Related Experiment Video
Updated: Oct 8, 2025

08:07
Establishment of an Experimental Mouse Model of Endometrioma to Study its Related Infertility
Published on: April 5, 2024
1.0K
The relationship between oxidative stress markers and endometrial hyperplasia: A case-control study
Engin Yıldırım1, Can Türkler2, Ümit Görkem3
1Malatya Turgut Özal University Faculty of Medicine, Department of Obstetrics and Gynecology, Malatya, Turkey
Turkish Journal of Obstetrics and Gynecology
|December 27, 2021
Summary
Oxidative stress is elevated in endometrial hyperplasia (EH), a precursor to endometrial cancer. Higher disulfide levels and altered thiol ratios in EH patients suggest a role for oxidative stress in the disease
Area of Science:
- Gynecology
- Pathophysiology
- Biochemistry
Background:
- Endometrial hyperplasia (EH) is a significant precursor to endometrial cancer.
- Understanding the molecular mechanisms underlying EH is crucial for early detection and prevention.
Purpose of the Study:
- To investigate the role of oxidative stress and thiol groups in the pathogenesis of endometrial hyperplasia.
- To compare oxidative stress markers between patients with EH and healthy controls.
Main Methods:
- A prospective case-control study involving endometrial biopsies.
- Analysis of thiol and disulfide levels in endometrial washing fluid using the Ellman reagent.
- Comparison of biochemical markers between 108 EH patients and 84 control participants.
Main Results:
- Patients with EH exhibited higher levels of disulfide and altered thiol/disulfide ratios compared to controls.
- Total and native thiol levels were significantly lower in the EH group.
- A positive correlation between estradiol and disulfide levels was observed in the control group, but not in the EH group.
Conclusions:
- Elevated oxidative stress, indicated by higher disulfide levels, is implicated in the etiology of endometrial hyperplasia.
- Thiol group dysregulation may contribute to the development of EH.
- These findings highlight the potential of targeting oxidative stress pathways in managing EH.

