Moesin and Ezrin as New Promising Markers for Early Detection of Endometrial Carcinoma: An Immunohistochemical Study
Résumé
OBJECTIVE: the aim of this study is to evaluate immunohistochemically the expression of ezrin, and moesin, in endometrial lesion cases in order to detect EC at early stages which will have an important implication on the patients' outcome. METHOD: 100 stored, formalin-fixed, paraffin-embedded tissue blocks of endometrial curettage obtained due to abnormal uterine bleeding or postmenopausal bleeding were collected. Each paraffin block was re-cut by rotatory microtome at 4 μm thickness then mounted on a glass slide and stained by hematoxylin and eosin for routine histopathological examination and on charged slides for immunohistochemistry using an automated staining system (Dako autostainer link 48) with antibodies against Moesin and Ezrin. Cytoplasmic staining was evaluated for both Moesin and Ezrin based on the intensity and extent of staining and scored for each sample. RESULT: Both Moesin and Ezrin were significantly higher in atypical endometrial hyperplasia compared to benign hyperplasia and significantly higher in endometrial carcinoma compared to atypical hyperplasia. Moesin also significantly correlated with higher tumor grades while Ezrin was significantly higher in postmenopausal women denoting their role in tumor progression and poor prognosis. CONCLUSION: Both Moesin and Ezrin could be potentially used as predictive markers for endometrial carcinoma screening programmes as well as indicators for cancer progression.
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