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

ABSTRACT: 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.

ORGANISM(S): Mus musculus

PROVIDER: GSE43396 | GEO | 2013/05/16

SECONDARY ACCESSION(S): PRJNA185818

REPOSITORIES: GEO

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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

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 profiles of CD4+CD25+ Tregs from NOD and B6.H2g7 mice

2008-12-19 | GSE6813 | GEO

Gene expression profiles of CD4+CD25+ Tregs from NOD and B6.H2g7 mice

Project description:The NOD (nonobese diabetic) mouse strain develops a characteristic autoimmune syndrome that closely resembles human type I diabetes. It has been suggested that NOD mice exhibit both numerical deficiency in CD4+CD25+ regulatory T cells (Treg) and reduced suppressive activity. We compared sorted CD4+CD25+ Tregs from the spleens of 6-7 week-old female NOD and nondiabetic B6.H2g7 mice. Tregs were 93±2% and 95±1% Foxp3+ in NOD and B6.H2g7 cells, respectively, on post-sort reanalysis. "Conventional" CD4+CD25- T cells (Tconv) are included as reference populations. Surprisingly, Treg "signature" is similar between the two strains, with only a few probesets that subtly deviate. Keywords: Cell population comparison from two mouse strains. For each strain (NOD and B6.g7), we analyzed two populations: CD4+CD25+ Treg and CD4+CD25- Tconv cells, for a total of four distinct populations. RNA from three mice were pooled for each replicate; there are three independent replicates for each population. After RMA normalization, intensity values were averaged across the three replicates and analyzed. We calculated the ratio of Treg/Tconv intensity values for each strain and compared the results.

2008-12-19 | E-GEOD-6813 | biostudies-arrayexpress

Expression data from NOD-scid vs B6-scid pancreas, submandibular glands, & lacrimal glands

Project description:Prior to the onset of autoimmune destruction, type 1 diabetic patients and an animal model thereof, the nonobese diabetic (NOD) mouse, show morphological and functional abnormalities in target organs, which may act as inciting events for leukocyte infiltration. To better understand these abnormalities, but without the complications associated with inflammatory infiltrates, we examined genes expressed in autoimmune target tissues (pancreas, submandibular glands, and lacrimal glands) of NOD/scid mice and of autoimmune-resistant C57BL6/scid mice. Keywords: tissue expression, disease prone versus resistant strain comparison

2006-07-07 | GSE4953 | 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 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.

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

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Comparison of gene expression between islets from NOD-Rag and NOD-Idd22 mice

Project description:NOD-Idd22 mice are congenic mice of NOD background with a piece of chromosome 8 being substituted with ALR genetic material. These mice are resistant to spontaneous autoimmune diabetes as well as chemically induced in vivo islet beta cell destructions. The goal of this project is to come pare gene expressions in islets between NOD-Idd22 and NOD mice. NOD-Rag1 was used instead of NOD to avoid lymphocyte infiltrtation in isltes.

2022-06-27 | GSE206705 | GEO

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