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

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

PROVIDER: PRJNA720965 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR14200980.fastq.gz	Fastqsanger.gz
	SRR14200981.fastq.gz	Fastqsanger.gz
	SRR14200982.fastq.gz	Fastqsanger.gz
	SRR14200983.fastq.gz	Fastqsanger.gz
	SRR14200984.fastq.gz	Fastqsanger.gz

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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

Next Generation Sequencing Facilitates Quantitative Analysis of the implication of LAIR-1 in sorted lung macrophage Transcriptomes

Project description:Recent studies reported the inhibitory properties of LAIR-1 in different inflammatory diseases, including allergic and viral airway inflammation. However, the implication of LAIR-1 in ALI/ARDS remains unknown. Poly(I:C), a synthetic analog of (ds)RNA was administrated intranasally to mimic acute inflammation in viral infections and therefore induce experimental ALI/ARDS. RNA sequencing approach was used to explore and compare lung macrophage transcriptomic profiles in wild-type and LAIR-1 knock-out mice.

2023-09-01 | GSE216259 | 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 lung macrophage Transcriptomes

Project description:Next Generation Sequencing Facilitates Quantitative Analysis of the implication of LAIR-1 in sorted lung macrophage Transcriptomes

| PRJNA892881 | ENA

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.

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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.

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The effect of LAIR-1 ligation on naïve CD8 T cells

Project description:To assess the role of LAIR-1 signalling on CD3 stimulated CD8 T cells, we ligated LAIR-1 on CD8 T cells during CD3 mediated CD8 T cell stimulation

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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 CD200R engagment on sorted mouse pulmonary ILC2 Transcriptomes.

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

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