期刊
JOURNAL OF MEDICINAL CHEMISTRY
卷 62, 期 2, 页码 941-964出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jmedchem.8b01631
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资金
- Oncopia Therapeutics, LLC
- University of Michigan Comprehensive Cancer Center Core Grant from the National Cancer Institute, NIH [P30CA046592]
We report herein the discovery of highly potent PROTAC degraders of androgen receptor (AR), as exemplified by compound 34 (ARD-69). ARD-69 induces degradation of AR protein in AR-positive prostate cancer cell lines in a dose- and time-dependent manner. ARD-69 achieves DC50 values of 0.86, 0.76, and 10.4 nM in LNCaP, VCaP, and 22Rv1 AR+ prostate cancer cell lines, respectively. ARD-69 is capable of reducing the AR protein level by >95% in these prostate cancer cell lines and effectively suppressing AR-regulated gene expression. ARD-69 potently inhibits cell growth in these AR-positive prostate cancer cell lines and is >100 times more potent than AR antagonists. A single dose of ARD-69 effectively reduces the level of AR protein in xenograft tumor tissue in mice. Further optimization of ARD-69 may ultimately lead to a new therapy for AR+, castration-resistant prostate cancer.
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