MAT2A promotes reprogramming of the androgen response pathway in association with ERG and EZH2
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ABSTRACT: To date there are very few tools to reverse the induced dedifferentiation program in CRPC and to improve the response to the androgen deprivation therapy. Here we report that MAT2A is an important oncogenic cofactor of ERG/EZH2 transcriptional reprogramming impacting significantly the androgenic pathway. Using RNA sequencing coupled with ATAC, here we reveal an important link between ERG/MAT2A and EZH2 that impact on AR signaling pathway. This aberrant epigenetic program can be reversed by MAT2A inhibition which establish a near physiologic AR transcriptional program. Targeting MAT2A alone or in combination with EZH2 inhibitors reverse stemness in multiple models including prostatospheres from human PDX and GEM models of aggressive prostate cancer. Targeting MAT2A enhance the sensitivity to the androgenic blockade by Enzalutamide and to EZH2 inhibitors
INSTRUMENT(S): NextSeq 500
ORGANISM(S): Homo sapiens
SUBMITTER: Giuseppina Carbone
PROVIDER: E-MTAB-12031 | biostudies-arrayexpress |
REPOSITORIES: biostudies-arrayexpress
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