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Impact of Tle3 deficiency on memory T cell chromatin accessbility landscape

ABSTRACT: The goal of this study is to determine if central memory (Tcm) and effector memory (Tem) CD8 T cells can be reprogrammed to change their fate. We demonstrate that genetic ablation of Tle3 can promote generation of Tcm cells at the expense of Tem cells, and this can occur during the effector phase of the immune response.

ORGANISM(S): Mus musculus

PROVIDER: GSE213035 | GEO | 2023/10/10

REPOSITORIES: GEO

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Impact of Tle3 deficiency on memory T cell transcriptome

Project description:The goal of this study is to determine if central memory (Tcm) and effector memory (Tem) CD8 T cells can be reprogrammed to change their fate. We demonstrate that genetic ablation of Tle3 can promote generation of Tcm cells at the expense of Tem cells, and this can occur during the effector phase of the immune response.

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Transcription profiling of human CD8 naive (TN), central memory (TCM), effector memory (TEM), and effector memory RA (TEMRA) T cells

Project description:Memory T cells are heterogeneous in terms of their phenotype and functional properties. We investigated the molecular profiles of human CD8 naïve (TN), central memory (TCM), effector memory (TEM), and effector memory RA (TEMRA) T cells using gene expression microarrays and phospho-protein-specific intracellular flow cytometry. We demonstrate that TCM have a gene expression and cytokine signaling signature that lies between that of TN and TEM or TEMRA cells, whereas TEM and TEMRA are closely related. Our data define the molecular basis for the different functional properties of central and effector memory subsets. We show that TEM and TEMRA cells strongly express genes with known importance in CD8 T cell effector function. In contrast, TCM are characterized by high basal and cytokine-induced STAT5 phosphorylation, reflecting their capacity for self-renewal. Altogether, our results distinguish TCM and TEM/TEMRA at the molecular level and are consistent with the concept that TCM represent memory stem cells.

2005-01-01 | E-TABM-40 | biostudies-arrayexpress

Gene expressions of CD4+ T cells in each developmental stages

Project description:The development of T cells has been characterized as taking place over three stages: naïve (Tn), central memory (Tcm), and effector memory (Tem) cells. Recently, stem cell memory T cells (Tscm) were found to be the least-developed memory subset. We performed detailed analysis of the gene expression of human CD4+ T cells with clear distinction of the Tn, Tscm, Tcm, and Tem stages. We sorted Tn, Tscm, Tcm, and Tem CD4+ T cells from the peripheral blood of six healthy volunteers to see the differences of gene expression between each developmental stage.

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Expression of miRNAs in human ex-vivo CD8+ T cell subsets

Project description:The aim was to assess miRNA expression in 3 human ex-vivo CD8+ T cell subsets which span from antigen inexperienced cells (NaM-CM-/ve) to early memory cells (central memory, Tcm) and later stage memory cells (effector memory, Tem) CD8+ T cells were sorted on a FACS Aria II machine. N = naM-CM-/ve = CD8+, CCR7+, CD45RA+, CD45RO-, Tcm = central memory = CD8+, CCR7+, CD45RA-, CD45RO-,Tem= effector memory = CD8+, CCR7-, CD45RA-, CD45RO+ PBMC were isolated from 3 healthy human donors and sorted by FACS into 3 CD8+ T cell subsets. Total RNA was purified using the miRVANA kit (Ambion)

2014-10-24 | E-GEOD-54867 | biostudies-arrayexpress

Expression of miRNAs in human ex-vivo CD8+ T cell subsets

Project description:The aim was to assess miRNA expression in 3 human ex-vivo CD8+ T cell subsets which span from antigen inexperienced cells (Naïve) to early memory cells (central memory, Tcm) and later stage memory cells (effector memory, Tem) CD8+ T cells were sorted on a FACS Aria II machine. N = naïve = CD8+, CCR7+, CD45RA+, CD45RO-, Tcm = central memory = CD8+, CCR7+, CD45RA-, CD45RO-,Tem= effector memory = CD8+, CCR7-, CD45RA-, CD45RO+

2014-10-24 | GSE54867 | GEO

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