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Disruption of SUV39H1-mediated H3K9 methylation sustains CAR T cell function [scRNA/CITE-seq]

ABSTRACT: Disruption of SUV39H1-mediated H3K9 methylation sustains CAR T cell function [scRNA/CITE-seq]

PROVIDER: PRJNA1035433 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR26663400_1.fastq.gz	Fastqsanger.gz
	SRR26663400_2.fastq.gz	Fastqsanger.gz
	SRR26663401_1.fastq.gz	Fastqsanger.gz
	SRR26663401_2.fastq.gz	Fastqsanger.gz
	SRR26663402_1.fastq.gz	Fastqsanger.gz

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Disruption of SUV39H1-mediated H3K9 methylation sustains CAR T cell function

Project description:Disruption of SUV39H1-mediated H3K9 methylation sustains CAR T cell function

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Disruption of SUV39H1-mediated H3K9 methylation sustains CAR T cell function [ATAC-Seq]

Project description:Disruption of SUV39H1-mediated H3K9 methylation sustains CAR T cell function [ATAC-Seq]

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Disruption of SUV39H1-mediated H3K9 methylation sustains CAR T cell function [RNA-Seq]

Project description:Disruption of SUV39H1-mediated H3K9 methylation sustains CAR T cell function [RNA-Seq]

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Disruption of SUV39H1-mediated H3K9 methylation sustains CAR T cell function [scRNA/CITE-seq]

Project description:Single cell gene expression profile of WT and SUV39H1-edited CAR T cells at pre-infusion (Day 0), day 9 and day 16 post infusion in tumor (NALM6) bearing NSG mice

2023-11-03 | GSE246960 | GEO

Disruption of SUV39H1-mediated H3K9 methylation sustains CAR T cell function [RNA-Seq]

Project description:Comparing transcriptional profiles (RNAseq) of WT and SUV39H1-edited CAR T cells

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Disruption of SUV39H1-mediated H3K9 methylation sustains CAR T cell function [ATAC-Seq]

Project description:Comparing genome accessibility profiles (ATACseq) of WT and SUV39H1-edited CAR T cells

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Disruption of SUV39H1-Mediated H3K9 Methylation Sustains CAR T-cell Function.

Project description:Suboptimal functional persistence limits the efficacy of adoptive T-cell therapies. CD28-based chimeric antigen receptors (CAR) impart potent effector function to T cells but with a limited lifespan. We show here that the genetic disruption of SUV39H1, which encodes a histone-3, lysine-9 methyl-transferase, enhances the early expansion, long-term persistence, and overall antitumor efficacy of human CAR T cells in leukemia and prostate cancer models. Persisting SUV39H1-edited CAR T cells demonstrate improved expansion and tumor rejection upon multiple rechallenges. Transcriptional and genome accessibility profiling of repeatedly challenged CAR T cells shows improved expression and accessibility of memory transcription factors in SUV39H1-edited CAR T cells. SUV39H1 editing also reduces expression of inhibitory receptors and limits exhaustion in CAR T cells that have undergone multiple rechallenges. Our findings thus demonstrate the potential of epigenetic programming of CAR T cells to balance their function and persistence for improved adoptive cell therapies.SignificanceT cells engineered with CD28-based CARs possess robust effector function and antigen sensitivity but are hampered by limited persistence, which may result in tumor relapse. We report an epigenetic strategy involving disruption of the SUV39H1-mediated histone-silencing program that promotes the functional persistence of CD28-based CAR T cells. See related article by López-Cobo et al., p. 120. This article is featured in Selected Articles from This Issue, p. 5.

| S-EPMC10880746 | biostudies-literature

Effects of SUV39H1 depletion on gene expression in HeLa cells

Project description:HeLa cells were transiently transfected with siRNA against SUV39H1, a histone H3K9 methyltransferase. Several genes were significantly up- or down-regulated. HeLa cells were transiently transfected with siRNA against SUV39H1 or negative control siRNA. Then total RNA was extracted.

2015-08-01 | E-GEOD-59243 | biostudies-arrayexpress

Disruption of SUV39H1-mediated H3K9 methylation sustains CAR T cell function

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

2023-10-26 | GSE245187 | GEO

Complete loss of H3K9 methylation dissolves mouse heterochromatin organization

Project description:Histone H3 lysine 9 (H3K9) methylation is a central epigenetic modification that defines heterochromatin from unicellular to multicellular organisms. In mammalian cells, H3K9 methylation can be catalyzed by at least six distinct SET domain enzymes: Suv39h1/Suv39h2, Eset1/Eset2 and G9a/Glp. We used mouse embryonic fibroblasts (MEFs) with a conditional mutation for Eset1 and introduced progressive deletions for the other SET domain genes by CRISPR/Cas9 technology. Compound mutant MEFs for all 6 SET domain methyltransferase (KMT) genes lack all H3K9 methylation states, derepress nearly all families of repeat elements and display genomic instabilities. Strikingly, the 6KO H3K9 KMT MEFs no longer maintain heterochromatin organization and have lost electron-dense heterochromatin. This is the first analysis of H3K9 methylation deficient mammalian chromatin and reveals a crucial function for H3K9 methylation in protecting heterochromatin organization and genome integrity.

2021-05-27 | PXD018175 | Pride

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