Genomics

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Targeting the androgen receptor N-terminus via the cochaperone Bag-1L [ChIP-Seq]


ABSTRACT: Targeting the activation function-1 (AF-1) at the N-terminus of the androgen receptor (AR) is an attractive therapeutic alternative to the current approaches to inhibit AR action in prostate cancer (PCa). Here we show that the AR AF-1 is bound by the BAG domain of the cochaperone Bag-1L. Mutations in this domain or loss of Bag-1L abrogates AR signaling and reduces PCa growth. Correspondingly, Bag-1L protein levels increase with progression of primary prostate tumors to castration-resistant PCa, correlating inversely with patient response to abiraterone therapy. Intriguingly, BAG domain residues important for its interaction with the AR AF-1 overlap a potentially druggable pocket of this protein. Bag-1L is therefore a putative therapeutic target for the inhibition of AR AF-1 activity.

ORGANISM(S): Homo sapiens

PROVIDER: GSE89938 | GEO | 2017/08/23

SECONDARY ACCESSION(S): PRJNA354526

REPOSITORIES: GEO

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