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

ABSTRACT: 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 naïve 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.

ORGANISM(S): Mus musculus

PROVIDER: GSE83191 | GEO | 2016/06/10

SECONDARY ACCESSION(S): PRJNA325335

REPOSITORIES: GEO

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Trancriptional comparison of Zbtb32-deficient and -sufficient polyclonal resting 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. Wild type and Zbtb32-/- resting polyclonal splenic memory B cells were purified by fluorescence activated cell sorting, RNA was extracted, and used for Affymetrix microarray analysis. 5 biological replicates of wild type and Zbtb32-/- cells were included for each cell type.

2016-06-10 | E-GEOD-83191 | biostudies-arrayexpress

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 naïve 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.

2016-06-10 | GSE83193 | GEO

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 naïve 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.

2016-06-10 | GSE83190 | GEO

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.

2016-06-10 | E-GEOD-83190 | biostudies-arrayexpress

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

ZBTB32 performs crosstalk with the glucocorticoid receptor and is crucial in glucocorticoid responses to starvation

Project description:The hypothalamic-pituitary-adrenal (HPA) axis forms a complex neuroendocrine system that interacts directly via feedforward and feedback reactions to regulate the body’s response to stress such as starvation. In contrast with the glucocorticoid receptor (GR), ZBTB32 (zinc finger and BTB domain containing 32) is a transcription factor with very poorly described functional relevance in physiology. We investigated the importance of ZBTB32 on the HPA axis functioning and found that it is essential for the production of glucocorticoids (GCs) in response to starvation, because ZBTB32-/- mice fail to increase the GC production during prolonged absence of nutrients. In terms of mechanism, GR-mediated upregulation of adrenal Scarb1 gene expression was absent in ZBTB32-/- mice, implicating defective cholesterol import as the cause of the poor GC synthesis. Lower GC levels in ZBTB32-/- mice are further associated with aberrations in the metabolic adaptation to starvation, which could potentially explain the progressive weight gain of ZBTB32-/- mice. Moreover, this study identifies that ZBTB32 performs a crosstalk with the GR in the metabolic adaptation to starvation via regulation of adrenal GC production.

2021-06-08 | GSE176277 | GEO

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.

2021-01-05 | GSE156875 | GEO

Single cell RNASeq analysis of memory TH2 cell response to an intestianl nematode

Project description:Intestinal parasitic nematodes, affecting a quarter of the world’s population, typically elicit prominent effector Th2-driven host immune responses. However, a more detailed understanding of nematode-induced memory Th2 responses remains scarce. We investigated the activation of peritoneal memory Th2 cells and the mechanisms driving early recall responses to the enteric nematode Heligmosomoides polygyrus in mice. We show memory Th2 cells with distinct transcriptional profiles to persist systemically in lymphoid and non-lymphoid tissues following cure of infection. Moreover, peritoneal memory Th2 cells display strong cytokine production, upregulate costimulatory marker Ox40 (CD134) and IL-5 production in a parasite-specific manner as early as 3 days following challenge infection. This effect is paralleled by an influx of Ox40L+ dendritic cells (DC) and eosinophils, both appearing exclusively in the peritoneum of reinfected mice. Finally, we show that peritoneal mesothelial cells (PeM) significantly downregulate their expression of VCAM-1 and ICAM-1 in response to a secondary infection, pointing towards an involvement in immune cell efflux. Thus, our data indicate a pivotal role of the peritoneum for memory Th2 responses and a role for PeM cells in immune cell recruitment, activation and efflux during recall responses to a strictly intestinal pathogen.

2022-03-10 | GSE198203 | GEO

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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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