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Epigenetic and metabolic reprogramming by HDAC inhibition targets NRF2-active tumors [CRISPR Screen]

ABSTRACT: Epigenetic and metabolic reprogramming by HDAC inhibition targets NRF2-active tumors [CRISPR Screen]

PROVIDER: PRJNA911659 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR22705432.fastq.gz	Fastqsanger.gz
	SRR22705434.fastq.gz	Fastqsanger.gz
	SRR22705436.fastq.gz	Fastqsanger.gz
	SRR22705438.fastq.gz	Fastqsanger.gz
	SRR22705440.fastq.gz	Fastqsanger.gz

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Epigenetic and metabolic reprogramming by HDAC inhibition targets NRF2-active tumors [RNA-Seq]

Project description:To investigate the NRF2-specific cytotoxic effects of HDAC inhibition, we assessed gene expression in the context of control and NRF2-overexpressing mouse LUAD cells upon HDAC inhibition.

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Epigenetic and metabolic reprogramming by HDAC inhibition targets NRF2-active tumors [CRISPR Screen]

Project description:To identify NRF2-specific dependencies in chromatin regulation, we performed a focused genetic screen mouse LUAD cell lines with or without knock-out of KEAP1.

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Epigenetic and metabolic reprogramming by HDAC inhibition targets NRF2-active tumors [CUT&Tag]

Project description:To investigate the NRF2-specific cytotoxic effects of HDAC inhibition, we assessed genomic distribution of histone acetylation modifications and readers in the context of control and NRF2-overexpressing mouse LUAD cells upon HDAC inhibition.

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Epigenetic and metabolic reprogramming by HDAC inhibition targets NRF2-active tumors

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Epigenetic and metabolic reprogramming by HDAC inhibition targets NRF2-active tumors [CUT&Tag]

Project description:Epigenetic and metabolic reprogramming by HDAC inhibition targets NRF2-active tumors [CUT&Tag]

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Epigenetic and metabolic reprogramming by HDAC inhibition targets NRF2-active tumors [RNA-Seq]

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Double vulnerability of active-NRF2 Lung Squamous cell carcinoma to NRF2 and TRIM24

Project description:Lung squamous cell cancer (LUSC) is associated with very poor survival due to the lack of specific treatments. A common genetic alteration in LUSC involves mutations in NFE2L2 (also named NRF2) or its regulator, KEAP1, resulting in increased activity of the NRF2 transcription factor (TF). This study compares the requirement for active-NRF2 in LUSC cell lines. Although normal-NRF2 cells are more sensitive to oxidative stress, they do not require NRF2 for survival under non-stress conditions, while LUSC cells with active-NRF2 mutations depend on NRF2 for viability. NRF2 depletion in patient-derived organoid cultures with active-NRF2 as well as in xenografts with active-NRF2 triggers cell death. A CRISPRa/dCas9 screening for gene targets capable of rescuing cell survival in these cells identified TRIM24 as a gene whose expression rescues cell survival in NRF2-depleted active-NRF2 LUSC cells. Alongside oxidative stress, the lack of TRIM24 selectively contributed to the induction of cell death (apoptosis and ferroptosis) in active-NRF2 LUSC cells. Cells with a high NFE2L2/KEAP1 copy number ratio also undergo cell death. The increase in cell death observed upon TRIM24 depletion involves a reduction in AKT activity resulting from destabilization of the PI3Ka catalytic subunit. Notably, overexpression of PI3Ka rescues cell survival in TRIM24-depleted active-NRF2 cells. These findings point to novel therapeutic approaches in LUSC.

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Epigenetic and metabolic reprogramming by HDAC inhibition targets NRF2-active tumors

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

2023-03-30 | GSE220839 | GEO

Double vulnerability of active-NRF2 Lung Squamous cell carcinoma to NRF2 and TRIM24

Project description:Double vulnerability of active-NRF2 Lung Squamous cell carcinoma to NRF2 and TRIM24

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Epigenetic library screen reveals novel targets for uveal melanoma

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