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The histone acetylation reader ENL is required for oncogenic transcription driven by super-enhancer and represents a synergistic vulnerability for BET inhibition [ChIP-Seq II]

ABSTRACT: The histone acetylation reader ENL is identifed as a key factor controlling super-enhancer-driven transcription. Therefore, we constructed a targeted degradation system of endogenous ENL protein and investigated the roles of ENL in regulating oncogenic transcription through epigenetic reprogramming.

ORGANISM(S): Homo sapiens

PROVIDER: GSE249553 | GEO | 2024/01/18

REPOSITORIES: GEO

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The histone acetylation reader ENL is required for oncogenic transcription driven by super-enhancer and represents a synergistic vulnerability for BET inhibition [RNA-seq]

Project description:The histone acetylation reader ENL is identifed as a key factor controlling super-enhancer-driven transcription. Therefore, we constructed a targeted degradation system of endogenous ENL protein and investigated the roles of ENL in regulating oncogenic transcription through epigenetic reprogramming.

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The histone acetylation reader ENL is required for oncogenic transcription driven by super-enhancer and represents a synergistic vulnerability for BET inhibition [ChIP-seq]

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The histone acetylation reader ENL is required for oncogenic transcription driven by super-enhancer and represents a synergistic vulnerability for BET inhibition [RNA-Seq II]

Project description:The histone acetylation reader ENL is identifed as a key factor controlling super-enhancer-driven transcription. We thus perturbed BRD4, a well-known super-enhancer regulator, protein expression with a well-validated BRD4 PROTAC (proteolysis targeting chimeric) compound dBET1 and examined whether BRD4 was required for proper function of ENL in regulation gene transcription.

2024-01-18 | GSE249552 | GEO

The histone acetylation reader ENL is required for oncogenic transcription driven by super-enhancer and represents a synergistic vulnerability for BET inhibition

Project description:The histone acetylation reader ENL is required for oncogenic transcription driven by super-enhancer and represents a synergistic vulnerability for BET inhibition

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The histone acetylation reader ENL is required for oncogenic transcription driven by super-enhancer and represents a synergistic vulnerability for BET inhibition

Project description:This SuperSeries is composed of the SubSeries listed below.

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The histone acetylation reader ENL is required for oncogenic transcription driven by super-enhancer and represents a synergistic vulnerability for BET inhibition [ChIP-seq]

Project description:The histone acetylation reader ENL is required for oncogenic transcription driven by super-enhancer and represents a synergistic vulnerability for BET inhibition [ChIP-seq]

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The histone acetylation reader ENL is required for oncogenic transcription driven by super-enhancer and represents a synergistic vulnerability for BET inhibition [RNA-seq]

Project description:The histone acetylation reader ENL is required for oncogenic transcription driven by super-enhancer and represents a synergistic vulnerability for BET inhibition [RNA-seq]

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The histone acetylation reader ENL is required for oncogenic transcription driven by super-enhancer and represents a synergistic vulnerability for BET inhibition [RNA-Seq II]

Project description:The histone acetylation reader ENL is required for oncogenic transcription driven by super-enhancer and represents a synergistic vulnerability for BET inhibition [RNA-Seq II]

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The histone acetylation reader ENL is required for oncogenic transcription driven by super-enhancer and represents a synergistic vulnerability for BET inhibition [ChIP-Seq II]

Project description:The histone acetylation reader ENL is required for oncogenic transcription driven by super-enhancer and represents a synergistic vulnerability for BET inhibition [ChIP-Seq II]

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Small-molecule inhibition of the acyl-lysine reader ENL as a strategy against acute myeloid leukemia [ChIP-Seq]

Project description:Acute myeloid leukemia (AML) is characterized by dysregulated transcriptional programs and these programs require support from chromatin regulators to maintain their hyperactive state. Recent studies have identified the histone acylation ‘reader’ ENL as being a critical dependency in AML, but the potential of therapeutic applications targeting this chromatin reader remains poorly understood. Here, we present a potent and orally bioavailable small-molecule inhibitor of ENL, TDI-055, which displaces ENL from chromatin by competitively blocking the interaction of its YEATS domain with acylated histones. We show that TDI-055 treatment preferentially inhibited the proliferation of human leukemia cells harboring MLL translocations or NPM1 mutations. Through a CRISPR/Cas9 saturated mutagenesis screen, we uncovered an ENL mutant that could confer cells resistance to TDI-055, thus providing compelling proof for the on-target activity of the compound. Rapid displacement of ENL from chromatin resulted in decreased recruitment of select ENL-associated complexes and impaired RNA polymerase II elongation which, in turn, led to the suppression of critical leukemogenic gene expression programs. Finally, pharmacological inhibition of ENL in vivo led to reduced AML growth and prolonged survival in cell line and patient-derived xenograft (PDX) models. Collectively, these results provide critical evidence and mechanistic insights to establish inhibition of ENL as a potential therapeutic strategy against molecularly defined AML, laying the foundation for rapid clinical translation of this approach.

2022-10-05 | GSE185093 | GEO

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