GEO series
Androgen receptor-negative prostate cancer is vulnerable to SWI/SNF-targeting degrader molecules
GSE313838
Homo sapiens
Expression profiling by high throughput sequencing; Genome binding/occupancy profiling by high throughput sequencing; Other
32 samples
2025/12/16
GPL30173GPL21697GPL24676
Summary
The switch/sucrose non-fermentable (SWI/SNF) chromatin remodeling complex becomes frequently deregulated in advanced castration-resistant prostate cancer (CRPC). Proteolysis targeting chimera (PROTAC) therapies degrading SWI/SNF ATPases offer a novel approach to interfere with androgen receptor (AR) signaling in AR-dependent castration-resistant prostate cancer (CRPC-AR). To explore the utility of SWI/SNF therapy beyond AR-sensitive CRPC, we investigated SWI/SNF-targeting agents in AR-negative CRPC. SWI/SNF targeting PROTAC treatment of cell lines and organoid models reduced the viability of not only CRPC-AR but also WNT-signaling dependent AR-negative CRPC (CRPC-WNT). We discovered that SWI/SNF ATPase SMARCA4 depletion interfered with the WNT master transcriptional regulator TCF7L2 (TCF4) in CRPC-WNT.
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