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Gene expression analysis of WT and Tfap4–/– OT-I cells activated by Listeria monocytogenes expressing ovalbumin

ABSTRACT: Gene expression of Tfap4–/– and WT OT-I T cells were compared 4 or 6 days after activation with Listeria monocytogenes infection in vivo with the ERCC spike-in RNA control. Naive CD8+ T cells from Tfap4–/– OT-I or control WT OT-I TCR transgenice mice were adoptively transferred to congenic host mice that were subsequently infected with Listeria monocytogenes expression ovalbumin. Activated OT-I cells were harvested 4 days or 6 days after infection and gene expression was compared using microarray. 1 μL of 1:1,000 diluted External RNA Controls Consortium (ERCC) RNA Spike-In Control Mixes (Ambion) was added to total RNA extracted from 1 x 10^5 cells prior to amplification. Gene expression was quantitated by RMA normalization to Signal intensity and signal intensities were further converted by formula obtained from linear regression of signals for spiked-in control RNA between samples to obtain cell number-normalized gene expression.

ORGANISM(S): Mus musculus

SUBMITTER: Takeshi Egawa

PROVIDER: E-GEOD-58076 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Gene expression analysis of WT and Tfap4–/– OT-I cells activated by Listeria monocytogenes expressing ovalbumin

Project description:Gene expression of Tfap4–/– and WT OT-I T cells were compared 4 or 6 days after activation with Listeria monocytogenes infection in vivo with the ERCC spike-in RNA control.

2014-07-13 | GSE58076 | GEO

Next-generation sequencing of three memory OT-I cell subsets from mice infected with Listeria monocytogenes

Project description:Purpose: RNA-seq analysis of three memory OT-I cell subsets (from a Klrg1-Cre fate reporter mouse model) isolated from the spleen of C57BL/6 mice infected with Listeria monocytogenes. The hypothesis tested in the present study was that KLRG1+ effector CD8 T lymphocytes differentiate into KLRG1- memory CD8 T lymphocytes and provide long-lasting immunity against infectious diseases and malignancies. Methods: Total RNA was obtained from FACS-purified OT-I cell subsets isolated from spleen 104 (experiment 1) and 110 days post infection (experiment 2) with ovalbumin-expressing Listeria monocytogenes (LM-OVA). Results: Using RNA-seq technology, we performed genome-wide transcriptional profiling of three memory OT-I cells (KLRG1+ Reporter+, KLRG1- Reporter+ (exKLRG1) and KLRG1- Reporter-) and identified 36 genes differentially expressed (> 1.5-fold) between exKLRG1 and KLRG1- Reporter- memory OT-I cells, and 132 differentially expressed genes between exKLRG1 and KLRG1+ Reporter+ memory OT-I cells. We then confirmed the expression of 15 genes/molecules by qRT-PCR and/or flow cytometry. 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 also identified CX3CR1 as a marker of circulating exKLRG1 early memory OT-I cells.

2018-03-01 | GSE110629 | GEO

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

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).

2010-07-10 | GSE21360 | GEO

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

Comparison of gene expression of OT-I CD8 T cells after infection

2010-06-01 | GSE20265 | GEO

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 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.

2013-12-10 | GSE53200 | GEO

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

Comparison of gene expression of OT-I CD8 T cells after infection

Project description:The goal was to examine gene expression after in vivo activation by different vaccine strains of Listeria monocytogenes. Heat killed LM, irradiated LM and live actA- LM were used to immunize mice after transfer of OT-I cells 5x10e5 OT-I-RAG-/- cells transferred to B6 mice, 24hrs later mice immunized; 24hrs later cells sorted on MHC class II-, CD45.1+, CD8+, CD69+ Two arrays were performed per sample for a total of 8 arrays. RAW data file (supplementary file on the Series record) contains the data for each array individually.

2010-06-08 | E-GEOD-20265 | biostudies-arrayexpress

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