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Eu Chang Hwang 1 Article
Yes-Associated Protein Expression Is Correlated to the Differentiation of Prostate Adenocarcinoma
Myung-Giun Noh, Sung Sun Kim, Eu Chang Hwang, Dong Deuk Kwon, Chan Choi
J Pathol Transl Med. 2017;51(4):365-373.   Published online June 9, 2017
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AbstractAbstract PDF
Yes-associated protein (YAP) in the Hippo signaling pathway is a growth control pathway that regulates cell proliferation and stem cell functions. Abnormal regulation of YAP was reported in human cancers including liver, lung, breast, skin, colon, and ovarian cancer. However, the function of YAP is not known in prostate adenocarcinoma. The purpose of this study was to investigate the role of YAP in tumorigenesis, differentiation, and prognosis of prostate adenocarcinoma.
The nuclear and cytoplasmic expression of YAP was examined in 188 cases of prostate adenocarcinoma using immunohistochemistry. YAP expression levels were evaluated in the nucleus and cytoplasm of the prostate adenocarcinoma and the adjacent normal prostate tissue. The presence of immunopositive tumor cells was evaluated and interpreted in comparison with the patients’ clinicopathologic data.
YAP expression levels were not significantly different between normal epithelial cells and prostate adenocarcinoma. However, YAP expression level was significantly higher in carcinomas with a high Gleason grades (8–10) than in carcinomas with a low Gleason grades (6–7) (p < .01). There was no statistical correlation between YAP expression and stage, age, prostate-specific antigen level, and tumor volume. Biochemical recurrence (BCR)–free survival was significantly lower in patients with high YAP expressing cancers (p = .02). However high YAP expression was not an independent prognostic factor for BCR in the Cox proportional hazards model.
The results suggested that YAP is not associated with prostate adenocarcinoma development, but it may be associated with the differentiation of the adenocarcinoma. YAP was not associated with BCR.


Citations to this article as recorded by  
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    Cancer Control.2022; 29: 107327482210781.     CrossRef
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    Mai-Huong T. Ngo, Sue-Wei Peng, Yung-Che Kuo, Chun-Yen Lin, Ming-Heng Wu, Chia-Hsien Chuang, Cheng-Xiang Kao, Han-Yin Jeng, Gee-Way Lin, Thai-Yen Ling, Te-Sheng Chang, Yen-Hua Huang
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    Jan Vrbský, Vladimir Vinarský, Ana Rubina Perestrelo, Jorge Oliver De La Cruz, Fabiana Martino, Antonio Pompeiano, Valerio Izzi, Ota Hlinomaz, Vladimir Rotrekl, Marius Sudol, Stefania Pagliari, Giancarlo Forte
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  • Up regulation of the Hippo signalling effector YAP1 is linked to early biochemical recurrence in prostate cancers
    Andreas Marx, Aljoscha Schumann, Doris Höflmayer, Elena Bady, Claudia Hube-Magg, Katharina Möller, Maria Christina Tsourlakis, Stefan Steurer, Franziska Büscheck, Till Eichenauer, Till S. Clauditz, Markus Graefen, Ronald Simon, Guido Sauter, Jakob R. Izbi
    Scientific Reports.2020;[Epub]     CrossRef
  • NEK1 Phosphorylation of YAP Promotes Its Stabilization and Transcriptional Output
    Md Imtiaz Khalil, Ishita Ghosh, Vibha Singh, Jing Chen, Haining Zhu, Arrigo De Benedetti
    Cancers.2020; 12(12): 3666.     CrossRef

JPTM : Journal of Pathology and Translational Medicine