Transcriptomics

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Androgen receptor splice variants mediate enzalutamide resistance in castration-resistant prostate cancer cell lines


ABSTRACT: The goal of this experiment was to compare the gene expression programs mediated by androgen/AR vs. constitutively active, truncated AR variants in castration-resistant CWR-R1 prostate cancer cells. Because constitutive activity of truncated AR variants can mask androgen/AR target genes, the androgen/AR transcriptional program was assessed by silencing the trucnated AR 1/2/3/CE3 variant with siRNA targeting AR exon CE3 and treating cells with vehicle (ethanol) or 1nM DHT. Similarly, because full-length AR activity can mask truncated AR variant target genes, the AR variant transcriptional program was assessed under castrate conditions by selectively silencing full-length AR with siRNA targeting AR exon 7, and comparing this profile with CWR-R1 cells transfected wtih siRNA targeting AR exon 1, which silences all AR expression (full-length and truncated AR variants).

ORGANISM(S): Homo sapiens

PROVIDER: GSE41784 | GEO | 2012/10/23

SECONDARY ACCESSION(S): PRJNA178169

REPOSITORIES: GEO

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