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Gut germinal center regeneration and enhanced anti-viral immunity by mesenchymal stem/stromal (MSC) cells in SIV infection

ABSTRACT: Gut germinal center regeneration and enhanced anti-viral immunity by mesenchymal stem/stromal (MSC) cells in SIV infection

PROVIDER: PRJNA720384 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR14163554.fastq.gz	Fastqsanger.gz
	SRR14163555.fastq.gz	Fastqsanger.gz
	SRR14163556.fastq.gz	Fastqsanger.gz
	SRR14163557.fastq.gz	Fastqsanger.gz
	SRR14163558.fastq.gz	Fastqsanger.gz

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Gut germinal center regeneration and enhanced anti-viral immunity by mesenchymal stem/stromal (MSC) cells in SIV infection

Project description:We performed RNAseq on whole ileum extracts to investigate the underlying gene expression changes associated with MSC administration during chronic SIV infection.

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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

ChIPseq analyses in germinal center B cells

Project description:Germinal center B cells were isolated from human tonsil tissue and crosslinked. ChIP was performed on two distinct pools of germinal center cells, each obtained from 3-5 donors. The experiment includes two biological replicates (germinal center cell pools from different donors). ChIP was performed on both pools and subject to library preparation and sequencing. Input DNA was sequenced for both pools.

2015-12-04 | E-GEOD-68349 | biostudies-arrayexpress

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Deletion of miR-15a/16-1 in murine germinal center B-cells.

Project description:Given the tumor suppressing function of miR-15a/16-1 cluster, we studied its role in the germinal center B-cells that give rise to most lymphoid malignancies.

2021-09-09 | PXD021323 | Pride

The influence of TFEB on gene expression in primary murine germinal center and non-germinal center B cells

Project description:To investigate TFEB-dependent mRNA expression in murine B cells, FACS-sorted germinal center and non-germinal center B lymphocytes of B-cell-specific conditional TFEB KO mice and control littermates were subjected to RNA sequencing analysis

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Gene Expression Profiles of Germinal Center B Cells

Project description:We report the gene expression profiles of germinal center B cells obtained by FACS analyses of normal human lymph nodes. We used FACS analyses to isolate germinal center B cells from 3 different individuals with one individual sampled twice. The overall goal was simply to identify genes that are highly expressed or silent in these purified cell populations.

2009-07-31 | E-GEOD-16712 | biostudies-arrayexpress

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.

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Dynamic Regulation of Tfh Clonal Selection During the Germinal Center Reaction

Project description:The Germinal center is a dynamic microenvironment wherein B cells expressing high affinity antibody variants produced by hypermutation are selected for clonal expansion by limiting numbers of T follicular helper cells. Although a great deal is known about the mechanisms that control B cell selection in the germinal center, far less is understood about the clonal behavior of the T follicular helper cells that regulate this process. Here we report on the dynamic behavior of clones of T follicular helper cells during the germinal center reaction. We find that like germinal center B cells, T follicular helper cells undergo antigen dependent selection during the germinal center reaction resulting in differential proliferative expansion and contraction. Increasing the amount of antigen presented in the germinal center leads to increased T follicular cell division. Competition between T follicular helper cell clones is mediated by T cell receptor affinity for peptide-MHC ligand. Higher affinity T cells expanding preferentially in the germinal center show increased expression of genes downstream of the T cell receptor, genes required for metabolic reprogramming, cell division and cytokine production. These dynamic changes lead to dramatic remodeling of the functional T follicular cell repertoire during the germinal center reaction.

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Project description:Gene expressions of murine germinal center and naive B cells on Affymetrix platform

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