VASN promotes proliferation of prostate cancer through the YAP/TAZ axis.

OBJECTIVE:The purpose of this study was to uncover the role of VASN in regulating proliferative ability of prostate cancer (PCa) cells through the yes-associated protein/transcriptional coactivator with PDZ-binding motif (YAP/TAZ) axis, thus influencing the progression of PCa. PATIENTS AND METHODS:VASN, YAP, and TAZ levels in PCa tissues or in the serum were detected by quantitative Real (qRT-PCR). The diagnostic value of VASN in PCa was assessed by introducing receiver operating characteristic (ROC) curves. Besides, the regulatory effects of VASN on viability, clonality, and expression levels of YAP/TAZ were evaluated by cell counting kit-8 (CCK-8), colony formation, and Western blot, respectively. Finally, rescue experiments were conducted to uncover the involvement of YAP in VASN-regulated proliferation of PCa. RESULTS:Results manifested that VASN, YA, and TAZ were upregulated in PCa patients, and VASN presented a certain diagnostic value. Knockdown of VASN in LNCaP and C4-2 cells suppressed viability and clonality, and downregulated protein levels of YAP and TAZ. Notably, overexpression of YAP abolished the attenuated viability and clonality in PCa cells with VASN knockdown. CONCLUSIONS:VASN promotes proliferative ability in PCa via regulating the YAP/TAZ axis, thus aggravating the progression of the disease.

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