Browse
Submit Data
Databases
API
Help

Dataset Information

0 Views

0 Connections

0 Citations

0 Reanalyses

0 Downloads

Omics score: 0

Precursors of exhausted T-cells are preemptively formed in acute infection

ABSTRACT: Precursors of exhausted T-cells are preemptively formed in acute infection

PROVIDER: PRJNA1168953 | ENA |

REPOSITORIES: ENA

ACCESS DATA

Json Xml

Dataset's files

Source:

			Action	DRS
	SRR30887100.fastq.gz	Fastqsanger.gz
	SRR30887500.fastq.gz	Fastqsanger.gz
	SRR30887101.fastq.gz	Fastqsanger.gz
	SRR30887501.fastq.gz	Fastqsanger.gz
	SRR30887102.fastq.gz	Fastqsanger.gz

Items per page:

1 - 5 of 34

Similar Datasets

Transcription profiling of mouse naive, effector, memory and exhausted virus-specific CD8 T cells after chronic viral infection

Project description:CD8 T cells normally differentiate from resting naÃ¯ve T cells into function effector and then memory CD8 T cells following acute infections. During chronic viral infections, however, virus-specific CD8 T cells often become exhausted. We used microarrays to examine the gene expression differences between naive, effector, memory and exhausted virus-specific CD8 T cells following lymphocytic choriomeningitis virus infection. Experiment Overall Design: Three or four independent samples were sorted by flow cytometry for each cell type (naive, effector, memory and exhausted) virus-specific CD8 T cells. RNA was extracted and hybridized to Affymetrix microarrays.

2008-06-16 | E-GEOD-9650 | biostudies-arrayexpress

Precursors of exhausted T-cells are preemptively formed in acute infection

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

2025-02-21 | GSE278807 | GEO

Bulk RNA sequencing of PD1hi vs PD1low TCF-1+ P14 precursor cells sorted 7 days after infection with LCMV Armstrong [bulk RNA-seq]

Project description:T-cell exhaustion limits effector T-cell function in chronic infection and tumors. The development of these hypofunctional T-cells was considered to require stimulatory conditions met only upon persisting exposure to antigen and inflammation. In sharp contrast, we found strong diversity among precursor T-cells formed early in acute infections. This includes precursors of normal memory T-cells and cells with phenotypes, gene-expression, and epigenetic profiles that resemble precursors of exhausted T-cells found in chronic infections. We demonstrate that high ligand affinity promotes, and PD-1 signaling restricts the development of these precursors. While these exhausted precursors are initially frequently found, they decline without being completely lost in infections the immune system resolves. We therefore concluded that T-cells are preemptively generated irrespectively of the outcome of the infection.

2025-02-21 | GSE278803 | GEO

Chronic viral infection of naive, effector, memory and exhausted virus-specific CD8 T cells

Project description:CD8 T cells normally differentiate from resting naïve T cells into function effector and then memory CD8 T cells following acute infections. During chronic viral infections, however, virus-specific CD8 T cells often become exhausted. We used microarrays to examine the gene expression differences between naive, effector, memory and exhausted virus-specific CD8 T cells following lymphocytic choriomeningitis virus infection. Keywords: infection response

2007-11-27 | GSE9650 | GEO

CD39 expression identifies terminally exhausted CD8+ T cells

Project description:Exhausted T cells express multiple co-inhibitory molecules that impair their function and limit immunity to chronic viral infection. Defining novel markers of exhaustion is important both for identifying and potentially reversing T cell exhaustion. Herein, we show that the ectonucleotidse CD39 is a marker of exhausted CD8+ T cells. CD8+ T cells specific for HCV or HIV express high levels of CD39, but those specific for EBV and CMV do not. CD39 expressed by CD8+ T cells in chronic infection is enzymatically active, co-expressed with PD-1, marks cells with a transcriptional signature of T cell exhaustion and correlates with viral load in HIV and HCV. In the mouse model of chronic Lymphocytic Choriomeningitis Virus infection, virus-specific CD8+ T cells contain a population of CD39high CD8+ T cells that is absent in functional memory cells elicited by acute infection. This CD39high CD8+ T cell population is enriched for cells with the phenotypic and functional profile of terminal exhaustion. These findings provide a new marker of T cell exhaustion, and implicate the purinergic pathway in the regulation of T cell exhaustion. CD8+ T cells from subjects with HCV infection were sorted and pelleted and re-suspended in TRIzol (Invitrogen). RNA extraction was performed using the RNAdvance Tissue Isolation kit (Agencourt). Concentrations of total RNA were determined with a Nanodrop spectrophotometer or Ribogreen RNA quantification kits (Molecular Probes/Invitrogen). RNA purity was determined by Bioanalyzer 2100 traces (Agilent Technologies). Total RNA was amplified with the WT-Ovation Pico RNA Amplification system (NuGEN) according to the manufacturer's instructions. After fragmentation and biotinylation, cDNA was hybridized to HG-U133A 2.0 microarrays (Affymetrix).

2015-09-08 | E-GEOD-72752 | biostudies-arrayexpress

Single-cell RNA-seq of human breast tumor samples with exhausted and non-exhausted immune environments

Project description:Fresh human breast tumor tissue was dissociated into single cells and viably frozen. Patient samples were annotated as having an ""exhausted"" or ""non-exhausted"" immune environment based on CyTOF characterization of T cell phenotypes (Wagner et al, Cell 2019). 14 samples (7 exhausted, 7 non-exhausted) were selected for scRNA-seq (without prior cell type enrichment) with the goal to compare the two immune environment types and to comprehensively characterize exhaustion-associated features of the tumor microenvironment.

2023-08-25 | E-MTAB-10607 | biostudies-arrayexpress

ATAC-Seq profiling of progenitor exhausted and terminally exhausted CD8+ T-cells from tumors and chronic viral infection

Project description:Epigenetically similar subpopulations of exhausted CD8+ T-cells are found in chronic viral infection and tumors

2018-12-02 | GSE123236 | GEO

Single cell RNA sequencing of TCF-1+ P14 precursor cells sorted 3.25 days after infection with LCMV Armstrong [scRNA-Seq BD Rhapsody]

Project description:T-cell exhaustion limits effector T-cell function in chronic infection and tumors. The development of these hypofunctional T-cells and of their precursors was considered to require stimulatory conditions met only upon persisting exposure to antigen and inflammation. In sharp contrast, we found similar T-cell populations in the early phase of acute infections. At that stage early developing TCF1+ precursor population shows an unexpected diversity, which includes precursors of normal memory T-cells but also cells with a phenotype, gene-expression, and epigenetic profile that resembles precursors of exhausted T-cells found in chronic infections. We demonstrate that high ligand affinity promotes, and PD-1 signaling restricts the development of these precursors. While these exhausted precursors are initially frequently found, they decline without being completely lost in infections the immune system resolves. We therefore concluded that precursor T-cells with at least two distinct phenotypes are preemptively generated irrespectively of the outcome of the infection. In this experiment, cells from day 3.25 pi were analyzed to determine if the different subsets could be detected.

2025-02-21 | GSE278805 | GEO

Bulk RNA-Seq profiling of progenitor exhausted (Slamf6+Tim-3-) and terminally exhausted (Slamf6-Tim-3+) CD8+ T-cells from tumors and chronic viral infection

Project description:Transcriptionally similar subpopulations of exhausted CD8+ T-cells are found in chronic viral infection and tumors

2018-12-02 | GSE123235 | GEO

Single cell RNA sequencing of the progeny of PD1hi vs PD1low TCF-1+ P14 precursor cells on day 15 after secondary host infection with LCMV Armstrong [scRNA-Seq BD Rhapsody]

Project description:T-cell exhaustion limits effector T-cell function in chronic infection and tumors. The development of these hypofunctional T-cells and of their precursors was considered to require stimulatory conditions met only upon persisting exposure to antigen and inflammation. In sharp contrast, we found similar T-cell populations in the early phase of acute infections. At that stage early developing TCF1+ precursor population shows an unexpected diversity, which includes precursors of normal memory T-cells but also cells with a phenotype, gene-expression, and epigenetic profile that resembles precursors of exhausted T-cells found in chronic infections. We demonstrate that high ligand affinity promotes, and PD-1 signaling restricts the development of these precursors. While these exhausted precursors are initially frequently found, they decline without being completely lost in infections the immune system resolves. We therefore concluded that precursor T-cells with at least two distinct phenotypes are preemptively generated irrespectively of the outcome of the infection. Here, using adoptively transferred P14 cells, these subsets were isolated early during infection, re-transfered into new hosts that were subsequently infected as well. The entire progeny of the re-transfered cells was analyzed on day 15 pi.

2025-02-21 | GSE278806 | GEO

OmicsDI is part of the ELIXIR infrastructure

OmicsDI is an Elixir interoperability service. Learn more ›

Tweets

OmicsDI Databases

PRIDE
PeptideAtlas
MassIVE
JPOST Repository
Physiome Model Repository

EGA
EVA
ENA
LINCS
PAXDB
Cell Collective

MetaboLights
Metabolomics Workbench
MetabolomeExpress
GNPS
BioModels
FAIRDOMHub

ArrayExpress
dbGaP
ExpressionAtlas
GEO
NODE

Information

Databases
Help
API
Contact us
Code on GitHub
Terms of use
Submit Data