{"doi":"10.1073/pnas.2406239121","title":"Small-molecule disruption of androgen receptor–dependent chromatin clusters","abstract":"Sustained androgen receptor (AR) signaling during relapse is a central driver of metastatic castration-resistant prostate cancer (mCRPC). Current AR antagonists, such as enzalutamide, fail to provide long-term benefit for the mCRPC patients who have dramatic increases in AR expression. Here, we report AR antagonists with efficacy in AR-overexpressing models. These molecules bind to the ligand-binding domain of the AR, promote AR localization to the nucleus, yet potently and selectively down-regulate AR-target genes. The molecules BG-15a and the pharmacokinetically optimized BG-15n elicit a decrease in cell and tumor growth in vitro and in vivo in models of mCRPC. BG-15a/n treatment causes the collapse of chromatin loops between enhancers and promoters at key genes in the AR-driven epigenome. AR binding in the promoter, as well as 3D chromatin clustering, is needed for genes to respond. BG-15a/n represent promising agents for treating patients with relapsed AR-driven mCRPC tumors.","journal":"Proceedings of the National Academy of Sciences","year":2024,"id":450995,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":4,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9489,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2024-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1271960,"name":"EK Novak","orcid":"0000-0003-2828-9187","position":1,"is_corresponding":false},{"id":1006248,"name":"Subhashish Tapadar","orcid":null,"position":2,"is_corresponding":false},{"id":383125,"name":"Bocheng Wu","orcid":"0000-0002-7381-9506","position":3,"is_corresponding":false},{"id":259972,"name":"Jonathan D. 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