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Bcl6 controlled gene expression in naïve CD4 T cells (Tfh)

ABSTRACT: Gene expression data from wild-type and Bcl6-/- naive CD4 T cells In order to find genes regulated by Bcl6 in follicular helper T cells

ORGANISM(S): Mus musculus

PROVIDER: GSE67623 | GEO | 2015/04/08

SECONDARY ACCESSION(S): PRJNA280505

REPOSITORIES: GEO

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Bcl6 controlled gene expression in naïve CD4 T cells (Tfh)

Project description:Gene expression data from wild-type and Bcl6-/- naive CD4 T cells In order to find genes regulated by Bcl6 in follicular helper T cells Naïve CD4 T cells were sorted from wild-type (WT) and T cell-specific conditional Bcl6-/- (KO) mice-- 8 samples, 4 WT and 4 KO

2015-04-08 | E-GEOD-67623 | biostudies-arrayexpress

Bcl6 controlled gene expression in naïve CD4 T cells (Tf0)

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Bcl6 controlled gene expression in naïve CD4 T cells (Tf0)

Project description:Gene expression data from wild-type and Bcl6-/- naive CD4 T cells In order to find genes regulated by Bcl6 in follicular helper T cells

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Transcription profiling of mouse vivo follicular helper CD4 T cells (TFH) versus non follicular helper CD4 T cells (non-TFH)

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Expression data from BCL6-YFP-positive Tfh cells, BCL6-YFP-negative Tfh cells, non-Tfh cells, and naïve helper T cells.

Project description:We found that a number of Tfh cells downmodulated BCL6 protein after their development, and we sought to compare the gene expression between BCL6-hi Tfh cells and BCL6-low Tfh cells. CD4+ T cells were sorted from immunized and non-immunized mice for RNA extraction and hybridization on Affymetrix microarrays. Bcl6yfp/+ OT-II cells were transferred to congenic recipient mice, and immunized with NP-OVA in CFA subcutaneously. Seven or ten days after immunization, cells were collected from draining lymph nodes, and sorted on FACSAria by the expression of CXCR5, PD-1 and BCL6-YFP. Naive CD4+ T cells were CD4+ CD44lo CD62Lhi cells from unimmunized mice.

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Expression Data from in vivo follicular helper CD4 T cells (TFH) versus non follicular helper CD4 T cells (non-TFH)

2009-07-28 | GSE16697 | GEO

Quantitative Analysis of Global Proteome and Lysine Acetylome for Human CD4+ T Follicular Helper Cells

Project description:Follicular helper T (Tfh) are a subset of CD4+ T helper cells that provide help to germinal center B cells and mediate the development of long-lived humoral immunity. Tfh cells dysregulation is associated with several major autoimmune diseases. Although recent studies showed Tfh cells differentiation is controlled by the transcription factor Bcl6, cytokines and cell-cell signals, limited information is available on the proteome and post-translational modifications (PTM) of proteins in human Tfh cells. In this study, using TMT labeling technique, antibody-based affinity enrichment and high-resolution LC-MS/MS analysis, we investigated quantitative proteome and acetylome in human naive CD4+ T cells and in vitro induced Tfh (iTfh) cells. In total, we identified 802 up-regulated proteins and 598 down-regulated proteins at the threshold of 1.5 folds in iTfh cells compared to naive CD4+ T cells. With the aid of intensive bioinformatics, biological process, cellular compartment, molecular function, KEGG pathway and protein-protein interaction of these differentially expressed proteins were revealed. Moreover, our acetylome data showed that 22 lysine acetylated proteins are up-regulated and 26 lysine acetylated proteins are down-regulated in iTfh cells compared to the naive CD4+ T cells, among which 11 differentially acetylated lysine residues in core histone were identified, indicating proteins acetylation and epigenetic mechanism are involved in regulating Tfh cells differentiation. These data provide a significant resource for studies of Tfh differentiation and normal and perturbed Tfh cell function.

2021-03-19 | PXD008563 | Pride

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Project description:Comparatative gene expression analysis for wild type and NFAT2-/- CD4 T cell subsets including follicular helper CD4+ T (TFH) cells, activated CD4+ T cells, and naive CD4+ T cells isolated from the spleen.

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Gene expression of primary human T Follicular Helper (TFH) cells and naive CD4-positive helper T cells from tonsils of healthy volunteers

Project description:In this experiment we generated Affymetrix gene expression data for T Follicular Helper (TFH) cells from tonsils of healthy volunteers (4 biological replicates) and naive CD4-positive helper T cells (2 biological replicates). TFH cells provide a model relevant to SLE as TFH operate upstream of the activation of pathogenic autoantibody-producing B cells during the disease. This experiment accompanies promoter capture-C and ATAC-seq experiments on the same cell types.

2019-04-01 | E-MTAB-6637 | biostudies-arrayexpress

RNA-sequencing of BCL6-sufficient and -insufficient OT-II TFH cells

Project description:We analyzed the transcriptome differences of BCL6-sufficient (CD4-Cre) and -insufficient (CD4-CrexBcl6fl/+) OT-II TFH cells. CD4-CrexBcl6fl/+ or control CD4-Cre OT-II T cells were transferred into CD45.1 Sap-/- mice. At day 3 post NP-OVA immunization, CXCR5hiPD-1hi TFH cells were sort-purified from the draining lymph node and prepared for RNA-seq analysis. Two technical repeats of ~200 cells per sample from each of 3 mice were included. BCL6-insufficient TFH cells differentially expressed many genes; among those downregulated were Stim1 and Plcg1, which code for STIM1 and PLCg1, respectively, that both impinge on calcium signaling downstream of TCR activation. Moreover, KEGG pathway analyses revealed that the calcium signaling-related pathway was generally upregulated in wildtype as compared to BCL6-insufficient TFH cells. These data support the notion that BCL6 control follicular T-B interactions by regulating multiple target genes involved in antigen-triggered calcium signaling in T cells.

2021-07-30 | GSE180924 | GEO

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