ADAM17-mediated EGFR ligand shedding directs macrophage-promoted cancer cell invasion
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA875032 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR21315215.fastq.gz | Fastqsanger.gz | |||
| SRR21315216.fastq.gz | Fastqsanger.gz | |||
| SRR21315217.fastq.gz | Fastqsanger.gz | |||
| SRR21315218.fastq.gz | Fastqsanger.gz | |||
| SRR21315219.fastq.gz | Fastqsanger.gz |
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Project description:Macrophages in the tumor microenvironment have a substantial impact on tumor progression. Depending on the signaling environment in the tumor, macrophages can either support or constrain tumor progression. It is therefore of therapeutic interest to identify the tumor-derived factors that control macrophage education. With this aim, we correlated the expression of A Disintegrin and Metalloproteinase (ADAM) proteases, which are key mediators of cell-cell signaling, to the expression of protumorigenic macrophage markers in human cancer cohorts. We identified ADAM17, a sheddase upregulated in many cancer types, as a protein of interest. Depletion of ADAM17 in cancer cell lines reduced the expression of several protumorigenic markers in neighboring macrophages in vitro as well as in mouse models. Moreover, ADAM17–/– educated macrophages demonstrated a reduced ability to induce cancer cell invasion. Using mass spectrometry–based proteomics and ELISA, we identified HB-EGF and AREG, shed by ADAM17 in the cancer cells, as the implicated molecular mediators of macrophage education. Additionally, RNA-Seq and ELISA experiments revealed that ADAM17-dependent HB-EGF ligand release induced the expression and secretion of CXCL chemokines in macrophages, which in turn stimulated cancer cell invasion. In conclusion, we provide evidence that ADAM17 mediates a paracrine EGFR-ligand-chemokine feedback loop, whereby cancer cells hijack macrophages to promote tumor progression.
2022-09-02 | GSE212316 | GEO
Project description:Macrophages in the tumor microenvironment have a substantial impact on tumor progression. Depending on the signaling environment in the tumor, macrophages can either support or constrain tumor progression. It is therefore of therapeutic interest to identify the tumor-derived factors that control macrophage education. With this aim, we correlated the expression of A Disintegrin and Metalloproteinase (ADAM) proteases, which are key mediators of cell-cell signaling, to the expression of protumorigenic macrophage markers in human cancer cohorts. We identified ADAM17, a sheddase upregulated in many cancer types, as a protein of interest. Depletion of ADAM17 in cancer cell lines reduced the expression of several protumorigenic markers in neighboring macrophages in vitro as well as in mouse models. Moreover, ADAM17-/- educated macrophages demonstrated a reduced ability to induce cancer cell invasion. Using mass spectrometry-based proteomics and ELISA, we identified heparin-binding EGF (HB-EGF) and amphiregulin, shed by ADAM17 in the cancer cells, as the implicated molecular mediators of macrophage education. Additionally, RNA-Seq and ELISA experiments revealed that ADAM17-dependent HB-EGF ligand release induced the expression and secretion of CXCL chemokines in macrophages, which in turn stimulated cancer cell invasion. In conclusion, we provide evidence that ADAM17 mediates a paracrine EGFR-ligand-chemokine feedback loop, whereby cancer cells hijack macrophages to promote tumor progression.
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Project description:Adam17, a shedding protease, is strongly upregtulated during inflammation and cancer. Here we investigate the genome wide effects of Adam17 knock out on the transcriptome. Mouse tissue samples from n=3 wildtype colon, n=3 Adam17 knockout colon, n=3 wildtype skin and n=3 Adam17 knockout skin were used in the study.
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Project description:Adam17, a shedding protease, is strongly upregtulated during inflammation and cancer. Here we investigate the genome wide effects of Adam17 knock out on the transcriptome.
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Project description:Our study indicates that targeting the PDI-ADAM17 signaling module to regulate the shedding of cytokine receptors by the chemical approach constitutes a novel strategy for alleviating RA
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Project description:Disintegrin and metalloproteinases ADAM10 and ADAM17 can release the extracellular region of a variety of membrane-bound proteins including cytokines, adhesion molecules, growth factors and receptors, important for many biological functions (ectodomain shedding).. So far, substrate identification for ADAM10 and ADAM17 focused exclusively on their membrane-anchored forms and their function as sheddases. With ADAM8 we now describe the first protease capable of releasing the ADAM17 ectodomain. Based on these findings, we investigated whether the soluble ectodomains of ADAM10 and ADAM17 still exhibit shedding activity and to determine their soluble protein substrate pool . To address this, a mass spectrometry-based N-terminomics approach (TAILS) was used to identify potential targets of soluble ADAM10 and ADAM17 (sADAM10/17) within the secretome of the murine cardiomyocyte cell line HL-1. We identified almost 140 protein cleavage events in total and 45 common substrates for both sADAM10 and sADAM17. Further in-vitro studies confirmed fibronectin, cystatin C, sN-cadherin, PCPE-1 as well as sAPP as direct substrates of soluble ADAM10 and/or ADAM17. Overall, we present the first degradome study for sADAM10 and sADAM17, thereby introducing a new regulation mode of the proteolytic activity of these essential proteases within the protease web.
2019-06-24 | PXD013718 | Pride
Project description:Objective: The metalloprotease ADAM17 (also called TACE) plays fundamental roles in homeostasis by shedding key signaling molecules from the cell surface. Although its importance for the immune system and epithelial tissues is well-documented, little is known about the role of ADAM17 in metabolic homeostasis. The purpose of this study was to determine the impact of ADAM17 expression, specifically in adipose tissues, on metabolic homeostasis. Methods: We used histopathology, molecular, proteomic, transcriptomic, in vivo integrative physiological and ex vivo biochemical approaches to determine the impact of adipose tissue-specific deletion of ADAM17 upon adipocyte and whole organism metabolic physiology. Results: ADAM17adipoq-cre mice exhibited a hypermetabolic phenotype characterized by elevated energy consumption and increased levels of adipocyte thermogenic gene expression. On a high fat diet, these mice were more thermogenic, while exhibiting elevated expression levels of genes associated with lipid oxidation and lipolysis. This hypermetabolic phenotype protected mutant mice from obesogenic challenge, limiting weight gain, hepatosteatosis and insulin resistance. Activation of beta-adrenoceptors by the neurotransmitter norepinephrine, a key regulator of adipocyte physiology, triggered the shedding of ADAM17 substrates, and regulated ADAM17 expression at the mRNA and protein levels, hence identifying a functional connection between thermogenic licensing and the regulation of ADAM17. Proteomic studies identified Semaphorin 4B (SEMA4B), as a novel ADAM17-shed adipokine, whose expression is regulated by physiological thermogenic cues, that acts to inhibit adipocyte differentiation and dampen thermogenic responses in adipocytes. Transcriptomic data showed that cleaved SEMA4B acts in an autocrine manner in brown adipocytes to dampen the expression of genes involved in thermogenesis, adipogenesis, and lipid uptake, storage and catabolism. Conclusion: Our findings identify a novel ADAM17-dependent axis, regulated by beta-adrenoceptors and mediated by the ADAM17-cleaved form of SEMA4B, that modulates energy balance in adipocytes by inhibiting adipocyte differentiation, thermogenesis and lipid catabolism.
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Project description:Macrophages in the tumor microenvironment have a significant impact on tumor progression. Depending on the signaling environment in the tumor, macrophages can either support or constrain tumor growth and metastasis. It is therefore of therapeutic interest to identify the tumor-derived factors that control macrophage education. With this aim, we correlated the expression of ADAM proteases, which are key mediators of cell-cell signaling, to the expression of pro-tumorigenic macrophage markers in human cancer cohorts. We identified ADAM17, a sheddase upregulated in many cancer types, as a protein of interest. Depletion of ADAM17 in cancer cell lines reduced the expression of several pro-tumorigenic markers in neighboring macrophages in vitro as well as in mouse tumor models. Accordingly, ADAM17-/- educated macrophages demonstrated a reduced ability to induce cancer cell invasion. Using quantitative mass spectrometry-based proteomics, we identified HB-EGF, shed by ADAM17 in the cancer cells, as the implicated molecular mediator of macrophage education. Additionally, RNA-seq and ELISA experiments revealed that ADAM17-dependent HB-EGF release induces the expression and secretion of CXCL chemokines in macrophages, which in turn stimulates cancer cell invasion. In conclusion, we provide evidence that ADAM17 mediates a paracrine HB-EGF-chemokine feedback loop, whereby cancer cells hijack macrophages to promote tumor progression.
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Project description:CD8+ T cell immune responses are regulated by multi-layer networks, while the post-translational regulations remain largely unknown. Transmembrane ectodomain shedding is an important post-translational process regulating receptor expression and signal transduction by proteolytic cleavage of membrane proteins. Here, by targeting sheddase A Disintegrin and Metalloprotease (ADAM)17, we defined a post-translational regulatory mechanism mediated by ectodomain shedding in CD8+ T cells. Transcriptomic and proteomic analysis revealed the involvement of post-transcriptional/translational regulations in CD8+ T cells. T cell-specific deletion of ADAM17 led to a dramatic increase of effector CD8+ T cell differentiation and enhanced cytolytic effects to eliminate pathogens and tumors. Mechanistically, ADAM17 regulated CD8+ T cells by cleavage of membrane CD122. ADAM17 deficient CD8+ T cells had elevated CD122 expression and response to cytokines IL-2 and IL-15. Intriguingly, inhibition of ADAM17 in CD8+ T cells improved the efficacy of chimeric antigen receptor (CAR) T cells in solid tumor. Our findings reveal a critical post-translational regulation in CD8+ T cells, providing a potential therapeutic strategy of targeting ADAM17 for effective anti-tumor immunity. We then performed gene expression profiling analysis using data obtained from RNA-seq of 10 samples from two groups.
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Project description:Acute and chronic pancreatitis, the latter associated with fibrosis, are multifactorial inflammatory disorders and leading causes of gastrointestinal disease-related hospitalisation, including death. Despite the global health burden of pancreatitis, currently there are no effective therapeutic agents. In this regard, the protease A Disintegrin And Metalloproteinase 17 (ADAM17) mediates inflammatory responses through shedding of bioactive inflammatory cytokines and mediators, including tumour necrosis factor α (TNFα) and the soluble interleukin (IL)-6 receptor (sIL-6R), the latter of which drives proinflammatory IL-6 trans-signalling. However, the role of ADAM17 in pancreatitis is unclear. To address this, Adam17ex/ex mice – which are homozygous for the hypomorphic Adam17ex allele resulting in marked reduction in ADAM17 expression – and their wild-type (WT) littermates were exposed to the cerulein-induced acute pancreatitis model, and acute (1-week) and chronic (20-weeks) pancreatitis models induced by the cigarette smoke carcinogen nicotine-derived nitrosamine ketone (NNK). Our data reveal that ADAM17 expression was upregulated in pancreatic tissues of animal models of pancreatitis. Moreover, the genetic (Adam17ex/ex mice) and therapeutic (ADAM17 prodomain inhibitor; A17pro) targeting of ADAM17 ameliorated experimental pancreatitis, which was associated with a reduction in the IL-6 trans-signalling/STAT3 axis. This led to reduced inflammatory cell infiltration, including T cells and neutrophils, as well as necrosis and fibrosis in the pancreas. Furthermore, upregulation of the ADAM17/IL-6 trans-signalling/STAT3 axis was a feature of pancreatitis patients. Collectively, our findings indicate that the ADAM17 protease plays a pivotal role in the pathogenesis of pancreatitis, which could pave the way for devising novel therapeutic options to be deployed against this disease.
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