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. 2023 Jul 20;11(7):2036.
doi: 10.3390/biomedicines11072036.

Effects of Progestin on Modulation of the Expression of Biomarkers in Endometriosis

Daniela Roxana Matasariu  1   2 , Alexandra Irma Gabriela Bausic  3   4 , Cristina Elena Mandici  1 , Iuliana Elena Bujor  1 , Alexandra Elena Cristofor  1 , Elvira Bratila  3   4 , Ludmila Lozneanu  5 , Lucian Vasile Boiculese  6 , Mihaela Grigore  1   2 , Alexandra Ursache  1   2
Affiliations

Effects of Progestin on Modulation of the Expression of Biomarkers in Endometriosis

Daniela Roxana Matasariu et al. Biomedicines. .

Abstract

Background: Our study aimed to examine the osteopontin (OPN) serum levels and tissue expression of CD44 and OPN in endometriosis-affected women both undergoing and not undergoing progestin treatment, and also to determine their involvement in the pathogenesis of endometriosis.

Methods: Using an ELISA kit, we evaluated the OPN serum levels of healthy and endometriosis-affected women both undergoing and not undergoing progestin treatment. Immunohistochemical (IHC) analyses were used to assess the endometriotic tissue expressions of CD44 and OPN.

Results: There were statistically significant higher OPN serum levels in the healthy control group compared to the women with endometriosis. Furthermore, there were higher OPN serum levels in the endometriosis-affected women undergoing the progestin treatment, but the difference did not reach statistical significance. In comparison to OPN, CD44 expression was significantly higher in all the endometriotic tissue glands and stroma, regardless of the patient's treatment status. Compared to the group receiving therapy, the OPN levels were higher in the endometriosis group not receiving therapy. OPN's robust cytoplasmic expression seemed to be associated with the non-treatment group.

Conclusion: Endometriosis, CD44, and OPN appear to be closely related. This study suggests that endometriosis that has not been treated has an immunological profile distinct to endometriosis that has received treatment.

Keywords: CD44; endometriosis; immunohistochemistry; osteopontin; progestin.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Immunohistochemical expression of CD44 and OPN in two groups (with and without treatment).
See this image and copyright information in PMC

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