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Transcriptomal comparison between group 2 innate lymphoid cells (ILC2s) in the murine small intestine (SI-ILC2s) and those in white adipose tissue (WAT-ILC2s)

ABSTRACT: Transcriptomal comparison between group 2 innate lymphoid cells (ILC2s) in the murine small intestine (SI-ILC2s) and those in white adipose tissue (WAT-ILC2s)

PROVIDER: PRJNA540528 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR8993004_1.fastq.gz	Fastqsanger.gz
	SRR8993004_2.fastq.gz	Fastqsanger.gz
	SRR8993005_1.fastq.gz	Fastqsanger.gz
	SRR8993005_2.fastq.gz	Fastqsanger.gz
	SRR8993006_1.fastq.gz	Fastqsanger.gz

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Transcriptomal comparison between group 2 innate lymphoid cells (ILC2s) in the murine small intestine (SI-ILC2s) and those in white adipose tissue (WAT-ILC2s)

Project description:Transcriptomal comparison between group 2 innate lymphoid cells (ILC2s) in the murine small intestine (SI-ILC2s) and those in white adipose tissue (WAT-ILC2s).

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Expression data from naive, effector and memory-like ILC2s isolated from mouse lungs and those from effector and memory-like ILC2s isolated from mediastinal lymph node

Project description:Group 2 innate lymphoid cells (ILC2s) in the lung are stimulated by inhaled allergens. ILC2s do not directly recognize allergens but they are stimulated by cytokines including interleukin (IL)-33 released by damaged epithelium.Lung ILC2s, upon stimulation, produce T helper 2 cell-type cytokines inducing T cell independent allergic lung inflammation. We now report that lung ILC2s, upon activation by an allergen or IL-33, acquire the properties of memory cells. The activated ILC2s initially proliferate and secrete cytokines, followed by a contraction phase as they stop producing cytokines. Nevertheless, some persist long after the resolution of the inflammation and acquire intrinsic capacities to react to unrelated allergens more vigorously than naÃ¯ve ILC2s, thus mediating a severe allergic lung inflammation. Gene expression profiles of the previously activated ILC2s show a gene signature of memory T cells. These antigen non-specific memory ILC2s may explain why asthma patients are often sensitized to multiple allergens. ILC2s were isolated from mouse lungs from naive and IL-33 injected mice 4 days, 14 days and 4 months after the initial treatment. RNA was extracted from those ILC2 populations and analyzed for gene expression profiles. RNA was also extracted from ILC2s isolated from lung draining mediastinal lymph node (mLN) 4 days and 14 days after IL-33 treatment.

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Expression data from naive, effector and memory-like ILC2s isolated from mouse lungs and those from effector and memory-like ILC2s isolated from mediastinal lymph node

Project description:Group 2 innate lymphoid cells (ILC2s) in the lung are stimulated by inhaled allergens. ILC2s do not directly recognize allergens but they are stimulated by cytokines including interleukin (IL)-33 released by damaged epithelium.Lung ILC2s, upon stimulation, produce T helper 2 cell-type cytokines inducing T cell independent allergic lung inflammation. We now report that lung ILC2s, upon activation by an allergen or IL-33, acquire the properties of memory cells. The activated ILC2s initially proliferate and secrete cytokines, followed by a contraction phase as they stop producing cytokines. Nevertheless, some persist long after the resolution of the inflammation and acquire intrinsic capacities to react to unrelated allergens more vigorously than naïve ILC2s, thus mediating a severe allergic lung inflammation. Gene expression profiles of the previously activated ILC2s show a gene signature of memory T cells. These antigen non-specific memory ILC2s may explain why asthma patients are often sensitized to multiple allergens.

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Microarray transcription of murine lung and uterine group 2 innate lymphoid cells (ILC2s) cultured in vitro with or without 17beta-estradiol (estrogen, E2)

Project description:This experiment sought to determine whether estrogen could directly activate changes in gene transcription in lung and uterine ILC2s, whether such changes differed between lung and uterine ILC2s, and compared baseline gene expression between ILC2s from those organs. ILC2s, defined as lineage (CD3e, CD14, CD16/32 and B220) negative, CD25 positive and CD44 high lymphocytes, were sorted by flow cytometry from 8-12 week old BALB/c mice and cultured overnight in RPMI 1640 with 10% charcoal/dextran treated calf serum in the absence or presence of 100 ng/ml estrogen. RNA was extracted from the cells after culture.

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