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B cell-intrinsic STAT3-mediated interferon suppression during murine gammaherpesvirus 68 infection revealed through in vivo competition model.[ccbr1030_Stat3_2021]

ABSTRACT: RNA-sequencing from sorted B cells of d16 infected mixed bone marrow chimeras. Non-GC, GC uninfected, and GC infected samples of STAT3 WT and STAT3 KO B cells from 3 independent mixed bone marrow chimera experiments.

ORGANISM(S): Mus musculus

PROVIDER: GSE227764 | GEO | 2023/12/01

REPOSITORIES: GEO

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B cell-intrinsic STAT3-mediated interferon suppression during murine gammaherpesvirus 68 infection revealed through in vivo competition model.[ccbr1030_Stat3_2019]

Project description:RNA-sequencing from sorted B cells of d16 infected mixed bone marrow chimeras. GC uninfected and GC infected samples of STAT3 WT and STAT3 KO B cells from 3 independent mixed bone marrow chimera experiments.

2023-12-01 | GSE227736 | GEO

B cell-intrinsic STAT6 controls the germinal center response in type 2 immunity

Project description:By investigating the germinal center (GC) formation in STAT6ko/WT bone marrow-mixed chimera we found that GC formation in type 2 immune responses is dependent on B cell intrinsic expression of IL-4/IL-13-induced genes. We therefore used microarrays to find Stat6 dependent genes that are important for germinal center formation and/or organization after infection with the nematode Nippostrongylus brasiliensis (N. brasiliensis). Bone marrow of STAT6ko (CD45.2+) and WT (CD45.1+) were mixed and injected in lethaly irradiated WT (CD45.1+) mice. After 8 weeks, 5 Bone marrow-mixed chimera were infected with N. brasiliensis and draining lymph nodes were collected at day 14 after the infection and pooled. RNA was isolated from sort-purified CD45.1+ or CD45.2+ GC B cells (B220+CD38loGL-7hi).

2014-05-26 | E-GEOD-47679 | biostudies-arrayexpress

B cell-intrinsic STAT6 controls the germinal center response in type 2 immunity

2014-05-26 | GSE47679 | GEO

Langerhans cell RNAseq

Project description:CD45.1 bone marrow cells were transplanted into irradiated CD45.2 host to generate bone marrow chimera mice. Skin langerhans cells and other dendritic cell subsets were sorted from chimera mice and sequenced.

2021-03-22 | GSE139877 | GEO

Genome-wide expression study of the early/innate responses of murine B and T cells to MCMV infection

Project description:Murine Cytomegalovirus (MCMV) infection leads to early activation of various immune cells, including B and T lymphocytes, before the actual initiation of antigen-specific adaptive immunity. This activation is partly driven by innate cytokines, including type I interferon (IFN), which are induced early after infection. The objective of this study was to address the role of type I IFN in shaping early/innate B and T cell responses to a primary acute viral infection. In order to decipher the specific impact of IFN-I on cell subsets, we performed a genome-wide expression analysis on WT splenic B and CD8 T lymphocytes isolated from C57BL/6 [CD45.1 WT / CD45.2 IFNAR-KO] mixed bone marrow chimera mice. This study complements series GSE39555, which focused on early responses of NK cells and of the two subsets of conventional dendritic cells. This study includes data from B and CD8 T lymphocytes purified by flow cytometry sorting from the spleen of bone marrow chimera (BMC) mice, under steady-state or MCMV conditions. Two independent replicates were made for each cell type, from two independent pools of spleens from uninfected or d1.5 MCMV-infected BMC 5-8 mice, and were hybridized on 3 separate batches of GeneChips.

2013-04-03 | E-GEOD-45365 | biostudies-arrayexpress

Latent gammaherpesvirus 68 infection induces distinct transcriptional changes in different organs

2013-10-18 | GSE51365 | GEO

Latent gammaherpesvirus 68 infection induces distinct transcriptional changes in different organs

Project description:Previous studies identified a role for latent herpesvirus infection in cross-protection to infection and exacerbation of chronic inflammatory diseases. Here, we compared the gene expression signature from livers, spleens and brains of mice infected with wild-type gammaherpesvirus 68 (MHV68), a mutant virus defective in the establishment of latency (ORF73.stop) or mockulum. We identified over 600 genes differentially expressed in organs of mice latently infected with MHV68 and found distinct sets of genes linked to different pathways were altered in spleen compared to liver. Several of the most differentially expressed latency-specific genes (e.g. IFNγ, Cxcl9, Ccl5) are associated with known latency-specific phenotypes. RNA was extracted from livers, spleens and brains of 7-9 week old male C57Bl/6 mice infected with gammaherpesvirus 68 (MHV68), a virus defective in establishment of latency (ORF73.stop) or mockulum. RNA from 3-4 mice per treatment was pooled and analyzed by M430 2.0 Affymetrix Gene Chip. Three biologic replicates were analyzed for all conditions, except mock livers, for which four biologic replicates were analyzed.

2013-10-18 | E-GEOD-51365 | biostudies-arrayexpress

Tiled Array Experiment of Murine Gammaherpesvirus 68 Transcripts In Newly Infected Fibroblasts

Project description:Murine NIH3T3 fibroblasts were infected with MHV68 and RNA expression was examined over an 18 hour timecourse experiment.

2012-02-16 | GSE35863 | GEO

Identification and analysis of expression of novel microRNAs of murine gammaherpesvirus 68

Project description:Murine gammaherpesvirus 68 (MHV-68) is closely related to Epstein-Barr virus (EBV) and KaposiM-bM-^@M-^Ys sarcoma-associated herpesvirus (KSHV) and provides a small animal model to study the pathogenesis of gammaherpesvirus (M-NM-3HV) infections. To completely explore the potential of the MHV-68 system for the investigation of gHV miRNAs, it would be desirable to know the number and expression patterns of all miRNAs encoded by MHV-68. By using small RNA deep sequencing, we systematically investigated the MHV-68 miRNA expression profiles in both lytically and persistently infected cells. In addition to the known nine MHV-68 miRNAs, we identified six novel MHV-68 miRNA genes and analyzed the expression levels of all MHV-68 miRNAs. Furthermore, we also characterized the cellular miRNA expression signatures in MHV-68 infected versus non-infected NIH3T3 fibroblasts and in TPA-treated versus non-treated S11 cells. We found that mmu-mir-15b and mmu-mir-16 are highly upregulated upon MHV-68 infection of NIH3T3 cells, indicating a potential role of cellular miRNAs during MHV-68 infection. Our data will aid to fully explore the functions of gHV miRNAs. A mouse fibroblast cell line infected with/without MHV-68 and a MHV-68 infected mouse B lymphoma cell line treated with/without TPA (4 samples in total) were examined.

2010-07-15 | E-GEOD-22938 | biostudies-arrayexpress

Genome-wide expression study of the responses of murine NK cells and dendritic cell subsets to MCMV infection

Project description:Murine Cytomegalovirus (MCMV) infection leads to the activation of various immune cells, including dendritic cells (DCs) and Natural Killer (NK) cells. This activation is partly driven by innate cytokines including IFN-I, which are induced early after infection. The objective was to address the role of different innate cytokines in shaping DC subsets and NK cell responses, in particular the role of cell intrinsic responses to IFN-I. In order to decipher the specific impact of cell-intrinsic IFN-I on cell subsets, we performed a genome-wide expression analysis on CD45.1 WT and CD45.2 IFNAR-/- splenic conventional DC (cDC) subsets and NK cells isolated from C57BL/6 [CD45.1 WT / CD45.2 IFNAR-KO] mixed bone marow chimera mice. This study includes data from cDC subsets (CD8a and CD11b) and NK cells purified by flow cytometry sorting from the spleen of bone marrow chimera (BMC) mice, under steady-state or MCMV condition. Two independent replicates were made for each cell type, from two independent pools of spleens from uninfected or d1.5 MCMV-infected BMC 5-8 mice, and were hybridized on 3 separate batches of gene chips.

2012-10-17 | E-GEOD-39555 | biostudies-arrayexpress

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