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The alarmin interleukin-33 promotes the expansion and preserves the stemness of Tcf-1+ CD8 T cells in chronic viral infection

ABSTRACT: The alarmin interleukin-33 promotes the expansion and preserves the stemness of Tcf-1+ CD8 T cells in chronic viral infection

PROVIDER: PRJNA866121 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR20826714_1.fastq.gz	Fastqsanger.gz
	SRR20826714_2.fastq.gz	Fastqsanger.gz
	SRR20826715_1.fastq.gz	Fastqsanger.gz
	SRR20826715_2.fastq.gz	Fastqsanger.gz
	SRR20826716_1.fastq.gz	Fastqsanger.gz

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The alarmin interleukin-33 promotes the expansion and preserves the stemness of Tcf-1+ CD8 T cells in chronic viral infection (ATAC-Seq)

Project description:T-cell factor 1 (Tcf-1) expressing CD8 T cells exhibit stem-like self-renewing capacity rendering them key for immune defense against chronic viral infection and cancer. Yet, the signals that promote the formation and maintenance of these memory-like CD8 T cell (CD8ML) remain poorly defined. Studying CD8 T cell differentiation in mice with chronic viral infection we identify the alarmin interleukin-33 (IL-33) as pivotal for the expansion and stem-like functioning of CD8ML as well as for virus control. IL-33 receptor- (ST2-) deficient CD8 T cells exhibit biased end-differentiation and premature loss of Tcf-1. Intriguingly, ST2-deficient CD8ML responses are restored by blockade of type I interferon signaling, suggesting that opposing IFN-I and IL-33 effects control CD8ML formation in chronic infection. IL-33 signals broadly augment chromatin accessibility in CD8ML and determine these cells’ re-expansion potential. Our study identifies the IL-33 – ST2 axis as an important CD8ML-promoting pathway in the context of chronic viral infection.

2023-04-06 | GSE210536 | GEO

The alarmin interleukin-33 promotes the expansion and preserves the stemness of Tcf-1+ CD8 T cells in chronic viral infection (RNA-Seq II)

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The alarmin interleukin-33 promotes the expansion and preserves the stemness of Tcf-1+ CD8 T cells in chronic viral infection (RNA-Seq I)

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The alarmin interleukin-33 promotes the expansion and preserves the stemness of Tcf-1+ CD8 T cells in chronic viral infection (ATAC-Seq)

Project description:The alarmin interleukin-33 promotes the expansion and preserves the stemness of Tcf-1+ CD8 T cells in chronic viral infection (ATAC-Seq)

| PRJNA866124 | ENA

The alarmin interleukin-33 promotes the expansion and preserves the stemness of Tcf-1+ CD8 T cells in chronic viral infection (RNA-Seq I)

Project description:The alarmin interleukin-33 promotes the expansion and preserves the stemness of Tcf-1+ CD8 T cells in chronic viral infection (RNA-Seq I)

| PRJNA866123 | ENA

The alarmin interleukin-33 promotes the expansion and preserves the stemness of Tcf-1+ CD8 T cells in chronic viral infection (RNA-Seq II)

Project description:The alarmin interleukin-33 promotes the expansion and preserves the stemness of Tcf-1+ CD8 T cells in chronic viral infection (RNA-Seq II)

| PRJNA866122 | ENA

The alarmin interleukin-33 drives protective antiviral CD8+ T cell responses

Project description:Pathogen-associated molecular patterns decisively influence antiviral immune responses, whereas the contribution of endogenous signals of tissue damage, also known as “damage-associated molecular patterns” or “alarmins”, remains ill-defined. We show that interleukin-33 (IL-33), an alarmin released from necrotic cells, is necessary for potent CD8+ T cell (CTL) responses to replicating, prototypic RNA and DNA viruses in mice. IL-33 signaled through its receptor on activated CTLs, enhanced clonal expansion in a MyD88-dependent, CTL-intrinsic fashion, determined polyfunctional effector cell differentiation and was necessary for virus control. Moreover, recombinant IL-33 augmented vaccine-induced CTL responses. Radio-resistant cells of the splenic T cell zone produced IL-33, and efficient CTL responses required IL-33 from radio-resistant cells but not from hematopoietic cells. Thus, alarmin release by radio-resistant cells orchestrates protective antiviral CTL responses. 2 groups (wt vs. ST-/- P14 cells), 3 replicates per group.

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The alarmin interleukin-33 promotes the expansion and preserves the stemness of Tcf-1+ CD8 T cells in chronic viral infection

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

2023-04-06 | GSE210539 | GEO

The alarmin interleukin-33 drives protective antiviral CD8+ T cell responses

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Extracellular-acidosis restricts one-carbon metabolism and preserves T cell stemness

Project description:Extracellular-acidosis restricts one-carbon metabolism and preserves T cell stemness

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