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CD20 positive CD8 T cells are a unique and transcriptionally-distinct subset of T cells with distinct transmigration properties

ABSTRACT: CD20 positive CD8 T cells are a unique and transcriptionally-distinct subset of T cells with distinct transmigration properties

PROVIDER: PRJNA766627 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR16086214.fastq.gz	Fastqsanger.gz
	SRR16086215.fastq.gz	Fastqsanger.gz
	SRR16086216.fastq.gz	Fastqsanger.gz
	SRR16086217.fastq.gz	Fastqsanger.gz
	SRR16086218.fastq.gz	Fastqsanger.gz

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CD20 positive CD8 T cells are a unique and transcriptionally-distinct subset of T cells with distinct transmigration properties

Project description:This study further delineates the properties CD20-positive T cells, which display a reduced transmigration and an enhanced adhesive profile combined with an enhanced activation status

2021-09-29 | GSE184833 | GEO

CD20 positive CD8 T cells are a unique and transcriptionally-distinct subset of T cells with distinct transmigration properties.

Project description:The presence of T cells that are dimly positive for the B cell marker CD20 is well-established in autoimmunity and correlates with disease severity in various diseases. Further, we previously identified that the level of CD20-positive T cells was three-fourfold elevated in ascites fluid of ovarian carcinoma patients, together suggesting a role in both autoimmunity and cancer. In this respect, treatment of autoimmune patients with the CD20-targeting antibody Rituximab has also been shown to target and deplete CD20-positive T cells, previously identified as IFN-gamma producing, low proliferative, CD8 cytotoxic T cells with an effector memory (EM) differentiation state. However, the exact phenotype and relevance of CD20-positive T cells remains unclear. Here, we set out to identify the transcriptomic profile of CD20-positive T cells using RNA sequencing. Further, to gain insight into potential functional properties of CD20 expression in T cells, CD20 was ectopically expressed on healthy human T cells and phenotypic, functional, migratory and adhesive properties were determined in vitro and in vivo. Together, these assays revealed a reduced transmigration and an enhanced adhesive profile combined with an enhanced activation status for CD20-positive T cells.

| S-EPMC8520003 | biostudies-literature

Properties and functions of transcriptionally distinct enteric neurons

Project description:Properties and functions of transcriptionally distinct enteric neurons

| PRJEB98987 | ENA

Identification of a nerve-associated, lung-resident interstitial macrophage subset with distinct localization and immunoregulatory properties [bulk-seq]

Project description:Tissue-resident macrophages are a diverse population of cells that perform specialized functions including sustaining tissue homeostasis and tissue surveillance. Here we report an interstitial subset of CD169+ lung-resident macrophages that are transcriptionally and developmentally distinct from alveolar macrophages (AMs). They are primarily localized around the airways and are found in close proximity to the sympathetic nerves located in the bronchovascular bundle. These nerve- and airway-associated macrophages (NAMs) are tissue-resident, yolk sac-derived, self-renewing, and do not require CCR2+ monocytes for development or maintenance. Unlike AMs, the development of NAMs requires CSF1, but not GM-CSF. Bulk population and single cell transcriptome analysis indicated that NAMs are distinct from other lung resident macrophage subsets and highly express immunoregulatory genes under steady state and inflammatory conditions. NAMs proliferated robustly following influenza infection and activation with the TLR ligand poly I:C, and in their absence, the inflammatory response was augmented resulting in excessive production of inflammatory cytokines and innate immune cell infiltration. Overall, our study provides insights into a distinct subset of airway-associated pulmonary macrophages that function to maintain immune and tissue homeostasis.

2020-03-10 | GSE146681 | GEO

Identification of a nerve-associated, lung-resident interstitial macrophage subset with distinct localization and immunoregulatory properties [scRNA-seq]

2020-03-10 | GSE146682 | GEO

Gene expression analysis between CD20- CD138- and CD20+ CD138+ subpopulations using sorted MWCL-1

Project description:For the complete cure of tumors, it is essential to eliminate cancer-initiating cells (CICs). Immunohistochemically, most tumor cells were CD20 and/or CD138 positive in clinical samples of lymphoplasmacytic lymphoma (LPL), and CD20- CD138- cells were hardly detected. Therefore, useful positive markers expressing in a candidate of CICs of LPL are necessary. First, we performed gene expression microarray analysis between CD20- CD138- and CD20+ CD138+ subpopulations using sorted Waldenstrom macroglobulinemia cell line (MWCL-1).

2016-02-17 | GSE73756 | GEO

Gene expression analysis between CD20- CD138- and CD20+ CD138+ subpopulations using sorted MWCL-1

2016-02-17 | E-GEOD-73756 | biostudies-arrayexpress

CD4 help is required for the generation of a transcriptionally distinct cytolytic CD8 T cell subset that arises during chronic viral infection

Project description:CD4 help is crucial to sustain the function of exhausted CD8 T cells, yet the detailed mechanisms by which CD4 help regulates CD8 T cell differentiation and function during chronic viral infection remain elusive. Here, using single cell RNA-sequencing (scRNA-seq) we show that CD8 T cells responding to chronic viral infection are more heterogeneous than previously appreciated, with three transcriptionally distinct subsets dominating the late phase of the antiviral response. Importantly, our findings uncover the formation of a previously unrecognized CD8 T cell subset that exhibits potent cytolytic function. This subset is characterized by high expression of killer cell lectin-like receptors Klre1 and Klra9, the chemokine receptor CX3CR1, and the transcription factors T-bet and Zeb2. Notably, our data further demonstrate that the formation of this cytotoxic subset is critically dependent on CD4 help and that exploitation of this developmental pathway may be used therapeutically to enhance the killer function of CD8 T cells infiltrated into the tumor. These findings uncover novel cellular and molecular mechanisms of how CD4 help regulates CD8 T cell differentiation during persistent infection and have implications towards optimizing the generation of protective CD8 T cells in immunotherapy.

2019-12-05 | GSE129139 | GEO

CD62L expression marks a functionally distinct subset of memory B cells

Project description:The memory B cell response consists of phenotypically distinct subsets that differ in their ability to respond upon antigen re-encounter. However, the pathways regulating the development and function of memory B cell subsets are poorly understood. Here we show that CD62L and CD44 are progressively expressed on mouse memory B cells and identify transcriptionally and functionally distinct memory B cell subsets. Bcl6 is important in regulating memory B cell subset differentiation with overexpression of Bcl6 resulting in impaired CD62L+ memory B cell development. Bcl6 regulates memory B cell subset development through control of a network of genes, including Bcl2 and Zeb2. Overexpression of Zeb2 impairs the development of CD62L+ memory B cells. Importantly, CD62L is also differentially expressed on human memory B cells following SARS-CoV-2 vaccination and identifies phenotypically distinct populations. Together, these data indicate that CD62L expression marks functionally distinct memory B cell subsets.

2023-12-07 | GSE247445 | GEO

CD4 help is required for the generation of a transcriptionally distinct cytolytic CD8 T cell subset that arises during chronic viral infection

Project description:CD4 help is required for the generation of a transcriptionally distinct cytolytic CD8 T cell subset that arises during chronic viral infection

| PRJNA530219 | ENA

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