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Next Generation Sequencing Facilitates Quantitative Analysis of the effects of CD200R engagment on sorted mouse pulmonary ILC2 Transcriptomes.

ABSTRACT: Next Generation Sequencing Facilitates Quantitative Analysis of the effects of CD200R engagment on sorted mouse pulmonary ILC2 Transcriptomes.

PROVIDER: PRJNA702167 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR13724286.fastq.gz	Fastqsanger.gz
	SRR13724287.fastq.gz	Fastqsanger.gz
	SRR13724288.fastq.gz	Fastqsanger.gz
	SRR13724289.fastq.gz	Fastqsanger.gz
	SRR13724290.fastq.gz	Fastqsanger.gz

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Next Generation Sequencing Facilitates Quantitative Analysis of the effects of CD200R engagment on sorted mouse pulmonary ILC2 Transcriptomes.

Project description:The prevalence of asthma and airway hyperreactivity (AHR) is increasing at an alarming rate. Group 2 innate lymphoid cells (ILC2s) are copious producers of type 2 cytokines, which leads to AHR and lung inflammation. In this study, we demonstrate murine ILC2s express CD200 receptor (CD200R), and this expression is inducible. We ascertain CD200R engagement inhibits activation, proliferation, and type 2 cytokine production, revealing a potent immunoregulatory role for CD200–CD200R axis on ILC2s. Furthermore, we demonstrate that CD200R engagement inhibits both canonical and non-canonical NF-B signaling pathways in activated ILC2s. Importantly, we herein design both preventative and therapeutic approaches utilizing CD200R engagement on ILC2s, which lead to improved airway resistance, dynamic compliance, and eosinophilia. Finally, our results reveal CD200R is expressed on human ILC2s, and its engagement ameliorates AHR in humanized ILC2 models, further emphasizing the translational applications of our findings for treatment of ILC2-related diseases such as allergic asthma.

2021-02-17 | GSE166889 | GEO

Next Generation Sequencing Facilitates Quantitative Analysis of the effects of PD-1 deficiency on sorted mouse pulmonary ILC2 Transcriptomes

Project description:Allergic asthma is a leading chronic disease associated with airway hyperreactivity (AHR). Type-2 innate lymphoid cells (ILC2s) are a potent source of T-helper 2 cytokines that promote AHR and lung inflammation. In this study, we evaluated the protective role of PD-1 on the development of AHR by focusing on its capacity to regulate ILC2 activation. We find that PD-1 is highly inducible in pulmonary ILC2s and shapes their transcriptional activity, activation and metabolism. Our findings provide new insights regarding the mechanisms of ILC2 regulation, which could be used in innovative approaches for the treatment of allergic asthma.

2020-07-08 | GSE153909 | GEO

Next Generation Sequencing Facilitates Quantitative Analysis of the implication of LAIR-1 in sorted mouse pulmonary ILC2 Transcriptomes

Project description:Next Generation Sequencing Facilitates Quantitative Analysis of the implication of LAIR-1 in sorted mouse pulmonary ILC2 Transcriptomes

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Next Generation Sequencing Facilitates Quantitative Analysis of the effects of IL-10 production on sorted mouse pulmonary ILC2 Transcriptomes.

Project description:Next Generation Sequencing Facilitates Quantitative Analysis of the effects of IL-10 production on sorted mouse pulmonary ILC2 Transcriptomes.

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Next Generation Sequencing Facilitates Quantitative Analysis of the effects of PD-1 deficiency on sorted mouse pulmonary ILC2 Transcriptomes

Project description:Next Generation Sequencing Facilitates Quantitative Analysis of the effects of PD-1 deficiency on sorted mouse pulmonary ILC2 Transcriptomes

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Next Generation Sequencing Facilitates Quantitative Analysis of the effects of TNFa treatment on sorted mouse lung ILC2 Transcriptomes

Project description:TNFa induces secretion of ILC2 effector cytokines ex vivo. Increased ILC2 activation leads to the development of airway hyperreactiviy and lung inflammation. Targeting TNFa may therefore represent a novel therapeutic target to treat asthma.

2021-07-01 | GSE133672 | GEO

Next Generation Sequencing Facilitates Quantitative Analysis of the effects of lack of autophagy on sorted mouse lung ILC2 Transcriptomes

Project description:Atg5, a key gene of the autophagy can affect ILC2 effector functions ex vivo. Increased ILC2 activation leads to the development of airway hyperreactivity and lung inflammation. Targeting Atg5 (autophagy) may therefore represent a novel therapeutic target to treat asthma.

2020-02-27 | GSE139573 | GEO

Next Generation Sequencing Facilitates Quantitative Analysis of the effects of IL-10 production on sorted mouse pulmonary ILC2 Transcriptomes.

Project description:ILC2s are the dominant innate lymphoid cell population in the lungs at steady state and their release of type-2 cytokines is a central driver in responding eosinophil infiltration and increased airway hyperreactivity (AHR). For the first time, our laboratory has identified a unique subset of ILC2s in the lungs that produces and secretes IL-10, an anti-inflammatory cytokine, upon stimulation with IL-4. Overall this study introduces a novel, IL-4-inducible IL-10-producing population of ILC210s in the lung are naturally present in a high Th2 model of murine asthma. This research introduces a novel, cell-based immunotherapeutic potential of ILC210s that can be modulated by the signlaing transcription factors Blimp-1 and cMAF, as well as by glucose availability, opening new avenues for the treatment of ILC2-dependent airway inflammation.

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Next Generation Sequencing Facilitates Quantitative Analysis of the implication of LAIR-1 in sorted mouse pulmonary ILC2 Transcriptomes

Project description:Type-2 innate lymphoid cells (ILC2s) are central players in type-2 asthma. They initiate eosinophil infiltration and airway hyperreactivity (AHR) through cytokine secretion. Leukocyte-associated immunoglobulin-like receptor 1 (LAIR-1) is an inhibitory receptor considered as immune checkpoint in different inflammatory diseases. Here we assessed the role of LAIR-1 in murine ILC2s. WT and LAIR-1 KO mice were intranasally challenged with IL-33 and pulmonary ILC2s were sorted to perform RNA sequencing. Our results unravel a novel regulatory axis in ILC2s with the capacity to reduce their activation.

2021-04-10 | GSE171819 | GEO

Amino acid availability acts as a metabolic rheostat to determine the magnitude of ILC2 responses - WT ILC2

Project description:Group 2 innate lymphoid cells (ILC2) are functionally poised, tissue-resident lymphocytes that respond rapidly to damage and infection at mucosal barrier sites. ILC2 reside within complex microenvironments where they are subject to cues from both the diet and invading pathogens – including helminths. Emerging evidence suggests ILC2 are acutely sensitive not only to canonical activating signals, but also perturbations in nutrient availability. In the context of helminth infection, we identify amino acid availability as a nutritional cue in regulating ILC2 responses. ILC2 were found to be uniquely pre-primed to import amino acids via the large neutral amino acid transporters Slc7a5 and Slc7a8. Cell-intrinsic deletion of these transporters individually impaired ILC2 expansion, while concurrent loss of both transporters markedly impaired the proliferative and cytokine producing capacity of ILC2. Moreover, amino acid determined the magnitude of ILC2 responses in part via tuning of mTOR. These findings implicate essential amino acids as a metabolic requisite for optimal ILC2 responses within mucosal barrier tissues.

2022-12-22 | PXD038792 | Pride

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