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Combined inhibition of IL-1, IL-33 and IL-36 signaling by targeting IL1RAP ameliorates skin and lung fibrosis in preclinical models of Systemic Sclerosis

ABSTRACT: Combined inhibition of IL-1, IL-33 and IL-36 signaling by targeting IL1RAP ameliorates skin and lung fibrosis in preclinical models of Systemic Sclerosis

PROVIDER: PRJNA1073269 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR27869000_1.fastq.gz	Fastqsanger.gz
	SRR27869000_2.fastq.gz	Fastqsanger.gz
	SRR27869001_1.fastq.gz	Fastqsanger.gz
	SRR27869001_2.fastq.gz	Fastqsanger.gz
	SRR27869002_1.fastq.gz	Fastqsanger.gz

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Combined inhibition of IL-1, IL-33 and IL-36 signaling by targeting IL1RAP ameliorates skin and lung fibrosis in preclinical models of Systemic Sclerosis

Project description:Background: The IL-1 receptor accessory protein (IL1RAP) is an essential co-receptor required for signaling through the IL-1, IL-33 and IL-36 receptors. Here, we investigate the antifibrotic potential of the combined inhibition of these cytokines by an anti-IL1RAP antibody to provide a scientific background for clinical development in systemic sclerosis (SSc). Methods: The expression of IL1RAP-associated signaling molecules was determined by data mining of publicly available RNAseq data as well as by imaging mass cytometry (IMC). Efficacy of therapeutic dosing of anti-IL1RAP antibodies was determined in three complimentary mouse models: chronic sclerodermatous graft-versus-host-disease (cGvHD), bleomycin-induced dermal fibrosis model and topoisomerase-I (topo)-induced fibrosis. Results: SSc skin showed upregulation of IL1RAP and IL1RAP-related signaling molecules on mRNA and protein level compared to normal skin. IL-1, IL-33, and IL-36 all regulate distinct genes sets related to different pathophysiological processes in SSc. The responses of human fibroblasts and endothelial cells to IL-1, IL-33, and IL-36 were completely blocked by treatment with an anti-IL1RAP-antibody in vitro. Moreover, anti-IL1RAP antibody treatment reduced dermal and pulmonary fibrosis in cGvHD-, bleomycin- and topoisomerase-induced fibrosis. Importantly, RNAseq analyses revealed effects of IL1RAP inhibition on multiple processes related to inflammation and fibrosis that are also deregulated in human SSc skin. Conclusion: This study provides first evidence for the therapeutic benefits of targeting of IL1RAP in SSc. Our findings have high translational potential as the anti-IL1RAP antibody CAN10 has recently entered a phase 1 clinical trial.

2024-04-30 | GSE255031 | GEO

IL-36 Amplifies Neutrophilic Lung Inflammation

Project description:IL-36, which belongs to the IL-1 superfamily, is increasingly linked to neutrophilic inflammation. Here, we performed single-cell RNA-seq on an acute LPS mouse model of lung inflammation to provide insights into the intercellular signaling pathways and mechanisms through which IL-36 promotes lung inflammation. We identified neutrophils as a source of IL-36 which provides a rationale for targeting IL-36 to improve treatment of a variety of neutrophilic lung diseases.

2021-01-25 | GSE159161 | GEO

IL-36 Amplifies Neutrophilic Lung Inflammation

Project description:IL-36 Amplifies Neutrophilic Lung Inflammation

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IL-36 and IL-17A Cooperatively Induce a Psoriasis-like Gene Expression Response in Human Keratinocytes

Project description:In this study we tested interactions between IL-36 and IL-17A in human keratinocytes. 24 hours of IL-36 stimulation in keratinocytes promoted IL-36, IL-17C, and characteristic psoriasis-related molecule expressions in normal human epidermal keratinocytes in dose-dependent manners as measured by mRNA and protein quantification.

2021-12-31 | GSE160904 | GEO

IL-36/LXR axis modulates cholesterol metabolism and immune defense to Mycobacterium tuberculosis

Project description:Mycobacterium tuberculosis (Mtb) is a life-threatening pathogen in humans. Bacterial infection of macrophages usually triggers strong innate immune mechanisms, including IL-1 cytokine secretion. The newer member of the IL-1 family, IL-36, was recently shown to be involved in cellular defense against Mtb. To unveil the underlying mechanism of IL-36 induced antibacterial activity, we analyzed its role in the regulation of cholesterol metabolism, together with the involvement of Liver X Receptor (LXR) in this process. Here we report that, in Mtb-infected macrophages, IL-36 signaling modulates cholesterol biosynthesis and efflux via LXR. Moreover, IL-36 induces the expression of cholesterol-converting enzymes and the accumulation of LXR ligands, such as oxysterols. Ultimately, both IL-36 and LXR signaling play a role in the regulation of antimicrobial peptides expression and in Mtb growth restriction. These data provide novel evidence for the importance of IL‑36 and cholesterol metabolism mediated by LXR in cellular host defense against Mtb.

2018-02-14 | GSE103092 | GEO

RNA-seq analysis of IL-1B and IL-36 responses in epidermal keratinocytes identifies a shared MyD88-dependent gene signature

Project description:IL-36 cytokines have recently emerged as mediators of inflammation in autoimmune conditions including psoriasis vulgaris (PsV) and generalized pustular psoriasis (GPP). This study used RNA-seq to profile the transcriptome of primary epidermal keratinocytes (KCs) treated with IL-1B, IL-36A, IL-36B or IL-36G. We identified some early IL-1B-specific responses (8 hours post-treatment), but nearly all late IL-1B responses were replicated by IL-36 cytokines (24 hours post-treatment). Type I and II interferon genes exhibited time-dependent response patterns, with early induction (8 hours) followed by no response or repression (24 hours). Altogether, we identified 225 differentially expressed genes (DEGs) with shared responses to all 4 cytokines at both time points (8 + 24 hours). These involved up-regulation of ligands (IL1A, IL1B, IL36G) and activating proteases (CTSS), but also up-regulation of inhibitors such as IL1RN and IL36RN. Shared IL-1B/IL-36 DEGs overlapped significantly with genes altered in PsV and GPP skin lesions, as well as genes near GWAS loci linked to autoimmune and autoinflammatory diseases (e.g., PsV, psoriatic arthritis, IBD, primary biliary cholangitis). Inactivation of MyD88 adapter protein using CRISPR/Cas9 completely abolished expression responses of such DEGs to IL-1B and IL-36G stimulation. These results provide a global view of IL-1B and IL-36 expression responses in epidermal KCs with fine-scale characterization of time-dependent and cytokine-specific response patterns. Our findings support an important role for IL-1B and IL-36 in autoimmune or autoinflammatory conditions and show that MyD88 adaptor protein mediates shared IL-1B/IL-36 responses.

2018-03-04 | GSE109182 | GEO

Bacteroides thetaiotaomicron ameliorates colon inflammation in preclinical models of Crohn’s Disease

Project description:Bacteroides thetaiotaomicron ameliorates colon inflammation in preclinical models of Crohn’s Disease

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STING inhibition ameliorates inflammation and fibrosis in preclinical models of peritoneal damage

Project description:STING inhibition ameliorates inflammation and fibrosis in preclinical models of peritoneal damage

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Bacteroides thetaiotaomicron ameliorates colon inflammation in preclinical models of Crohn’s Disease [Bacteroides]

Project description:Bacteroides thetaiotaomicron ameliorates colon inflammation in preclinical models of Crohn’s Disease [Bacteroides]

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Quantitative phosphoproteomic analysis of IL-33 mediated signaling

Project description:Interleukin-33 (IL-33) is a novel member of the IL-1 family of cytokines that plays diverse roles in the regulation of immune responses. IL-33 exerts its effects by binding to a heterodimeric receptor complex consisting of interleukin-1 receptor like 1 (IL1RL1) and an accessory receptor protein IL-1RAcP resulting in the production and release of proinflammatory cytokines. A detailed understanding of the signaling pathways activated by IL-33 remains elusive. To elucidate IL-33 mediated signaling, we performed a global quantitative phosphoproteomic analysis using stable isotope labeling by amino acids in cell culture. Employing anti-phosphotyrosine antibodies and titanium dioxide-based enrichment strategies, we identified 6,207 phosphorylation sites mapping to 2,013 phosphoproteins of which more than 185 phosphosites are regulated by IL-33 stimulation. Our findings will greatly expand the understanding of IL-33 signaling and provide novel therapeutic targets for IL-33/IL-33R-associated diseases in humans.

2015-01-29 | PXD000984 | Pride

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