The Role of Hepsin in Endometrial Carcinoma

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Abstract

Purpose:

Endometrial carcinoma is the sixth most common cancer in women worldwide and the most common invasive cancer of the female genital tract in developed countries. It is hoped that through a better understanding of the alterations implicated in endometrial cancer pathogenesis and prognosis, a more complete profile of risk factors and targeted therapy can be developed. Hepsin is a member of the type II transmembrane serine protease family. The importance of hepsin in prostate cancer has been demonstrated by several studies. However, the role of hepsin in endometrial carcinoma is yet to be identified. This study aimed to evaluate the immunohistochemical expression of hepsin in endometrial carcinoma, trying to explore its diagnostic and prognostic value.

Materials and Methods:

This retrospective study was conducted on 27 endometrial carcinoma and 18 endometrial hyperplasia cases. Immunohistochemical expression of hepsin was evaluated in tissue specimens and results were correlated with the available clinicopathlogic parameters.

Results:

Positive hepsin expression was seen in all (100%) carcinoma and 17/18 (94.44%) endometrial hyperplasia cases. The H-score of hepsin expression in endometrial carcinoma was significantly higher than that of hyperplasia cases (P=0.012). A significant negative association was found between hepsin expression in endometrial carcinoma cases regarding the grade and the size of tumors (P=0.018 and 0.008, respectively) as well as myometrial invasion (P=0.027).

Conclusions:

Hepsin could play an important role in the pathogenesis and the early carcinogenesis of endometrial carcinoma and could serve as a prognostic biomarker in this tumor.

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