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Pyruvate dehydrogenase complex integrates the metabolome and epigenome in memory T cell differentiation in vitro [ATAC-Seq]

ABSTRACT: Pyruvate dehydrogenase complex integrates the metabolome and epigenome in memory T cell differentiation in vitro [ATAC-Seq]

PROVIDER: PRJNA966912 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR24416200_1.fastq.gz	Fastqsanger.gz
	SRR24416200_2.fastq.gz	Fastqsanger.gz
	SRR24416201_1.fastq.gz	Fastqsanger.gz
	SRR24416201_2.fastq.gz	Fastqsanger.gz
	SRR24416202_1.fastq.gz	Fastqsanger.gz

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Pyruvate dehydrogenase complex integrates the metabolome and epigenome in memory CD8+ T cell differentiation in vitro [ChIP-Seq]

Project description:Modulation of metabolic flux through pyruvate dehydrogenase complex (PDC) plays an important role in T cell activation and differentiation. PDC sits at the transition between glycolysis and the tricarboxylic acid cycle and is a major producer of acetyl-CoA, marking it as a potential metabolic and epigenetic node. To understand the role of pyruvate dehydrogenase complex in T cell differentiation, we generated mice deficient in T cell pyruvate dehydrogenase E1A (Pdha) subunit using a CD4-cre recombinase-based strategy. Herein, we show that genetic ablation of PDC activity in T cells (TPdh-/-) leads to marked perturbations in glycolysis, the tricarboxylic acid cycle, and OXPHOS. Due to depressed OXPHOS, TPdh-/- T cells became dependent upon substrate level phosphorylation via glycolysis. Due to the block of PDC activity, histone acetylation was reduced, including H3K27, a critical site for CD8+ T cell memory differentiation. Transcriptional and functional profiling revealed abnormal CD8+ memory T cell differentiation in vitro. Collectively, our data indicate that PDC integrates the metabolome and epigenome in memory T cell differentiation. Targeting this metabolic and epigenetic node can have widespread ramifications on cellular function.

2023-08-07 | GSE231433 | GEO

Pyruvate dehydrogenase complex integrates the metabolome and epigenome in memory CD8+ T cell differentiation in vitro [RNA-Seq]

2023-08-07 | GSE231553 | GEO

Pyruvate dehydrogenase complex integrates the metabolome and epigenome in memory CD8+ T cell differentiation in vitro

Project description:Pyruvate dehydrogenase complex integrates the metabolome and epigenome in memory CD8+ T cell differentiation in vitro

| PRJNA966906 | ENA

Pyruvate dehydrogenase complex integrates the metabolome and epigenome in memory CD8+ T cell differentiation in vitro [RNA-Seq]

Project description:Pyruvate dehydrogenase complex integrates the metabolome and epigenome in memory CD8+ T cell differentiation in vitro [RNA-Seq]

| PRJNA966911 | ENA

Pyruvate dehydrogenase complex integrates the metabolome and epigenome in memory CD8+ T cell differentiation in vitro [ChIP-Seq]

Project description:Pyruvate dehydrogenase complex integrates the metabolome and epigenome in memory CD8+ T cell differentiation in vitro [ChIP-Seq]

| PRJNA965811 | ENA

Pyruvate dehydrogenase complex integrates the metabolome and epigenome in memory T cell differentiation in vitro [ATAC-Seq]

Project description:The chromatin landscape was assessed in effector and memory T-cells obtained from wildtype and pyruvate dehydrogenase knockout mouse. Disruption of the metabolic processes involving pyruvate dehydrogenase can affect T-cell differentiation through epigenetic and metabolic mechanisms.

2023-08-07 | GSE231554 | GEO

Pyruvate dehydrogenase complex integrates the metabolome and epigenome in memory CD8+ T cell differentiation in vitro

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

2023-08-07 | GSE231556 | GEO

Mitochondrial carrier homolog 2 (MTCH2) regulates the differentiation of AML cells by controlling pyruvate entry into the mitochondria, nuclear localization of pyruvate dehydrogenase complex and H3 and H4 histone acetylation

Project description:Inhibiting MTCH2 or the Mitochondrial Pyruvate Carrier increased levels of pyruvate and pyruvate dehydrogenase in the nucleus leading to differentiation and loss of stemness in AML.

2020-09-01 | GSE103834 | GEO

Derepressing nuclear pyruvate dehydrogenase induces therapeutic cancer cell reprogramming

Project description:Derepressing nuclear pyruvate dehydrogenase induces therapeutic cancer cell reprogramming

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Activation of the pyruvate dehydrogenase complex dictates tumour progression in prostate cancer

Project description:Metabolism in cancer serves to provide energy and key biomolecules that sustain cell growth, a process that is frequently accompanied by decreased mitochondrial use of glucose. Importantly, metabolic intermediates including mitochondrial metabolites are central substrates for post-translational modifications at the core of cellular signalling and epigenetics. However, the molecular means that coordinate the use of mitochondrial metabolites for anabolism and nuclear protein modification are poorly understood. Here, we unexpectedly found that genetic and pharmacological inactivation of Pyruvate Dehydrogenase A1 (PDHA1), a subunit of pyruvate dehydrogenase complex (PDC) that regulates mitochondrial metabolism16 inhibits prostate cancer development in different mouse and human xenograft tumour models. Intriguingly, we found that lipid biosynthesis was strongly affected in prostate tumours upon PDC inactivation. Mechanistically, we found that nuclear PDC controls the expression of Sterol regulatory element-binding transcription factor (SREBF) target genes by mediating histone acetylation whereas mitochondrial PDC provides cytosolic citrate for lipid synthesis in a coordinated effort to sustain anabolism. In line with the oncogenic function of PDC in prostate cancer, we find that PDHA1 and the PDC activator, Pyruvate dehydrogenase phospatase 1 (PDP1), are frequently amplified and overexpressed at both gene and protein level in these tumours. Taken together, our findings demonstrate that both mitochondrial and nuclear PDC sustains prostate tumourigenesis by controlling lipid biosynthesis thereby pointing at this complex as a novel target for cancer therapy.

2018-02-21 | GSE74245 | GEO

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