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Expression data from OT-I CD8 T cells activated with DC in the presence or absence of CpG-Induced Inflammation

ABSTRACT: Inflammatory cytokines promote the accumulation of activated CD8 T cells. Here, we transfer 600 OT-I CD8 T cells iv into naïve C57BL/6 hosts. One day later, 500,000 LPS-matured and OVA257 peptide-coated DC were injected iv into OT-I CD8 T cell seeded hosts with (DC+CpG) or without (DC). Other seeded mice were infected with 2x10^4 virulent Listeria monocytogenes (vLM-OVA) iv. OT-I CD8 T cells were harvested from the spleen, flow sort purified, then RNA was extracted using RNeasy (Qiagen) kit. Naive OT-I CD8 T cells (Naive) were purified from the spleens of OT-I transgenic mice. Each group had three independent biological replicates.Transcriptomes were compared using DAVID analysis (with genes scoring FDR<0.01) and GSEA analysis.

ORGANISM(S): Mus musculus

PROVIDER: GSE53200 | GEO | 2013/12/10

SECONDARY ACCESSION(S): PRJNA231091

REPOSITORIES: GEO

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Expression data from OT-I CD8 T cells activated with DC in the presence or absence of CpG-Induced Inflammation

Project description:Inflammatory cytokines promote the accumulation of activated CD8 T cells. Here, we transfer 600 OT-I CD8 T cells iv into naÃ¯ve C57BL/6 hosts. One day later, 500,000 LPS-matured and OVA257 peptide-coated DC were injected iv into OT-I CD8 T cell seeded hosts with (DC+CpG) or without (DC). Other seeded mice were infected with 2x10^4 virulent Listeria monocytogenes (vLM-OVA) iv. OT-I CD8 T cells were harvested from the spleen, flow sort purified, then RNA was extracted using RNeasy (Qiagen) kit. Naive OT-I CD8 T cells (Naive) were purified from the spleens of OT-I transgenic mice. Each group had three independent biological replicates.Transcriptomes were compared using DAVID analysis (with genes scoring FDR<0.01) and GSEA analysis. 3 biological replicates per group. Groups included NaÃ¯ve OT-I CD8 T cells, DC+CpG OT-I CD8 T cells, DC OT-I CD8 T cells, and vLM-OVA OT-I CD8 T cells. Most comparisons used NaÃ¯ve OT-I CD8 T cells as a baseline comparison

2013-12-10 | E-GEOD-53200 | biostudies-arrayexpress

Whole-genome microarray analysis of primary, secondary, tertiary and quaternary memory CD8 T cells

Project description:The transcriptome of naive OT-I T cells was compared to memory CD8 T cells after 1, 2, 3, or 4 infection with ovalbumin expressing Listeria monocytogenes (LM-OVA). Naive Thy1.1 OT-I T cells were adoptively transferred into Thy1.2 naive hosts prior to infection with LM-OVA. The resulting memory CD8 T cell population was again adoptively transferred into naive hosts and the recipient mice were again infected with LM-OVA. The adoptive transfer was repeated up to four times to generate memory CD8 T cells with up to four consecutive antigen stimulations. Three individual mice were analyzed for each group. For quaternary memory CD8 T cells, spleens from two to three mice were pooled for each sample. Naive OT-I T cells served as control samples. http://dx.doi.org/10.1016/j.immuni.2010.06.014

2010-07-09 | E-GEOD-21360 | biostudies-arrayexpress

Microarray analysis of WT and Tfap4-KO CD8 T cells during early activation

Project description:Gene expression of Tfap4â/â and WT CD8+ T cells were compared after activation with anti-CD3 and anti-CD28 antibodies in vitro or with Listeria monocytogenes infection in vivo For in vitro activation, naive CD8+ T cells were purified from WT and Tfap4â/â mice and activated with anti-CD3 and anti-CD28 antibodies for 72 hours. For in vivo activation, naive CD8+ T cells from Tfap4â/â OT-I or control WT OT-I TCR transgenice mice were adoptively transferred to congenic host mice that were subsequently infected with Listeria mnocytogenes expression ovalbumin. Activated OT-I cells were harvested 48 hours after infection.

2014-07-13 | E-GEOD-58078 | biostudies-arrayexpress

Peripherally-induced brain tissue resident memory CD8 T cells [RNA-seq]

Project description:OT-I CD8 T cell transcriptome of cells isolated from Spleen, IV+ brain, and IV- brain of DCLM immunized mice

2020-05-08 | GSE146077 | GEO

CD8 T cell phenotype following antigen education by lymphatic endothelial cells versus mature dendritic cells

Project description:The goal of this study is to analyze differences in gene expression of CD8 T cells that are antigen-educated by lymphatic stromal cells versus traditional antigen-presenting cells. Naive antigen-specific CD8 T cells reactive against the model antigen ovalbumin (OVA) were isolated from spleens of OT-I transgenic mice. They were then co-cultured with OVA-pulsed mature dendritic cells (mDCs) versus lymphatic endothelial cells (LECs) for up to 3d. Each day, OT-I cells were isolated and prepared for RNAseq analysis to determine differences in gene expression as a function of antigen-presenting cell. Naive, LEC-educated, or DC-educated OT-I transcriptomes are provided here. Grant ID - AdG-323053 Agency - European Research Council (ERC) Grant Title - LYMPHIMMUNE - Flow in the tumor microenvironment: Linking mechanobiology with immunology Grant ID - R01CA219304 Agency - US National Institutes of Health (NIH) Grant Title - Paradoxical roles of tumor lymphangiogenesis on tumor immunity and implications for immunotherapy

2017-12-31 | GSE88830 | GEO

Redirection of therapeutic T cells to a bone marrow niche improves their persistence and anti-tumor functions: transcription profiling by array of resting memory OT-I T_CXCR4) or OT-I T_Control cells isolated from the spleen 90 days following DC vaccination.

Project description:This study reports the improvement in function and antitumor efficacy of CXCR4 overexpression in therapeutic CD8+ T cells. Polyclonal CD8+ T cells from OT-I C57BL/6 (B6) mice were transduced with a modified pMP71 retroviral vector containing murine Cxcr4 and Gfp reporter sequences (T_CXCR4) or with a control vector containing Gfp alone (T_Control), and co-transferred into to B6 mice that were then vaccinated with peptide-pulsed DC. 90 days following DC vaccination, lymphocytes were isolated from the spleen and resting memory OT-I T_CXCR4 and OT-I T_Control cells were FACS sorted to perform gene expression profiling.

2018-03-28 | E-MTAB-6091 | biostudies-arrayexpress

ATAC-seq of naive and three effector OT-I cell subsets from mice infected with Listeria monocytogenes

Project description:Purpose: ATAC-seq analysis of naive and three effector OT-I cell subsets (from a Klrg1-Cre fate reporter mouse model) isolated from the spleen of C57BL/6 mice 0 and 8 days post infection with OVA-expressing Listeria monocytogenes. The hypothesis tested in the present study was that chromatin remodeling in KLRG1+ effector CD8 T lymphocytes promotes the differentiation into KLRG1- memory CD8 T lymphocytes that provide long-lasting immunity against infectious diseases and malignancies. Methods: DNA was obtained from 50,000 FACS-purified OT-I cell subsets isolated from spleen 0 and 8 days post infection with ovalbumin-expressing Listeria monocytogenes (LM-OVA) (experiment 3). Results: Using ATAC-seq technology, we analyzed the chromatin accessibility landscape of naive and three effector OT-I cells (KLRG1+ Reporter+, KLRG1- Reporter+ (exKLRG1) and KLRG1- Reporter-). Conclusions: Our study represents the first fate mapping analysis of KLRG1+ effector OT-I cells, demonstrates that KLRG1+ effector OT-I cells differentiate into all memory T cell lineages thereby promoting protective immunity. RNA-seq identified CX3CR1 as a marker of circulating exKLRG1 early memory OT-I cells, and ATAC-seq analysis revealed that chromatin remodeling enabled exKLRG1 memory cells to exhibit both a high cytotoxic and proliferative capacity.

2018-03-01 | GSE110876 | GEO

RNA sequencing of wild type and FXR KO CD8+T cells in fed/fasted LCMV-infected mice

Project description:Conditional ablation of FXR in T cells was achieved with CD4-Cre Nr1h4fl/fl mice. Twenty thousend congenically marked naive (CD44- CD62L+) WT and FXR KO T cells carrying the OT-I transgenic TCR were cotransferred into lymphoreplete hosts. Recipients were challenged with LCMV-OVA and allowed to feed Ad libitum (AL) or fasted (Fs) for 24h beginning at 6pm on D5 post-infection. Splenic CD44+ effector cells of each genotype were FACS-purified (double-sorted) at the end of the starvation period.

2020-12-04 | GSE157439 | GEO

Optimized CD8 effector TL

Project description:Transcriptome analyses of naive, effector and memory CD8 TCRP1A lymphocytes expressing or not an active form of the transcription factor Stat5. TCRP1A CD8 T lymphocytes were activated by their cognate Ag for 72h to induce their differentiation in effector T cells (TCRP1A eTL 72h: 4 replicates S1, S2, S3, S4). In some samples, an active form of Stat5 was introduced (TCRP1A Stat5ca eTL 72h: 2 replicates S9, S10). These 72h activated T cells were either purified and analyzed directly (samples mentioned above) or injected in congeneic hosts and recovered more than 20 days later from the host spleen and lymph nodes: TCRP1A eTL >d20: 2 replicates– S30, S32; TCRP1A Stat5ca eTL >d20: 4 replicates S11, S12, S13, S14). Naive TCRP1A CD8 T lymphocytes (TCRP1A-naive: 4 replicates S33, S34, S35, S36) are included as controls. TCRP1A CD8 T lymphocytes were activated by anti-CD3/CD28. After 24h, an active form of Stat5 was introduced in activated cells. Culture was continued for another 48h to induce their differentiation in effector T cells. These 72h activated T cells were either directly injected in congeneic hosts and recovered more than 14 days later from the host spleen and lymph nodes: T-BetKO Stat5ca >d14: 3 replicates S39, S40, S41.

2013-09-13 | E-GEOD-26945 | biostudies-arrayexpress

Gene expression profile of WT and PD-1 -/- CD8+ T cells from murine skin (ear)

Project description:Gene expression changes were computed between naïve, WT and PD-1 -/- T Cells. WT or PD-1 -/- OT-1+ CD8+ donor T cells were sorted from the ear skin of recipient mice at day 14 after VACV-OVA skin scarification. Naïve CD8+ OT-1 T cells were isolated from lymph node and spleen of naive mice by negative selection on MACS beads

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