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Single-Cell Transcriptomics Identifies TOX as a Key Transcriptional Regulator of Progenitor-Like CD8 T Cells in Chronic Infection [single-cell RNA-seq]

ABSTRACT: Single-Cell Transcriptomics Identifies TOX as a Key Transcriptional Regulator of Progenitor-Like CD8 T Cells in Chronic Infection [single-cell RNA-seq]

PROVIDER: PRJNA490748 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR8453540.fastq.gz	Fastqsanger.gz
	SRR8453531.fastq.gz	Fastqsanger.gz
	SRR8453532.fastq.gz	Fastqsanger.gz
	SRR8453533.fastq.gz	Fastqsanger.gz
	SRR8453534.fastq.gz	Fastqsanger.gz

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Innate lymphoid cell development requires TOX-dependent generation of a common ILC progenitor

Project description:Subtypes of innate lymphoid cells (ILC), defined by effector function and transcription factor expression, have recently been identified. In the adult, ILC derive from common lymphoid progenitors in bone marrow, although transcriptional regulation of the developmental pathways involved remains poorly defined. TOX is required for development of lymphoid tissue inducer cells, a type of ILC3 required for lymph node organogenesis, and NK cells, a type of ILC1. We show here that production of multiple ILC lineages requires TOX, as a result of TOX-dependent development of common ILC progenitors. Comparative transcriptome analysis demonstrated failure to induce various aspects of the ILC gene program in the absence of TOX, implicating this nuclear factor as a key early determinant of ILC lineage specification. TOX KO vs. wild tyype

2015-04-27 | E-GEOD-65850 | biostudies-arrayexpress

Single-Cell Transcriptomics Identifies TOX as a Key Transcriptional Regulator of Progenitor-Like CD8 T Cells in Chronic Infection [RNA-seq]

Project description:Stem-like CD8 T cells maintain long-term antiviral CD8 immunity during chronic infection, and share regulatory pathways with memory precursor effector cells generated after acute infection. However, it is unclear whether stem-like CD8 T cells require distinct transcriptional and epigenetic regulation for their longevity and adaptation to the immunosuppressive environment in chronic infection. Here, our comparison of single-cell transcriptomes and epigenetic profiles of CD8 T cells responding to acute and chronic viral infections revealed that stem-like CD8 T cells became distinct from memory precursors before clonal expansion ended. We found that a coexpression gene module containing Tox exhibited higher transcriptional activities and active histone marks in stem-like T cells than memory precursors. Moreover, TOX promoted persistence of antiviral CD8 T cells, and was required for stem-like CD8 differentiation. Our results indicate that stem-like CD8 T cells require unique transcriptional and epigenetic programs for their differentiation and persistence during chronic viral infection.

2019-04-16 | GSE119942 | GEO

Single-Cell Transcriptomics Identifies TOX as a Key Transcriptional Regulator of Progenitor-Like CD8 T Cells in Chronic Infection [ChIP-seq]

2019-04-16 | GSE119941 | GEO

Single-Cell Transcriptomics Identifies TOX as a Key Transcriptional Regulator of Progenitor-Like CD8 T Cells in Chronic Infection

Project description:Single-Cell Transcriptomics Identifies TOX as a Key Transcriptional Regulator of Progenitor-Like CD8 T Cells in Chronic Infection

| PRJNA490745 | ENA

Single-Cell Transcriptomics Identifies TOX as a Key Transcriptional Regulator of Progenitor-Like CD8 T Cells in Chronic Infection [ChIP-seq]

Project description:Single-Cell Transcriptomics Identifies TOX as a Key Transcriptional Regulator of Progenitor-Like CD8 T Cells in Chronic Infection [ChIP-seq]

| PRJNA490749 | ENA

Single-Cell Transcriptomics Identifies TOX as a Key Transcriptional Regulator of Progenitor-Like CD8 T Cells in Chronic Infection [RNA-seq]

Project description:Single-Cell Transcriptomics Identifies TOX as a Key Transcriptional Regulator of Progenitor-Like CD8 T Cells in Chronic Infection [RNA-seq]

| PRJNA490747 | ENA

Oncogenic role of TOX in CTCL

Project description:TOX is a nuclear factor essential for the development of CD4+ T cells in the thymus. TOX is found to be aberrantly up-regulated in the skin biopsies and in the blood CD4+ T cells of cutaneous T cell lymphoma. The goal of this study is to identify potential transcriptional targets of TOX in CTCL by comparison between TOX shRNA transfected CTCL cells (Hut78 and HH) and control CTCL cells. Two color experiment. Lentivirus transduced control vector vs. TOX shRNA vectors on Hut78 and HH cell lines. Biological replicates: 3 control replicates, 3 shRNA tansduced replicates for each cell line.

2014-04-29 | E-GEOD-57122 | biostudies-arrayexpress

Innate lymphoid cell development requires TOX-dependent generation of a common ILC progenitor

2015-04-27 | GSE65850 | GEO

TOX induces T cell IL-10 production in a BATF-dependent manner

Project description:TOX is a member of the HMG-Box transcription factors and plays important roles in thymic T cell development. Outside of the thymus, however, TOX is also highly expressed by CD8 and CD4 T cells in various states of activation and in settings of cancer and autoimmune disease. In CD4 T cells, TOX has been primarily studied in T follicular helper (TFH) cells where it , along with TOX2 promotes TFH differentiation by regulating key TFH-associated genes and suppressing CD4 cytotoxic T cell differentiation. However, the role of TOX in other Th cell subtypes is less clear. In our study, we show that TOX is expressed in several physiologically-activated Th subtypes and its ectopic expression modestly enhances the in vitro differentiation of Th2 and Treg cells. TOX overexpression also induced the expression of a small number of genes in unpolarized Th cells involved in cell activation (Pdcd1, PD-1), cellular trafficking (Ccl3, Ccl4, Xcl1) and in suppressing inflammation (Il10) that was conserved in multiple Th subtypes. We additionally show that TOX co-occupies these genes with the transcription factor BATF and that TOX-induced expression of IL-10, but not PD-1, is BATF-dependent. Based on these data, we propose a model where TOX regulates Th cell chemotactic genes involved in facilitating dendritic cell-T cell interactions and aids in the resolution or prevention of inflammation through the production of IL-10.

2023-08-14 | GSE240348 | GEO

Single-cell RNA-seq reveals TOX as a key regulator of CD8<sup>+</sup> T cell persistence in chronic infection.

Project description:Progenitor-like CD8+ T cells mediate long-term immunity to chronic infection and cancer and respond potently to immune checkpoint blockade. These cells share transcriptional regulators with memory precursor cells, including T cell-specific transcription factor 1 (TCF1), but it is unclear whether they adopt distinct programs to adapt to the immunosuppressive environment. By comparing the single-cell transcriptomes and epigenetic profiles of CD8+ T cells responding to acute and chronic viral infections, we found that progenitor-like CD8+ T cells became distinct from memory precursor cells before the peak of the T cell response. We discovered a coexpression gene module containing Tox that exhibited higher transcriptional activity associated with more abundant active histone marks in progenitor-like cells than memory precursor cells. Moreover, thymocyte selection-associated high mobility group box protein TOX (TOX) promoted the persistence of antiviral CD8+ T cells and was required for the programming of progenitor-like CD8+ T cells. Thus, long-term CD8+ T cell immunity to chronic viral infection requires unique transcriptional and epigenetic programs associated with the transcription factor TOX.

| S-EPMC6588409 | biostudies-literature

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