International Journal of Infertility & Fetal Medicine

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VOLUME 13 , ISSUE 2 ( May-August, 2022 ) > List of Articles

Original Article

Expression of GnRH Receptor Type-II Correlates with Proliferation Activity in Endometriosis

Muhammad Lutfi, Agung Dewanto, Shofwal Widad, Irwan Taufiqurrachman, Ardhanu Kusumanto, Nuring Pangastuti, Supak Silawani

Keywords : Endometriosis, GnRH agonist, GnRH receptor type-II, Proliferation

Citation Information : Lutfi M, Dewanto A, Widad S, Taufiqurrachman I, Kusumanto A, Pangastuti N, Silawani S. Expression of GnRH Receptor Type-II Correlates with Proliferation Activity in Endometriosis. Int J Infertil Fetal Med 2022; 13 (2):37-41.

DOI: 10.5005/jp-journals-10016-1253

License: CC BY-NC 4.0

Published Online: 16-06-2022

Copyright Statement:  Copyright © 2022; The Author(s).


Background: Global estimated prevalence of endometriosis is about 10 to 15% of women in reproductive age. This chronic inflammatory ectopic endometrium causes pain symptoms and is also attributed to infertility problems. Even though advances in endometriosis management have been developed, cumulative recurrence rate of endometriosis is still as high as 55% after 5 years of therapy with GnRH agonist. Therefore, further investigations are continuously needed to improve treatment outcome in endometriosis, especially through better understanding of the disease pathophysiology. Methods: This cross-sectional study was aimed to describe the expression of GnRH receptor type-II (GnRHR-II) with immunohistochemical staining. Semiquantitative analysis of protein expression was performed with histological scoring (H-score). Moreover, the expression level of GnRHR-II was then compared to Ki-67 protein expression, a marker of cell proliferation. Results: We found a positive correlation between GnRHR–II expression with Ki–67 protein (Pearson correlation score 0.56, 95% CI: 0.15–0.80, p = 0.01). Interestingly, our results also found that the expression of GnRHR–II was also significantly higher in groups of subjects with larger endometriosis tissue size (p = 0.02). Conclusion: Our study showed an evidence of extrapituitary expression of GnRH receptor type-II. Endometriosis consistently expressed GnRHR-II and might play important role in the regulation of proliferation. Our results may trigger further explorations of GnRH receptor-targeted therapy that selectively inhibit proliferation pathway.

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