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Inactivation of the histone H3 K36 methyltransferase NSD1 confers resistance to EZH2 inhibition

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Homo sapiens

PROVIDER: GSE178490 | GEO | 2022/05/09

REPOSITORIES: GEO

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Inactivation of the histone H3 K36 methyltransferase NSD1 confers resistance to EZH2 inhibition [ChIP-Seq]

Project description:Disruption of antagonism between SWI/SNF chromatin remodelers and Polycomb repressor complexes drives the formation of numerous cancer types. Recently, an inhibitor of Polycomb protein EZH2 was approved for treatment of sarcomas mutant in SWI/SNF subunit SMARCB1, but resistance occurs. Here we sought to identify additional contributors to SWI/SNF-Polycomb antagonism and potential resistance mechanisms. We performed CRISPR screens and found that NSD1 loss caused resistance to EZH2 inhibition. NSD1 loss reduced H3K36me2 and impaired transcriptional activation of targets inhibited by EZH2 or activated by SMARCB1. Further, inhibiting the H3K36me2 demethylase KDM2A restored EZH2 inhibition in cells lacking NSD1. Our results expand the mechanistic understanding of SWI/SNF and Polycomb interplay and identify NSD1 as key for coordinating this transcriptional control.

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Inactivation of the histone H3 K36 methyltransferase NSD1 confers resistance to EZH2 inhibition [RNA-Seq]

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Inactivation of the histone H3 K36 methyltransferase NSD1 confers resistance to EZH2 inhibition

Project description:Inactivation of the histone H3 K36 methyltransferase NSD1 confers resistance to EZH2 inhibition

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Inactivation of the histone H3 K36 methyltransferase NSD1 confers resistance to EZH2 inhibition [ChIP-Seq]

Project description:Inactivation of the histone H3 K36 methyltransferase NSD1 confers resistance to EZH2 inhibition [ChIP-Seq]

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Project description:Inactivation of the histone H3 K36 methyltransferase NSD1 confers resistance to EZH2 inhibition [RNA-Seq]

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