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Distinct Gene Regulatory Pathways for Human Innate Versus Adaptive Lymphoid Cells

ABSTRACT: Distinct Gene Regulatory Pathways for Human Innate Versus Adaptive Lymphoid Cells

PROVIDER: PRJNA314321 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR3129090.fastq.gz	Fastqsanger.gz
	SRR3129100.fastq.gz	Fastqsanger.gz
	SRR3129110_1.fastq.gz	Fastqsanger.gz
	SRR3129110_2.fastq.gz	Fastqsanger.gz
	SRR3129081.fastq.gz	Fastqsanger.gz

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Distinct Gene Regulatory Pathways for Human Innate Versus Adaptive Lymphoid Cells [ChIP-seq & ATAC-seq]

Project description:Innate lymphoid cells (ILCs) serve as sentinels in mucosal tissues, sensing release of soluble inflammatory mediators, rapidly communicating danger via cytokine secretion, and functioning as guardians of tissue homeostasis. Although ILCs have been studied extensively in model organisms, little is known about these âfirst respondersâ in humans, especially their lineage and functional kinships to cytokine-secreting T helper cell (Th) counterparts. Here, we report gene regulatory circuitries for four human ILCâTh counterparts derived from mucosal environments, revealing that each ILC subset diverges as a distinct lineage from Th and circulating natural killer cells, but shares circuitry devoted to functional polarization with their Th counterparts. Super-enhancers demarcate cohorts of cell identity genes in each lineage, uncovering new modes of regulation for signature cytokines, novel molecules that likely impart important functions to ILCs, and potential mechanisms for autoimmune disease SNP associations within ILCâTh subsets. Molecular profiling of innate lymphoid and T helper cells subsets purified from tonsils and NK cells purified from peripheral blood using Assay for Transposase-Accessible Chromatin (ATAC) and chromatin immunoprecipitation (H3K4me3 and H3K27ac).

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Distinct Gene Regulatory Pathways for Human Innate Versus Adaptive Lymphoid Cells [gene expression]

Project description:Innate lymphoid cells (ILCs) serve as sentinels in mucosal tissues, sensing release of soluble inflammatory mediators, rapidly communicating danger via cytokine secretion, and functioning as guardians of tissue homeostasis. Although ILCs have been studied extensively in model organisms, little is known about these âfirst respondersâ in humans, especially their lineage and functional kinships to cytokine-secreting T helper cell (Th) counterparts. Here, we report gene regulatory circuitries for four human ILCâTh counterparts derived from mucosal environments, revealing that each ILC subset diverges as a distinct lineage from Th and circulating natural killer cells, but shares circuitry devoted to functional polarization with their Th counterparts. Super-enhancers demarcate cohorts of cell identity genes in each lineage, uncovering new modes of regulation for signature cytokines, novel molecules that likely impart important functions to ILCs, and potential mechanisms for autoimmune disease SNP associations within ILCâTh subsets. RNA was isolated from two to five replicates of ILC1, ILC3, Th1, Th2 and NK cells. Gene expression levels were determined using Affymetrix Human Gene 1.0 ST arrays.

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Innate versus adaptive lymphoid cell fate choice is controlled by the E-Id protein axis [ATAC-Seq]

Project description:The lymphoid branch of the immune defense is composed of innate and adaptive immune cells. Using multiple genetic strategies we demonstrate that in the thymus E2A and HEB act in synergy to establish T cell identity and to suppress the aberrant development of innate lymphoid cells that include ILC2 and LTi-like cells. We found that E2A and HEB induce T cell fate by activating the expression of an ensemble of genes encoding for proteins associated with Notch- and pre-TCR signaling and to promote TCRβ antigen receptor assembly. We show that E2A and HEB act in early T progenitors (ETPs) to establish and maintain a T-lineage specific enhancer repertoire, including regulatory elements associated with the Notch1/3 and Rag1/2 gene loci. Based on these and previous observations we propose that the E-Id protein axis specifies innate versus adaptive lymphoid cell fate.

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Project description:Innate lymphoid cells (ILCs) serve as sentinels in mucosal tissues, sensing release of soluble inflammatory mediators, rapidly communicating danger via cytokine secretion, and functioning as guardians of tissue homeostasis. Although ILCs have been extensively studied in model organisms, little is known about these "first responders" in humans, especially their lineage and functional kinships to cytokine-secreting T helper (Th) cell counterparts. Here, we report gene regulatory circuitries for four human ILC-Th counterparts derived from mucosal environments, revealing that each ILC subset diverges as a distinct lineage from Th and circulating natural killer cells but shares circuitry devoted to functional polarization with their Th counterparts. Super-enhancers demarcate cohorts of cell-identity genes in each lineage, uncovering new modes of regulation for signature cytokines, new molecules that likely impart important functions to ILCs, and potential mechanisms for autoimmune disease SNP associations within ILC-Th subsets.

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Innate versus adaptive lymphoid cell fate choice is controlled by the E-Id protein axis

Project description:Innate versus adaptive lymphoid cell fate choice is controlled by the E-Id protein axis

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Distinct Gene Regulatory Pathways for Human Innate Versus Adaptive Lymphoid Cells [ChIP-seq & ATAC-seq]

Project description:Innate lymphoid cells (ILCs) serve as sentinels in mucosal tissues, sensing release of soluble inflammatory mediators, rapidly communicating danger via cytokine secretion, and functioning as guardians of tissue homeostasis. Although ILCs have been studied extensively in model organisms, little is known about these “first responders” in humans, especially their lineage and functional kinships to cytokine-secreting T helper cell (Th) counterparts. Here, we report gene regulatory circuitries for four human ILC–Th counterparts derived from mucosal environments, revealing that each ILC subset diverges as a distinct lineage from Th and circulating natural killer cells, but shares circuitry devoted to functional polarization with their Th counterparts. Super-enhancers demarcate cohorts of cell identity genes in each lineage, uncovering new modes of regulation for signature cytokines, novel molecules that likely impart important functions to ILCs, and potential mechanisms for autoimmune disease SNP associations within ILC–Th subsets.

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Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

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Distinct Gene Regulatory Pathways for Human Innate Versus Adaptive Lymphoid Cells

Project description:This SuperSeries is composed of the SubSeries listed below.

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