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Aberrant HOXA10 Methylation in Patients With Common Gynecologic Disorders: Implications for Reproductive Outcomes
Jennifer L Kulp1, Ramanaiah Mamillapalli2, Hugh S Taylor1
1Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, CT, USA.
Reproductive Sciences (Thousand Oaks, Calif.)
|February 12, 2016
Summary
DNA methylation patterns of the HOXA10 gene differ in various gynecologic conditions. Aberrant HOXA10 methylation may contribute to reproductive dysfunction and infertility in women.
Area of Science:
- Reproductive biology
- Epigenetics
- Gynecology
Background:
- HomeoboxA10 (HOXA10) is vital for uterine development and endometrial receptivity.
- HOXA10 expression is regulated by hormones and signals, crucial for embryo implantation.
- Aberrant DNA methylation of HOXA10 is suspected in reproductive disorders.
Purpose of the Study:
- To investigate HOXA10 gene methylation patterns in women with gynecologic conditions.
- To compare methylation in uterine myomas, endometriosis, uterine septum, Asherman syndrome, and polyps.
Main Methods:
- Analysis of HOXA10 gene methylation patterns.
- Comparison between patient groups and controls undergoing hysteroscopic surgery.
Main Results:
- HOXA10 was highly methylated in polyps, submucosal myomas, and intramural myomas compared to controls.
- HOXA10 was hypomethylated in women with endometriosis compared to controls.
Conclusions:
- Differential DNA methylation of HOXA10 occurs in various gynecologic diseases.
- Aberrant HOXA10 methylation is a potential molecular mechanism underlying reproductive dysfunction.
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