-Resolution Melter (HRM) technique was applied for polymorphism analysis.

Results

Regarding rs2899470 polymorphism TT homozygotes was significantly more prevalent among the patients with endometriosis than in the controls (OR 2.19; p = 0.04). In case of rs17179740, GG homozygotes, as well as AG-AA genotypes, were significantly more prevalent among the endometriosis patients (OR 2.48, p = 0.04 and OR 2.36, p = 0.04, respectively).

Conclusion

Summing up, the investigated polymorphisms of ESR2 and CYP19A1 gene are associated with the observed incidence of endometriosis. Similar content being viewed by others Availability of data and material All data generated and/or analyzed during this study are included in this published article. Code availability Data will not be shared, because they are part of a clinical database. Abbreviations - CI: - Confidence intervals - CYP19A1 : - Cytochrome P450 Family 19 Subfamily A Member 1 - ESR2 : - Estrogen receptor 2 - HRM: - High-resolution melter - OR: - Odds ratios - rASRM: - The Revised American Society for Reproductive Medicine - SNP: - Single nucleotide polymorphism

References

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Acknowledgements

Authors acknowledge the financial support provided by the Institute of Polish Mother’s Memorial Hospital, Lodz, Poland, to conduct the study. Thank Bożena Góralczyk M.D. Ph.D. and Tomasz Szaflik M.D. Ph.D. for help in collecting research material. Funding This work was supported by the Institute of Polish Mother’s Memorial Hospital, Lodz, Poland from the Statutory Development Fund. Author information Authors and Affiliations Contributions Conceived and designed the experiments: BS. Performed the experiments – case group: BS. Case group design and collect: HR. Performed the experiments – control group: BS. Analysed data: BS. Contributed reagents/materials/analysis tools BS. Contributed to the writing of manuscript: BS. All authors approved the final manuscript. Corresponding author Ethics declarations Conflict of interests Authors declare no conflict of interest. Author Beata Smolarz declares that she has no conflict of interest. Author Hanna Romanowicz declares that she has no conflict of interest. Ethics approval and consent to participate This work was supported by the Institute of Polish Mother’s Memorial Hospital, Lodz, Poland from the Statutory Development Fund. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Consent to participate Informed consent was obtained from all individual participants included in the study. A formal consent was also issued by the Bioethical Committee of the Institute of the Polish Mother’s Memorial Hospital in Lodz (Approval number, 8/2016). The procedures used in this study adhere to the tenets of the Declaration of Helsinki. Consent for publication Informed consent was obtained from all individual participants included in the study. A formal consent was also issued by the Bioethical Committee of the Institute of the Polish Mother’s Memorial Hospital in Lodz (Approval number, 8/2016). Additional information Publisher's Note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. Rights and permissions About this article Cite this article Smolarz, B., Romanowicz, H. Association between single nucleotide polymorphism of the CYP19A1 and ESR2 genes and endometriosis. Arch Gynecol Obstet 304, 439–445 (2021). https://doi.org/10.1007/s00404-021-06051-5 Received: Accepted: Published: Version of record: Issue date: DOI: https://doi.org/10.1007/s00404-021-06051-5

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Condition tags

mesh:D004715endometriosis

MeSH descriptors

Aromatase Endometriosis Estrogen Receptor beta Infertility Adult Aged Aromatase Case-Control Studies Endometriosis Endometriosis Estrogen Receptor beta Female Genetic Predisposition to Disease Genotype Humans Infertility Middle Aged Polymorphism, Single Nucleotide

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