2021
DOI: 10.1158/1535-7163.targ-21-lba027
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Abstract LBA027: Mechanistic insights on the effects of the lead next generation galeterone analog, VNPP433-3β in castration resistant prostate cancer

Abstract: Introduction Metastatic castration-resistant prostate cancer (mCRPC) remains the second leading cause of cancer-related death in men in the United States and the second most frequently diagnosed cancer among males worldwide. Dysregulated androgen receptor (AR) is associated with nearly all known cases of prostate cancer (PCa) and its expression level has been correlated with poor survival. This study describes the mechanism of action of VNPP433-3β, a next generation galeterone analog (NGGA) in inhibiting PCa. … Show more

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Cited by 3 publications
(2 citation statements)
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“…10 VNPP433-3β promotes degradation of AR and its splice variant AR-V7 besides depleting MNk1/2 in PCa. 11 In this study, we report isolation of CSCs from LNCaP (androgendependent human prostate adenocarcinoma cells) and CWR22Rv1 (castration resistant, androgen-independent human prostate cancer cell line) and demonstrate the inhibitory effect of VNPP433-3β in prostate CSCs using cellular, biochemical, and molecular (RNA-seq) methods. We demonstrate that mechanistically, VNPP433-3β promotes degradation of AR thereby limiting AR-mediated transcription of several genes relevant to cell cycle and stemness (viz.…”
Section: Introductionmentioning
confidence: 93%
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“…10 VNPP433-3β promotes degradation of AR and its splice variant AR-V7 besides depleting MNk1/2 in PCa. 11 In this study, we report isolation of CSCs from LNCaP (androgendependent human prostate adenocarcinoma cells) and CWR22Rv1 (castration resistant, androgen-independent human prostate cancer cell line) and demonstrate the inhibitory effect of VNPP433-3β in prostate CSCs using cellular, biochemical, and molecular (RNA-seq) methods. We demonstrate that mechanistically, VNPP433-3β promotes degradation of AR thereby limiting AR-mediated transcription of several genes relevant to cell cycle and stemness (viz.…”
Section: Introductionmentioning
confidence: 93%
“…Previously, we reported VNPP433‐3β, the lead next generation galeterone analog as potential drug in treating castration‐resistant drug‐naive PCa preclinical mice models in vitro and in vivo 10 . VNPP433‐3β promotes degradation of AR and its splice variant AR‐V7 besides depleting MNk1/2 in PCa 11 …”
Section: Introductionmentioning
confidence: 98%