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Expression data from primary and secondary CD4 T cell effectors responding towards influenza A virus infection

ABSTRACT: How secondary CD4 T cell effectors, derived from resting memory cells, differ from primary cells, derived from naïve precursors, and how such differences impact recall responses to pathogens is unknown. We used microarrays to detail the global programme of gene expression underlying differences between primary and secondary CD4 T cell effectors purified from the spleen, dLN, and lung on day 7 following A/PR8/34 influenza infection.

ORGANISM(S): Mus musculus

PROVIDER: GSE40230 | GEO | 2012/08/27

SECONDARY ACCESSION(S): PRJNA173236

REPOSITORIES: GEO

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Expression data from primary and secondary CD4 T cell effectors responding towards influenza A virus infection

Project description:How secondary CD4 T cell effectors, derived from resting memory cells, differ from primary cells, derived from naïve precursors, and how such differences impact recall responses to pathogens is unknown. We used microarrays to detail the global programme of gene expression underlying differences between primary and secondary CD4 T cell effectors purified from the spleen, dLN, and lung on day 7 following A/PR8/34 influenza infection. Congenic naïve or in vivo influenza primed memory HNT TCR trangenic CD4 T cells were sort purifed from the spleens, dLNs, and lungs of infected mice on day 7 post infection for RNA extraction and hybridization on Affymetrix microarrays. We sought to obtain only CD4 T cell populations that had entered into the immune response by also sorting and collecting only those cells that had divided at least 5 times by CFSE analysis.

2012-08-27 | E-GEOD-40230 | biostudies-arrayexpress

Expression data from WT and IL-2 secondary CD4 T cell effectors responding towards infuenza A virus infection

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Expression data from WT and IL-2 secondary CD4 T cell effectors responding towards infuenza A virus infection

Project description:How IL-2 produced by secondary CD4 T cell effectors, derived from resting memory cells, impacts memory CD4 T cell function and survival to memory following antigen re-encounter is unknown. We used microarrays to detail the global programme of gene expression underlying differences between WT and IL-2 deficient secondary CD4 T cell effectors purified from the lung on day 7 following A/PR8/34-OVAII influenza infection. Congenic primed memory DO11.10 TCR trangenic CD4 T cells were sort purifed from the lungs of infected mice on day 7 post infection for RNA extraction and hybridization on Affymetrix microarrays. We sought to obtain only CD4 T cell populations that had entered into the immune response by also sorting and collecting only those cells that had divided at least 5 times by CFSE analysis.

2015-05-14 | E-GEOD-60186 | biostudies-arrayexpress

Expression data from circulating and lung tissue resident memory CD4 T cell responding towards infuenza A virus infection

Project description:How tissue resident memory CD4 T cell differ from circulating memory CD4 T cells and how such differences impact functional recall responses to pathogens is unknown. We used microarrays to detail the global programme of gene expression underlying differences between sort purified circulating memory CD4 T cells from the lung and spleen, which are labelled with flourescent antibody following intravenous administration, and lung tissue resident memory CD4 T cells, which are not labelled with flourescent antibody following intravenous administration, on day 28 post influenza infection.

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Thymic stromal lymphopoietin limits primary and recall CD8+ T cell anti-viral responses

Project description:Thymic stromal lymphopoietin (TSLP) is a cytokine that acts directly on CD4+ T cells and dendritic cells to promote progression of asthma, atopic dermatitis, and allergic inflammation. However, a direct role for TSLP in CD8+ T-cell primary responses remains controversial and its role in memory CD8+ T-cell responses to secondary viral infection is unknown. Here, we investigate the role of TSLP in both primary and recall responses using two different viral systems. Interestingly, TSLP limited the primary CD8+ T cell response to influenza but did not affect T cell function nor significantly alter the number of memory CD8+ T cells generated after influenza infection. However, TSLP inhibited memory CD8+ T cell responses to secondary viral infection with influenza or acute systemic LCMV infection. These data reveal a previously unappreciated role for TSLP on recall CD8+ T cell responses in response to viral infection, findings with potential translational implications.

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Trancriptional comparison of Zbtb32-deficient and -sufficient polyclonal resting memory B cells

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Project description:Expression data from primary and secondary CD4 T cell effectors responding towards influenza A virus infection

| PRJNA173236 | ENA

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Project description:Following viral clearance, antigen-specific CD4+ T cells contract and form a pool of distinct Th1 and Tfh memory cells that possess unique epigenetic programs, allowing them to rapidly recall their specific effector functions upon rechallenge. DNA methylation programing mediated by the methylcytosine dioxygenase Tet2 contributes to balancing Th1 and Tfh cell differentiation during acute viral infection, however the role of Tet2 in CD4+ T cell memory formation and recall is unclear. Using adoptive transfer models of antigen-specific WT andTet2KO CD4+ T cells, we find that Tet2 is required for full commitment of CD4+ T cells to the Th1 lineage and that in the absence of Tet2, memory cells preferentially recall a Tfh like phenotype with enhanced expansion upon secondary challenge. These findings demonstrate an important role for Tet2 in enforcing lineage commitment and programing proliferation potential, and highlight the potential of targeting epigenetic programing to enhance adaptive immune responses.

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Trancriptional comparison of Zbtb32-deficient and -sufficient NP-specific memory B cells at day 7 of recall response [BMPC]

Project description:Memory B cell responses are more rapid and of greater magnitude than are primary antibody responses. The mechanisms by which these secondary responses are eventually attenuated remain unknown. We demonstrate that the transcription factor ZBTB32 limits the rapidity and duration of antibody recall responses. ZBTB32 is highly expressed by mouse and human memory B cells, but not by their naÃ¯ve counterparts. Zbtb32-/- mice mount normal primary antibody responses to T-dependent antigens. However, Zbtb32-/- memory B cell-mediated recall responses occur more rapidly and persist longer than do control responses. Microarray analyses demonstrate that Zbtb32-/- secondary bone marrow plasma cells display elevated expression of genes that promote cell cycle progression and mitochondrial function relative to wild-type controls. BrdU labeling and adoptive transfer experiments confirm more rapid production and a cell-intrinsic survival advantage of Zbtb32-/- secondary plasma cells relative to wild-type counterparts. ZBTB32 is therefore a novel negative regulator of antibody recall responses. CD45.2 wild type and Zbtb32-/- splenocytes from NP-CGG-immune donors were transferred into CD45.1 recipients and challenged with NP-CGG. CD45.2 donor NP-specific plasma cells B cells were isolated from the bone marrow 7 days later. 6 biological replicates of each genotype were performed.

2016-06-10 | E-GEOD-83193 | biostudies-arrayexpress

Trancriptional comparison of Zbtb32-deficient and -sufficient NP-specific memory B cells at day 7 of recall response [memory B cells]

Project description:Memory B cell responses are more rapid and of greater magnitude than are primary antibody responses. The mechanisms by which these secondary responses are eventually attenuated remain unknown. We demonstrate that the transcription factor ZBTB32 limits the rapidity and duration of antibody recall responses. ZBTB32 is highly expressed by mouse and human memory B cells, but not by their naÃ¯ve counterparts. Zbtb32-/- mice mount normal primary antibody responses to T-dependent antigens. However, Zbtb32-/- memory B cell-mediated recall responses occur more rapidly and persist longer than do control responses. Microarray analyses demonstrate that Zbtb32-/- secondary bone marrow plasma cells display elevated expression of genes that promote cell cycle progression and mitochondrial function relative to wild-type controls. BrdU labeling and adoptive transfer experiments confirm more rapid production and a cell-intrinsic survival advantage of Zbtb32-/- secondary plasma cells relative to wild-type counterparts. ZBTB32 is therefore a novel negative regulator of antibody recall responses. CD45.2 wild type and Zbtb32-/- splenocytes from NP-CGG-immune donors were transferred into CD45.1 recipients and challenged with NP-CGG. CD45.2 donor NP-specific memory B cells were isolated from the spleen 7 days later. 5-6 biological replicates of each genotype were performed.

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