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The expression of YAP1 is increased in high-grade prostatic adenocarcinoma but is reduced in neuroendocrine prostate cancer.


ABSTRACT: BACKGROUND:After long-term androgen deprivation therapy, 25-30% prostate cancer (PCa) acquires an aggressive neuroendocrine (NE) phenotype. Dysregulation of YAP1, a key transcription coactivator of the Hippo pathway, has been related to cancer progression. However, its role in neuroendocrine prostate cancer (NEPC) has not been assessed. METHODS:Immunohistochemistry and bioinformatics analysis were conducted to evaluate YAP1 expression levels during PCa initiation and progression. RESULTS:YAP1 expression was present in the basal epithelial cells in benign prostatic tissues, lost in low-grade PCa, but elevated in high-grade prostate adenocarcinomas. Interestingly, the expression of YAP1 was reduced/lost in both human and mouse NEPC. CONCLUSIONS:The expression of YAP1 is elevated in high-grade prostate adenocarcinomas but lost in NEPC.

SUBMITTER: Cheng S 

PROVIDER: S-EPMC7572469 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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The expression of YAP1 is increased in high-grade prostatic adenocarcinoma but is reduced in neuroendocrine prostate cancer.

Cheng Siyuan S   Prieto-Dominguez Nestor N   Yang Shu S   Connelly Zachary M ZM   StPierre Samantha S   Rushing Bryce B   Watkins Andy A   Shi Lawrence L   Lakey Meredith M   Baiamonte Lyndsey Buckner LB   Fazili Tajammul T   Lurie Aubrey A   Corey Eva E   Shi Runhua R   Yeh Yunshin Y   Yu Xiuping X  

Prostate cancer and prostatic diseases 20200420 4


<h4>Background</h4>After long-term androgen deprivation therapy, 25-30% prostate cancer (PCa) acquires an aggressive neuroendocrine (NE) phenotype. Dysregulation of YAP1, a key transcription coactivator of the Hippo pathway, has been related to cancer progression. However, its role in neuroendocrine prostate cancer (NEPC) has not been assessed.<h4>Methods</h4>Immunohistochemistry and bioinformatics analysis were conducted to evaluate YAP1 expression levels during PCa initiation and progression.<  ...[more]

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