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Androgen ablation therapy is the most common treatment for advanced prostate cancer (PCa), but most patients will develop castration-resistant prostate cancer (CRPC), which has no cure. CRPC is androgen-depletion resistant but androgen receptor (AR) dependent. AR is a nuclear receptor whose transcriptional activity is regulated by hormone binding to the ligand-binding domain (LBD). Constitutively...
Hsp90, p23 and other chaperosome proteins are critical for the function of several enzymes and steroid hormone receptors. The dioxin receptor (DR) is an Hsp90-regulated transcription factor that binds numerous toxic ligands, including the environmental contaminant 2,3,7,8-tetrachlorodibenzo(p)dioxin. We used a yeast model system that expressed human DR and Arnt proteins to test whether p23 affected...
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