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Conditional deletion of Bcl6 in naive B cells

ABSTRACT: Bcl6 germline deletion causes a prominent inflammatory disease, owing to over-expression of Th2 cytokines, and affects the properties of B cells prior to immunization. Therefore we established the B cell-specific Bcl6 deletion mice and analyze the gene expression of naive B cells under physiological conditions.

ORGANISM(S): Mus musculus

PROVIDER: GSE28737 | GEO | 2012/09/21

SECONDARY ACCESSION(S): PRJNA140553

REPOSITORIES: GEO

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Conditional deletion of Bcl6 in naive B cells

Project description:Bcl6 germline deletion causes a prominent inflammatory disease, owing to over-expression of Th2 cytokines, and affects the properties of B cells prior to immunization. Therefore we established the B cell-specific Bcl6 deletion mice and analyze the gene expression of naive B cells under physiological conditions. Total RNAs of splenic follicular and marginal zone B cells from Bcl6(flox/flox), Bcl6(+/flox) or Bcl6(+/+) mice heterozygous for mb1-cre were extracted and analysed on Affymetrix microarrays.

2012-09-21 | E-GEOD-28737 | biostudies-arrayexpress

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.

2011-06-02 | E-GEOD-24574 | biostudies-arrayexpress

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 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-67622 | biostudies-arrayexpress

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

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

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

2015-04-08 | GSE67623 | GEO

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

2015-04-08 | GSE67622 | GEO

Expression data from primary bone marrow-derived wild-type C57BL/6 and bcl6 knockout macrophages

Project description:We used microarrays to compare gene expression changes in macrophages caused by deletion of bcl6. Keywords: BCL6 deletion compared to wild-type Primary bone marrow-derived macrophages were isolated from C57BL/6 mice transplanted and reconstituted with wild type or bcl6 knockout bone marrow.

2012-06-07 | E-GEOD-16527 | biostudies-arrayexpress

Puniya2021 - Naive CD4+ T cell metabolic model

Project description:CD4+ T cells are critical components in the human immune system. They produce cytokines to fight against pathogens and abnormal cells and stimulate other cells, such as B cells, macrophages, and neutrophils, to generate an immune response. Naive CD4+ T cells are precursor cells that can differentiate into T helper - 1, - 2, - 17 (Th1, Th2, Th17) and regulatory T cells (Tregs) subtypes based on the type of pathogens or disease. The naive CD4+ T cell model consists of 5179 reactions, 3153 metabolites, and 1055 genes. Together with Th1, Th2, and Th17 models, the naive CD4+ T cell model helped identify drug targets and repurposable drugs against autoimmune diseases.

2023-11-27 | MODEL1909260003 | BioModels

Small molecule-induced polymerization triggers degradation of BCL6

Project description:Most small-molecule protein degraders act as interface stabilizers ‘molecular glues’ between E3 ubiquitin ligases and target proteins to induce ternary complex formation and ubiquitin-dependent target protein degradation. Here we report polymerization as a novel mechanism for small molecule-induced degradation. Using functional screens in combination with molecular and biochemical assays, we found that BI-3802, which binds to the BTB domain of the oncogenic transcription factor BCL6, induces polymerization of BCL6 into regular helical structures in vitro and foci in vivo. Polymerization precedes degradation by the SIAH1 E3 ubiquitin ligase. Hereby, a VxP amino acid motif on BCL6, distal from the drug-binding BTB domain, is required for SIAH1 binding, ubiquitination and BI-3802-induced degradation. Our findings propose that small molecule-induced polymerization is not only a new modality for targeted protein degradation, but also provides synthetic biology with a tool for tunable protein polymerization and opens new avenues for future drug design.

2020-11-20 | PXD016185 | Pride

Expression data from primary bone marrow-derived wild-type C57BL/6 and bcl6 knockout macrophages

Project description:We used microarrays to compare gene expression changes in macrophages caused by deletion of bcl6. Keywords: BCL6 deletion compared to wild-type

2012-06-08 | GSE16527 | GEO

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