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Effect of High Cholesterol Diet (HCD) on B cell subsets in atheroprone mice with or without myb deficiency

ABSTRACT: Splenic B cell subsets (IgM+CD138+ ASC, FO B cells, MZ+B1 B cells) sorted from 8 month LDL-r KO mice with or without c-myb hypomorphism fed a 12 week HCD diet

ORGANISM(S): Mus musculus

PROVIDER: GSE129450 | GEO | 2019/04/09

REPOSITORIES: GEO

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Comparison of gene expression profiles between mouse follicular and marginal zone B-cells

Project description:Immature B cells in spleens of mouse and human differentiate into at least two subsets of mature B cells, the follicular (FO) B cells and the marginal zone (MZ) B cells, but functions, maturation and other properties of these cells are largely unknown. To solve these questions, in this study, we performed transcriptome analyses of FO and MZ B cells sorted from spleens of normal unimmunized mice using gene chips. By comparison of gene expression profiles between FO and MZ B cells, we identified 1226 genes that are expressed higher in FO B cells than in MZ B cells. On the other hand, 1734 genes were found to be expressed higher in MZ B cells than in FO B cells. We noticed that some of differentially expressed genes have been reportedly characterized in FO and MZ B cells, suggesting the reliability of the analysis. By using FACS analyses, we confirmed that CD36, CD68, and CD49e are expressed on MZ B-cells but not on FO B-cells. These results revealed new phenotypic and functional properties of FO and MZ B cells, and set a molecular basis for further studying differentiation and functions of these mature B cells. Keywords: Comparison of gene expression profiles between mouse follicular and marginal zone B-cells

2006-04-21 | GSE3599 | GEO

Transcription profiling of mouse follicular and marginal zone B-cells

Project description:Immature B cells in spleens of mouse and human differentiate into at least two subsets of mature B cells, the follicular (FO) B cells and the marginal zone (MZ) B cells, but functions, maturation and other properties of these cells are largely unknown. To solve these questions, in this study, we performed transcriptome analyses of FO and MZ B cells sorted from spleens of normal unimmunized mice using gene chips. By comparison of gene expression profiles between FO and MZ B cells, we identified 1226 genes that are expressed higher in FO B cells than in MZ B cells. On the other hand, 1734 genes were found to be expressed higher in MZ B cells than in FO B cells. We noticed that some of differentially expressed genes have been reportedly characterized in FO and MZ B cells, suggesting the reliability of the analysis. By using FACS analyses, we confirmed that CD36, CD68, and CD49e are expressed on MZ B-cells but not on FO B-cells. These results revealed new phenotypic and functional properties of FO and MZ B cells, and set a molecular basis for further studying differentiation and functions of these mature B cells. Experiment Overall Design: one follicular B cells replicate and one marginal zone B cells replicate were analyzed.

2008-06-12 | E-GEOD-3599 | biostudies-arrayexpress

Transcriptomic analyis of donor (B6:SJL.C20) and host follicular and marginal zone B cells after adoptive transfer of follicular B cells into into lymphopenic (Rag2-/-) or replete animals (C57BL6)

Project description:The generation of marginal zone (MZ) B cells is a Notch2 dependent process. We observed that transdifferentiation of follicular (FO) B cells to an MZ-like phenotype is dependent on a lymphopenic environment. We therefore adoptively transftered congenically marked SJL.C20 (CD45.1) mature naive FO B cells into either lymphopenic Rag2-/- or intact C57BL6 (CD45.2) recipient mice and recovered and double sorted intermediate phenotype (MZ-FO) donor B cells at day 4 post transfer from Rag2-/- recipients or both MZ and FO phenotype donor B cells at day 8 post transfer from both recipient groups and performed RNA sequencing.

2022-05-01 | GSE200219 | GEO

Gene expression profiling of spleen marginal zone B cells and spleen follicular B cells in IRF8 conditional KO mice

Project description:Conditional IRF8 KO mice (mice with a conditional allele of Irf8 crossed with CD19-Cre mice) showed increased numbers of both Gene expression data spleen marginal zone (MZ) and Gene expression data spleen follicular (FO) B cells compared to control mice. To evaluate gene expression patterns that distinguished FO or MZ B cells derived from conditional KO and control mice, we used Affymetrix GeneChip® Mouse gene 1.0 ST Array. FACS-sorted MZ and FO B cells from individual mouse were used for RNA extraction and Affyarray hybridization. There were six independent biological replications in each group - six cases of MZ B cells and FO cells in IRF8 conditional KO mice and six cases of MZ B cells and FO cells in control WT mice.

2010-12-20 | E-GEOD-24972 | biostudies-arrayexpress

Comparison of gene expression in NOD versus B6 splenic B cell subsets.

Project description:NOD mice are an inbred strain that display enhanced MZ B cell differentiation from an early age. Interestingly, several lines of evidence implicate MZ B cells in this strain as important contributors to the T cell mediated beta cell destruction associated with the development of type 1 diabetes (T1D). In order to develop a better understanding of the underlying causes for augmented MZ B cell production in NOD mice, we obtained the transcriptional profiles of FO and MZ subsets and TR precursors from NOD mice and compared them to those of the B6 strain. Red cell depleted splenocyte suspensions from from eight pooled NOD or B6 mice were stained with biotinylated anti-CD3Îµ (145-2C11) and CD11b (M1/70, BD Biosciences) antibodies followed by anti-biotin Microbeads (Miltenyi Biotec, Bergisch Gladbach, Germany). Separation of unlabeled B cells from samples was achieved to a >93% purity (as determined by flow cytometry) by negative depletion with an autoMACS cell sorter (Miltenyi Biotec). These cells were then stained with a cocktail of: non-stimulatory Affinipure goat anti-mouse-IgM-FITC Fab fragments from Jackson Immunoresearch; anti-CD21/35-PE (7G6), anti-CD24-biotin (30-F1; with streptavidin-PerCP secondary), B220-APC-Cy7 (RA36B2) from BD Biosciences; anti-CD93-APC (AA4.1), anti-CD23-PE-Cy7 (B3B4) from eBiosciences. T1, T2FO, T3, FO, T2MZ and MZ subsets were then separated with a FACSAria Cell Sorter (BD Biosciences). This process was repeated in an independent experiment in order to generate a duplicate sample of each B cell subset from NOD and B6 mice. Labelled cRNA from B cell samples were hybridized to Mouse Genome 430 2.0 Arrays.

2013-05-16 | E-GEOD-43396 | biostudies-arrayexpress

Effect of High Cholesterol Diet (HCD) on B cell subsets in atheroprone mice with or without myb deficiency

Project description:Effect of High Cholesterol Diet (HCD) on B cell subsets in atheroprone mice with or without myb deficiency

| PRJNA531403 | ENA

Gene expression profiling of spleen marginal zone B cells and spleen follicular B cells in IRF8 conditional KO mice

2010-12-20 | GSE24972 | GEO

RNA-seq analysis of follicular (FO) and marginal zone (MZ) B cells, isolated from TLR9WT or TLR9-/- BALB/c mice, stimulated with TLR7 agonists (CL097, Invivogen) or left unstimulated .

Project description:Purpose: The goal of this study was to assess if increased TLR7 signaling could be seen in TLR9-/- compared to TLR9WT FO and MZ B cells. Methods : FO and MZ B cells from TLR9WT or TLR9-/- BALB/c mice were sorted using FACSaria. A minimum of 100,000 cells per B cell subsets were sorted. Sorted B cell subsets were stimulated for 4 hours at 0.25M/ml with TLR7 agonist CL097 (Invivogen) at 5µg/ml or left unstimulated. RNA was isolated using the RNeasy Plus Micro Kit (QIAGEN). Samples were sequenced on an Illumina Next-seq 2000 using a P3 200 cycle flowcell (Illumina, Inc) with 2 x 101 bp paired-end reads (20 million reads per sample). Results: There were no significant DEG (FDR > 0.05) following TLR7 stimulation between TLR9WT and TLR9-/- FO or MZ B cells.

2022-08-03 | GSE202105 | GEO

miRNA expression profile of follicular (FO) and marginal zone (MZ) B cells

Project description:We have analyzed miRNA expression profile in FO and MZ B cells to identified differentially expressed miRNAs between this two subsets that could be potencially involved in the regulation of terminal B cell differentiation Spleens from CD19-Creki/+Dicerfl/+ and CD19-Creki/+Dicerfl/fl mice were collected and after erythrocyte lysis, splenocytes were stained with anti-B220, anti-CD21 and anti-CD23 antibodies. B220+CD21brightCD23+ (MZ) and B220+CD21+CD23bright (FO) B cell populations were sorted and total RNA of purified populations was extracted with TRIzol. miRNA microarray hybridations were performed on Mouse miRNA Microarray platform (Agilent Technologies).

2011-11-01 | E-GEOD-25139 | biostudies-arrayexpress

Comparison of gene expression in NOD versus B6 splenic B cell subsets.

2013-05-16 | GSE43396 | GEO

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