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Dependence on Bcl6 and Blimp1 identifies distinct mechanisms driving memory and follicular helper CD4+ T cell differentiation

ABSTRACT: Dependence on Bcl6 and Blimp1 identifies distinct mechanisms driving memory and follicular helper CD4+ T cell differentiation

PROVIDER: PRJNA766643 | ENA |

REPOSITORIES: ENA

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Dependence on Bcl6 and Blimp1 identifies distinct mechanisms driving memory and follicular helper CD4+ T cell differentiation [scRNA-Seq]

Project description:During the immune response, CD4+ T cells differentiate into distinct effector subtypes, including follicular helper T (Tfh) cells that help B cells, and into memory cells. Tfh and memory cells are required for long-term immunity; both depend on the transcription factor Bcl6, raising the question of whether they differentiate through similar mechanisms. Here, using notably single-cell RNA and ATAC sequencing, we show that virus-responding CD4+ T cells lacking both Bcl6 and Blimp1 can differentiate into cells with transcriptomic, chromatin accessibility and function attributes of memory cells, but not of Tfh cells. Thus, Bcl6 promotes memory cell differentiation primarily through its repression of Blimp1. These findings demonstrate that distinct mechanisms underpin the differentiation of memory and Tfh CD4+ cell and define the Bcl6-Blimp1 axis as a potential target for promoting long-term memory T cell differentiation.

2021-11-14 | GSE184847 | GEO

Dependence on Bcl6 and Blimp1 identifies distinct mechanisms driving memory and follicular helper CD4+ T cell differentiation [scATAC-Seq]

2021-11-14 | GSE184846 | GEO

Dependence on Bcl6 and Blimp1 identifies distinct mechanisms driving memory and follicular helper CD4+ T cell differentiation [scATAC-Seq]

Project description:Dependence on Bcl6 and Blimp1 identifies distinct mechanisms driving memory and follicular helper CD4+ T cell differentiation [scATAC-Seq]

| PRJNA766646 | ENA

Dependence on Bcl6 and Blimp1 identifies distinct mechanisms driving memory and follicular helper CD4+ T cell differentiation [scRNA-Seq]

Project description:Dependence on Bcl6 and Blimp1 identifies distinct mechanisms driving memory and follicular helper CD4+ T cell differentiation [scRNA-Seq]

| PRJNA766645 | ENA

Dependence on Bcl6 and Blimp1 drive distinct differentiation of murine memory and follicular helper CD4+ T cells.

Project description:During the immune response, CD4+ T cells differentiate into distinct effector subtypes, including follicular helper T (Tfh) cells that help B cells, and into memory cells. Tfh and memory cells are required for long-term immunity; both depend on the transcription factor Bcl6, raising the question whether they differentiate through similar mechanisms. Here, using single-cell RNA and ATAC sequencing, we show that virus-responding CD4+ T cells lacking both Bcl6 and Blimp1 can differentiate into cells with transcriptomic, chromatin accessibility, and functional attributes of memory cells but not of Tfh cells. Thus, Bcl6 promotes memory cell differentiation primarily through its repression of Blimp1. These findings demonstrate that distinct mechanisms underpin the differentiation of memory and Tfh CD4+ cells and define the Bcl6-Blimp1 axis as a potential target for promoting long-term memory T cell differentiation.

| S-EPMC8605495 | biostudies-literature

Population gene expression of anti-viral CD4 T cells in Bcl6 and Blimp1 deficient conditions

Project description:Population gene expression of effector CD4+ T cells WT, Bcl6-deficient , Blimp1-deficient or Bcl6 Blimp1-deficient was determined by RNAseq after LCMV Armstrong infection

2021-11-05 | GSE149597 | GEO

Single-cell gene expression of anti-viral CD4 T cells in Bcl6 and Blimp1 deficient conditions

Project description:Single-cell gene expression of effector CD4+ T cells WT, Bcl6-deficient , Blimp1-deficient or Bcl6 Blimp1-deficient was determined by scRNAseq after LCMV Armstrong infection

2021-11-05 | GSE149912 | GEO

Dependence on Bcl6 and Blimp1 identifies distinct mechanisms driving memory and follicular helper CD4+ T cell differentiation

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

2021-11-14 | GSE184848 | GEO

Single-cell chromatin accessibility of anti-viral CD4 T cells in Bcl6 and Blimp1 deficient conditions

Project description:Single-cell chromatin accessibility of effector CD4+ T cells WT or Bcl6 Blimp1-deficient was determined by scATACseq after LCMV Armstrong infection

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Bcl6 expression specifies the T follicular helper cell program in vivo

Project description:T follicular helper (Tfh) cells play a pivotal role in germinal center reactions, which requires Bcl6 transcription factor. To analyze their relationships with other effector T cell lineages and their stability in vivo, we developed and analyzed a new Bcl6 reporter mouse alone or together with other lineage reporter systems. Assisted with genome-wide transcriptome analysis, we show substantial plasticity of T cell differentiation in the early phase of immune response. At this stage, CXCR5 appears to be expressed in a Bcl6-independent manner. Once Bcl6 is highly expressed, Tfh cells can persist in vivo and some of them develop into memory cells. Together, our results indicate Bcl6 as a bona fide marker for Tfh polarized program. Three group of samples, with 2 biological replicates within each group and total of 6 samples were analyzed.

2012-09-17 | E-GEOD-40068 | biostudies-arrayexpress

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