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Homeostatic cytokines reciprocally modulate the emergence of prenatal effector PLZF+CD4+ T cells in humans [Bulk RNA-seq]

ABSTRACT: The development of human adaptive immunity progresses faster than previously appreciated, with the emergence of memory CD4+ T cells alongside regulatory T (Treg) cells by the second trimester of pregnancy. We previously identified a prenatal-specific subset of PLZF+ CD4+ T cells with heightened effector potential that accounted for most memory T cells in the developing intestine and accumulated in the cord blood of infants exposed to prenatal inflammatory pathologies. However, the signals that drive their tissue distribution and effector maturation are unknown. Here, we define the transcriptional and functional heterogeneity of prenatal PLZF+ CD4+ T cells and identify compartmentalization of Th-like effector function across the small intestine (SI) and mesenteric lymph nodes (MLN).

ORGANISM(S): Homo sapiens

PROVIDER: GSE213521 | GEO | 2022/09/19

REPOSITORIES: GEO

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Homeostatic cytokines reciprocally modulate the emergence of prenatal effector PLZF+CD4+ T cells in humans [scRNA-seq]

Project description:The development of human adaptive immunity progresses faster than previously appreciated, with the emergence of memory CD4+ T cells alongside regulatory T (Treg) cells by the second trimester of pregnancy. We previously identified a prenatal-specific subset of PLZF+ CD4+ T cells with heightened effector potential that accounted for most memory T cells in the developing intestine and accumulated in the cord blood of infants exposed to prenatal inflammatory pathologies. However, the signals that drive their tissue distribution and effector maturation are unknown. Here, we define the transcriptional and functional heterogeneity of prenatal PLZF+ CD4+ T cells and identify compartmentalization of Th-like effector function across the small intestine (SI) and mesenteric lymph nodes (MLN).

2022-09-19 | GSE213522 | GEO

Homeostatic cytokines reciprocally modulate the emergence of prenatal effector PLZF+CD4+ T cells in humans

Project description:Homeostatic cytokines reciprocally modulate the emergence of prenatal effector PLZF+CD4+ T cells in humans

| PRJNA881287 | ENA

Homeostatic cytokines reciprocally modulate the emergence of prenatal effector PLZF+CD4+ T cells in humans [scRNA-seq]

Project description:Homeostatic cytokines reciprocally modulate the emergence of prenatal effector PLZF+CD4+ T cells in humans [scRNA-seq]

| PRJNA881299 | ENA

Homeostatic cytokines reciprocally modulate the emergence of prenatal effector PLZF+CD4+ T cells in humans [Bulk RNA-seq]

Project description:Homeostatic cytokines reciprocally modulate the emergence of prenatal effector PLZF+CD4+ T cells in humans [Bulk RNA-seq]

| PRJNA881290 | ENA

Multiple levels of transcriptional regulation by PLZF in NKT cell development [MoEx-1_0-st]

Project description:To identify genes that PLZF is sufficient to modulate in T cells, we compared CD4+ CD8- (CD4SP) thymocytes that overexpressed PLZF to their wildtype counterparts The transcription factor PLZF is induced during the development of innate and innate-like lymphocytes to direct their acquisition of a T helper effector program, but the molecular mechanisms involved are poorly understood. Using biotinylation-based ChIP-seq and microarray analysis of both NKT and PLZF-transgenic thymocytes, we identified several layers of regulation of the innate-like NKT effector program: first, PLZF bound and regulated genes encoding cytokine receptors as well as homing and adhesion receptors; second, PLZF bound and activated T helper-specific transcription factor genes that in turn control T helper specific programs; finally, PLZF bound and suppressed the transcription of Bach2, a potent general repressor of effector differentiation in naive T cells. These findings reveal the architecture of the transcriptional program recruited by PLZF and elucidate how a single transcription factor can drive the developmental acquisition of a broad effector program.

2016-05-24 | GSE81770 | GEO

Multiple levels of transcriptional regulation by PLZF in NKT cell development [Mouse430_2]

Project description:To identify genes that require PLZF for their regulation in NKT cells, we compared the developmental stages of thymic NKT cells from wildtype and PLZF-deficient mice The transcription factor PLZF is induced during the development of innate and innate-like lymphocytes to direct their acquisition of a T helper effector program, but the molecular mechanisms involved are poorly understood. Using biotinylation-based ChIP-seq and microarray analysis of both NKT and PLZF-transgenic thymocytes, we identified several layers of regulation of the innate-like NKT effector program: first, PLZF bound and regulated genes encoding cytokine receptors as well as homing and adhesion receptors; second, PLZF bound and activated T helper-specific transcription factor genes that in turn control T helper specific programs; finally, PLZF bound and suppressed the transcription of Bach2, a potent general repressor of effector differentiation in naive T cells. These findings reveal the architecture of the transcriptional program recruited by PLZF and elucidate how a single transcription factor can drive the developmental acquisition of a broad effector program.

2016-05-24 | GSE81771 | GEO

Expression data comparing PLZF+/+, PLZF +/lu, PLZF lu/lu gammadelta NKT cells

Project description:Natural killer (NKT) T cells exhibit tissue distribution, surface phenotype, and functional responses that are strikingly different from those of conventional T cells. The transcription factor PLZF is responsible for most of these properties, as its ectopic expression in conventional T cells is sufficient to confer to them an NKT-like phenotype. The molecular program downstream of PLZF, however, is largely unexplored. Here we report that PLZF regulates the expression of a surprisingly small set of genes, many with known immune functions. This includes several established components of the NKT cell developmental program. Transcriptional program downstream of PLZF in gammadelta NKT cells was analyzed by comparing wt, heterozygous and PLZF-deficient gammadelta NKT cells

2012-11-09 | E-GEOD-42168 | biostudies-arrayexpress

Multiple levels of transcriptional regulation by PLZF in NKT cell development [human_ChIP-seq]

Project description:Using biotinylation-based ChIP-seq and microarray analysis of both NKT and PLZF-transgenic thymocytes, we identified several layers of regulation of the innate-like NKT effector program. The transcription factor PLZF is induced during the development of innate and innate-like lymphocytes to direct their acquisition of a T helper effector program, but the molecular mechanisms involved are poorly understood. Using biotinylation-based ChIP-seq and microarray analysis of both NKT and PLZF-transgenic thymocytes, we identified several layers of regulation of the innate-like NKT effector program: first, PLZF bound and regulated genes encoding cytokine receptors as well as homing and adhesion receptors; second, PLZF bound and activated T helper-specific transcription factor genes that in turn control T helper specific programs; finally, PLZF bound and suppressed the transcription of Bach2, a potent general repressor of effector differentiation in naive T cells. These findings reveal the architecture of the transcriptional program recruited by PLZF and elucidate how a single transcription factor can drive the developmental acquisition of a broad effector program.

2016-05-24 | GSE81769 | GEO

Multiple levels of transcriptional regulation by PLZF in NKT cell development [mouse_ChIP-seq]

2016-05-24 | GSE81768 | GEO

PLZF acetylation levels regulate NKT cell diffrentiation

Project description:The transcription factor PLZF (promyelocytic leukemia zinc finger) is encoded by the BTB domain-containing 16 (Zbtb16) gene. Its repressor function regulates specific transcriptional programs. During the development of invariant natural killer T (NKT) cells, PLZF is expressed and directs their effector program but the detailed mechanisms underlying PLZF regulation of multi-stage NKT cell developmental program are not well understood. This study investigated the role of acetylation-induced PLZF activation on NKT cell development by analyzing mice expressing a mutant form of PLZF mimicking constitutive acetylation (PLZFON mice). NKT populations in PLZFON mice were reduced in proportion and numbers of cells, and the cells present were blocked at the transition from developmental stage 1 to stage 2. NKT cell subset differentiation was also altered, with T-bet+ NKT1 and RORt+ NKT17 subsets dramatically reduced, and the emergence of a T-bet-RORt- NKT cell subset with features of cells in early developmental stages rather than mature NKT2 cells. Preliminary analysis of DNA methylation patterns suggested that activated PLZF acts on the DNA methylation signature to regulate NKT cells’ entry into the early stages of development, while repressing maturation. In wild-type NKT cells, deacetylation of PLZF is possible, allowing subsequent NKT cell differentiation. Interestingly, development of other innate lymphoid and myeloid cells, that are dependent on PLZF for their generation, is not altered in PLZFON mice highlighting lineage specific regulation. Overall, we propose that specific epigenetic control of PLZF through acetylation levels is required to regulate normal NKT cell differentiation. Key points: Constitutive acetylation of PLZF (PLZFON) blocks NKT cell development. PLZFON might act on the DNA methylation signature to control gene expression. PLZF acetylation levels regulate normal NKT cell differentiation.

2021-05-24 | GSE128558 | GEO

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