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Effect of Arid1a deletion in antiviral effector CD8+ T cells. [RNA-seq]

ABSTRACT: Effect of Arid1a deletion in antiviral effector CD8+ T cells. [RNA-seq]

PROVIDER: PRJNA945945 | ENA |

REPOSITORIES: ENA

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Effect of Arid1a deletion in antiviral effector CD8+ T cells. [RNA-seq]

Project description:To investigate the roll of ARID1A in the regulation of effector CD8+ T cell responses, we crossed GzmB-Cre P14 Thy1.1 mice with Arid1a-fl/fl mice to generate Arid1a Het and KO mice. We then performed gene expression profiling analysis of WT, Het, and KO cells in vivo at d3, d5, and d8 post-LCMV Armstrong infection.

2023-06-13 | GSE227634 | GEO

Effect of Arid1a deletion on chromatin accessibility in antiviral effector CD8+ T cells. [Cut & Run]

Project description:Effect of Arid1a deletion on chromatin accessibility in antiviral effector CD8+ T cells. [Cut & Run]

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Effect of Arid1a deletion on chromatin accessibility in antiviral effector CD8+ T cells. [ATAC-Seq]

Project description:Effect of Arid1a deletion on chromatin accessibility in antiviral effector CD8+ T cells. [ATAC-Seq]

| PRJNA948430 | ENA

Effect of Arid1a deletion on chromatin accessibility in antiviral effector CD8+ T cells. [Cut & Run]

Project description:To investigate the role of ARID1A in the regulation of transcription factor binding and histone modifications in effector CD8+ T cell responses, we crossed GzmB-Cre P14 Thy1.1 mice with Arid1a-fl/fl mice to generate Arid1a KO mice. We then performed CUT&RUN against ARID1A, BATF, ETS, Tbet, H3K27ac, H3K27me3 in WT, Arid1a KO, or Tbx21 (Tbet) KO cells in vivo at d0, 48h in vitro activated, d5, and d8 post-LCMV Armstrong infection.

2023-06-13 | GSE228380 | GEO

Effect of Arid1a deletion on chromatin accessibility in antiviral effector CD8+ T cells. [ATAC-Seq]

Project description:To investigate the role of ARID1A in the regulation of effector CD8+ T cell responses, we crossed GzmB-Cre P14 Thy1.1 mice with Arid1a-fl/fl mice to generate Arid1a Het and KO mice. We then performed chromatin accessibility profiling analysis by ATAC-seq in WT, Het, and KO cells in vivo at d0, 48h in vitro activated, d3, d5, and d8 post-LCMV Armstrong infection.

2023-06-13 | GSE228171 | GEO

Chromatin remodeler ARID1A binds IRF3 to selectively induce antiviral interferon production in macrophages

Project description:Transcription factor IRF3 is critical for the induction of antiviral type I interferon (IFN-I). The epigenetic regulation of IFN-I production in antiviral innate immunity need to be further identified. Here, we report that epigenetic remodeler ARID1A, a critical component of the mSWI/SNF complex, could bind IRF3 and then was recruited to the Ifn-I promoter by IRF3, thus selectively promoting IFN-I but not TNF-α, IL-6 production in macrophages upon viral infection. Myeloid cell-specific deficiency of Arid1a rendered mice more susceptible to viral infection, accompanied with less IFN-I production. Mechanistically, ARID1A facilitates chromatin accessibility of IRF3 at the Ifn-I promoter by interacting with histone methyltransferase NSD2, which methylates H3K4 and H3K36 of promoter region. Our findings demonstrate the new roles of ARID1A and NSD2 in innate immunity, providing insight to the crosstalks of chromatin remodeling, histone modification and transcription factor in the epigenetic regulation of antiviral innate immunity.

2022-07-01 | GSE176452 | GEO

Impact of Tle3 induced deletion on transcriptomes of effector memory CD8 cells

Project description:Impact of Tle3 induced deletion on transcriptomes of effector memory CD8 cells

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The alarmin interleukin-33 drives protective antiviral CD8+ T cell responses

Project description:Pathogen-associated molecular patterns decisively influence antiviral immune responses, whereas the contribution of endogenous signals of tissue damage, also known as “damage-associated molecular patterns” or “alarmins”, remains ill-defined. We show that interleukin-33 (IL-33), an alarmin released from necrotic cells, is necessary for potent CD8+ T cell (CTL) responses to replicating, prototypic RNA and DNA viruses in mice. IL-33 signaled through its receptor on activated CTLs, enhanced clonal expansion in a MyD88-dependent, CTL-intrinsic fashion, determined polyfunctional effector cell differentiation and was necessary for virus control. Moreover, recombinant IL-33 augmented vaccine-induced CTL responses. Radio-resistant cells of the splenic T cell zone produced IL-33, and efficient CTL responses required IL-33 from radio-resistant cells but not from hematopoietic cells. Thus, alarmin release by radio-resistant cells orchestrates protective antiviral CTL responses. 2 groups (wt vs. ST-/- P14 cells), 3 replicates per group.

2012-02-27 | E-GEOD-34392 | biostudies-arrayexpress

Gene expression in LCMV-specific Blimp-1 deficient effector CD8+ T cells compared to wildtype effector CD8+ T cells

Project description:Antigen-specific effector CD8+ T cells deficient in Blimp-1 (Prdm1) do not acquire maximal effector functions, evade terminal differentiation, and more rapidly acquire some hallmark properties of memory CD8+ T cells. In this study, we compared the gene expression profiles of wildtype and Prdm1-/- LCMV-specific effector CD8+ T cells to better understand the molecular mechanisms underlying this striking phenotype. DNA microarray analysis was performed of DbGP33-41 and DbNP396-404 tetramer-positive effector CD8+ T cells FACS-sorted at day 8 post-LCMV infection from four independent samples of either Blimp-1 conditional knockout mice (CKO; Blimp-1flox/flox x GranzymeB-cre+) or wildtype (WT) littermate controls.

2010-08-19 | E-GEOD-17211 | biostudies-arrayexpress

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

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