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Transcriptome analysis of germinal center B cells of WT and SAP-deficient mice

ABSTRACT: Transcriptome analysis of germinal center B cells of WT and SAP-deficient mice

PROVIDER: PRJNA597848 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR10771061.fastq.gz	Fastqsanger.gz
	SRR10771063.fastq.gz	Fastqsanger.gz
	SRR10771064.fastq.gz	Fastqsanger.gz
	SRR10771065.fastq.gz	Fastqsanger.gz
	SRR10771066.fastq.gz	Fastqsanger.gz

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Transcriptome analysis of germinal center B cells of WT and SAP-deficient mice

Project description:Analysis of germinal center B cells derived from WT and SAP-deficient mice revealed that SAP-deficient mice have reduced Myc signature

2019-12-28 | GSE142640 | GEO

Germinal center T follicular helper cell IL-4 production is dependent on SLAM receptor (CD150)

Project description:CD4 T cell help is critical for both the generation and maintenance of germinal centers, and T follicular helper (TFH) cells are the CD4 T cell subset required for this process. SAP (SH2D1A) expression in CD4 T cells is essential for germinal center development. However, SAP-deficient mice have only a moderate defect in TFH differentiation as defined by common TFH surface markers. CXCR5+ TFH cells are found within the germinal center as well as along the boundary regions of T/B cell zones. Here we show that germinal center associated T cells (GC TFH) can be identified by their co-expression of CXCR5 and the GL7 epitope, allowing for phenotypic and functional analysis of TFH and GC TFH populations. Here we show GC TFH are a functionally discrete subset of further polarized TFH cells, with enhanced B cell help capacity and a specialized ability to produce IL-4 in a TH2-independent manner. Strikingly, SAP-deficient mice have an absence of the GC TFH subset and SAP- TFH are defective in IL-4 and IL-21 production. We further demonstrate that SLAM (Slamf1, CD150), a surface receptor that utilizes SAP signaling, is specifically required for IL-4 production by GC TFH. GC TFH cells require IL-4 and IL-21 production for optimal help to B cells. These data illustrate complexities of SAP-dependent SLAM family receptor signaling, revealing a prominent role for SLAM receptor ligation in IL-4 production by germinal center CD4 T cells but not in TFH and GC TFH differentiation. This SuperSeries is composed of the following subset Series: GSE21379: Expression Data from WT and Sh2d1a-/- in vivo follicular helper CD4 T cells (TFH) versus non follicular helper CD4 T cells (non-TFH) GSE21380: Expression Data from in vivo Tfh vs GC Tfh vs non-Tfh Refer to individual Series

2010-04-28 | E-GEOD-21381 | biostudies-arrayexpress

Germinal center T follicular helper cell IL-4 production is dependent on SLAM receptor (CD150)

2010-04-20 | GSE21381 | GEO

RNA-seq analysis of gene expression profile in Setd2 WT and KO germinal center B cells and Phf19 WT and KO germinal center B cells

Project description:The goals of this study are to compare gene expression profiles of Setd2 WT and KO germinal center B cells and reveal the underlying mechanisms by which Setd2 regulates germinal center B cell responses. Further our study aims to compare gene expression profiles of Phf19 WT and KO germinal center B cells reveal the underlying mechanisms by which Phf19 regulates germinal center B cells responses. Finally, we combine the two profiles and investigate the relation shape betweeen Setd2 dependent regulation and Phf19 dependent regulation.

2024-09-14 | GSE184075 | GEO

RNA-seq data from nsd2 wt and ko germinal center B cells

Project description:The goal of this study was to invetigate the mechanisms by which nsd2 regulate germinal center reaction by comparing RNA-seq data between nsd2 wt and ko germinal center B cells

2018-12-07 | GSE111755 | GEO

Single-cell gene expression of germinal center B cells from CXCL12-conditionally deficient and –sufficient mice

Project description:The chemokines CXCL13 and CXCL12 are reported to be important for the germinal center reaction. Since CXCL12-deficient mice are embryonically lethal, here we took advantage of the Cxcl13-Cre/TdTomato mouse models to genetically ablate CXCL12 from B cell-interacting reticular cells and examine the molecular consequence on germinal center B cells. Spatial segregation of follicular dendritic cells, germinal center B cells and follicular helper T cells is impaired in Cxcl13-Cre/TdTomato Cxcl12fl/fl mice. Single cell transcriptomic analysis revealed that all germinal center B cell subsets (corresponding to distinct stages of the germinal center response) are present in draining lymph nodes of immunized CXCL12-conditionally deficient mice. While most transcriptional regulators of the germinal center response are unperturbed by the genetic perturbation of CXCL12, Bach2 levels were elevated in germinal center B cells from lymph nodes of Cxcl12fl/fl mice. Moreover, single cell B cell receptor sequencing revealed that germinal center B cells in Cxcl13-Cre/TdTomato Cxcl12fl/fl mice harbour a lower mutational burden when compared to germinal center B cells isolated from immunized control mice. Gene expression profiles were validated by flow cytometry and suggest that the provision of CXCL12 by reticular cells governs efficient germinal center responses.

2020-05-12 | E-MTAB-8454 | biostudies-arrayexpress

B cell HVEM interaction with T cell BTLA restrains the help delivered to germinal center B cells

Project description:Gene expression of HVEM-deficient versus WT germinal center (GC) B cells.

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RNA-seq analysis of gene expression profile in Uhrf1 WT and KO germinal center B cells

Project description:The goals of this study are to compare gene expression profiles of Uhrf1 WT and KO germinal center B cells and reveal the underlying mechanisms by which Uhrf1 regulates germinal center B cell responses. We found that upon Uhrf1 depeletion in germinal center B cells, most of the differentially expressed genes were upreguated.

2018-03-26 | GSE102270 | GEO

Proteome profiling of mouse germinal center B cells

Project description:Productive B cell responses are critical to protect a host from infection. The spleen and lymph nodes are populated by resting follicular B cells, which can enter germinal centers upon antigen encounter. Once in the germinal center, B cells migrate between the dark and light zones, where they undergo somatic hypermutation and selection, respectively. While germinal center B cells have been studied, an intense molecular understanding of these cells/subsets (and the differences between them) is lacking.

2020-04-06 | PXD015524 | Pride

H3K36me2 occupancy profiling by high throughput sequencing from nsd2 wt and ko germinal center B cells

Project description:WHSC1 catalyzes dimethylation of lysine 36 on histone H3, which is upregualted in germinal center B cells. This study aimed to understand the H3K36me2 genome-wide alterations by analysing CHIP-seq data between wt and ko germinal center B cells.

2018-12-07 | GSE111756 | GEO

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