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Murine bone marrow immature B cells: autoreactive versus non-autoreactive

ABSTRACT: Transcriptional profiling of mouse bone marrow B220+CD23–CD43–IgD– autoreactive immature B cells from 3-83Igi,Rag1-/-,H-2b mice relative to non-autoreactive immature B cells from 3-83Igi,H-2d mice. Goal was to determine genes that potentially mediate negative and positive selection of immature B cells.

ORGANISM(S): Mus musculus

PROVIDER: GSE22802 | GEO | 2010/08/31

SECONDARY ACCESSION(S): PRJNA127917

REPOSITORIES: GEO

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Murine bone marrow immature B cells: autoreactive versus non-autoreactive

Project description:Transcriptional profiling of mouse bone marrow B220+CD23–CD43–IgD– autoreactive immature B cells from 3-83Igi,Rag1-/-,H-2b mice relative to non-autoreactive immature B cells from 3-83Igi,H-2d mice. Goal was to determine genes that potentially mediate negative and positive selection of immature B cells. Biological replicates: 2 autoreactive replicate against, 2 non-autoreactive replicates

2010-08-31 | E-GEOD-22802 | biostudies-arrayexpress

BTG1 and BTG2 Regulate B Linege Commitment by Modulation of EBF1 Activity

Project description:The human BTG1 and BTG2 genes are targeted by genetic alterations in hematological malignancies. In this study we examined the unique and overlapping functions of Btg1 and Btg2 in mouse B cell development. Mice deficient for Btg1 and Btg2 displayed the strongest phenotype with a decrease in B cell numbers in bone marrow due to impaired B cell commitment and immature B cell differentiation. To determine the underlying mechanism, microarray expression analyis was performed on early (B220+ CD43+) and late (B220+ CD43-) B cells of WT and Btg1;Btg2 dKO mice. Total RNA obtained from sorted B220+ CD43+ ( Hardy fractions ABC) and B220+ CD43- (Hardy fractions DEF) BM cells of WT and Btg1-/-;Btg2-/- mice. In total 4 samples were analyzed and no replicates were included.

2014-03-19 | E-GEOD-55997 | biostudies-arrayexpress

BCR repertoire analyis of class-switched and non-switched thymic B cells

Project description:We report that a large percentage of thymic B cells undergo class switching intrathymically. Thymic B cell class switching requires cognate T-B interaction. To determine whether B cell specificity was also important for thymic B cell class-switching, we sorted class-switched thymic B cells (CD19+B220+IgM-IgD-), unswitched B cells (CD19+B220+IgM+IgD+) and bulk splenic B cells in 3H9 heavy chain-fixed mice and performed high throughput sequencing analysis of the light chain of these populations. Results of this analysis indicated that class-switched thymic B cells have a distinct repertoire compared with unswitched thymic B cells and splenic B cells. Further reactivity tests indicated that a large part of BCRs enriched in class-switched thymic B cells are autoreactive. These data suggest that autoreactive B cells are selected into class-switched population and expanded in the thymus.

2016-08-10 | GSE85366 | GEO

BTG1 and BTG2 Regulate B Linege Commitment by Modulation of EBF1 Activity

2014-03-19 | GSE55997 | GEO

BCR repertoire analyis of class-switched and non-switched thymic B cells

2016-08-10 | E-GEOD-85366 | biostudies-arrayexpress

LSD1 regulates the marginal zone B cell transcriptome

Project description:To understand the role of LSD1 in splenic B cell development, spleens from mice with B cell conditional deletion of LSD1 were harvested, B220+CD93–GL7–CD23–CD21hiCD1d+ marginal zone B cells and B220+CD93–GL7–CD23+CD21midCD1d– follicular B cells were FACS-sorted, and RNA-seq was performed to identify LSD1-target regulated genes.

2019-08-06 | GSE132197 | GEO

LSD1 regulates splenic B cell chromatin accessibility

Project description:To understand the role of LSD1 in splenic B cell development, spleens from mice with B cell conditional deletion of LSD1 were harvested, B220+CD93–GL7–CD23–CD21hiCD1d+ marginal zone B cells and B220+CD93–GL7–CD23+CD21midCD1d– follicular B cells were FACS-sorted, and ATAC-seq was performed to identify LSD1-target regulated chromatin.

2019-08-06 | GSE132196 | GEO

Transcriptional profile of B cell susbets

Project description:Inflammatory (B220+ CD19+ CD44+ CD11c+ Tbet-AmCyanhi), GC (B220+ IgDlo CD95+ GL-7+), and naive follicular B cells (B220+ CD19+ IgDhi CD23+) were sorted from male Tbet-AmCyan reporter mice at day 12 post infection with LCMV-Armstrong. RNA-seq was employed to compare the transcriptomes of these three B cell populations.

2022-01-19 | GSE150124 | GEO

Transcriptome Analysis of IL-33-Deficient Early Developing B Cells

Project description:We identified that IL-33 is expressed in pro-B (B220+ IgM- CD19+ CD43+) and large pre-B cells (B220+ IgM- CD19+ CD43- FSC-Ahi SSC-Ahi) in mice. We assessed for IL-33-dependent gene expression differences in these B cell stages by performing bulk RNA-sequencing of FACS-purified pro-B and large pre-B cells from WT and IL-33-deficient 8 week old adult, naive female mice.

2019-07-04 | GSE132123 | GEO

Role of IgD in B cell anergy

Project description:To define the global landscape of mRNA changes in anergic B cells, and how this affected by surface IgD, mature CD93-CD23+ HEL-binding B cells were sorted from spleens of independent transgenic mice of the following genotypes: MD4, naïve B cells coexpressing IgM and IgD; MD4:ML5, anergic B cells coexpressing IgM and IgD; MM4, naive B cells expressing only IgM; MM4:ML5, anergic B cells expressing only IgM; DD6, naive B cells expressing only IgD; DD6:ML5, anergic B cells expressing only IgD.

2016-09-30 | GSE82091 | GEO

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