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Sm eggs Virtual memory T cells

ABSTRACT: Sm eggs Virtual memory T cells

PROVIDER: PRJNA435433 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR6760720.fastq.gz	Fastqsanger.gz
	SRR6760730.fastq.gz	Fastqsanger.gz
	SRR6760740.fastq.gz	Fastqsanger.gz
	SRR6760721.fastq.gz	Fastqsanger.gz
	SRR6760731.fastq.gz	Fastqsanger.gz

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Sm eggs Virtual memory T cells

Project description:Transcriptomics analysis of virtual memory CD8+ T cells after treatment with Schistosoma mansoni eggs.

2018-10-05 | GSE110971 | GEO

Virtual memory T-cells orchestrate extra-lymphoid responses conducive to resident memory

Project description:Virtual memory T-cells orchestrate extra-lymphoid responses conducive to resident memory

| PRJNA624067 | ENA

Characterization of CD8+ virtual memory T cells in IL-4 knockout mice using single-cell RNA sequencing

Project description:We profiled the heterogeneity of virtual memory T cells and observed changes in virtual memory T cell subsets under conditions of IL-4 deficiency in mouse spleens using single-cell RNA sequencing.

2024-08-14 | GSE274396 | GEO

The Heterogenicity of Virtual Memory CD8 T Cells in Relation to Their Cytokine Dependent Development

Project description:The development of virtual memory CD8 T cells is dependent on IL-4, type I interferon, and IL-15. However, it remains unclear whether these cytokines individually contribute to the generation of specific subsets of virtual memory CD8 T cells. In this study, virtual memory CD8 T cells were categorized into four subsets based on Ly6C and Sca-1 expression, and their development was examined using knock-out mice lacking IFNAR1, IL-4, or IL-15Rα. Notably, both Ly6C+ Sca-1+ and Ly6C- Sca-1+ subsets were significantly reduced in the spleen of IFNAR1 knock-out mice, while the proportion of Ly6C+ Sca-1- VM CD8 T cells was reduced in IL-4-deficient mice. In IL-15Rα knock-out mice, both the Ly6C+ Sca-1- and Ly6C- Sca-1- subsets were significantly reduced. Bulk RNA sequencing analysis revealed distinct gene expression patterns in naïve cells, true memory cells, and four virtual memory cells subsets. Specifically, Ly6C+ subsets were enriched with IL-15 signal-related genes, whereas Ly6C- subsets and true memory cells were enriched for cell cycle-related genes. Functionally, the Ly6C+ subsets exhibited higher production of IFN-γ, TNF-α, and perforin compared to the Ly6C- subsets. Overall, this study demonstrates the heterogeneity of virtual memory CD8 T cells and highlights the cytokine-dependent nature for their development.

2024-12-12 | GSE283738 | GEO

Virtual memory T-cells orchestrate extra-lymphoid responses conducive to resident memory

Project description:A primary immune response is typically initiated in secondary lymphoid organs. Virtual memory CD8+ T (TVM) cells are antigen-inexperienced T cells of a central-memory phenotype, acquired through self antigen-driven homeostatic proliferation. Unexpectedly, here we find that, TVM cells are composed of CCR2+ and CCR2- subsets that differentially elaborate a spectrum of effector- and memory-poised functions directly in the tissue. During a primary flu infection, TVM cells rapidly infiltrate the lung in the first day and execute early viral control. TVM cells that recognize viral antigen are retained in the tissue, clonally expand independent of secondary lymphoid organs, and preferentially give rise to tissue-resident memory cells. By orchestrating an extra-lymphoid primary response, heterogenous TVM cells bridge innate reaction and adaptive memory directly in the infected tissue.

2021-06-15 | GSE148364 | GEO

Generation of virtual memory from relatively highly self-reactive is a mechanism of self-tolerance

Project description:Virtual memory T cell show an intermediate expression profile in between naïve and true memory T cells. Most plausible explanation is that they trigger partial memory differentiation program.

2017-11-09 | GSE90522 | GEO

Analysis of gene-expression in normal, unmanipulated naïve (CD44lo/CD49dlo; CD5lo/CD5hi) and Virtual memory (CD44hi/CD49dlo) T cells

Project description:Splenocytes from lymphoreplete, unmanipulated mice were analyzed for basal mRNA levels. We hypothesized, based on previous data from our lab and others, that many cytokine/inflammatory response genes would show an increase from naïve CD5lo<CD5hi<Virtual memory.

2016-04-19 | GSE78247 | GEO

The Heterogenicity of Virtual Memory CD8 T Cells in Relation to Their Cytokine Dependent Development

Project description:The Heterogenicity of Virtual Memory CD8 T Cells in Relation to Their Cytokine Dependent Development

| PRJNA1195109 | ENA

Characterization of CD8+ virtual memory T cells in IL-4 knockout mice using single-cell RNA sequencing

Project description:Characterization of CD8+ virtual memory T cells in IL-4 knockout mice using single-cell RNA sequencing

| PRJNA1146335 | ENA

RIP-seq analysis of eukaryotic Sm proteins identifies three major categories of Sm-containing ribonucleoproteins

Project description:Background: Sm proteins are multimeric RNA-binding factors, found in all three domains of life. Eukaryotic Sm proteins, together with their associated RNAs, form small ribonucleoprotein (RNP) complexes important in multiple aspects of gene regulation. Comprehensive knowledge of the RNA components of Sm RNPs is critical for understanding their functions. Results: We developed a multi-targeting RNA-immunoprecipitation sequencing (RIP-seq) strategy to reliably identify Sm-associated RNAs from Drosophila ovaries and cultured human cells. Using this method, we discovered three major categories of Sm-associated transcripts: small nuclear (sn)RNAs, small Cajal body (sca)RNAs and mRNAs. Additional RIP-PCR analysis showed both ubiquitous and tissue-specific interactions. We provide evidence that the mRNA-Sm interactions are mediated by snRNPs, and that one of the mechanisms of interaction is via base pairing. Moreover, the Sm-associated mRNAs are mature, indicating a splicing-independent function for Sm RNPs. Conclusions: This study represents the first comprehensive analysis of eukaryotic Sm-containing RNPs, and provides a basis for additional functional analyses of Sm proteins and their associated snRNPs outside of the context of pre-mRNA splicing. Our findings expand the repertoire of eukaryotic Sm-containing RNPs and suggest new functions for snRNPs in mRNA metabolism.

2013-12-01 | GSE35842 | GEO

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