Differences in the stem cell-associated gene expression of eutopic endometrium from endometriosis patients in comparison to healthy women

This study compared gene expression in endometrial biopsies from healthy women (n=19) versus women with endometriosis at ASRM stages I–II (n=19) and III–IV (n=11), focusing on stem cell-associated genes using real-time PCR and immunohistochemistry in endometrial stromal and epithelial cells. The authors found differential upregulation of multiple stem cell markers in eutopic endometrium, including OCT-4 increased in both ASRM I–II and III–IV groups, SOX-2 increasing progressively with significance in stage III–IV, and NANOG and Klf-4 upregulated only in stage III–IV, while c-Myc was not significantly changed. Musashi-1 was significantly upregulated across all endometriosis grades compared with controls. A key limitation stated is that the work is based on eutopic endometrium comparisons and requires further studies to elucidate the mechanisms and interplay of the regulated genes. This paper is centrally about endometriosis — it examines stem cell-associated gene expression differences in eutopic endometrium of endometriosis patients versus healthy controls.

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