Particularități histopatologice și evaluarea imunohistochimică a procesului de invazivitate în endometrioza extragenitală

Zota, Eremei, Margaritescu, Claudiu, Cazacu, Eugeniu
In: Akademos · 2025 · pp. 68–76 · doi:10.52673/18570461.25.1-76.07 · W4410287412
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⚙ AI-generated summary by claude@2026-06, 2026-06-06 ⓘ

Immunohistochemical evaluation revealed significantly higher expression of SDF-1 and CXCR4 proteins in endometriosis lesions compared to normal endometrial tissue, suggesting their role in disease pathogenesis.

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⚙ AI-generated deep summary by claude@2026-06, 2026-06-06 ⓘ

This paper investigated whether the SDF-1/CXCR4 signaling axis is involved in the invasive behavior of extragenital endometriosis by evaluating SDF-1 and CXCR4 protein expression using immunohistochemistry in 43 endometriosis cases and 6 normal endometrial tissue samples. Both proteins showed cytoplasmic expression in endometriosis lesions and in glandular epithelial and mesenchymal cells of normal endometrium, with significantly higher expression intensities in endometriosis lesions than in normal tissue (P<0.05). The authors interpret these findings as supporting a role for the SDF-1–CXCR4 interaction in endometriosis pathogenesis through contributions to endometrial stromal cell proliferation. This paper is centrally about endometriosis — it specifically examines histopathologic features and immunohistochemical markers of invasiveness in extragenital endometriosis.

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Abstract

The SDF-1/CXCR4 axis plays a crucial role in the invasion and metastatic processes of many human cancers. We are interested in investigating the involvement of this axis in the development of extragenital endometriosis, given its potential to influence the invasive behavior of endometrial tissue. This research could provide new insights into disease mechanisms and identify new targets for treatment. SDF-1 and CXCR4 protein expression was evaluated by immunohistochemistry in 43 cases of endometriosis and in 6 cases of normal endometrial tissues. SDF-1 and CXCR4 proteins were expressed both in endometriosis lesions and in glandular epithelial cells and mesenchymal cells of normal endometrial tissue. Positive staining was localized to the cytoplasm. A specific value was used to calculate and analyze the intensity of immunohistochemical expression. The expressions of these two proteins in endometriosis lesions were significantly higher compared with those in normal endometrial tissues, and the differences were statistically significant (P<0.05). Both markers, SDF-1 and its receptor CXCR4, were more highly expressed in endometriosis lesions compared with normal endometrial tissue. SDF-1, through its interaction with the CXCR4 receptor, plays a significant role in the pathogenesis of endometriosis by contributing to the proliferation process of endometrial stromal cells.

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endometriosis

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