101
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Huang H. Proteolytic Cleavage of Receptor Tyrosine Kinases. Biomolecules 2021; 11:biom11050660. [PMID: 33947097 PMCID: PMC8145142 DOI: 10.3390/biom11050660] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 04/15/2021] [Accepted: 04/26/2021] [Indexed: 01/18/2023] Open
Abstract
The receptor tyrosine kinases (RTKs) are a large family of cell-surface receptors, which are essential components of signal transduction pathways. There are more than fifty human RTKs that can be grouped into multiple RTK subfamilies. RTKs mediate cellular signaling transduction, and they play important roles in the regulation of numerous cellular processes. The dysregulation of RTK signaling is related to various human diseases, including cancers. The proteolytic cleavage phenomenon has frequently been found among multiple receptor tyrosine kinases. More and more information about proteolytic cleavage in RTKs has been discovered, providing rich insight. In this review, we summarize research about different aspects of RTK cleavage, including its relation to cancer, to better elucidate this phenomenon. This review also presents proteolytic cleavage in various members of the RTKs.
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Affiliation(s)
- Hao Huang
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; or
- Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA
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102
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ADAM17 Inhibition Increases the Impact of Cisplatin Treatment in Ovarian Cancer Spheroids. Cancers (Basel) 2021; 13:cancers13092039. [PMID: 33922533 PMCID: PMC8122950 DOI: 10.3390/cancers13092039] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 04/15/2021] [Accepted: 04/22/2021] [Indexed: 12/12/2022] Open
Abstract
Simple Summary Ovarian cancer (OvCa) treatment is still a challenge, mainly due to acquired resistance mechanisms during the course of chemotherapy. Here, we show the enhanced cytotoxicity of the combined treatment with the ADAM17 inhibitor GW280264X and cisplatin in comparison with cisplatin monotherapy. This effect was visible in five of five ovarian cancer cell lines grown as a monolayer and two of three tested cell lines in three-dimensional tumor spheroids. Tumor spheroids derived from primary tumor and ascites cells were sensitized to cisplatin treatment by GW280264X. In summary, the combination of ADAM17 inhibition with conventional chemotherapy seems to be a promising strategy to overcome chemotherapy resistance in OvCa. Abstract Chemotherapy resistance is a major challenge in ovarian cancer (OvCa). Thus, novel treatment combinations are highly warranted. However, many promising drug candidates tested in two-dimensional (2D) cell culture have not proved successful in the clinic. For this reason, we analyzed our drug combination not only in monolayers but also in three-dimensional (3D) tumor spheroids. One potential therapeutic target for OvCa is A disintegrin and metalloprotease 17 (ADAM17). ADAM17 can be activated by chemotherapeutics, which leads to enhanced tumor growth due to concomitant substrate cleavage. Therefore, blocking ADAM17 during chemotherapy may overcome resistance. Here, we tested the effect of the ADAM17 inhibitor GW280264X in combination with cisplatin on ovarian cancer cells in 2D and 3D. In 2D, the effect on five cell lines was analyzed with two readouts. Three of these cell lines formed dense aggregates or spheroids (HEY, SKOV-3, and OVCAR-8) in 3D and the treatment effect was analyzed with a multicontent readout (cytotoxicity, viability, and caspase3/7 activation). We tested the combined therapy on tumor spheroids derived from primary patient cells. In 2D, we found a significant reduction in the half minimal (50%) inhibitory concentration (IC50) value of the combined treatment (GW280264X plus cisplatin) in comparison with cisplatin monotherapy in all five cell lines with both 2D readout assays (viability and caspase activation). In contrast, the combined treatment only showed an IC50 reduction in HEY and OVCAR-8 3D tumor spheroid models using caspase3/7 activity or CelltoxTM Green as the readout. Finally, we found an improved effect of GW280264X with cisplatin in tumor spheroids derived from patient samples. In summary, we demonstrate that ADAM17 inhibition is a promising treatment strategy in ovarian cancer.
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Antibody Screening System Using a Herpes Simplex Virus (HSV)-Based Probe To Identify a Novel Target for Receptor-Retargeted Oncolytic HSVs. J Virol 2021; 95:JVI.01766-20. [PMID: 33627393 DOI: 10.1128/jvi.01766-20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 02/07/2021] [Indexed: 12/13/2022] Open
Abstract
Herpes simplex virus (HSV) is a promising tool for developing oncolytic virotherapy. We recently reported a platform for receptor-retargeted oncolytic HSVs that incorporates single-chain antibodies (scFvs) into envelope glycoprotein D (gD) to mediate virus entry via tumor-associated antigens. Therefore, it would be useful to develop an efficient system that can screen antibodies that might mediate HSV entry when they are incorporated as scFvs into gD. We created an HSV-based screening probe by the genetic fusion of a gD mutant with ablated binding capability to the authentic HSV entry receptors and the antibody-binding C domain of streptococcal protein G. This engineered virus failed to enter cells through authentic receptors. In contrast, when this virus was conjugated with an antibody specific to an antigen on the cell membrane, it specifically entered cells expressing the cognate antigen. This virus was used as a probe to identify antibodies that mediate virus entry via recognition of certain molecules on the cell membrane other than authentic receptors. Using this method, we identified an antibody specific to epiregulin (EREG), which has been investigated mainly as a secreted growth factor and not necessarily for its precursor that is expressed in a transmembrane form. We constructed an scFv from the anti-EREG antibody for insertion into the retargeted HSV platform and found that the recombinant virus entered cells specifically through EREG expressed by the cells. This novel antibody-screening system may contribute to the discovery of unique and unexpected molecules that might be used for the entry of receptor-retargeted oncolytic HSVs.IMPORTANCE The tropism of the cellular entry of HSV is dependent on the binding of the envelope gD to one of its authentic receptors. This can be fully retargeted to other receptors by inserting scFvs into gD with appropriate modifications. In theory, upon binding to the engineered gD, receptors other than authentic receptors should induce a conformational change in the gD, which activates downstream mechanisms required for viral entry. However, prerequisite factors for receptors to be used as targets of a retargeted virus remain poorly understood, and it is difficult to predict which molecules might be suitable for our retargeted HSV construct. Our HSV-based probe will allow unbiased screening of antibody-antigen pairs that mediate virus entry and might be a useful tool to identify suitable pairs for our construct and to enhance our understanding of virus-cell interactions during infection by HSV and possibly other viruses.
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Trop-2 cleavage by ADAM10 is an activator switch for cancer growth and metastasis. Neoplasia 2021; 23:415-428. [PMID: 33839455 PMCID: PMC8042651 DOI: 10.1016/j.neo.2021.03.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 03/10/2021] [Accepted: 03/12/2021] [Indexed: 12/22/2022] Open
Abstract
Trop-2 is a transmembrane signal transducer that can induce cancer growth. Using antibody targeting and N-terminal Edman degradation, we show here that Trop-2 undergoes cleavage in the first thyroglobulin domain loop of its extracellular region, between residues R87 and T88. Molecular modeling indicated that this cleavage induces a profound rearrangement of the Trop-2 structure, which suggested a deep impact on its biological function. No Trop-2 cleavage was detected in normal human tissues, whereas most tumors showed Trop-2 cleavage, including skin, ovary, colon, and breast cancers. Coimmunoprecipitation and mass spectrometry analysis revealed that ADAM10 physically interacts with Trop-2. Immunofluorescence/confocal time-lapse microscopy revealed that the two molecules broadly colocalize at the cell membrane. We show that ADAM10 inhibitors, siRNAs and shRNAs abolish the processing of Trop-2, which indicates that ADAM10 is an effector protease. Proteolysis of Trop-2 at R87-T88 triggered cancer cell growth both in vitro and in vivo. A corresponding role was shown for metastatic spreading of colon cancer, as the R87A-T88A Trop-2 mutant abolished xenotransplant metastatic dissemination. Activatory proteolysis of Trop-2 was recapitulated in primary human breast cancers. Together with the prognostic impact of Trop-2 and ADAM10 on cancers of the skin, ovary, colon, lung, and pancreas, these data indicate a driving role of this activatory cleavage of Trop-2 on malignant progression of tumors.
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105
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Dixit G, Schanz W, Pappas BA, Maretzky T. Members of the Fibroblast Growth Factor Receptor Superfamily Are Proteolytically Cleaved by Two Differently Activated Metalloproteases. Int J Mol Sci 2021; 22:ijms22063165. [PMID: 33804608 PMCID: PMC8003738 DOI: 10.3390/ijms22063165] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 03/12/2021] [Accepted: 03/17/2021] [Indexed: 12/11/2022] Open
Abstract
Fibroblast growth factor receptors (FGFRs) are a family of receptor tyrosine kinases that have been associated not only with various cellular processes, such as embryonic development and adult wound healing but also enhanced tumor survival, angiogenesis, and metastatic spread. Proteolytic cleavage of these single-pass transmembrane receptors has been suggested to regulate biological activities of their ligands during growth and development, yet little is known about the proteases responsible for this process. In this study, we monitored the release of membrane-anchored FGFRs 1, 2, 3, and 4 in cell-based assays. We demonstrate here that metalloprotease-dependent metalloprotease family, ADAM10 and ADAM17. Loss- and gain-of-function studies in murine embryonic fibroblasts showed that constitutive shedding as well as phorbol-ester-induced processing of FGFRs 1, 3, and 4 is mediated by ADAM17. In contrast, treatment with the calcium ionophore ionomycin stimulated ADAM10-mediated FGFR2 shedding. Cell migration assays with keratinocytes in the presence or absence of soluble FGFRs suggest that ectodomain shedding can modulate the function of ligand-induced FGFR signaling during cell movement. Our data identify ADAM10 and ADAM17 as differentially regulated FGFR membrane sheddases and may therefore provide new insight into the regulation of FGFR functions.
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Affiliation(s)
- Garima Dixit
- Inflammation Program, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA; (G.D.); (W.S.); (B.A.P.)
- Department of Internal Medicine, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
| | - Willow Schanz
- Inflammation Program, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA; (G.D.); (W.S.); (B.A.P.)
| | - Benjamin A. Pappas
- Inflammation Program, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA; (G.D.); (W.S.); (B.A.P.)
| | - Thorsten Maretzky
- Inflammation Program, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA; (G.D.); (W.S.); (B.A.P.)
- Department of Internal Medicine, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
- Immunology Graduate Program, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
- Holden Comprehensive Cancer Center, University of Iowa, Iowa City, IA 52242, USA
- Correspondence:
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Vizovisek M, Ristanovic D, Menghini S, Christiansen MG, Schuerle S. The Tumor Proteolytic Landscape: A Challenging Frontier in Cancer Diagnosis and Therapy. Int J Mol Sci 2021; 22:ijms22052514. [PMID: 33802262 PMCID: PMC7958950 DOI: 10.3390/ijms22052514] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 02/24/2021] [Accepted: 02/25/2021] [Indexed: 02/06/2023] Open
Abstract
In recent decades, dysregulation of proteases and atypical proteolysis have become increasingly recognized as important hallmarks of cancer, driving community-wide efforts to explore the proteolytic landscape of oncologic disease. With more than 100 proteases currently associated with different aspects of cancer development and progression, there is a clear impetus to harness their potential in the context of oncology. Advances in the protease field have yielded technologies enabling sensitive protease detection in various settings, paving the way towards diagnostic profiling of disease-related protease activity patterns. Methods including activity-based probes and substrates, antibodies, and various nanosystems that generate reporter signals, i.e., for PET or MRI, after interaction with the target protease have shown potential for clinical translation. Nevertheless, these technologies are costly, not easily multiplexed, and require advanced imaging technologies. While the current clinical applications of protease-responsive technologies in oncologic settings are still limited, emerging technologies and protease sensors are poised to enable comprehensive exploration of the tumor proteolytic landscape as a diagnostic and therapeutic frontier. This review aims to give an overview of the most relevant classes of proteases as indicators for tumor diagnosis, current approaches to detect and monitor their activity in vivo, and associated therapeutic applications.
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107
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Pereira Vatanabe I, Peron R, Mantellatto Grigoli M, Pelucchi S, De Cesare G, Magalhães T, Manzine PR, Figueredo Balthazar ML, Di Luca M, Marcello E, Cominetti MR. ADAM10 Plasma and CSF Levels Are Increased in Mild Alzheimer's Disease. Int J Mol Sci 2021; 22:ijms22052416. [PMID: 33670873 PMCID: PMC7957802 DOI: 10.3390/ijms22052416] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 02/24/2021] [Accepted: 02/25/2021] [Indexed: 01/03/2023] Open
Abstract
ADAM10 is the main α-secretase that participates in the non-amyloidogenic cleavage of amyloid precursor protein (APP) in neurons, inhibiting the production of β-amyloid peptide (Aβ) in Alzheimer’s disease (AD). Strong recent evidence indicates the importance of the localization of ADAM10 for its activity as a protease. In this study, we investigated ADAM10 activity in plasma and CSF samples of patients with amnestic mild cognitive impairment (aMCI) and mild AD compared with cognitively healthy controls. Our results indicated that plasma levels of soluble ADAM10 were significantly increased in the mild AD group, and that in these samples the protease was inactive, as determined by activity assays. The same results were observed in CSF samples, indicating that the increased plasma ADAM10 levels reflect the levels found in the central nervous system. In SH-SY5Y neuroblastoma cells, ADAM10 achieves its major protease activity in the fraction obtained from plasma membrane lysis, where the mature form of the enzyme is detected, confirming the importance of ADAM10 localization for its activity. Taken together, our results demonstrate the potential of plasma ADAM10 to act as a biomarker for AD, highlighting its advantages as a less invasive, easier, faster, and lower-cost processing procedure, compared to existing biomarkers.
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Affiliation(s)
- Izabela Pereira Vatanabe
- Department of Gerontology, Federal University of São Carlos, São Carlos 13565-905, Brazil; (I.P.V.); (R.P.); (M.M.G.); (P.R.M.)
| | - Rafaela Peron
- Department of Gerontology, Federal University of São Carlos, São Carlos 13565-905, Brazil; (I.P.V.); (R.P.); (M.M.G.); (P.R.M.)
| | - Marina Mantellatto Grigoli
- Department of Gerontology, Federal University of São Carlos, São Carlos 13565-905, Brazil; (I.P.V.); (R.P.); (M.M.G.); (P.R.M.)
| | - Silvia Pelucchi
- Department of Pharmacological and Biomolecular Sciences, Universitá Degli Studi di Milano, 20133 Milan, Italy; (S.P.); (G.D.C.); (M.D.L.)
| | - Giulia De Cesare
- Department of Pharmacological and Biomolecular Sciences, Universitá Degli Studi di Milano, 20133 Milan, Italy; (S.P.); (G.D.C.); (M.D.L.)
| | - Thamires Magalhães
- Department of Neurology, University of Campinas, Campinas 13083-887, Brazil; (T.M.); (M.L.F.B.)
| | - Patricia Regina Manzine
- Department of Gerontology, Federal University of São Carlos, São Carlos 13565-905, Brazil; (I.P.V.); (R.P.); (M.M.G.); (P.R.M.)
| | | | - Monica Di Luca
- Department of Pharmacological and Biomolecular Sciences, Universitá Degli Studi di Milano, 20133 Milan, Italy; (S.P.); (G.D.C.); (M.D.L.)
| | - Elena Marcello
- Department of Pharmacological and Biomolecular Sciences, Universitá Degli Studi di Milano, 20133 Milan, Italy; (S.P.); (G.D.C.); (M.D.L.)
- Correspondence: (E.M.); (M.R.C.); Tel.: +39-02-5031-8314 (E.M.); +55-16-3306-6663 (M.R.C.)
| | - Marcia Regina Cominetti
- Department of Gerontology, Federal University of São Carlos, São Carlos 13565-905, Brazil; (I.P.V.); (R.P.); (M.M.G.); (P.R.M.)
- Correspondence: (E.M.); (M.R.C.); Tel.: +39-02-5031-8314 (E.M.); +55-16-3306-6663 (M.R.C.)
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Analysis of the Conditions That Affect the Selective Processing of Endogenous Notch1 by ADAM10 and ADAM17. Int J Mol Sci 2021; 22:ijms22041846. [PMID: 33673337 PMCID: PMC7918056 DOI: 10.3390/ijms22041846] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 02/10/2021] [Accepted: 02/10/2021] [Indexed: 12/21/2022] Open
Abstract
Notch signaling is critical for controlling a variety of cell fate decisions during metazoan development and homeostasis. This unique, highly conserved signaling pathway relies on cell-to-cell contact, which triggers the proteolytic release of the cytoplasmic domain of the membrane-anchored transcription factor Notch from the membrane. A disintegrin and metalloproteinase (ADAM) proteins are crucial for Notch activation by processing its S2 site. While ADAM10 cleaves Notch1 under physiological, ligand-dependent conditions, ADAM17 mainly cleaves Notch1 under ligand-independent conditions. However, the mechanism(s) that regulate the distinct contributions of these ADAMs in Notch processing remain unclear. Using cell-based assays in mouse embryonic fibroblasts (mEFs) lacking ADAM10 and/or ADAM17, we aimed to clarify what determines the relative contributions of ADAM10 and ADAM17 to ligand-dependent or ligand-independent Notch processing. We found that EDTA-stimulated ADAM17-dependent Notch1 processing is rapid and requires the ADAM17-regulators iRhom1 and iRhom2, whereas the Delta-like 4-induced ligand-dependent Notch1 processing is slower and requires ADAM10. The selectivity of ADAM17 for EDTA-induced Notch1 processing can most likely be explained by a preference for ADAM17 over ADAM10 for the Notch1 cleavage site and by the stronger inhibition of ADAM10 by EDTA. The physiological ADAM10-dependent processing of Notch1 cannot be compensated for by ADAM17 in Adam10-/- mEFs, or by other ADAMs shown here to be able to cleave the Notch1 cleavage site, such as ADAMs9, 12, and 19. Collectively, these results provide new insights into the mechanisms underlying the substrate selectivity of ADAM10 and ADAM17 towards Notch1.
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109
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Ritchie S, Reed DA, Pereira BA, Timpson P. The cancer cell secretome drives cooperative manipulation of the tumour microenvironment to accelerate tumourigenesis. Fac Rev 2021; 10:4. [PMID: 33659922 PMCID: PMC7894270 DOI: 10.12703/r/10-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Cellular secretions are a fundamental aspect of cell-cell and cell-matrix interactions in vivo. In malignancy, cancer cells have an aberrant secretome compared to their non-malignant counterparts, termed the "cancer cell secretome". The cancer cell secretome can influence every stage of the tumourigenic cascade. At the primary site, cancer cells can secrete a multitude of factors that facilitate invasion into surrounding tissue, allowing interaction with the local tumour microenvironment (TME), driving tumour development and progression. In more advanced disease, the cancer cell secretome can be involved in extravasation and metastasis, including metastatic organotropism, pre-metastatic niche (PMN) preparation, and metastatic outgrowth. In this review, we will explore the latest advances in the field of cancer cell secretions, including its dynamic and complex role in activating the TME and potentiating invasion and metastasis, with comments on how these secretions may also promote therapy resistance.
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Affiliation(s)
- Shona Ritchie
- The Kinghorn Cancer Centre, Garvan Institute of Medical Research, Sydney, New South Wales 2010, Australia
- St. Vincent's Clinical School, Faculty of Medicine, University of New South Wales, Sydney, New South Wales 2010, Australia
| | - Daniel A Reed
- The Kinghorn Cancer Centre, Garvan Institute of Medical Research, Sydney, New South Wales 2010, Australia
- St. Vincent's Clinical School, Faculty of Medicine, University of New South Wales, Sydney, New South Wales 2010, Australia
| | - Brooke A Pereira
- The Kinghorn Cancer Centre, Garvan Institute of Medical Research, Sydney, New South Wales 2010, Australia
- St. Vincent's Clinical School, Faculty of Medicine, University of New South Wales, Sydney, New South Wales 2010, Australia
| | - Paul Timpson
- The Kinghorn Cancer Centre, Garvan Institute of Medical Research, Sydney, New South Wales 2010, Australia
- St. Vincent's Clinical School, Faculty of Medicine, University of New South Wales, Sydney, New South Wales 2010, Australia
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110
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Seifert A, Düsterhöft S, Wozniak J, Koo CZ, Tomlinson MG, Nuti E, Rossello A, Cuffaro D, Yildiz D, Ludwig A. The metalloproteinase ADAM10 requires its activity to sustain surface expression. Cell Mol Life Sci 2021; 78:715-732. [PMID: 32372373 PMCID: PMC7873107 DOI: 10.1007/s00018-020-03507-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 03/05/2020] [Accepted: 03/17/2020] [Indexed: 12/25/2022]
Abstract
The metalloproteinase ADAM10 critically contributes to development, inflammation, and cancer and can be controlled by endogenous or synthetic inhibitors. Here, we demonstrate for the first time that loss of proteolytic activity of ADAM10 by either inhibition or loss of function mutations induces removal of the protease from the cell surface and the whole cell. This process is temperature dependent, restricted to mature ADAM10, and associated with an increased internalization, lysosomal degradation, and release of mature ADAM10 in extracellular vesicles. Recovery from this depletion requires de novo synthesis. Functionally, this is reflected by loss and recovery of ADAM10 substrate shedding. Finally, ADAM10 inhibition in mice reduces systemic ADAM10 levels in different tissues. Thus, ADAM10 activity is critically required for its surface expression in vitro and in vivo. These findings are crucial for development of therapeutic ADAM10 inhibition strategies and may showcase a novel, physiologically relevant mechanism of protease removal due to activity loss.
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Affiliation(s)
- Anke Seifert
- Institute of Molecular Pharmacology, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Stefan Düsterhöft
- Institute of Molecular Pharmacology, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Justyna Wozniak
- Institute of Molecular Pharmacology, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Chek Z Koo
- School of Biosciences, University of Birmingham, Birmingham, UK
| | | | - Elisa Nuti
- Department of Pharmacy, University of Pisa, Pisa, Italy
| | | | | | - Daniela Yildiz
- Institute of Molecular Pharmacology, Medical Faculty, RWTH Aachen University, Aachen, Germany
- Institute of Experimental and Clinical Pharmacology and Toxicology, PZMS, ZHMB, Saarland University, Homburg, Germany
| | - Andreas Ludwig
- Institute of Molecular Pharmacology, Medical Faculty, RWTH Aachen University, Aachen, Germany.
- Institute of Pharmacology and Toxicology, RWTH Aachen University, Pauwelsstr. 30, 52074, Aachen, Germany.
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111
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Geesala R, Issuree PD, Maretzky T. The Role of iRhom2 in Metabolic and Cardiovascular-Related Disorders. Front Cardiovasc Med 2020; 7:612808. [PMID: 33330676 PMCID: PMC7732453 DOI: 10.3389/fcvm.2020.612808] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 10/29/2020] [Indexed: 12/12/2022] Open
Abstract
Chronic obesity is associated with metabolic imbalance leading to diabetes, dyslipidemia, and cardiovascular diseases (CVDs), in which inflammation is caused by exposure to inflammatory stimuli, such as accumulating sphingolipid ceramides or intracellular stress. This inflammatory response is likely to be prolonged by the effects of dietary and blood cholesterol, thereby leading to chronic low-grade inflammation and endothelial dysfunction. Elevated levels of pro-inflammatory cytokines such as tumor necrosis factor (TNF) are predictive of CVDs and have been widely studied for potential therapeutic strategies. The release of TNF is controlled by a disintegrin and metalloprotease (ADAM) 17 and both are positively associated with CVDs. ADAM17 also cleaves most of the ligands of the epidermal growth factor receptor (EGFR) which have been associated with hypertension, atherogenesis, vascular dysfunction, and cardiac remodeling. The inactive rhomboid protein 2 (iRhom2) regulates the ADAM17-dependent shedding of TNF in immune cells. In addition, iRhom2 also regulates the ADAM17-mediated cleavage of EGFR ligands such as amphiregulin and heparin-binding EGF-like growth factor. Targeting iRhom2 has recently become a possible alternative therapeutic strategy in chronic inflammatory diseases such as lupus nephritis and rheumatoid arthritis. However, what role this intriguing interacting partner of ADAM17 plays in the vasculature and how it functions in the pathologies of obesity and associated CVDs, are exciting questions that are only beginning to be elucidated. In this review, we discuss the role of iRhom2 in cardiovascular-related pathologies such as atherogenesis and obesity by providing an evaluation of known iRhom2-dependent cellular and inflammatory pathways.
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Affiliation(s)
- Ramasatyaveni Geesala
- Inflammation Program, Department of Internal Medicine, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA, United States
| | - Priya D Issuree
- Inflammation Program, Department of Internal Medicine, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA, United States
| | - Thorsten Maretzky
- Inflammation Program, Department of Internal Medicine, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA, United States.,Department of Internal Medicine, Holden Comprehensive Cancer Center, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA, United States
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Fang R, Haxaire C, Otero M, Lessard S, Weskamp G, McIlwain DR, Mak TW, Lichtenthaler SF, Blobel CP. Role of iRhoms 1 and 2 in Endochondral Ossification. Int J Mol Sci 2020; 21:ijms21228732. [PMID: 33227998 PMCID: PMC7699240 DOI: 10.3390/ijms21228732] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 11/10/2020] [Accepted: 11/12/2020] [Indexed: 12/18/2022] Open
Abstract
Growth of the axial and appendicular skeleton depends on endochondral ossification, which is controlled by tightly regulated cell–cell interactions in the developing growth plates. Previous studies have uncovered an important role of a disintegrin and metalloprotease 17 (ADAM17) in the normal development of the mineralized zone of hypertrophic chondrocytes during endochondral ossification. ADAM17 regulates EGF-receptor signaling by cleaving EGFR-ligands such as TGFα from their membrane-anchored precursor. The activity of ADAM17 is controlled by two regulatory binding partners, the inactive Rhomboids 1 and 2 (iRhom1, 2), raising questions about their role in endochondral ossification. To address this question, we generated mice lacking iRhom2 (iR2−/−) with floxed alleles of iRhom1 that were specifically deleted in chondrocytes by Col2a1-Cre (iR1∆Ch). The resulting iR2−/−iR1∆Ch mice had retarded bone growth compared to iR2−/− mice, caused by a significantly expanded zone of hypertrophic mineralizing chondrocytes in the growth plate. Primary iR2−/−iR1∆Ch chondrocytes had strongly reduced shedding of TGFα and other ADAM17-dependent EGFR-ligands. The enlarged zone of mineralized hypertrophic chondrocytes in iR2−/−iR1∆Ch mice closely resembled the abnormal growth plate in A17∆Ch mice and was similar to growth plates in Tgfα−/− mice or mice with EGFR mutations. These data support a model in which iRhom1 and 2 regulate bone growth by controlling the ADAM17/TGFα/EGFR signaling axis during endochondral ossification.
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Affiliation(s)
- Renpeng Fang
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008, China;
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery at Weill Cornell Medicine, New York, NY 10021, USA; (C.H.); (G.W.)
| | - Coline Haxaire
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery at Weill Cornell Medicine, New York, NY 10021, USA; (C.H.); (G.W.)
| | - Miguel Otero
- Orthopedic Soft Tissue Research Program, Hospital for Special Surgery at Weill Cornell Medicine, New York, NY 10021, USA; (M.O.); (S.L.)
| | - Samantha Lessard
- Orthopedic Soft Tissue Research Program, Hospital for Special Surgery at Weill Cornell Medicine, New York, NY 10021, USA; (M.O.); (S.L.)
| | - Gisela Weskamp
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery at Weill Cornell Medicine, New York, NY 10021, USA; (C.H.); (G.W.)
| | - David R. McIlwain
- Baxter Laboratory in Stem Cell Biology, Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA;
| | - Tak W. Mak
- Campbell Family Institute for Breast Cancer Research, Ontario Cancer Institute, University Health Network, Toronto, ON M5G 2M9, Canada;
| | - Stefan F. Lichtenthaler
- German Center for Neurodegenerative Diseases (DZNE), 81377 Munich, Germany;
- Neuroproteomics, School of Medicine, Klinikum rechts der Isar, Technical University of Munich, 81675 Munich, Germany
- Munich Cluster for Systems Neurology (SyNergy), 81377 Munich, Germany
- Institute for Advanced Study, Technische Universität München, 85748 Garching, Germany
| | - Carl P. Blobel
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery at Weill Cornell Medicine, New York, NY 10021, USA; (C.H.); (G.W.)
- Institute for Advanced Study, Technische Universität München, 85748 Garching, Germany
- Department of Medicine, Department of Biophysics, Physiology and Systems Biology, Weill Cornell Medicine, New York, NY 10021, USA
- Correspondence: ; Tel.: +212-606-1429; Fax: +212-774-2560
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113
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Ni P, Clinkenbeard EL, Noonan ML, Richardville JM, McClintick J, Hato T, Janosevic D, Cheng YH, El-Achkar TM, Eadon MT, Dagher PC, White KE. Targeting fibroblast growth factor 23-responsive pathways uncovers controlling genes in kidney mineral metabolism. Kidney Int 2020; 99:598-608. [PMID: 33159963 DOI: 10.1016/j.kint.2020.10.024] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 09/21/2020] [Accepted: 10/09/2020] [Indexed: 12/17/2022]
Abstract
Fibroblast Growth Factor 23 (FGF23) is a bone-derived hormone that reduces kidney phosphate reabsorption and 1,25(OH)2 vitamin D synthesis via its required co-receptor alpha-Klotho. To identify novel genes that could serve as targets to control FGF23-mediated mineral metabolism, gene array and single-cell RNA sequencing were performed in wild type mouse kidneys. Gene array demonstrated that heparin-binding EGF-like growth factor (HBEGF) was significantly up-regulated following one-hour FGF23 treatment of wild type mice. Mice injected with HBEGF had phenotypes consistent with partial FGF23-mimetic activity including robust induction of Egr1, and increased Cyp24a1 mRNAs. Single cell RNA sequencing showed overlapping HBEGF and EGF-receptor expression mostly in the proximal tubule, and alpha-Klotho expression in proximal and distal tubule segments. In alpha-Klotho-null mice devoid of canonical FGF23 signaling, HBEGF injections significantly increased Egr1 and Cyp24a1 with correction of basally elevated Cyp27b1. Additionally, mice placed on a phosphate deficient diet to suppress FGF23 had endogenously increased Cyp27b1 mRNA, which was rescued in mice receiving HBEGF. In HEK293 cells with stable alpha-Klotho expression, FGF23 and HBEGF increased CYP24A1 mRNA expression. HBEGF, but not FGF23 bioactivity was blocked with EGF-receptor inhibition. Thus, our findings support that the paracrine/autocrine factor HBEGF could play novel roles in controlling genes downstream of FGF23 via targeting common signaling pathways.
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Affiliation(s)
- Pu Ni
- Department of Medical and Molecular Genetics, Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Erica L Clinkenbeard
- Department of Medical and Molecular Genetics, Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Megan L Noonan
- Department of Medical and Molecular Genetics, Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Joseph M Richardville
- Department of Medical and Molecular Genetics, Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Jeanette McClintick
- Department of Biochemistry and Molecular Biology, Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Takashi Hato
- Department of Medicine, Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Danielle Janosevic
- Department of Medicine, Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Ying-Hua Cheng
- Department of Medicine, Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Tarek M El-Achkar
- Department of Medicine, Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Michael T Eadon
- Department of Medicine, Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Pierre C Dagher
- Department of Medicine, Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Kenneth E White
- Department of Medical and Molecular Genetics, Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana, USA; Department of Medicine, Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana, USA.
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114
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Adrain C, Cavadas M. The complex life of rhomboid pseudoproteases. FEBS J 2020; 287:4261-4283. [DOI: 10.1111/febs.15548] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 08/18/2020] [Accepted: 08/31/2020] [Indexed: 02/06/2023]
Affiliation(s)
- Colin Adrain
- Instituto Gulbenkian de Ciência (IGC) Oeiras Portugal
- Centre for Cancer Research and Cell Biology Queen's University Belfast UK
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115
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Quesnel A, Karagiannis GS, Filippou PS. Extracellular proteolysis in glioblastoma progression and therapeutics. Biochim Biophys Acta Rev Cancer 2020; 1874:188428. [PMID: 32956761 DOI: 10.1016/j.bbcan.2020.188428] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 09/03/2020] [Accepted: 09/04/2020] [Indexed: 12/20/2022]
Abstract
Gliomas encompass highly invasive primary central nervous system (CNS) tumours of glial cell origin with an often-poor clinical prognosis. Of all gliomas, glioblastoma is the most aggressive form of primary brain cancer. Current treatments in glioblastoma are insufficient due to the invasive nature of brain tumour cells, which typically results in local tumour recurrence following treatment. The latter represents the most important cause of mortality in glioblastoma and underscores the necessity for an in-depth understanding of the underlying mechanisms. Interestingly, increased synthesis and secretion of several proteolytic enzymes within the tumour microenvironment, such as matrix metalloproteinases, lysosomal proteases, cathepsins and kallikreins for extracellular-matrix component degradation may play a major role in the aforementioned glioblastoma invasion mechanisms. These proteolytic networks are key players in establishing and maintaining a tumour microenvironment that promotes tumour cell survival, proliferation, and migration. Indeed, the targeted inhibition of these proteolytic enzymes has been a promisingly useful therapeutic strategy for glioblastoma management in both preclinical and clinical development. We hereby summarize current advances on the biology of the glioblastoma tumour microenvironment, with a particular emphasis on the role of proteolytic enzyme families in glioblastoma invasion and progression, as well as on their subsequent prognostic value as biomarkers and their therapeutic targeting in the era of precision medicine.
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Affiliation(s)
- Agathe Quesnel
- School of Health & Life Sciences, Teesside University, Middlesbrough TS1 3BX, United Kingdom; National Horizons Centre, Teesside University, 38 John Dixon Ln, Darlington, DL1 1HG, United Kingdom
| | - George S Karagiannis
- Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, New York, USA; Integrated Imaging Program, Albert Einstein College of Medicine, Bronx, New York, USA; Gruss-Lipper Biophotonics Center, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Panagiota S Filippou
- School of Health & Life Sciences, Teesside University, Middlesbrough TS1 3BX, United Kingdom; National Horizons Centre, Teesside University, 38 John Dixon Ln, Darlington, DL1 1HG, United Kingdom.
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116
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Park KC, Dharmasivam M, Richardson DR. The Role of Extracellular Proteases in Tumor Progression and the Development of Innovative Metal Ion Chelators that Inhibit their Activity. Int J Mol Sci 2020; 21:E6805. [PMID: 32948029 PMCID: PMC7555822 DOI: 10.3390/ijms21186805] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 09/11/2020] [Accepted: 09/14/2020] [Indexed: 12/21/2022] Open
Abstract
The crucial role of extracellular proteases in cancer progression is well-known, especially in relation to the promotion of cell invasion through extracellular matrix remodeling. This also occurs by the ability of extracellular proteases to induce the shedding of transmembrane proteins at the plasma membrane surface or within extracellular vesicles. This process results in the regulation of key signaling pathways by the modulation of kinases, e.g., the epidermal growth factor receptor (EGFR). Considering their regulatory roles in cancer, therapeutics targeting various extracellular proteases have been discovered. These include the metal-binding agents di-2-pyridylketone 4,4-dimethyl-3-thiosemicarbazone (Dp44mT) and di-2-pyridylketone-4-cyclohexyl-4-methyl-3-thiosemicarbazone (DpC), which increase c-MET degradation by multiple mechanisms. Both the direct and indirect inhibition of protease expression and activity can be achieved through metal ion depletion. Considering direct mechanisms, chelators can bind zinc(II) that plays a catalytic role in enzyme activity. In terms of indirect mechanisms, Dp44mT and DpC potently suppress the expression of the kallikrein-related peptidase-a prostate-specific antigen-in prostate cancer cells. The mechanism of this activity involves promotion of the degradation of the androgen receptor. Additional suppressive mechanisms of Dp44mT and DpC on matrix metalloproteases (MMPs) relate to their ability to up-regulate the metastasis suppressors N-myc downstream regulated gene-1 (NDRG1) and NDRG2, which down-regulate MMPs that are crucial for cancer cell invasion.
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Affiliation(s)
- Kyung Chan Park
- Molecular Pharmacology and Pathology Program, Department of Pathology and Bosch Institute, Medical Foundation Building, University of Sydney, Sydney 2006, Australia; (K.C.P.); (M.D.)
| | - Mahendiran Dharmasivam
- Molecular Pharmacology and Pathology Program, Department of Pathology and Bosch Institute, Medical Foundation Building, University of Sydney, Sydney 2006, Australia; (K.C.P.); (M.D.)
- Centre for Cancer Cell Biology and Drug Discovery, Griffith Institute of Drug Discovery, Griffith University, Nathan, Brisbane 4111, Australia
| | - Des R. Richardson
- Molecular Pharmacology and Pathology Program, Department of Pathology and Bosch Institute, Medical Foundation Building, University of Sydney, Sydney 2006, Australia; (K.C.P.); (M.D.)
- Centre for Cancer Cell Biology and Drug Discovery, Griffith Institute of Drug Discovery, Griffith University, Nathan, Brisbane 4111, Australia
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Nagoya 466-8550, Japan
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117
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Mitochondrial Targeting of the Enteropathogenic Escherichia coli Map Triggers Calcium Mobilization, ADAM10-MAP Kinase Signaling, and Host Cell Apoptosis. mBio 2020; 11:mBio.01397-20. [PMID: 32934081 PMCID: PMC7492733 DOI: 10.1128/mbio.01397-20] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Enteropathogenic E. coli (EPEC) is an important human diarrhea-causing bacterium. The pathogenic effects of EPEC largely depend upon its ability to inject a series of proteins, termed effectors, into the host cells. One such effector is the mitochondrion-associated protein (Map). Map has been shown to induce actin-rich projections (i.e., filopodia) on the infected cell surface and activate a Rho GTPase enzyme termed Cdc42. Nonetheless, although most injected Map localizes to host mitochondria, its functions in the mitochondria remain unknown. Here, we show that Map targeting of mitochondria stimulates the disruption of mitochondrial membrane potential to induce Ca2+ efflux into the host cytoplasm. The efflux stimulates the activity of a protein termed ADAM10, which induces activation of a mitogen-activated protein kinase cascade leading to host cell apoptosis. As apoptosis plays a central role in host-pathogen interactions, our findings provide novel insights into the functions of mitochondrial Map in promoting the EPEC disease. The ability of diarrheagenic bacterial pathogens, such as enteropathogenic Escherichia coli (EPEC), to modulate the activity of mitogen-activated protein kinases (MAPKs) and cell survival has been suggested to benefit bacterial colonization and infection. However, our understanding of the mechanisms by which EPEC modulate these functions is incomplete. In this study, we show that the EPEC type III secreted effector Map stimulates the sheddase activity of the disintegrin and metalloproteinase domain-containing protein 10 (ADAM10) and the ERK and p38 MAPK signaling cascades. Remarkably, all these activities were dependent upon the ability of Map to target host mitochondria, mainly via its mitochondrial toxicity region (MTR). Map targeting of mitochondria disrupted the mitochondrial membrane potential, causing extrusion of mitochondrial Ca2+ into the host cell cytoplasm. We also found that Map targeting of mitochondria is essential for triggering host cell apoptosis. Based on these findings, we propose a model whereby Map imported into mitochondria causes mitochondrial dysfunction and Ca2+ efflux into the host cytoplasm. Since Ca2+ has been reported to promote ADAM10 activation, the acute elevation of Ca2+ in the cytoplasm may stimulate the ADAM10 sheddase activity, resulting in the release of epidermal growth factors that stimulate the ERK signaling cascade. As p38 activity is also Ca2+ sensitive, elevation in cytoplasmic Ca2+ may independently also activate p38. We hypothesize that Map-dependent MAPK activation, combined with Map-mediated mitochondrial dysfunction, evokes mitochondrial host cell apoptosis, potentially contributing to EPEC colonization and infection of the gut.
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118
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iRhom2: An Emerging Adaptor Regulating Immunity and Disease. Int J Mol Sci 2020; 21:ijms21186570. [PMID: 32911849 PMCID: PMC7554728 DOI: 10.3390/ijms21186570] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 08/26/2020] [Accepted: 09/02/2020] [Indexed: 02/06/2023] Open
Abstract
The rhomboid family are evolutionary conserved intramembrane proteases. Their inactive members, iRhom in Drosophila melanogaster and iRhom1 and iRhom2 in mammals, lack the catalytic center and are hence labelled “inactive” rhomboid family members. In mammals, both iRhoms are involved in maturation and trafficking of the ubiquitous transmembrane protease a disintegrin and metalloprotease (ADAM) 17, which through cleaving many biologically active molecules has a critical role in tumor necrosis factor alpha (TNFα), epidermal growth factor receptor (EGFR), interleukin-6 (IL-6) and Notch signaling. Accordingly, with iRhom2 having a profound influence on ADAM17 activation and substrate specificity it regulates these signaling pathways. Moreover, iRhom2 has a role in the innate immune response to both RNA and DNA viruses and in regulation of keratin subtype expression in wound healing and cancer. Here we review the role of iRhom2 in immunity and disease, both dependent and independent of its regulation of ADAM17.
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119
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Koo CZ, Harrison N, Noy PJ, Szyroka J, Matthews AL, Hsia HE, Müller SA, Tüshaus J, Goulding J, Willis K, Apicella C, Cragoe B, Davis E, Keles M, Malinova A, McFarlane TA, Morrison PR, Nguyen HTH, Sykes MC, Ahmed H, Di Maio A, Seipold L, Saftig P, Cull E, Pliotas C, Rubinstein E, Poulter NS, Briddon SJ, Holliday ND, Lichtenthaler SF, Tomlinson MG. The tetraspanin Tspan15 is an essential subunit of an ADAM10 scissor complex. J Biol Chem 2020; 295:12822-12839. [PMID: 32111735 PMCID: PMC7476718 DOI: 10.1074/jbc.ra120.012601] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 02/14/2020] [Indexed: 12/13/2022] Open
Abstract
A disintegrin and metalloprotease 10 (ADAM10) is a transmembrane protein essential for embryonic development, and its dysregulation underlies disorders such as cancer, Alzheimer's disease, and inflammation. ADAM10 is a "molecular scissor" that proteolytically cleaves the extracellular region from >100 substrates, including Notch, amyloid precursor protein, cadherins, growth factors, and chemokines. ADAM10 has been recently proposed to function as six distinct scissors with different substrates, depending on its association with one of six regulatory tetraspanins, termed TspanC8s. However, it remains unclear to what degree ADAM10 function critically depends on a TspanC8 partner, and a lack of monoclonal antibodies specific for most TspanC8s has hindered investigation of this question. To address this knowledge gap, here we designed an immunogen to generate the first monoclonal antibodies targeting Tspan15, a model TspanC8. The immunogen was created in an ADAM10-knockout mouse cell line stably overexpressing human Tspan15, because we hypothesized that expression in this cell line would expose epitopes that are normally blocked by ADAM10. Following immunization of mice, this immunogen strategy generated four Tspan15 antibodies. Using these antibodies, we show that endogenous Tspan15 and ADAM10 co-localize on the cell surface, that ADAM10 is the principal Tspan15-interacting protein, that endogenous Tspan15 expression requires ADAM10 in cell lines and primary cells, and that a synthetic ADAM10/Tspan15 fusion protein is a functional scissor. Furthermore, two of the four antibodies impaired ADAM10/Tspan15 activity. These findings suggest that Tspan15 directly interacts with ADAM10 in a functional scissor complex.
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Affiliation(s)
- Chek Ziu Koo
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
- Centre of Membrane Proteins and Receptors (COMPARE), Universities of Birmingham and Nottingham, Midlands B15 2TT, United Kingdom
| | - Neale Harrison
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Peter J Noy
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Justyna Szyroka
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Alexandra L Matthews
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Hung-En Hsia
- German Center for Neurodegenerative Diseases (DZNE) Munich, Neuroproteomics, Klinikum rechts der Isar, Technical University Munich and Munich Cluster for Systems Neurology (SyNergy), 81377 Munich, Germany
| | - Stephan A Müller
- German Center for Neurodegenerative Diseases (DZNE) Munich, Neuroproteomics, Klinikum rechts der Isar, Technical University Munich and Munich Cluster for Systems Neurology (SyNergy), 81377 Munich, Germany
| | - Johanna Tüshaus
- German Center for Neurodegenerative Diseases (DZNE) Munich, Neuroproteomics, Klinikum rechts der Isar, Technical University Munich and Munich Cluster for Systems Neurology (SyNergy), 81377 Munich, Germany
| | - Joelle Goulding
- Centre of Membrane Proteins and Receptors (COMPARE), Universities of Birmingham and Nottingham, Midlands B15 2TT, United Kingdom
- Division of Physiology, Pharmacology and Neuroscience, School of Life Sciences, University of Nottingham, Nottingham NG7 2UH, United Kingdom
| | - Katie Willis
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Clara Apicella
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Bethany Cragoe
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Edward Davis
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Murat Keles
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Antonia Malinova
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Thomas A McFarlane
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Philip R Morrison
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Hanh T H Nguyen
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Michael C Sykes
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Haroon Ahmed
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Alessandro Di Maio
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Lisa Seipold
- Institute of Biochemistry, Christian Albrechts University Kiel, 24118 Kiel, Germany
| | - Paul Saftig
- Institute of Biochemistry, Christian Albrechts University Kiel, 24118 Kiel, Germany
| | - Eleanor Cull
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Christos Pliotas
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, United Kingdom
| | - Eric Rubinstein
- Sorbonne Université, INSERM, CNRS, Centre d'Immunologie et des Maladies Infectieuses, CIMI-Paris, Paris 75013, France
| | - Natalie S Poulter
- Centre of Membrane Proteins and Receptors (COMPARE), Universities of Birmingham and Nottingham, Midlands B15 2TT, United Kingdom
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Stephen J Briddon
- Centre of Membrane Proteins and Receptors (COMPARE), Universities of Birmingham and Nottingham, Midlands B15 2TT, United Kingdom
- Division of Physiology, Pharmacology and Neuroscience, School of Life Sciences, University of Nottingham, Nottingham NG7 2UH, United Kingdom
| | - Nicholas D Holliday
- Division of Physiology, Pharmacology and Neuroscience, School of Life Sciences, University of Nottingham, Nottingham NG7 2UH, United Kingdom
| | - Stefan F Lichtenthaler
- German Center for Neurodegenerative Diseases (DZNE) Munich, Neuroproteomics, Klinikum rechts der Isar, Technical University Munich and Munich Cluster for Systems Neurology (SyNergy), 81377 Munich, Germany
| | - Michael G Tomlinson
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
- Centre of Membrane Proteins and Receptors (COMPARE), Universities of Birmingham and Nottingham, Midlands B15 2TT, United Kingdom
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120
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Abstract
The ADAMs family belongs to the transmembrane protein superfamily of zinc-dependent metalloproteases, which consists of multiple domains. These domains have independent but complementary functions that enable them to participate in multiple biological processes. Among them, ADAM9 can not only participate in the degradation of extracellular matrix as a metalloprotease, but also mediate tumor cell adhesion through its deintegrin domain, which is closely related to tumor invasion and metastasis. It is widely expressed in a variety of tumor cells and can affect the proliferation, invasion and metastasis of related cancer cells. We provide our views on current progress, its increasing importance as a strategic treatment goal, and our vision for the future of ADAM9.
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Affiliation(s)
- M A Haoyuan
- Department of Clinical Medicine, China Medical University , Liaoning, Shenyang, China
| | - L I Yanshu
- Department of Cell Biology, Key Laboratory of Cell Biology, Ministry of Public Health, and Key Laboratory of Medical Cell Biology, Ministry of Education, China Medical University , Liaoning, Shenyang, China
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121
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Kleiser S, Nyström A. Interplay between Cell-Surface Receptors and Extracellular Matrix in Skin. Biomolecules 2020; 10:E1170. [PMID: 32796709 PMCID: PMC7465455 DOI: 10.3390/biom10081170] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/01/2020] [Accepted: 08/05/2020] [Indexed: 12/12/2022] Open
Abstract
Skin consists of the epidermis and dermis, which are connected by a specialized basement membrane-the epidermal basement membrane. Both the epidermal basement membrane and the underlying interstitial extracellular matrix (ECM) created by dermal fibroblasts contain distinct network-forming macromolecules. These matrices play various roles in order to maintain skin homeostasis and integrity. Within this complex interplay of cells and matrices, cell surface receptors play essential roles not only for inside-out and outside-in signaling, but also for establishing mechanical and biochemical properties of skin. Already minor modulations of this multifactorial cross-talk can lead to severe and systemic diseases. In this review, major epidermal and dermal cell surface receptors will be addressed with respect to their interactions with matrix components as well as their roles in fibrotic, inflammatory or tumorigenic skin diseases.
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Affiliation(s)
- Svenja Kleiser
- Department of Dermatology, Faculty of Medicine and Medical Center, University of Freiburg, Hauptstraße 7, 79104 Freiburg, Germany
- Faculty of Biology, University of Freiburg, Schänzlestraße 1, 79104 Freiburg, Germany
| | - Alexander Nyström
- Department of Dermatology, Faculty of Medicine and Medical Center, University of Freiburg, Hauptstraße 7, 79104 Freiburg, Germany
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122
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Liva F, Cuffaro D, Nuti E, Nencetti S, Orlandini E, Vozzi G, Rossello A. Age-related Macular Degeneration: Current Knowledge of Zinc Metalloproteinases Involvement. Curr Drug Targets 2020; 20:903-918. [PMID: 30666909 DOI: 10.2174/1389450120666190122114857] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Revised: 12/21/2018] [Accepted: 01/15/2019] [Indexed: 01/09/2023]
Abstract
BACKGROUND Advanced age-related macular degeneration (AMD) is the leading cause of blindness in the elderly with limited therapeutic options. The disease is characterized by photoreceptor loss in the macula and reduced Retinal Pigment Epithelium (RPE) function, associated with matrix degradation, cell proliferation, neovascularization and inflammation. Matrix metalloproteinases (MMPs), a disintegrin and metalloproteinases (ADAMs) and a disintegrin and metalloproteinase with thrombospondin motifs (ADAMTSs) play a critical role in the physiology of extracellular matrix (ECM) turnover and, in turn, in ECM pathologies, such as AMD. A balance between the activities of MMPs and Tissue Inhibitors of Metalloproteinase (TIMPs) is crucial for the integrity of the ECM components; indeed, a dysregulation in the ratio of these factors produces profound changes in the ECM, including thickening and deposit formation, which eventually might lead to AMD development. OBJECTIVE This article reviews the relevance and impact of zinc metalloproteinases on the development of AMD and their roles as biomarkers and/or therapeutic targets. We illustrate some studies on several inhibitors of MMPs currently used to dissect physiological properties of MMPs. Moreover, all molecules or technologies used to control MMP and ADAM activity in AMD are analyzed. CONCLUSION This study underlines the changes in the activity of MMPs expressed by RPE cells, highlights the functions of already used MMP inhibitors and consequently suggests their application as therapeutic agents for the treatment of AMD.
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Affiliation(s)
- Francesca Liva
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy
| | - Doretta Cuffaro
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy.,Research Center "E. Piaggio," University of Pisa, Pisa, 56122, Italy
| | - Elisa Nuti
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy
| | - Susanna Nencetti
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy
| | - Elisabetta Orlandini
- Research Center "E. Piaggio," University of Pisa, Pisa, 56122, Italy.,Department of Earth Sciences, University of Pisa, Via Santa Maria 53, 56126 Pisa, Italy
| | - Giovanni Vozzi
- Research Center "E. Piaggio," University of Pisa, Pisa, 56122, Italy
| | - Armando Rossello
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy.,Research Center "E. Piaggio," University of Pisa, Pisa, 56122, Italy
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123
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Mikuličić S, Fritzen A, Scheffer K, Strunk J, Cabañas C, Sperrhacke M, Reiss K, Florin L. Tetraspanin CD9 affects HPV16 infection by modulating ADAM17 activity and the ERK signalling pathway. Med Microbiol Immunol 2020; 209:461-471. [PMID: 32385608 PMCID: PMC7206579 DOI: 10.1007/s00430-020-00671-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 03/24/2020] [Indexed: 12/21/2022]
Abstract
Human papillomaviruses (HPV) are causative agents of various tumours such as cervical cancer. HPV binding to the cell surface of keratinocytes leads to virus endocytosis at tetraspanin enriched microdomains. Complex interactions of the capsid proteins with host proteins as well as ADAM17-dependent ERK1/2 signal transduction enable the entry platform assembly of the oncogenic HPV type 16. Here, we studied the importance of tetraspanin CD9, also known as TSPAN29, in HPV16 infection of different epithelial cells. We found that both overexpression and loss of the tetraspanin decreased infection rates in cells with low endogenous CD9 levels, while reduction of CD9 expression in keratinocytes that exhibit high-CD9 protein amounts, led to an increase of infection. Therefore, we concluded that low-CD9 supports infection. Moreover, we found that changes in CD9 amounts affect the shedding of the ADAM17 substrate transforming growth factor alpha (TGFα) and the downstream phosphorylation of ERK. These effects correlate with those on infection rates suggesting that a specific CD9 optimum promotes ADAM17 activity, ERK signalling and virus infection. Together, our findings implicate that CD9 regulates HPV16 infection through the modulation of ADAM17 sheddase activity.
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Affiliation(s)
- Snježana Mikuličić
- Institute for Virology and Research Center for Immunotherapy (FZI), University Medical Center of the Johannes Gutenberg-University Mainz, Obere Zahlbacher Strasse 67, Augustusplatz, 55131, Mainz, Germany
| | - Anna Fritzen
- Institute for Virology and Research Center for Immunotherapy (FZI), University Medical Center of the Johannes Gutenberg-University Mainz, Obere Zahlbacher Strasse 67, Augustusplatz, 55131, Mainz, Germany
| | - Konstanze Scheffer
- Institute for Virology and Research Center for Immunotherapy (FZI), University Medical Center of the Johannes Gutenberg-University Mainz, Obere Zahlbacher Strasse 67, Augustusplatz, 55131, Mainz, Germany
| | - Johannes Strunk
- Institute for Virology and Research Center for Immunotherapy (FZI), University Medical Center of the Johannes Gutenberg-University Mainz, Obere Zahlbacher Strasse 67, Augustusplatz, 55131, Mainz, Germany
- Max Planck Graduate Center, Mainz, Germany
| | - Carlos Cabañas
- Department of Cell Biology and Immunology, Centro de Biología Molecular Severo Ochoa (CSIC-UAM), 28049, Madrid, Spain
- Department of Immunology, Ophthalmology and Otorhinolaryngology (IOO), Faculty of Medicine, Universidad Complutense, 28040, Madrid, Spain
- Instituto de Investigación Sanitaria Hospital 12 de Octubre (i+12), 28041, Madrid, Spain
| | - Maria Sperrhacke
- Department of Dermatology and Allergology, University Hospital Schleswig-Holstein Campus, Rosalind-Franklin-Straße 9, 24105, Kiel, Germany
| | - Karina Reiss
- Department of Dermatology and Allergology, University Hospital Schleswig-Holstein Campus, Rosalind-Franklin-Straße 9, 24105, Kiel, Germany
| | - Luise Florin
- Institute for Virology and Research Center for Immunotherapy (FZI), University Medical Center of the Johannes Gutenberg-University Mainz, Obere Zahlbacher Strasse 67, Augustusplatz, 55131, Mainz, Germany.
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124
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Muliyil S, Levet C, Düsterhöft S, Dulloo I, Cowley SA, Freeman M. ADAM17-triggered TNF signalling protects the ageing Drosophila retina from lipid droplet-mediated degeneration. EMBO J 2020; 39:e104415. [PMID: 32715522 PMCID: PMC7459420 DOI: 10.15252/embj.2020104415] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 06/26/2020] [Accepted: 06/29/2020] [Indexed: 12/15/2022] Open
Abstract
Animals have evolved multiple mechanisms to protect themselves from the cumulative effects of age‐related cellular damage. Here, we reveal an unexpected link between the TNF (tumour necrosis factor) inflammatory pathway, triggered by the metalloprotease ADAM17/TACE, and a lipid droplet (LD)‐mediated mechanism of protecting retinal cells from age‐related degeneration. Loss of ADAM17, TNF and the TNF receptor Grindelwald in pigmented glial cells of the Drosophila retina leads to age‐related degeneration of both glia and neurons, preceded by an abnormal accumulation of glial LDs. We show that the glial LDs initially buffer the cells against damage caused by glial and neuronally generated reactive oxygen species (ROS), but that in later life the LDs dissipate, leading to the release of toxic peroxidated lipids. Finally, we demonstrate the existence of a conserved pathway in human iPS‐derived microglia‐like cells, which are central players in neurodegeneration. Overall, we have discovered a pathway mediated by TNF signalling acting not as a trigger of inflammation, but as a cytoprotective factor in the retina.
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Affiliation(s)
- Sonia Muliyil
- Sir William Dunn School of Pathology, University of Oxford, Oxford, UK
| | - Clémence Levet
- Sir William Dunn School of Pathology, University of Oxford, Oxford, UK
| | - Stefan Düsterhöft
- Sir William Dunn School of Pathology, University of Oxford, Oxford, UK
| | - Iqbal Dulloo
- Sir William Dunn School of Pathology, University of Oxford, Oxford, UK
| | - Sally A Cowley
- Sir William Dunn School of Pathology, University of Oxford, Oxford, UK
| | - Matthew Freeman
- Sir William Dunn School of Pathology, University of Oxford, Oxford, UK
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125
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Bleibaum F, Sommer A, Veit M, Rabe B, Andrä J, Kunzelmann K, Nehls C, Correa W, Gutsmann T, Grötzinger J, Bhakdi S, Reiss K. ADAM10 sheddase activation is controlled by cell membrane asymmetry. J Mol Cell Biol 2020; 11:979-993. [PMID: 30753537 PMCID: PMC6927242 DOI: 10.1093/jmcb/mjz008] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 11/20/2018] [Accepted: 02/06/2019] [Indexed: 12/14/2022] Open
Abstract
Dysregulation of the disintegrin-metalloproteinase ADAM10 may contribute to the development of diseases including tumorigenesis and Alzheimer's disease. The mechanisms underlying ADAM10 sheddase activation are incompletely understood. Here, we show that transient exposure of the negatively charged phospholipid phosphatidylserine (PS) is necessarily required. The soluble PS headgroup was found to act as competitive inhibitor of substrate cleavage. Overexpression of the Ca2+-dependent phospholipid scramblase Anoctamin-6 (ANO6) led to increased PS externalization and substrate release. Transfection with a constitutively active form of ANO6 resulted in maximum sheddase activity in the absence of any stimulus. Calcium-dependent ADAM10 activation could not be induced in lymphocytes of patients with Scott syndrome harbouring a missense mutation in ANO6. A putative PS-binding motif was identified in the conserved stalk region. Replacement of this motif resulted in strong reduction of sheddase activity. In conjunction with the recently described 3D structure of the ADAM10 extracellular domain, a model is advanced to explain how surface-exposed PS triggers ADAM10 sheddase function.
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Affiliation(s)
| | - Anselm Sommer
- Department of Dermatology, University of Kiel, Kiel, Germany
| | - Martin Veit
- Department of Dermatology, University of Kiel, Kiel, Germany
| | - Björn Rabe
- Institute of Biochemistry, University of Kiel, Olshausenstraße 40, Kiel, Germany
| | - Jörg Andrä
- Hamburg University of Applied Science, Ulmenliet 20, Hamburg, Germany
| | - Karl Kunzelmann
- Physiological Institute, University of Regensburg, Universitätsstraße 31, Regensburg, Germany
| | - Christian Nehls
- Forschungszentrum Borstel, Leibniz-Zentrum für Medizin und Biowissenschaften, Parkallee 10, Borstel, Germany
| | - Wilmar Correa
- Forschungszentrum Borstel, Leibniz-Zentrum für Medizin und Biowissenschaften, Parkallee 10, Borstel, Germany
| | - Thomas Gutsmann
- Forschungszentrum Borstel, Leibniz-Zentrum für Medizin und Biowissenschaften, Parkallee 10, Borstel, Germany
| | - Joachim Grötzinger
- Institute of Biochemistry, University of Kiel, Olshausenstraße 40, Kiel, Germany
| | - Sucharit Bhakdi
- Department of Dermatology, University of Kiel, Kiel, Germany
| | - Karina Reiss
- Department of Dermatology, University of Kiel, Kiel, Germany
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126
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Iwagishi R, Tanaka R, Seto M, Takagi T, Norioka N, Ueyama T, Kawamura T, Takagi J, Ogawa Y, Shirakabe K. Negatively charged amino acids in the stalk region of membrane proteins reduce ectodomain shedding. J Biol Chem 2020; 295:12343-12352. [PMID: 32580944 DOI: 10.1074/jbc.ra120.013758] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 06/11/2020] [Indexed: 01/12/2023] Open
Abstract
Ectodomain shedding is a post-translational modification mechanism by which the entire extracellular domain of membrane proteins is liberated through juxtamembrane processing. Because shedding rapidly and irreversibly alters the characteristics of cells, this process is properly regulated. However, the molecular mechanisms governing the propensity of membrane proteins to shedding are largely unknown. Here, we present evidence that negatively charged amino acids within the stalk region, an unstructured juxtamembrane region at which shedding occurs, contribute to shedding susceptibility. We show that two activated leukocyte cell adhesion molecule (ALCAM) protein variants produced by alternative splicing have different susceptibilities to ADAM metallopeptidase domain 17 (ADAM17)-mediated shedding. Of note, the inclusion of a stalk region encoded by a 39-bp-long alternative exon conferred shedding resistance. We found that this alternative exon encodes a large proportion of negatively charged amino acids, which we demonstrate are indispensable for conferring the shedding resistance. We also show that the introduction of negatively charged amino acids into the stalk region of shedding-susceptible ALCAM variant protein attenuates its shedding. Furthermore, we observed that negatively charged amino acids residing in the stalk region of Erb-B2 receptor tyrosine kinase 4 (ERBB4) are indispensable for its shedding resistance. Collectively, our results indicate that negatively charged amino acids within the stalk region interfere with the shedding of multiple membrane proteins. We conclude that the composition of the stalk region determines the shedding susceptibility of membrane proteins.
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Affiliation(s)
- Ryo Iwagishi
- Department of Biomedical Sciences, College of Life Sciences, Ritsumeikan University, Kusatsu, Japan
| | - Rika Tanaka
- Department of Biomedical Sciences, College of Life Sciences, Ritsumeikan University, Kusatsu, Japan
| | - Munenosuke Seto
- Department of Biomedical Sciences, College of Life Sciences, Ritsumeikan University, Kusatsu, Japan
| | - Tomoyo Takagi
- Department of Biomedical Sciences, College of Life Sciences, Ritsumeikan University, Kusatsu, Japan
| | - Naoko Norioka
- Laboratory of Protein Synthesis and Expression, Institute for Protein Research, Osaka University, Osaka, Japan
| | - Tomoe Ueyama
- Department of Biomedical Sciences, College of Life Sciences, Ritsumeikan University, Kusatsu, Japan.,Ritsumeikan Global Innovation Research Organization, Ritsumeikan University, Kusatsu, Japan
| | - Teruhisa Kawamura
- Department of Biomedical Sciences, College of Life Sciences, Ritsumeikan University, Kusatsu, Japan.,Ritsumeikan Global Innovation Research Organization, Ritsumeikan University, Kusatsu, Japan
| | - Junichi Takagi
- Laboratory of Protein Synthesis and Expression, Institute for Protein Research, Osaka University, Osaka, Japan
| | - Yoshihiro Ogawa
- Department of Molecular and Cellular Metabolism, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan.,Department of Medical and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.,Japan Agency for Medical Research and Development (AMED), Core Research for Evolutional Science and Technology (CREST), Tokyo, Japan
| | - Kyoko Shirakabe
- Department of Biomedical Sciences, College of Life Sciences, Ritsumeikan University, Kusatsu, Japan .,Ritsumeikan Global Innovation Research Organization, Ritsumeikan University, Kusatsu, Japan.,Department of Molecular and Cellular Metabolism, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
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127
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Shou Y, Zhu X, Zhu D, Yin H, Shi Y, Chen M, Lu L, Qian Q, Zhao D, Hu Y, Wang H. Ambient PM 2.5 chronic exposure leads to cognitive decline in mice: From pulmonary to neuronal inflammation. Toxicol Lett 2020; 331:208-217. [PMID: 32569800 DOI: 10.1016/j.toxlet.2020.06.014] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 06/16/2020] [Accepted: 06/18/2020] [Indexed: 10/24/2022]
Abstract
Fine particulate matter 2.5 (PM2.5), one of the main components of air pollutants, seriously threatens human health. Possible neuronal dysfunction induced by PM2.5 has received extensive attention. However, there is little evidence for the specific biochemical mechanism of neuronal injury induced by PM2.5. Moreover, the pathway for PM2.5 transport from peripheral circulation to the central nervous system (CNS) is still unclear. In the current work, C57BL/6 mice were chronically exposed to ambient PM2.5 for 3, 6, 9, and 12 months. Exposure to ambient PM2.5 resulted in a significant reduction of cognitive ability in mice by Morris water maze test. PM2.5 exposure induced a neuroinflammatory reaction after cognitive impairment, while inflammation in the hypothalamus and olfactory bulb tissue occurred earlier. The expression levels of integrity tight junction proteins in the blood-brain barrier (BBB) were reduced by PM2.5 exposure. Pulmonary inflammation occurred much earlier and diminished at later stage of PM2.5 exposure. The results indicated that chronic exposure to ambient PM2.5 led to cognitive decline in mice; CNS dysfunction may be due to neuroinflammatory reactions; the reduced integrity of the BBB allowed the influence of pulmonary inflammation to neuronal alterations. The work may provide promising therapeutic or preventive targets for air pollution-induced neurodegenerative disease.
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Affiliation(s)
- Yikai Shou
- School of Medicine, Hangzhou Normal University, Hangzhou 311121, China; The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou 310052, China
| | - Xiaozheng Zhu
- School of Medicine, Hangzhou Normal University, Hangzhou 311121, China
| | - Danna Zhu
- School of Medicine, Hangzhou Normal University, Hangzhou 311121, China; Department of Pharmacy, 2ndAffiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, China
| | - Hongping Yin
- School of Medicine, Hangzhou Normal University, Hangzhou 311121, China; Laboratory of Aging and Cancer Biology of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, China
| | - Yingying Shi
- School of Medicine, Hangzhou Normal University, Hangzhou 311121, China
| | - Minyan Chen
- School of Medicine, Hangzhou Normal University, Hangzhou 311121, China; Laboratory of Aging and Cancer Biology of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, China
| | - Linjie Lu
- School of Medicine, Hangzhou Normal University, Hangzhou 311121, China; Laboratory of Aging and Cancer Biology of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, China
| | - Qiwei Qian
- School of Medicine, Hangzhou Normal University, Hangzhou 311121, China; Laboratory of Aging and Cancer Biology of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, China
| | - Dongjiu Zhao
- School of Medicine, Hangzhou Normal University, Hangzhou 311121, China; Laboratory of Aging and Cancer Biology of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, China
| | - Yu Hu
- School of Medicine, Hangzhou Normal University, Hangzhou 311121, China.
| | - Huanhuan Wang
- School of Medicine, Hangzhou Normal University, Hangzhou 311121, China; Laboratory of Aging and Cancer Biology of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, China.
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128
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Zhou R, Cho WCS, Ma V, Cheuk W, So YK, Wong SCC, Zhang M, Li C, Sun Y, Zhang H, Chan LWC, Tian M. ADAM9 Mediates Triple-Negative Breast Cancer Progression via AKT/NF-κB Pathway. Front Med (Lausanne) 2020; 7:214. [PMID: 32637415 PMCID: PMC7317048 DOI: 10.3389/fmed.2020.00214] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Accepted: 04/29/2020] [Indexed: 12/12/2022] Open
Abstract
Upregulation of a disintegrin and metalloprotease 9 (ADAM9) is correlated with progression of cancers, such as prostate, bladder, and pancreatic cancers. However, its role in triple-negative breast cancer (TNBC) is still unclear. Our study aimed to investigate whether ADAM9 is upregulated and promoted the aggressiveness in TNBC. Breast cancer cell lines and patient specimens were used to evaluate the ADAM9 expression by western blotting and immunohistochemistry staining, respectively. Compared with the non-TNBC, ADAM9 expression was significantly increased in TNBC cells and TNBC patient specimens. Based on the data acquired from public databases, the correlation between ADAM9 expression and breast cancer patient survival was analyzed by Kaplan-Meier method. It was shown that ADAM9 overexpression was significantly correlated with poorer survival in patients with TNBC. Furthermore, ADAM9 in TNBC cells was knocked down by small interference RNA and then studied by the MTT/colony formation assay, wound healing assay and transwell invasion assay on the cell proliferation, migration, and invasion, respectively. We found that inhibiting ADAM9 expression suppressed TNBC cell proliferation, migration, and invasion by lowering the activation of AKT/NF-κB pathway. Our results demonstrated that ADAM9 is an important molecule in mediating TNBC aggressiveness and may be a potential useful therapeutic target in TNBC treatment.
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Affiliation(s)
- Rui Zhou
- Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hong Kong, China.,Department of Nuclear Medicine and Medical PET Center, The Second Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - William C S Cho
- Department of Clinical Oncology, Queen Elizabeth Hospital, Hong Kong, China
| | - Victor Ma
- Department of Clinical Oncology, Queen Elizabeth Hospital, Hong Kong, China
| | - Wah Cheuk
- Department of Pathology, Queen Elizabeth Hospital, Hong Kong, China
| | - Yik-Ka So
- Department of Pathology, Queen Elizabeth Hospital, Hong Kong, China
| | - S C Cesar Wong
- Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hong Kong, China
| | - Mingrong Zhang
- Department of Advanced Nuclear Medicine Sciences, National Institute of Radiological Sciences, Chiba, Japan
| | - Cong Li
- Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai, China
| | - Yujie Sun
- State Key Laboratory of Membrane Biology, Biomedical Pioneer Innovation Center, School of Life Sciences, Peking University, Beijing, China
| | - Hong Zhang
- Department of Nuclear Medicine and Medical PET Center, The Second Hospital of Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory for Biomedical Engineering of Ministry of Education, Zhejiang University, Hangzhou, China.,The College of Biomedical Engineering and Instrument Science of Zhejiang University, Hangzhou, China.,Department of Nuclear Medicine, The First Hospital of Shanxi Medical University, Taiyuan, China
| | - Lawrence W C Chan
- Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hong Kong, China
| | - Mei Tian
- Department of Nuclear Medicine and Medical PET Center, The Second Hospital of Zhejiang University School of Medicine, Hangzhou, China
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129
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Hino N, Rossetti L, Marín-Llauradó A, Aoki K, Trepat X, Matsuda M, Hirashima T. ERK-Mediated Mechanochemical Waves Direct Collective Cell Polarization. Dev Cell 2020; 53:646-660.e8. [PMID: 32497487 DOI: 10.1016/j.devcel.2020.05.011] [Citation(s) in RCA: 114] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 03/25/2020] [Accepted: 05/11/2020] [Indexed: 01/02/2023]
Abstract
During collective migration of epithelial cells, the migration direction is aligned over a tissue-scale expanse. Although the collective cell migration is known to be directed by mechanical forces transmitted via cell-cell junctions, it remains elusive how the intercellular force transmission is coordinated with intracellular biochemical signaling to achieve collective movements. Here, we show that intercellular coupling of extracellular signal-regulated kinase (ERK)-mediated mechanochemical feedback yields long-distance transmission of guidance cues. Mechanical stretch activates ERK through epidermal growth factor receptor (EGFR) activation, and ERK activation triggers cell contraction. The contraction of the activated cell pulls neighboring cells, evoking another round of ERK activation and contraction in the neighbors. Furthermore, anisotropic contraction based on front-rear polarization guarantees unidirectional propagation of ERK activation, and in turn, the ERK activation waves direct multicellular alignment of the polarity, leading to long-range ordered migration. Our findings reveal that mechanical forces mediate intercellular signaling underlying sustained transmission of guidance cues for collective cell migration.
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Affiliation(s)
- Naoya Hino
- Laboratory of Bioimaging and Cell Signaling, Graduate School of Biostudies, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
| | - Leone Rossetti
- Institute for Bioengineering of Catalonia, Barcelona 08028, Spain
| | | | - Kazuhiro Aoki
- Quantitative Biology Research Group, Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, 5-1 Higashiyama, Myodaiji-cho, Okazaki, Aichi 444-8787, Japan; Division of Quantitative Biology, National Institute for Basic Biology, National Institutes of Natural Sciences, 5-1 Higashiyama, Myodaiji-cho, Okazaki, Aichi 444-8787, Japan; Department of Basic Biology, School of Life Science, SOKENDAI (The Graduate University for Advanced Studies), 5-1 Higashiyama, Myodaiji-cho, Okazaki, Aichi 444-8787, Japan
| | - Xavier Trepat
- Institute for Bioengineering of Catalonia, Barcelona 08028, Spain; Faculty of Medicine, University of Barcelona, Barcelona, Spain; Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain; Center for Networked Biomedical Research on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Barcelona, Spain
| | - Michiyuki Matsuda
- Laboratory of Bioimaging and Cell Signaling, Graduate School of Biostudies, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan; Department of Pathology and Biology of Diseases, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan.
| | - Tsuyoshi Hirashima
- Department of Pathology and Biology of Diseases, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan; Japan Science and Technology Agency, PRESTO, Sakyo-ku, Kyoto 606-8501, Japan.
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130
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Ghilardi SJ, O'Reilly BM, Sgro AE. Intracellular signaling dynamics and their role in coordinating tissue repair. WILEY INTERDISCIPLINARY REVIEWS. SYSTEMS BIOLOGY AND MEDICINE 2020; 12:e1479. [PMID: 32035001 PMCID: PMC7187325 DOI: 10.1002/wsbm.1479] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 12/20/2019] [Accepted: 12/31/2019] [Indexed: 12/11/2022]
Abstract
Tissue repair is a complex process that requires effective communication and coordination between cells across multiple tissues and organ systems. Two of the initial intracellular signals that encode injury signals and initiate tissue repair responses are calcium and extracellular signal-regulated kinase (ERK). However, calcium and ERK signaling control a variety of cellular behaviors important for injury repair including cellular motility, contractility, and proliferation, as well as the activity of several different transcription factors, making it challenging to relate specific injury signals to their respective repair programs. This knowledge gap ultimately hinders the development of new wound healing therapies that could take advantage of native cellular signaling programs to more effectively repair tissue damage. The objective of this review is to highlight the roles of calcium and ERK signaling dynamics as mechanisms that link specific injury signals to specific cellular repair programs during epithelial and stromal injury repair. We detail how the signaling networks controlling calcium and ERK can now also be dissected using classical signal processing techniques with the advent of new biosensors and optogenetic signal controllers. Finally, we advocate the importance of recognizing calcium and ERK dynamics as key links between injury detection and injury repair programs that both organize and execute a coordinated tissue repair response between cells across different tissues and organs. This article is categorized under: Models of Systems Properties and Processes > Mechanistic Models Biological Mechanisms > Cell Signaling Laboratory Methods and Technologies > Imaging Models of Systems Properties and Processes > Organ, Tissue, and Physiological Models.
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Affiliation(s)
- Samuel J. Ghilardi
- Department of Biomedical Engineering and the Biological Design CenterBoston UniversityBostonMassachusetts
| | - Breanna M. O'Reilly
- Department of Biomedical Engineering and the Biological Design CenterBoston UniversityBostonMassachusetts
| | - Allyson E. Sgro
- Department of Biomedical Engineering and the Biological Design CenterBoston UniversityBostonMassachusetts
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131
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Brummer T, Müller SA, Pan-Montojo F, Yoshida F, Fellgiebel A, Tomita T, Endres K, Lichtenthaler SF. NrCAM is a marker for substrate-selective activation of ADAM10 in Alzheimer's disease. EMBO Mol Med 2020; 11:emmm.201809695. [PMID: 30833305 PMCID: PMC6460357 DOI: 10.15252/emmm.201809695] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
The metalloprotease ADAM10 is a drug target in Alzheimer's disease, where it cleaves the amyloid precursor protein (APP) and lowers amyloid‐beta. Yet, ADAM10 has additional substrates, which may cause mechanism‐based side effects upon therapeutic ADAM10 activation. However, they may also serve—in addition to APP—as biomarkers to monitor ADAM10 activity in patients and to develop APP‐selective ADAM10 activators. Our study demonstrates that one such substrate is the neuronal cell adhesion protein NrCAM. ADAM10 controlled NrCAM surface levels and regulated neurite outgrowth in vitro in an NrCAM‐dependent manner. However, ADAM10 cleavage of NrCAM, in contrast to APP, was not stimulated by the ADAM10 activator acitretin, suggesting that substrate‐selective ADAM10 activation may be feasible. Indeed, a whole proteome analysis of human CSF from a phase II clinical trial showed that acitretin, which enhanced APP cleavage by ADAM10, spared most other ADAM10 substrates in brain, including NrCAM. Taken together, this study demonstrates an NrCAM‐dependent function for ADAM10 in neurite outgrowth and reveals that a substrate‐selective, therapeutic ADAM10 activation is possible and may be monitored with NrCAM.
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Affiliation(s)
- Tobias Brummer
- Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE), Munich, Germany.,Neuroproteomics, School of Medicine, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Stephan A Müller
- Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE), Munich, Germany
| | - Francisco Pan-Montojo
- Munich Cluster for Systems Neurology (SyNergy), Munich, Germany.,Department of Neurology, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Fumiaki Yoshida
- Laboratory of Neuropathology and Neuroscience, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
| | - Andreas Fellgiebel
- Department of Psychiatry and Psychotherapy, University Medical Center JGU, Mainz, Germany
| | - Taisuke Tomita
- Laboratory of Neuropathology and Neuroscience, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
| | - Kristina Endres
- Department of Psychiatry and Psychotherapy, University Medical Center JGU, Mainz, Germany
| | - Stefan F Lichtenthaler
- Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE), Munich, Germany .,Neuroproteomics, School of Medicine, Klinikum rechts der Isar, Technische Universität München, Munich, Germany.,Munich Cluster for Systems Neurology (SyNergy), Munich, Germany.,Institute for Advanced Study, Technische Universität München, Garching, Germany
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132
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Loganathan SK, Schleicher K, Malik A, Quevedo R, Langille E, Teng K, Oh RH, Rathod B, Tsai R, Samavarchi-Tehrani P, Pugh TJ, Gingras AC, Schramek D. Rare driver mutations in head and neck squamous cell carcinomas converge on NOTCH signaling. Science 2020; 367:1264-1269. [PMID: 32165588 DOI: 10.1126/science.aax0902] [Citation(s) in RCA: 143] [Impact Index Per Article: 35.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Accepted: 02/14/2020] [Indexed: 12/13/2022]
Abstract
In most human cancers, only a few genes are mutated at high frequencies; most are mutated at low frequencies. The functional consequences of these recurrent but infrequent "long tail" mutations are often unknown. We focused on 484 long tail genes in head and neck squamous cell carcinoma (HNSCC) and used in vivo CRISPR to screen for genes that, upon mutation, trigger tumor development in mice. Of the 15 tumor-suppressor genes identified, ADAM10 and AJUBA suppressed HNSCC in a haploinsufficient manner by promoting NOTCH receptor signaling. ADAM10 and AJUBA mutations or monoallelic loss occur in 28% of human HNSCC cases and are mutually exclusive with NOTCH receptor mutations. Our results show that oncogenic mutations in 67% of human HNSCC cases converge onto the NOTCH signaling pathway, making NOTCH inactivation a hallmark of HNSCC.
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Affiliation(s)
- Sampath K Loganathan
- Centre for Molecular and Systems Biology, Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Krista Schleicher
- Centre for Molecular and Systems Biology, Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada.,Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Ahmad Malik
- Centre for Molecular and Systems Biology, Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada.,Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Rene Quevedo
- Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada.,Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
| | - Ellen Langille
- Centre for Molecular and Systems Biology, Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada.,Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Katie Teng
- Centre for Molecular and Systems Biology, Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Robin H Oh
- Centre for Molecular and Systems Biology, Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada.,Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Bhavisha Rathod
- Centre for Molecular and Systems Biology, Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Ricky Tsai
- Centre for Molecular and Systems Biology, Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Payman Samavarchi-Tehrani
- Centre for Molecular and Systems Biology, Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Trevor J Pugh
- Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada.,Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada.,Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - Anne-Claude Gingras
- Centre for Molecular and Systems Biology, Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada.,Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Daniel Schramek
- Centre for Molecular and Systems Biology, Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada. .,Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
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133
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Weskamp G, Tüshaus J, Li D, Feederle R, Maretzky T, Swendemann S, Falck-Pedersen E, McIlwain DR, Mak TW, Salmon JE, Lichtenthaler SF, Blobel CP. ADAM17 stabilizes its interacting partner inactive Rhomboid 2 (iRhom2) but not inactive Rhomboid 1 (iRhom1). J Biol Chem 2020; 295:4350-4358. [PMID: 32060096 PMCID: PMC7105298 DOI: 10.1074/jbc.ra119.011136] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 02/04/2020] [Indexed: 11/06/2022] Open
Abstract
The metalloprotease ADAM17 (a disintegrin and metalloprotease 17) is a key regulator of tumor necrosis factor α (TNFα), interleukin 6 receptor (IL-6R), and epidermal growth factor receptor (EGFR) signaling. ADAM17 maturation and function depend on the seven-membrane-spanning inactive rhomboid-like proteins 1 and 2 (iRhom1/2 or Rhbdf1/2). Most studies to date have focused on overexpressed iRhom1 and -2, so only little is known about the properties of the endogenous proteins. Here, we show that endogenous iRhom1 and -2 can be cell surface-biotinylated on mouse embryonic fibroblasts (mEFs), revealing that endogenous iRhom1 and -2 proteins are present on the cell surface and that iRhom2 also is present on the surface of lipopolysaccharide-stimulated primary bone marrow-derived macrophages. Interestingly, very little, if any, iRhom2 was detectable in mEFs or bone marrow-derived macrophages lacking ADAM17, suggesting that iRhom2 is stabilized by ADAM17. By contrast, the levels of iRhom1 were slightly increased in the absence of ADAM17 in mEFs, indicating that its stability does not depend on ADAM17. These findings support a model in which iRhom2 and ADAM17 are obligate binding partners and indicate that iRhom2 stability requires the presence of ADAM17, whereas iRhom1 is stable in the absence of ADAM17.
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Affiliation(s)
- Gisela Weskamp
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, New York, New York 10021
| | - Johanna Tüshaus
- Institute for Advanced Study, Technical University Munich, 85748 Garching, Germany; Neuroproteomics, School of Medicine, Klinikum rechts der Isar, Technical University Munich, 81675 Munich, Germany; German Center for Neurodegenerative Diseases (DZNE), 81377 Munich, Germany
| | - Daniel Li
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, New York, New York 10021
| | - Regina Feederle
- German Center for Neurodegenerative Diseases (DZNE), 81377 Munich, Germany; Institute for Diabetes and Obesity, Monoclonal Antibody Core Facility, Helmholtz Zentrum Munich, German Research Center for Environmental Health, 85764 Neuherberg, Germany
| | - Thorsten Maretzky
- Inflammation Program and Department of Internal Medicine, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, Iowa 52242
| | - Steven Swendemann
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, New York, New York 10021
| | - Erik Falck-Pedersen
- Department of Biochemistry, Cellular and Molecular Biology, Weill Cornell Medicine, New York, New York 10021
| | - David R McIlwain
- Baxter Laboratory in Stem Cell Biology, Department of Microbiology and Immunology, Stanford University, Stanford, California 94305
| | - Tak W Mak
- Campbell Family Institute for Breast Cancer Research, Ontario Cancer Institute, University Health Network, Toronto, Ontario M5G 2M9, Canada
| | - Jane E Salmon
- Autoimmunity and Inflammation Program, Hospital for Special Surgery, New York, New York 10021; Department of Medicine, Weill Cornell Medicine, New York, New York 10021
| | - Stefan F Lichtenthaler
- Institute for Advanced Study, Technical University Munich, 85748 Garching, Germany; Neuroproteomics, School of Medicine, Klinikum rechts der Isar, Technical University Munich, 81675 Munich, Germany; German Center for Neurodegenerative Diseases (DZNE), 81377 Munich, Germany; Munich Cluster for Systems Neurology (SyNergy), 81377 Munich, Germany
| | - Carl P Blobel
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, New York, New York 10021; Institute for Advanced Study, Technical University Munich, 85748 Garching, Germany; Department of Medicine, Weill Cornell Medicine, New York, New York 10021; Department of Physiology, Biophysics and Systems Biology, Weill Cornell Medicine, New York, New York 10021.
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134
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Smith TM, Tharakan A, Martin RK. Targeting ADAM10 in Cancer and Autoimmunity. Front Immunol 2020; 11:499. [PMID: 32265938 PMCID: PMC7105615 DOI: 10.3389/fimmu.2020.00499] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 03/04/2020] [Indexed: 12/13/2022] Open
Abstract
Generating inhibitors for A Disintegrin And Metalloproteinase 10 (ADAM10), a zinc-dependent protease, was heavily invested in by the pharmaceutical industry starting over 20 years ago. There has been much enthusiasm in basic research for these inhibitors, with a multitude of studies generating significant data, yet the clinical trials have not replicated the same results. ADAM10 is ubiquitously expressed and cleaves many important substrates such as Notch, PD-L1, EGFR/HER ligands, ICOS-L, TACI, and the "stress related molecules" MIC-A, MIC-B and ULBPs. This review goes through the most recent pre-clinical data with inhibitors as well as clinical data supporting the use of ADAM10 inhibitor use in cancer and autoimmunity. It additionally addresses how ADAM10 inhibitor therapy can be improved and if inhibitor therapy can be paired with other drug treatments to maximize effectiveness in various disease states. Finally, it examines the ADAM10 substrates that are important to each disease state and if any of these substrates or ADAM10 itself is a potential biomarker for disease.
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Affiliation(s)
| | | | - Rebecca K. Martin
- Department of Microbiology and Immunology, School of Medicine, Virginia Commonwealth University, Richmond, VA, United States
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135
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Heib M, Rose-John S, Adam D. Necroptosis, ADAM proteases and intestinal (dys)function. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2020; 353:83-152. [PMID: 32381179 DOI: 10.1016/bs.ircmb.2020.02.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Recently, an unexpected connection between necroptosis and members of the a disintegrin and metalloproteinase (ADAM) protease family has been reported. Necroptosis represents an important cell death routine which helps to protect from viral, bacterial, fungal and parasitic infections, maintains adult T cell homeostasis and contributes to the elimination of potentially defective organisms before parturition. Equally important for organismal homeostasis, ADAM proteases control cellular processes such as development and differentiation, immune responses or tissue regeneration. Notably, necroptosis as well as ADAM proteases have been implicated in the control of inflammatory responses in the intestine. In this review, we therefore provide an overview of the physiology and pathophysiology of necroptosis, ADAM proteases and intestinal (dys)function, discuss the contribution of necroptosis and ADAMs to intestinal (dys)function, and review the current knowledge on the role of ADAMs in necroptotic signaling.
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Affiliation(s)
- Michelle Heib
- Institut für Immunologie, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
| | - Stefan Rose-John
- Institut für Biochemie, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
| | - Dieter Adam
- Institut für Immunologie, Christian-Albrechts-Universität zu Kiel, Kiel, Germany.
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136
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Tang B, Li X, Maretzky T, Perez-Aguilar JM, McIlwain D, Xie Y, Zheng Y, Mak TW, Weinstein H, Blobel CP. Substrate-selective protein ectodomain shedding by ADAM17 and iRhom2 depends on their juxtamembrane and transmembrane domains. FASEB J 2020; 34:4956-4969. [PMID: 32103528 DOI: 10.1096/fj.201902649r] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 01/09/2020] [Accepted: 01/20/2020] [Indexed: 12/17/2022]
Abstract
The metalloprotease ADAM17 (a disintegrin and metalloprotease 17) regulates EGF-receptor and TNFα signaling, thereby not only protecting the skin and intestinal barrier, but also contributing to autoimmunity. ADAM17 can be rapidly activated by many stimuli through its transmembrane domain (TMD), with the seven membrane-spanning inactive Rhomboids (iRhom) 1 and 2 implicated as candidate regulatory partners. However, several alternative models of ADAM17 regulation exist that do not involve the iRhoms, such as regulation through disulfide bond exchange or through interaction with charged phospholipids. Here, we report that a non-activatable mutant of ADAM17 with the TMD of betacellulin (BTC) can be rescued by restoring residues from the ADAM17 TMD, but only in Adam17-/- cells, which contain iRhoms, not in iRhom1/2-/- cells. We also provide the first evidence that the extracellular juxtamembrane domains (JMDs) of ADAM17 and iRhom2 regulate the stimulation and substrate selectivity of ADAM17. Interestingly, a point mutation in the ADAM17 JMD identified in a patient with Tetralogy of Fallot, a serious heart valve defect, affects the substrate selectivity of ADAM17 toward Heparin-binding epidermal growth factor like growth factor (HB-EGF), a crucial regulator of heart valve development in mice. These findings provide new insights into the regulation of ADAM17 through an essential interaction with the TMD1 and JMD1 of iRhom2.
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Affiliation(s)
- Beiyu Tang
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, New York, NY, USA.,Department of Pharmacology, Weill Cornell Medicine, New York, NY, USA
| | - Xue Li
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, New York, NY, USA.,Department of Biochemistry, Cellular and Molecular Biology, Weill Cornell Medicine, New York, NY, USA
| | - Thorsten Maretzky
- Inflammation Program and Department of Internal Medicine, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Jose Manuel Perez-Aguilar
- Department of Physiology, Biophysics and Systems Biology, Weill Cornell Medicine, New York, NY, USA.,School of Chemical Sciences, Meritorious Autonomous University of Puebla (BUAP), Puebla, Mexico
| | - David McIlwain
- Baxter Laboratory in Stem Cell Biology, Department of Microbiology and Immunology, Stanford University, Stanford, CA, USA.,Campbell Family Institute for Breast Cancer Research, Princess Margaret Cancer Center, University Health Network, Toronto, ON, Canada
| | - Yifang Xie
- Obstetrics and Gynecology Hospital, Institute of Reproduction and Development, State Key Laboratory of Genetic, Engineering at School of Life Sciences, Fudan University, Shanghai, China.,Key Laboratory of Reproduction Regulation of NPFPC, Collaborative Innovation Center of Genetics and Development, Fudan University, Shanghai, China.,Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Yufang Zheng
- Obstetrics and Gynecology Hospital, Institute of Reproduction and Development, State Key Laboratory of Genetic, Engineering at School of Life Sciences, Fudan University, Shanghai, China.,Key Laboratory of Reproduction Regulation of NPFPC, Collaborative Innovation Center of Genetics and Development, Fudan University, Shanghai, China.,Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Tak W Mak
- Campbell Family Institute for Breast Cancer Research, Princess Margaret Cancer Center, University Health Network, Toronto, ON, Canada
| | - Harel Weinstein
- Department of Physiology, Biophysics and Systems Biology, Weill Cornell Medicine, New York, NY, USA
| | - Carl P Blobel
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, New York, NY, USA.,Department of Physiology, Biophysics and Systems Biology, Weill Cornell Medicine, New York, NY, USA.,Institute for Advanced Study, Technical University Munich, Garching, Germany
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137
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Abstract
PURPOSE OF REVIEW The aim of this review is to discuss recent developments in our understanding of how systemic lupus erythematosus (SLE)-associated genes contribute to autoimmunity. RECENT FINDINGS Gene-function studies have revealed mechanisms through which SLE-associated alleles of IFIH1, TNFAIP3, IRF5, and PRDM1 likely contribute to the development of autoimmunity. Novel research has identified Mac-1 (encoded by ITGAM), CaMK4, and iRhom2 as plausible therapeutic targets in lupus nephritis. SUMMARY The work discussed in this review has broad implications for our understanding of the pathogenesis of SLE and for the development of novel therapeutic strategies.
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138
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Kania G, Rudnik M, Distler O. Involvement of the myeloid cell compartment in fibrogenesis and systemic sclerosis. Nat Rev Rheumatol 2020; 15:288-302. [PMID: 30953037 DOI: 10.1038/s41584-019-0212-z] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Systemic sclerosis (SSc) is an autoimmune fibrotic disease of unknown aetiology that is characterized by vascular changes in the skin and visceral organs. Autologous haematopoietic stem cell transplantation can improve skin and organ fibrosis in patients with progressive disease and a high risk of organ failure, indicating that cells originating in the bone marrow are important contributors to the pathogenesis of SSc. Animal studies also indicate a pivotal function of myeloid cells in the development of fibrosis leading to changes in the tissue architecture and dysfunction in multiple organs such as the heart, lungs, liver and kidney. In this Review, we summarize current knowledge about the function of myeloid cells in fibrogenesis that occurs in patients with SSc. Targeted therapies currently in clinical studies for SSc might affect myeloid cell-related pathways. Therefore, myeloid cells might be used as cellular biomarkers of disease through the application of high-dimensional techniques such as mass cytometry and single-cell RNA sequencing.
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Affiliation(s)
- Gabriela Kania
- Department of Rheumatology, Center of Experimental Rheumatology, University Hospital Zurich, Zurich, Switzerland
| | - Michal Rudnik
- Department of Rheumatology, Center of Experimental Rheumatology, University Hospital Zurich, Zurich, Switzerland
| | - Oliver Distler
- Department of Rheumatology, Center of Experimental Rheumatology, University Hospital Zurich, Zurich, Switzerland.
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139
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A Bispecific Inhibitor of the EGFR/ADAM17 Axis Decreases Cell Proliferation and Migration of EGFR-Dependent Cancer Cells. Cancers (Basel) 2020; 12:cancers12020411. [PMID: 32050662 PMCID: PMC7072247 DOI: 10.3390/cancers12020411] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 01/22/2020] [Accepted: 02/07/2020] [Indexed: 01/05/2023] Open
Abstract
Dysregulated epidermal growth factor receptor (EGFR) is an oncogenic driver of many human cancers, promoting aberrant cell proliferation, migration, and survival. Pharmacological targeting of EGFR is often challenged by acquired mechanisms of resistance. Ligand-dependent mechanisms in EGFR wild-type cells rely on ligand or receptor overexpression, allowing cells to outcompete inhibitors and perpetuate signaling in an autocrine manner. Importantly, EGFR ligands are synthesized as membrane-bound precursors that must be solubilized to enable receptor-ligand interactions. The A disintegrin and metalloproteinase 17 (ADAM17) is considered the main sheddase of several EGFR ligands, and a potential pharmacological target. However, its broad substrate range and ubiquitous expression complicate its therapeutic targeting. Here, we present a novel bispecific fusion protein construct consisting of the inhibitory prodomain of ADAM17 (TPD), fused to an EGFR-targeting designed ankyrin repeat protein (DARPin). TPD is a natural inhibitor of ADAM17, maintaining the protease in a zymogen-like form. Meanwhile, the high affinity anti-EGFR DARPin E01 binds to EGFR and inhibits ligand binding. The resulting fusion protein E01-GS-TPD retained binding ability to both molecular targets EGFR and ADAM17. The large difference in affinity for each target resulted in enrichment of the fusion protein in EGFR-positive cells compared to EGFR-negative cells, suggesting a possible application in autocrine signaling inhibition. Accordingly, E01-GS-TPD decreased migration and proliferation of EGFR-dependent cell lines with no significant increase in apoptotic cell death. Finally, inhibition of proliferation was observed through EGFR ligand-dependent mechanisms as growth inhibition was not observed in EGFR mutant or KRAS mutant cell lines. The use of bispecific proteins targeting the EGFR/ADAM17 axis could be an innovative strategy for the treatment of EGFR-dependent cancers.
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140
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Maurer S, Kopp HG, Salih HR, Kropp KN. Modulation of Immune Responses by Platelet-Derived ADAM10. Front Immunol 2020; 11:44. [PMID: 32117229 PMCID: PMC7012935 DOI: 10.3389/fimmu.2020.00044] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 01/09/2020] [Indexed: 12/15/2022] Open
Abstract
Platelets have a crucial function in maintaining hemostasis. However, beyond their role in coagulation and thrombus formation, platelets have been implicated to affect various pathophysiological conditions such as infectious diseases, autoimmune disorders, and cancer. It is well-established that platelets aid local cancer growth by providing growth factors or contributing to cancer angiogenesis. In addition, they promote metastasis, among others by facilitation of tumor cell-extravasation and epithelial-to-mesenchymal-like transition as well as protecting metastasizing cancer cells from immunosurveillance. A variety of membrane-bound and soluble platelet-derived factors are involved in these processes, and many aspects of platelet biology in both health and disease are regulated by platelet-associated metalloproteinases and their inhibitors. Platelets synthesize (i) members of the matrix metalloproteinase (MMP) family and also inhibitors of MMPs such as members of the "tissue inhibitor of metalloproteinases" (TIMP) family as well as (ii) members of the "a disintegrin and metalloproteinase" (ADAM) family including ADAM10. Notably, platelet-associated metalloproteinase activity not only influences functions of platelets themselves: platelets can also induce expression and/or release of metalloproteinases e.g., in leukocytes or cancer cells, and ADAMs are emerging as important components by which platelets directly affect other cell types and function. This review outlines the function of metalloproteinases in platelet biology with a focus on ADAM10 and discusses the role of platelet-derived metalloproteinases in the interaction of platelets with components of the immune system and/or cancer cells.
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Affiliation(s)
- Stefanie Maurer
- Clinical Collaboration Unit Translational Immunology, German Cancer Consortium (DKTK), Department of Internal Medicine, University Hospital Tuebingen, Tuebingen, Germany.,DFG Cluster of Excellence 2180 'Image-guided and Functional Instructed Tumor Therapy' (IFIT), University of Tuebingen, Tubingen, Germany.,Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Hans-Georg Kopp
- Departments of Molecular Oncology and Thoracic Oncology, Robert-Bosch-Hospital Stuttgart, Stuttgart, Germany
| | - Helmut R Salih
- Clinical Collaboration Unit Translational Immunology, German Cancer Consortium (DKTK), Department of Internal Medicine, University Hospital Tuebingen, Tuebingen, Germany.,DFG Cluster of Excellence 2180 'Image-guided and Functional Instructed Tumor Therapy' (IFIT), University of Tuebingen, Tubingen, Germany
| | - Korbinian N Kropp
- Department of Hematology, Medical Oncology and Pneumology, University Medical Center of Mainz, Mainz, Germany
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141
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Kim JH, Hwang SW, Koh J, Chun J, Lee C, Im JP, Kim JS. Inactive Rhomboid Protein 2 Mediates Intestinal Inflammation by Releasing Tumor Necrosis Factor-α. Inflamm Bowel Dis 2020; 26:242-253. [PMID: 31586441 DOI: 10.1093/ibd/izz239] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Indexed: 12/19/2022]
Abstract
BACKGROUND Tumor necrosis factor (TNF)-α is a major proinflammatory cytokine that plays a key role in inflammatory bowel disease (IBD). Inactive rhomboid protein 2 (iRhom2) is essential for activating TNF-α-converting enzyme (TACE) in immune cells, which regulates TNF-α release. The aim of the study was to investigate the role of iRhom2 in intestinal inflammation in IBD. METHODS The expression of iRhom2 and TACE in lipopolysaccharide (LPS)-stimulated COLO 205 and RAW 264.7 cells was assessed by reverse transcription polymerase chain reaction (RT-PCR) and Western blot analysis. The expression of iRhom2 and TACE in the colonic tissue of IBD patients and 2,4,6-trinitrobenzenesulfonic acid solution (TNBS)-treated mice was determined by RT-PCR and immunohistochemistry. To assess the role of iRhom2 in intestinal inflammation, colitis was induced in wild-type and iRhom2-/- mice by the administration of TNBS enema. RESULTS In LPS-stimulated COLO 205 and RAW 264.7 cells, the mRNA and protein levels of TACE and iRhom2 were upregulated. The expression of TACE and iRhom2 in the colon of the IBD patients and TNBS-treated mice was significantly enhanced. The inflammatory cells that expressed high levels of iRhom2 in the colon were identified as macrophages. Finally, iRhom2 deficiency ameliorated TNBS-induced colitis by inhibiting TNF-α release. CONCLUSIONS iRhom2 has an important role in intestinal inflammation through TNF-α secretion in immune cells, which suggests that iRhom2 could be a novel therapeutic target for IBD.
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Affiliation(s)
- Jee Hyun Kim
- Department of Gastroenterology, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Republic of Korea
| | - Sung Wook Hwang
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Jaemoon Koh
- Department of Pathology, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jaeyoung Chun
- Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.,Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Changhyun Lee
- Department of Internal Medicine and Healthcare Research Institute, Healthcare System Gangnam Center, Seoul National University Hospital, Seoul, Republic of Korea
| | - Jong Pil Im
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Joo Sung Kim
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea.,Department of Internal Medicine and Healthcare Research Institute, Healthcare System Gangnam Center, Seoul National University Hospital, Seoul, Republic of Korea
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142
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Cyclosporin A activates human hepatocellular carcinoma (HepG2 cells) proliferation: implication of EGFR-mediated ERK1/2 signaling pathway. Naunyn Schmiedebergs Arch Pharmacol 2020; 393:897-908. [PMID: 31907582 DOI: 10.1007/s00210-019-01798-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Accepted: 12/19/2019] [Indexed: 11/27/2022]
Abstract
One of the most common causes of cancer mortality worldwide is hepatocellular carcinoma (HCC). Extracellular signal-regulated kinase (ERK1/2) pathway has been shown to play an important role in the development and progression of HCC. Here, we demonstrate that the immunosuppressive agent cyclosporin A (CsA) has the ability to increase the cellular growth in HCC (HepG2 cells) via activation of ERK1/2 signaling cascade. It was found that ERK1/2 phosphorylation induced by CsA was highly reduced in the presence of the reactive oxygen species (ROS) scavenger polyethylene glycol-superoxide dismutase (PEG-SOD). Furthermore, it was observed that inhibition of metalloproteinase activity using TAPI-2 prevents ERK1/2 activation by CsA. Moreover, a disintegrin and metalloproteinase domain 17 (ADAM-17) activity was found to be critical for ERK phosphorylation by CsA. In addition, CsA-induced ERK phosphorylation was highly reduced in the presence of either neutralizing anti-heparin-binding-epidermal growth factor (HB-EGF) antibody or UO126 (MEK inhibitor). By using the epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor AG1478, it was found that EGFR is critical for ERK phosphorylation induced by CsA. Furthermore, CsA-induced cell proliferation was strongly reduced in the presence of either PEG-SOD or TAPI-2 or neutralizing anti-ADAM17 antibody or neutralizing anti-HB-EGF antibody or AG1478 or UO126. Collectively, these data demonstrate that CsA has the ability to activate ERK1/2 signaling cascade that could be translated into an increase in HepG2 cell proliferation. Furthermore, these data support the role of ROS, ADAM-17, and EGFR in ERK1/2 signaling activation and subsequent cell proliferation induced by CsA in HepG2 cells.
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143
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Gorry M, Yoneyama T, Vujanovic L, Moss ML, Garlin MA, Miller MA, Herman J, Stabile LP, Vujanovic NL. Development of flow cytometry assays for measuring cell-membrane enzyme activity on individual cells. J Cancer 2020; 11:702-715. [PMID: 31942194 PMCID: PMC6959049 DOI: 10.7150/jca.30813] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Accepted: 09/12/2019] [Indexed: 02/06/2023] Open
Abstract
Background: Cell-membrane expressing enzymes such as ADAM (a disintegrin and metalloproteinase) superfamily members are thought to be key catalysts of vital cellular functions. To directly measure these enzymes and determine their association with particular cells and functions, individual-cell membrane-bound enzyme activity assays are required, but unavailable. Methods: We developed two such assays, using a fluorescence resonance energy transfer (FRET) peptide substrate (FPS) and flow cytometry. One assay measured live-cell natural processing of FPS and binding of its fluorescent product onto individual-cell membrane-bound enzymes. The other assay measured processing of specifically-bound and glutaraldehyde-crosslinked FPS, and consequent generation of its coupled fluorescent product onto individual-cell membrane-bound enzymes. Results: Confocal-microscopy imaging indicated that proteolytic processing of FPS selectively occurred on and labeled cell membrane of individual cells. The new assays measured specific increases of cell-associated FPS fluorescent product in substrate-concentration-, temperature- and time-dependent manners. A large proportion of processed FPS fluorescent products remained cell-associated after cell washing, indicating their binding to cell-membrane expressing enzymes. The assays measured higher levels of cell-associated FPS fluorescent product on wild-type than ADAM10-knockout mouse fibroblasts and on human monocytes than lymphocytes, which correlated with ADAM10 presence and expression levels on cell membrane, respectively. Furthermore, the enzyme activity assays could be combined with fluorescent anti-ADAM10 antibody staining to co-label and more directly associate enzyme activity and ADAM10 protein levels on cell membrane of individual cells. Conclusions: We report on two novel assays for measuring cell-membrane anchored enzyme activity on individual cells, and their potential use to directly study specific biology of cell-surface-expressing proteases.
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Affiliation(s)
- Michael Gorry
- University of Pittsburgh Cancer Institute, Pittsburgh, PA.,Department of Pathology, University of Pittsburgh.,VAPHS, Pittsburgh, PA
| | - Toshie Yoneyama
- University of Pittsburgh Cancer Institute, Pittsburgh, PA.,Department of Pathology, University of Pittsburgh.,VAPHS, Pittsburgh, PA
| | - Lazar Vujanovic
- University of Pittsburgh Cancer Institute, Pittsburgh, PA.,Department of Otolaryngology, University of Pittsburgh
| | | | - Michelle A Garlin
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Miles A Miller
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - James Herman
- University of Pittsburgh Cancer Institute, Pittsburgh, PA.,Department of Medicine, University of Pittsburgh
| | - Laura P Stabile
- University of Pittsburgh Cancer Institute, Pittsburgh, PA.,Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, PA
| | - Nikola L Vujanovic
- University of Pittsburgh Cancer Institute, Pittsburgh, PA.,Department of Pathology, University of Pittsburgh.,Department of Immunology, University of Pittsburgh.,VAPHS, Pittsburgh, PA
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144
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Nishioka S, Wu PH, Yakabe T, Giaccia AJ, Le QT, Aoyama H, Shimizu S, Shirato H, Onodera Y, Nam JM. Rab27b contributes to radioresistance and exerts a paracrine effect via epiregulin in glioblastoma. Neurooncol Adv 2020; 2:vdaa091. [PMID: 33409495 PMCID: PMC7770522 DOI: 10.1093/noajnl/vdaa091] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Radiotherapy is the standard treatment for glioblastoma (GBM). However, radioresistance of GBM cells leads to recurrence and poor patient prognosis. Recent studies suggest that secretion factors have important roles in radioresistance of tumor cells. This study aims to determine whether Rab27b, a small GTPase involved in secretory vesicle trafficking, plays a role in radioresistance of GBM. METHODS Microarray analysis, cell viability analysis, apoptosis assay, immunostaining, and in vivo experiments were performed to assess the effect of Rab27b on radioresistance of GBM. We further investigated paracrine effects mediated by Rab27b after X-ray irradiation using coculture systems of glioma cell lines. RESULTS Rab27b was specifically upregulated in irradiated U87MG cells. Furthermore, Rab27b knockdown decreased the proliferation of GBM cells after irradiation. Knockdown of Rab27b in U87MG cells combined with radiation treatment suppressed orthotopic tumor growth in the mouse brain and prolonged the survival of recipient mice. Interestingly, the co-upregulation of Rab27b and epiregulin (EREG), a member of the epidermal growth factor (EGF) family, correlated with radioresistance in glioma cell lines. Additionally, EREG, which was secreted from U87MG cells via Rab27b-mediated mechanism, activated EGF receptor and contributed to H4 cell proliferation in a paracrine manner. CONCLUSIONS Our results show that Rab27b mediates the radioresistance of highly malignant GBM cells. Rab27b promotes the proliferation of adjacent cells through EREG-mediated paracrine signaling after irradiation. Thus, the Rab27b-EREG pathway is a novel potential target to improve the efficacy of radiotherapy in GBM.
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Affiliation(s)
- Soichiro Nishioka
- Molecular and Cellular Dynamics Research, Graduate School of Biomedical Science and Engineering, Hokkaido University, Sapporo, Japan
- Global Center for Biomedical Science and Engineering, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Ping-Hsiu Wu
- Global Center for Biomedical Science and Engineering, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | | | - Amato J Giaccia
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California, USA
| | - Quynh-Thu Le
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California, USA
| | - Hidefumi Aoyama
- Department of Radiation Oncology, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Shinichi Shimizu
- Global Center for Biomedical Science and Engineering, Faculty of Medicine, Hokkaido University, Sapporo, Japan
- Department of Radiation Medical Science and Engineering, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Hiroki Shirato
- Global Center for Biomedical Science and Engineering, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Yasuhito Onodera
- Global Center for Biomedical Science and Engineering, Faculty of Medicine, Hokkaido University, Sapporo, Japan
- Department of Molecular Biology, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Jin-Min Nam
- Global Center for Biomedical Science and Engineering, Faculty of Medicine, Hokkaido University, Sapporo, Japan
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145
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Foroughi S, Tie J, Gibbs P, Burgess AW. Epidermal growth factor receptor ligands: targets for optimizing treatment of metastatic colorectal cancer. Growth Factors 2019; 37:209-225. [PMID: 31878812 DOI: 10.1080/08977194.2019.1703702] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The discovery of epidermal growth factor (EGF) and its receptor (EGFR) revealed the connection between EGF-like ligands, signaling from the EGFR family members and cancer. Over the next fifty years, analysis of EGFR expression and mutation led to the use of monoclonal antibodies to target EGFR in the treatment of metastatic colorectal cancer (mCRC) and this treatment has improved outcomes for patients. The use of the RAS oncogene mutational status has helped to refine patient selection for EGFR antibody therapy, but an effective molecular predictor of likely responders is lacking. This review analyzes the potential utility of measuring the expression, levels and activation of EGF-like ligands and associated processes as prognostic or predictive markers for the identification of patient risk and more effective mCRC therapies.
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Affiliation(s)
- Siavash Foroughi
- Personalised Oncology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, Australia
| | - Jeanne Tie
- Personalised Oncology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, Australia
- Department of Medical Oncology, Peter MacCallum Cancer Centre, Melbourne, Australia
- Department of Medical Oncology, Western Health, St Albans, Australia
| | - Peter Gibbs
- Personalised Oncology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, Australia
- Department of Medical Oncology, Western Health, St Albans, Australia
| | - Antony Wilks Burgess
- Personalised Oncology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, Australia
- Department of Surgery, Royal Melbourne Hospital, The University of Melbourne, Parkville, Australia
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146
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Rhomboid-Like-2 Intramembrane Protease Mediates Metalloprotease-Independent Regulation of Cadherins. Int J Mol Sci 2019; 20:ijms20235958. [PMID: 31783481 PMCID: PMC6928865 DOI: 10.3390/ijms20235958] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 11/25/2019] [Accepted: 11/25/2019] [Indexed: 11/17/2022] Open
Abstract
Cadherins are a major family of cell-cell adhesive receptors, which are implicated in development, tissue homeostasis, and cancer. Here, we show a novel mechanism of post-translational regulation of E-cadherin in cancer cells by an intramembrane protease of the Rhomboid family, RHBDL2, which leads to the shedding of E-cadherin extracellular domain. In addition, our data indicate that RHBDL2 mediates a similar activity on VE-cadherin, which is selectively expressed by endothelial cells. We show that RHBDL2 promotes cell migration, which is consistent with its ability to interfere with the functional role of cadherins as negative regulators of motility; moreover, the two players appear to lie in the same functional pathway. Importantly, we show that RHBDL2 expression is induced by the inflammatory chemokine TNFα. The E-cadherin extracellular domain is known to be released by metalloproteases (MMPs); however, here, we provide evidence of a novel MMP-independent, TNFα inducible, E-cadherin processing mechanism that is mediated by RHBDL2. Thus, the intramembrane protease RHBDL2 is a novel regulator of cadherins promoting cell motility.
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147
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Zaborowski MP, Cheah PS, Zhang X, Bushko I, Lee K, Sammarco A, Zappulli V, Maas SLN, Allen RM, Rumde P, György B, Aufiero M, Schweiger MW, Lai CPK, Weissleder R, Lee H, Vickers KC, Tannous BA, Breakefield XO. Membrane-bound Gaussia luciferase as a tool to track shedding of membrane proteins from the surface of extracellular vesicles. Sci Rep 2019; 9:17387. [PMID: 31758005 PMCID: PMC6874653 DOI: 10.1038/s41598-019-53554-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 10/25/2019] [Indexed: 12/29/2022] Open
Abstract
Extracellular vesicles (EVs) released by cells play a role in intercellular communication. Reporter and targeting proteins can be modified and exposed on the surface of EVs to investigate their half-life and biodistribution. A characterization of membrane-bound Gaussia luciferase (mbGluc) revealed that its signal was detected also in a form smaller than common EVs (<70 nm). We demonstrated that mbGluc initially exposed on the surface of EVs, likely undergoes proteolytic cleavage and processed fragments of the protein are released into the extracellular space in active form. Based on this observation, we developed a new assay to quantitatively track shedding of membrane proteins from the surface of EVs. We used this assay to show that ectodomain shedding in EVs is continuous and is mediated by specific proteases, e.g. metalloproteinases. Here, we present a novel tool to study membrane protein cleavage and release using both in vitro and in vivo models.
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Affiliation(s)
- Mikołaj Piotr Zaborowski
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA.
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA.
- Department of Gynecology, Obstetrics and Gynecologic Oncology, Division of Gynecologic Oncology, Poznan University of Medical Sciences, 60-535, Poznań, Poland.
| | - Pike See Cheah
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Xuan Zhang
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
| | - Isabella Bushko
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
| | - Kyungheon Lee
- Center for Systems Biology, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Alessandro Sammarco
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
- Department of Comparative Biomedicine and Food Science, University of Padua, Padua, Italy
| | - Valentina Zappulli
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
- Department of Comparative Biomedicine and Food Science, University of Padua, Padua, Italy
| | - Sybren Lein Nikola Maas
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
- Department of Neurosurgery, UMC Utrecht Brain Center, University Medical Center, Utrecht University, 3584 CX, Utrecht, The Netherlands
| | - Ryan M Allen
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, 37232, USA
| | - Purva Rumde
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
| | - Bence György
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
- Institute of Molecular and Clinical Ophthalmology Basel, 4031, Basel, Switzerland
| | - Massimo Aufiero
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
| | - Markus W Schweiger
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
| | - Charles Pin-Kuang Lai
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, 10617, Taiwan
| | - Ralph Weissleder
- Center for Systems Biology, Massachusetts General Hospital, Boston, MA, 02114, USA
- Department of Radiology, Massachusetts General Hospital, Boston, MA, 02114, USA
- Department of Systems Biology, Harvard Medical School, Boston, MA, 02115, USA
| | - Hakho Lee
- Center for Systems Biology, Massachusetts General Hospital, Boston, MA, 02114, USA
- Department of Radiology, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Kasey C Vickers
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, 37232, USA
| | - Bakhos A Tannous
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
- Department of Radiology, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Xandra O Breakefield
- Department of Neurology, Massachusetts General Hospital, Charlestown, MA, 02129, USA.
- Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA.
- Department of Radiology, Massachusetts General Hospital, Boston, MA, 02114, USA.
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148
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Ivars M, España A, Alzuguren P, Pelacho B, Lasarte JJ, López-Zabalza MJ. The involvement of ADAM10 in acantholysis in mucocutaneous pemphigus vulgaris depends on the autoantibody profile of each patient. Br J Dermatol 2019; 182:1194-1204. [PMID: 31370093 DOI: 10.1111/bjd.18382] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/26/2019] [Indexed: 01/05/2023]
Abstract
BACKGROUND Acantholysis in pemphigus vulgaris (PV) may be triggered by desmoglein (Dsg) and non-Dsg autoantibodies. The autoantibody profile of each patient results in distinct intracellular signalling patterns. OBJECTIVES Based on our previous findings, we aimed to elucidate whether PV acantholysis in a mouse model may be mediated by activation of a disintegrin and metalloproteinase 10 (ADAM10). METHODS We used three PV-IgG fractions from different patients containing high or low levels of anti-Dsg1 and anti-Dsg3 antibodies, and the presence or not of anti-desmocollin (Dsc) antibodies, using a passive transfer mouse model of PV. RESULTS Although all of the PV-IgG fractions produced suprabasal acantholysis, only those containing anti-Dsg1/3, but not anti-Dsc2/3 antibodies, induced ADAM10 activation in a Src-dependent way, and an increase in the epidermal growth factor (EGF) receptor ligands EGF and betacellulin (BTC). In contrast, the presence of anti-Dsc2/3 antibodies, in addition to anti-Dsg1/3, triggered earlier and ADAM10-independent epidermal detachment, with no increase in EGF and BTC, which was associated with an earlier and more intense acantholysis. CONCLUSIONS All PV-IgG fractions produced suprabasal acantholysis, but our results reveal that depending on the levels of anti-Dsg antibodies or the presence of non-Dsg antibodies, such as anti-Dsc, more severe cell-cell epidermal detachment will occur at different times, and in an ADAM10-dependent manner or not. Acantholysis in these different groups of patients with PV may be a consequence of the activation of specific intracellular mechanisms downstream of Autoantibodies binding to Dsg or non-Dsg proteins, and therefore more specific therapeutic approaches in PV should be used. What's already known about this topic? Suprabasal acantholysis in pemphigus vulgaris (PV) may be triggered by both desmoglein (Dsg) and non-Dsg autoantibodies. The autoantibody profile of each patient is associated with a distinct intracellular signalling pattern. What does this study add? In patients with PV with anti-Dsg3 and anti-Dsg1, but not anti-desmocollin (Dsc)3 antibodies, ADAM10 activation is induced in an Src-dependent way, together with an increase in the epidermal growth factor receptor (EGFR) ligands EGF and betacellulin. The presence of anti-Dsc3 antibodies triggers an earlier and ADAM10-independent acantholysis, without increasing EGFR ligands, and is associated with more severe epidermal detachment. Lower levels of anti-Dsc3 antibodies are associated with less severe acantholysis. What is the translational message? In some patients with PV, the severity and the timing for cell-cell detachment seem to depend on the level of anti-Dsg1/3 antibodies, although other as yet uncharacterized antibodies may also participate. These patients with PV would exhibit inhibition of acantholysis by Src, ADAM10, EGF and EGFR inhibitors. In other patients, the presence of non-Dsg antibodies, such as anti-Dsc2/3, would produce an earlier and more severe ADAM10-independent suprabasal acantholysis.
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Affiliation(s)
- M Ivars
- Department of Dermatology, University Clinic of Navarra, School of Medicine, Pamplona, Navarra, Spain
| | - A España
- Department of Dermatology, University Clinic of Navarra, School of Medicine, Pamplona, Navarra, Spain.,IdiSNA, Navarra Institute for Health Research, Pamplona, Navarra, Spain
| | - P Alzuguren
- Department of Dermatology, University Clinic of Navarra, School of Medicine, Pamplona, Navarra, Spain
| | - B Pelacho
- IdiSNA, Navarra Institute for Health Research, Pamplona, Navarra, Spain.,Laboratory of Regenerative Medicine, Center for Applied Medical Research, University of Navarra, Pamplona, Navarra, Spain
| | - J J Lasarte
- IdiSNA, Navarra Institute for Health Research, Pamplona, Navarra, Spain.,Center for Applied Medical Research, Program of Immunology and Immunotherapy, University of Navarra, Pamplona, Navarra, Spain
| | - M J López-Zabalza
- Department of Biochemistry and Genetics, University of Navarra, Pamplona, Navarra, Spain
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149
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Camodeca C, Cuffaro D, Nuti E, Rossello A. ADAM Metalloproteinases as Potential Drug Targets. Curr Med Chem 2019; 26:2661-2689. [PMID: 29589526 DOI: 10.2174/0929867325666180326164104] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 03/12/2018] [Accepted: 03/12/2018] [Indexed: 01/01/2023]
Abstract
The ADAMs, together with ADAMTSs and snake venom metalloproteases (SVMPs), are members of the Adamalysin family. Differences in structural organization, functions and localization are known and their domains, catalytic or non-catalytic, show key roles in the substrate recognition and protease activity. Some ADAMs, as membrane-bound enzymes, show sheddase activity. Sheddases are key to modulation of functional proteins such as the tumor necrosis factor, growth factors, cytokines and their receptors, adhesion proteins, signaling molecules and stress molecules involved in immunity. These activities take part in the regulation of several physiological and pathological processes including inflammation, tumor growth, metastatic progression and infectious diseases. On these bases, some ADAMs are currently investigated as drug targets to develop new alternative therapies in many fields of medicine. This review will be focused on these aspects.
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Affiliation(s)
- Caterina Camodeca
- Department of Pharmacy, University of Pisa, Via Bonanno 6, Pisa, Italy
| | - Doretta Cuffaro
- Department of Pharmacy, University of Pisa, Via Bonanno 6, Pisa, Italy
| | - Elisa Nuti
- Department of Pharmacy, University of Pisa, Via Bonanno 6, Pisa, Italy
| | - Armando Rossello
- Department of Pharmacy, University of Pisa, Via Bonanno 6, Pisa, Italy
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150
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Hussain AA, Lee Y, Marshall J. Understanding the complexity of the matrix metalloproteinase system and its relevance to age-related diseases: Age-related macular degeneration and Alzheimer's disease. Prog Retin Eye Res 2019; 74:100775. [PMID: 31473329 DOI: 10.1016/j.preteyeres.2019.100775] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 08/25/2019] [Accepted: 08/27/2019] [Indexed: 01/26/2023]
Abstract
Extracellular matrices (ECMs) are maintained by tightly coupled processes of continuous synthesis and degradation. The degradative arm is mediated by a family of proteolytic enzymes called the matrix metalloproteinases (MMPs). These enzymes are released as latent proteins (pro-MMPs) and on activation are capable of degrading most components of an ECM. Activity of these enzymes is checked by the presence of tissue inhibitors of MMPs (TIMPs) and current opinion holds that the ratio of TIMPs/MMPs determines the relative rate of degradation. Thus, elevated ratios are thought to compromise degradation leading to the accumulation of abnormal ECM material, whilst diminished ratios are thought to lead to excessive ECM degradation (facilitating angiogenesis and the spread of cancer cells). Our recent work has shown this system to be far more complex. MMP species tend to undergo covalent modification leading to homo- and hetero-dimerization and aggregation resulting in the formation of very large macromolecular weight MMP complexes (LMMCs). In addition, the various MMP species also show a bound-free compartmentalisation. The net result of these changes is to reduce the availability of the latent forms of MMPs for the activation process. An assessment of the degradation potential of the MMP system in any tissue must therefore take into account the degree of sequestration of the latent MMP species, a protocol that has not previously been addressed. Taking into consideration the complexities already described, we will present an analysis of the MMP system in two common neurodegenerative disorders, namely age-related macular degeneration (AMD) and Alzheimer's disease (AD).
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Affiliation(s)
- Ali A Hussain
- Department of Genetics, UCL Institute of Ophthalmology, London, UK.
| | - Yunhee Lee
- Alt-Regen Co., Ltd, Heungdeok IT Valley, Yongin, Republic of Korea.
| | - John Marshall
- Department of Genetics, UCL Institute of Ophthalmology, London, UK.
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