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Single-cell RNA-sequencing of blood and tonsillar CD4+ CD57+ and CD57- T cells

ABSTRACT: Single-cell RNA-sequencing of blood and tonsillar CD4+ CD57+ and CD57- T cells

PROVIDER: PRJNA823755 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR18650609.fastq.gz	Fastqsanger.gz
	SRR18650610.fastq.gz	Fastqsanger.gz
	SRR18650611.fastq.gz	Fastqsanger.gz
	SRR18650612.fastq.gz	Fastqsanger.gz
	SRR18650613.fastq.gz	Fastqsanger.gz

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Single-cell RNA-sequencing of blood and tonsillar CD4+ CD57+ and CD57- T cells

Project description:Gene-environment interactions are implicated in immunopathology, but few specific mechanisms have been identified. We defined two terminal-differentiation pathways for human CD4+ T cells each marked by CD57. Rare blood CD57+ CD4+ T cells marked by TCF1 downregulation (Thcyt) adopt a cytotoxic and terminal-effector transcriptome. By contrast, human CD57+ GC-Tfh cells exhibit a transcriptome of the precursor exhausted T cells marked by TCF7, TOX and ID3 and constitutive expression of CTLA4, which collectively confer resistance to becoming cytotoxic. By clarifying human CD4+ T cell terminal differentiation, we have revealed how CTLA4 mitigates the risk of maladaptive cytotoxicity during infection.

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