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ORIGINAL ARTICLE
Year : 2018  |  Volume : 6  |  Issue : 1  |  Page : 11-16

Prostatic carcinogenesis: More insights


1 Department of Pathology, Faculty of Medicine, Kafrelsheikh University, Kafrelsheikh, Egypt
2 Department of Pathology, Faculty of Medicine, Tanta University, Tanta, Egypt

Correspondence Address:
Dr. Eman M Saied
Department of Pathology, Faculty of Medicine, Kafrelsheikh University, Kafrelsheikh
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JMAU.JMAU_11_18

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Background: Prostatic carcinoma ranks as the second most common malignant tumor and the fifth cause of cancer-related deaths in men. Many studies now focus on the different molecules involved in prostatic carcinogenesis. Maspin and prohibitin (PHB) are suggested to play crucial roles in the development and progression of many cancers; however, their roles in prostatic carcinogenesis have not been fully elucidated. Aim: This work was designed to study the immunohistochemical expression of maspin and PHB in prostatic carcinoma in comparison to their expression in benign prostatic hyperplasia (BPH) to give more insights about their roles in prostatic carcinogenesis. Materials and Methods: Archival blocks of 30 cases of prostatic adenocarcinomas and 15 cases of BPH were subjected to histopathological examination and immunohistochemical evaluation of maspin and PHB expression. Results: Maspin showed higher expression in prostatic carcinoma (88.9% of cases) compared to BPH (20% of cases). PHB expression was detected only in prostatic carcinoma (84.4% of cases), while all cases of BPH were negative. The expression of both maspin and PHB showed statistically significant increase with increasing Gleason score (P = 0.0125 and 0.0065 respectively). Conclusions: Overexpression of maspin and PHB in prostatic carcinoma reflects their vital roles in prostatic carcinogenesis. Their upregulation with increasing Gleason score indicates their prognostic significance. Moreover, PHB may differentiate between prostatic carcinoma and BPH being expressed only by malignant cells.


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