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ScATAC-seq of antigen-specific CD8+ T cells from different time-course of LCMV-Armstrong infected mice

ABSTRACT: scATAC-seq from LCMV-specific P14 CD8+ T cells after LCMV-Armstrong at day 0 (Naïve), day 2 (D2), day 8 (D8-1 and D8-2), and day 180 (D180) post infection

ORGANISM(S): Mus musculus

PROVIDER: GSE226067 | GEO | 2025/02/17

REPOSITORIES: GEO

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LCMV-Armstrong infection

Project description:LCMV-Armstrong infection

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RNA sequencing analysis of transferred C1qbp sufficient and deficient CD8+ T cells sorted from donor mice post infection with LCMV Armstrong

Project description:Tthis study is aimed to explore how C1qbp deficiency affects the mRNA expressing profiling during the differentiation stage of CD8+ T cells.Naïve WT and C1qbp KO P14 cells and transferred WT and C1qbp KO P14 cells sorted from the spleen of donor mice on day 3, 5, 7 post-infection with LCMV Armstrong were collected and treated for RNA-seq. RNA-Seq analysis revealed transcriptomic changes between WT and C1qbp KO CD8+ T cells. Naïve WT and C1qbp KO CD8+ T cells showed similar gene expressing profiling. On day 3, 5, 7 post-infection with LCMV Armstrong, WT and C1qbp KO CD8+ T cells showed 341, 1,164 and 437 differentially expressed genes respectively.

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mRRBS analysis of C1qbp sufficient and deficient CD8+ T cells sorted from mice post infection with LCMV Armstrong

Project description:This study is aimed to explore whether C1qbp deficiency affects the DNA methylation status during the differentiation stage of CD8+ T cells. Transferred WT and C1qbp KO P14 cells sorted from the spleen of donor mice on day 5 post-infection with LCMV Armstrong were collected. Genomic DNA was isolated for mRRBS. mRRBS analysis provided evidence of DNA methylation changes between WT and C1qbp KO CD8+ T cells. Our study have shown that, on day 5 post-infection with LCMV Armstrong, C1qbp KO CD8+ T cells have increased level of Global DNA methylation. Moreover, C1qbp KO CD8+ T cells show hegher DNA methylation at some effector cells-signature genes.

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ATAC-seq analysis of C1qbp sufficient and deficient CD8+ T cells sorted from mice post infection with LCMV Armstrong

Project description:This study is aimed to explore whether C1qbp deficiency affects the epigenetic modification during the differentiation stage of CD8+ T cells. Transferred WT and C1qbp KO P14 cells sorted from the spleen of donor mice on day 5 post-infection with LCMV Armstrong were collected and treated for ATAC-seq. ATAC-Seq analysis provided sufficient but not necessary evidence of epigenetic changes between WT and C1qbp KO CD8+ T cells. Our study have shown that, on day 5 post-infection with LCMV Armstrong, even WT and C1qbp KO CD8+ T cells have different mRNA expressing profiling, the ATAC-seq shows slight changes in chromatin accessibility of indicated genes.

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Longitudinal single cell transcriptional and epigenetic mapping of effector, memory, and exhausted CD8 T cells reveals shared biological circuits across distinct cell fates [scATAC-Seq 1]

Project description:scATAC-seq from LCMV-specific P14 CD8 T cells after LCMV-Armstrong at day 60 and day 200 post infection

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Gene expression profile analysis of mouse whole spleen following infection by lymphocytic choriomeningitis virus (LCMV), comparing LCMV-Armstrong and LCMV-Clone 13 expression patterns at 0, 5, 9, and 30 days

Project description:To identify mechanisms behind immunosuppression during virus infections, we infected mice with LCMV-Armstrong and LCMV-Clone 13 expression patterns. LCMV-Armstrong induces a T-cell reaction that resolves infection within 8-10 days, while LCMV-Clone13 generates a persisten infection through immunosuppression. We used microarray to uncover splenic gene expression patterns specific to each LCMV infection at 5, 9, and 30 days C57BL6 mice, 6-10 weeks old, were infected with LCMV-Armstrong and LCMV-Clone 13 or left uninfected (naïve). At days 5, 9, and 30 whole spleens were harvested for RNA extraction and hybridization on Affymetric microarray.

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Transcription profiling of mouse IL-7Rhi/lo effector CD8 T cells on day 6/7 after LCMV armstrong infection

Project description:At the peak of the CD8 T cell response to acture viral and bacterial infections, expression of the Interleukin-7 Receptor (IL-7R) marks Memory Precursor Effector CD8 T Cells (MPECs) from other Short-Lived Effector CD8 T cells (SLECs), which are IL-7Rlo. This study was designed to determine the gene expression differences between these two subsets of effector CD8 T cells. Experiment Overall Design: This study compared IL-7Rhi and IL-7Rlo LCMV-specific P14 Transgenic CD8 T cells, sorted from LCMV armstrong infected recipient mice 6/7 days after infection. Data includes 3 independent replicates for the IL-7Rhi and IL-7Rlo groups.

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Longitudinal single cell transcriptional and epigenetic mapping of effector, memory, and exhausted CD8 T cells reveals shared biological circuits across distinct cell fates [scATAC-Seq 2]

Project description:Longitudinal scATAC-seq from LCMV-specific P14 CD8 T cells in LCMV-Armstrong and LCMV-Clone 13 infection

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miRNA signatures of antigen specific CD8+ T cells at different stages of immune response to LCMV infection

Project description:miRNAs play an important role in regulating CD8+ T cell response. We used the microarray approach to profile the miRNA signatures of naïve, day 5 effector, day 8 effector, and memory CD8+ T cells. We identified a miRNA signature associated with rapidly proliferating effector CD8+ T cells. CD8+ T cells from P14 TCR transgenic mice were transferred to C57BL6 recipients which were subsequently infected with LCMV Armstrong. Donor P14 CD8+ T cells were sorted on day 5, day 8, or >day 60 post-infection. Naïve P14 CD8+ T cells were sorted directly from naive P14 splenocytes. The total RNA including miRNAs was extracted from sorted samples, labeled, and hybridized to Agilent Mouse miRNA microarray.

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