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Yamamoto K, Scilabra SD, Bonelli S, Jensen A, Scavenius C, Enghild JJ, Strickland DK. Novel insights into the multifaceted and tissue-specific roles of the endocytic receptor LRP1. J Biol Chem 2024; 300:107521. [PMID: 38950861 DOI: 10.1016/j.jbc.2024.107521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 06/22/2024] [Accepted: 06/26/2024] [Indexed: 07/03/2024] Open
Abstract
Receptor-mediated endocytosis provides a mechanism for the selective uptake of specific molecules thereby controlling the composition of the extracellular environment and biological processes. The low-density lipoprotein receptor-related protein 1 (LRP1) is a widely expressed endocytic receptor that regulates cellular events by modulating the levels of numerous extracellular molecules via rapid endocytic removal. LRP1 also participates in signalling pathways through this modulation as well as in the interaction with membrane receptors and cytoplasmic adaptor proteins. LRP1 SNPs are associated with several diseases and conditions such as migraines, aortic aneurysms, cardiopulmonary dysfunction, corneal clouding, and bone dysmorphology and mineral density. Studies using Lrp1 KO mice revealed a critical, nonredundant and tissue-specific role of LRP1 in regulating various physiological events. However, exactly how LRP1 functions to regulate so many distinct and specific processes is still not fully clear. Our recent proteomics studies have identified more than 300 secreted proteins that either directly interact with LRP1 or are modulated by LRP1 in various tissues. This review will highlight the remarkable ability of this receptor to regulate secreted molecules in a tissue-specific manner and discuss potential mechanisms underpinning such specificity. Uncovering the depth of these "hidden" specific interactions modulated by LRP1 will provide novel insights into a dynamic and complex extracellular environment that is involved in diverse biological and pathological processes.
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Affiliation(s)
- Kazuhiro Yamamoto
- Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, United Kingdom.
| | - Simone D Scilabra
- Proteomics Group of Ri.MED Foundation, Research Department IRCCS ISMETT, Palermo, Italy
| | - Simone Bonelli
- Proteomics Group of Ri.MED Foundation, Research Department IRCCS ISMETT, Palermo, Italy; Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Palermo, Italy
| | - Anders Jensen
- Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Carsten Scavenius
- Department of Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark
| | - Jan J Enghild
- Department of Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark
| | - Dudley K Strickland
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, Maryland, USA
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2
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Stetler-Stevenson WG. The Continuing Saga of Tissue Inhibitor of Metalloproteinase 2: Emerging Roles in Tissue Homeostasis and Cancer Progression. THE AMERICAN JOURNAL OF PATHOLOGY 2023; 193:1336-1352. [PMID: 37572947 PMCID: PMC10548276 DOI: 10.1016/j.ajpath.2023.08.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/26/2023] [Accepted: 08/01/2023] [Indexed: 08/14/2023]
Abstract
Tissue inhibitors of metalloproteinases (TIMPs) are a conserved family of proteins that were originally identified as cytokine-like erythroid growth factors. Subsequently, TIMPs were characterized as endogenous inhibitors of matrixin proteinases. These proteinases are the primary mediators of extracellular matrix turnover in pathologic conditions, such as cancer invasion and metastasis. Thus, TIMPs were immediately recognized as important regulators of tissue homeostasis. However, TIMPs also demonstrate unique biological activities that are independent of metalloproteinase regulation. Although often overlooked, these non-protease-mediated TIMP functions demonstrate a variety of direct cellular effects of potential therapeutic value. TIMP2 is the most abundantly expressed TIMP family member, and ongoing studies show that its tumor suppressor activity extends beyond protease inhibition to include direct modulation of tumor, endothelial, and fibroblast cellular responses in the tumor microenvironment. Recent data suggest that TIMP2 can suppress both primary tumor growth and metastatic niche formation. TIMP2 directly interacts with cellular receptors and matrisome elements to modulate cell signaling pathways that result in reduced proliferation and migration of neoplastic, endothelial, and fibroblast cell populations. These effects result in enhanced cell adhesion and focal contact formation while reducing tumor and endothelial proliferation, migration, and epithelial-to-mesenchymal transitions. These findings are consistent with TIMP2 homeostatic functions beyond simple inhibition of metalloprotease activity. This review examines the ongoing evolution of TIMP2 function, future perspectives in TIMP research, and the therapeutic potential of TIMP2.
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Affiliation(s)
- William G Stetler-Stevenson
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland.
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3
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Christopoulou ME, Papakonstantinou E, Stolz D. Matrix Metalloproteinases in Chronic Obstructive Pulmonary Disease. Int J Mol Sci 2023; 24:ijms24043786. [PMID: 36835197 PMCID: PMC9966421 DOI: 10.3390/ijms24043786] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 02/01/2023] [Accepted: 02/08/2023] [Indexed: 02/16/2023] Open
Abstract
Matrix metalloproteinases (MMPs) are proteolytic enzymes that degrade proteins of the extracellular matrix and the basement membrane. Thus, these enzymes regulate airway remodeling, which is a major pathological feature of chronic obstructive pulmonary disease (COPD). Furthermore, proteolytic destruction in the lungs may lead to loss of elastin and the development of emphysema, which is associated with poor lung function in COPD patients. In this literature review, we describe and appraise evidence from the recent literature regarding the role of different MMPs in COPD, as well as how their activity is regulated by specific tissue inhibitors. Considering the importance of MMPs in COPD pathogenesis, we also discuss MMPs as potential targets for therapeutic intervention in COPD and present evidence from recent clinical trials in this regard.
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Affiliation(s)
- Maria-Elpida Christopoulou
- Department of Pneumology, Medical Center, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany
| | - Eleni Papakonstantinou
- Department of Pneumology, Medical Center, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany
- Clinic of Respiratory Medicine and Pulmonary Cell Research, University Hospital, 4031 Basel, Switzerland
| | - Daiana Stolz
- Department of Pneumology, Medical Center, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany
- Clinic of Respiratory Medicine and Pulmonary Cell Research, University Hospital, 4031 Basel, Switzerland
- Correspondence: ; Tel.: +49-(0)-761-270-37050
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4
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Yamamoto K, Scavenius C, Meschis MM, Gremida AME, Mogensen EH, Thøgersen IB, Bonelli S, Scilabra SD, Jensen A, Santamaria S, Ahnström J, Bou-Gharios G, Enghild JJ, Nagase H. A top-down approach to uncover the hidden ligandome of low-density lipoprotein receptor-related protein 1 in cartilage. Matrix Biol 2022; 112:190-218. [PMID: 36028175 DOI: 10.1016/j.matbio.2022.08.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 07/26/2022] [Accepted: 08/17/2022] [Indexed: 11/29/2022]
Abstract
The low-density lipoprotein receptor-related protein 1 (LRP1) is a cell-surface receptor ubiquitously expressed in various tissues. It plays tissue-specific roles by mediating endocytosis of a diverse range of extracellular molecules. Dysregulation of LRP1 is involved in multiple conditions including osteoarthritis (OA) but little information is available about the specific profile of direct binding partners of LRP1 (ligandome) for each tissue, which would lead to a better understanding of its role in disease states. Here, we investigated adult articular cartilage where impaired LRP1-mediated endocytosis leads to tissue destruction. We used a top-down approach involving proteomic analysis of the LRP1 interactome in human chondrocytes, direct binding assays using purified LRP1 and ligand candidates, and validation in LRP1-deficient fibroblasts and human chondrocytes, as well as a novel Lrp1 conditional knockout (KO) mouse model. We found that inhibition of LRP1 and ligand interaction results in cell death, alteration of the entire secretome and transcriptional modulations in human chondrocytes. We identified a chondrocyte-specific LRP1 ligandome consisting of more than 50 novel ligand candidates. Surprisingly, 23 previously reported LRP1 ligands were not regulated by LRP1-mediated endocytosis in human chondrocytes. We confirmed direct LRP1 binding of HGFAC, HMGB1, HMGB2, CEMIP, SLIT2, ADAMTS1, TSG6, IGFBP7, SPARC and LIF, correlation between their affinity for LRP1 and the rate of endocytosis, and some of their intracellular localization. Moreover, a conditional LRP1 KO mouse model demonstrated a critical role of LRP1 in regulating the high-affinity ligands in cartilage in vivo. This systematic approach revealed the specificity and the extent of the chondrocyte LRP1 ligandome and identified potential novel therapeutic targets for OA.
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Affiliation(s)
- Kazuhiro Yamamoto
- Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool L7 8TX, United Kingdom.
| | - Carsten Scavenius
- Department of Molecular Biology and Genetics, Aarhus University, 8000 Aarhus, Denmark
| | - Maria M Meschis
- Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool L7 8TX, United Kingdom
| | - Abdulrahman M E Gremida
- Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool L7 8TX, United Kingdom
| | - Emilie H Mogensen
- Department of Molecular Biology and Genetics, Aarhus University, 8000 Aarhus, Denmark
| | - Ida B Thøgersen
- Department of Molecular Biology and Genetics, Aarhus University, 8000 Aarhus, Denmark
| | - Simone Bonelli
- Fondazione RiMED - ISMETT via Ernesto Tricomi 5, 90127 Palermo, Italy
| | - Simone D Scilabra
- Fondazione RiMED - ISMETT via Ernesto Tricomi 5, 90127 Palermo, Italy
| | - Anders Jensen
- Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool L7 8TX, United Kingdom
| | - Salvatore Santamaria
- Department of Immunology and Inflammation, Imperial College London, Du Cane Road, W12 0NN, London, United Kingdom
| | - Josefin Ahnström
- Department of Immunology and Inflammation, Imperial College London, Du Cane Road, W12 0NN, London, United Kingdom
| | - George Bou-Gharios
- Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool L7 8TX, United Kingdom
| | - Jan J Enghild
- Department of Molecular Biology and Genetics, Aarhus University, 8000 Aarhus, Denmark
| | - Hideaki Nagase
- Kennedy Institute of Rheumatology, University of Oxford, Headington, Oxford OX3 7FY, United Kingdom
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Tissue Inhibitor of Metalloproteases 3 (TIMP-3): In Vivo Analysis Underpins Its Role as a Master Regulator of Ectodomain Shedding. MEMBRANES 2022; 12:membranes12020211. [PMID: 35207132 PMCID: PMC8878240 DOI: 10.3390/membranes12020211] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 01/29/2022] [Accepted: 02/03/2022] [Indexed: 01/06/2023]
Abstract
The proteolytical cleavage of transmembrane proteins with subsequent release of their extracellular domain, so-called ectodomain shedding, is a post-translational modification that plays an essential role in several biological processes, such as cell communication, adhesion and migration. Metalloproteases are major proteases in ectodomain shedding, especially the disintegrin metalloproteases (ADAMs) and the membrane-type matrix metalloproteases (MT-MMPs), which are considered to be canonical sheddases for their membrane-anchored topology and for the large number of proteins that they can release. The unique ability of TIMP-3 to inhibit different families of metalloproteases, including the canonical sheddases (ADAMs and MT-MMPs), renders it a master regulator of ectodomain shedding. This review provides an overview of the different functions of TIMP-3 in health and disease, with a major focus on the functional consequences in vivo related to its ability to control ectodomain shedding. Furthermore, herein we describe a collection of mass spectrometry-based approaches that have been used in recent years to identify new functions of sheddases and TIMP-3. These methods may be used in the future to elucidate the pathological mechanisms triggered by the Sorsby’s fundus dystrophy variants of TIMP-3 or to identify proteins released by less well characterized TIMP-3 target sheddases whose substrate repertoire is still limited, thus providing novel insights into the physiological and pathological functions of the inhibitor.
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6
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Neill T, Iozzo RV. The Role of Decorin Proteoglycan in Mitophagy. Cancers (Basel) 2022; 14:cancers14030804. [PMID: 35159071 PMCID: PMC8834502 DOI: 10.3390/cancers14030804] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 02/02/2022] [Indexed: 02/04/2023] Open
Abstract
Simple Summary The eminent rise of extracellular matrix constituents, chiefly hailing from the proteoglycan gene family, has revolutionized our understanding of how intracellular catabolism is regulated at the intersection of autophagy and breast cancer. In this review, we examine the mechanisms of decorin, a small leucine-rich proteoglycan, as it relates to autophagy and mitochondrial autophagy (mitophagy). In each case, decorin signals via a unique cell surface receptor tyrosine kinase to evoke autophagy (VEGFR2) or mitophagy (MET receptor) that converges on a novel tumor suppressor gene. The downstream function of either Peg3 or mitostatin in response to decorin manifests as potent means to subdue breast cancer development and progression. Abstract Proteoglycans are emerging as critical regulators of intracellular catabolism. This rise in prominence has transformed our basic understanding and alerted us to the existence of non-canonical pathways, independent of nutrient deprivation, that potently control the autophagy downstream of a cell surface receptor. As a member of the small leucine-rich proteoglycan gene family, decorin has single-handedly pioneered the connection between extracellular matrix signaling and autophagy regulation. Soluble decorin evokes protracted endothelial cell autophagy via Peg3 and breast carcinoma cell mitophagy via mitostatin by interacting with VEGFR2 or the MET receptor tyrosine kinase, respectively. In this paper, we give a mechanistic perspective of the vital factors underlying the nutrient-independent, SLRP-dependent programs utilized for autophagic and/or mitophagic progression in breast cancer. Future protein therapies based on decorin (or fellow proteoglycan members) will represent a quantum leap forward in transforming autophagic progression into a powerful tool to control intracellular cell catabolism from the outside.
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7
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Santamaria S, Martin DR, Dong X, Yamamoto K, Apte SS, Ahnström J. Post-translational regulation and proteolytic activity of the metalloproteinase ADAMTS8. J Biol Chem 2021; 297:101323. [PMID: 34687701 PMCID: PMC8577114 DOI: 10.1016/j.jbc.2021.101323] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 10/13/2021] [Accepted: 10/15/2021] [Indexed: 11/21/2022] Open
Abstract
A disintegrin-like and metalloprotease domain with thrombospondin type 1 motifs (ADAMTS)8 is a secreted protease, which was recently implicated in pathogenesis of pulmonary arterial hypertension (PAH). However, the substrate repertoire of ADAMTS8 and regulation of its activity are incompletely understood. Although considered a proteoglycanase because of high sequence similarity and close phylogenetic relationship to the proteoglycan-degrading proteases ADAMTS1, 4, 5, and 15, as well as tight genetic linkage with ADAMTS15 on human chromosome 11, its aggrecanase activity was reportedly weak. Several post-translational factors are known to regulate ADAMTS proteases such as autolysis, inhibition by endogenous inhibitors, and receptor-mediated endocytosis, but their impacts on ADAMTS8 are unknown. Here, we show that ADAMTS8 undergoes autolysis at six different sites within its spacer domain. We also found that in contrast to ADAMTS4 and 5, ADAMTS8 levels were not regulated through low-density lipoprotein receptor-related protein 1 (LRP1)-mediated endocytosis. Additionally, ADAMTS8 lacked significant activity against the proteoglycans aggrecan, versican, and biglycan. Instead, we found that ADAMTS8 cleaved osteopontin, a phosphoprotein whose expression is upregulated in PAH. Multiple ADAMTS8 cleavage sites were identified using liquid chromatography–tandem mass spectrometry. Osteopontin cleavage by ADAMTS8 was efficiently inhibited by TIMP-3, an endogenous inhibitor of ADAMTS1, 4, and 5, as well as by TIMP-2, which has no previously reported inhibitory activity against other ADAMTS proteases. These differences in post-translational regulation and substrate repertoire differentiate ADAMTS8 from other family members and may help to elucidate its role in PAH.
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Affiliation(s)
| | - Daniel R Martin
- Department of Biomedical Engineering, Cleveland Clinic Lerner Research Institute, Cleveland, Ohio, USA
| | - Xiangyi Dong
- Department of Immunology and Inflammation, Imperial College London, London, UK
| | - Kazuhiro Yamamoto
- Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, UK
| | - Suneel S Apte
- Department of Biomedical Engineering, Cleveland Clinic Lerner Research Institute, Cleveland, Ohio, USA
| | - Josefin Ahnström
- Department of Immunology and Inflammation, Imperial College London, London, UK
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8
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Yamamoto K, Wilkinson D, Bou-Gharios G. Targeting Dysregulation of Metalloproteinase Activity in Osteoarthritis. Calcif Tissue Int 2021; 109:277-290. [PMID: 32772139 PMCID: PMC8403128 DOI: 10.1007/s00223-020-00739-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Accepted: 07/24/2020] [Indexed: 02/06/2023]
Abstract
Metalloproteinases were first identified as collagen cleaving enzymes and are now appreciated to play important roles in a wide variety of biological processes. The aberrant activity and dysregulation of the metalloproteinase family are linked to numerous diseases including cardiovascular and pulmonary diseases, chronic wounds, cancer, fibrosis and arthritis. Osteoarthritis (OA) is the most prevalent age-related joint disorder that causes pain and disability, but there are no disease-modifying drugs available. The hallmark of OA is loss of articular cartilage and elevated activities of matrix-degrading metalloproteinases are responsible. These enzymes do not exist in isolation and their activity is tightly regulated by a number of processes, such as transcription, proteolytic activation, interaction with their inhibitors, cell surface and extracellular matrix molecules, and endocytic clearance from the extracellular milieu. Here, we describe the functions and roles of metalloproteinase family in OA pathogenesis. We highlight recent studies that have illustrated novel mechanisms regulating their extracellular activity and impairment of such regulations that lead to the development of OA. We also discuss how to stop or slow down the degenerative processes by targeting aberrant metalloproteinase activity, which may in future become therapeutic interventions for the disease.
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Affiliation(s)
- Kazuhiro Yamamoto
- Institute of Life Course and Medical Sciences, University of Liverpool, William Duncan Building, 6 West Derby Street, Liverpool, L7 8TX, UK.
| | - David Wilkinson
- Institute of Life Course and Medical Sciences, University of Liverpool, William Duncan Building, 6 West Derby Street, Liverpool, L7 8TX, UK
| | - George Bou-Gharios
- Institute of Life Course and Medical Sciences, University of Liverpool, William Duncan Building, 6 West Derby Street, Liverpool, L7 8TX, UK
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9
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Arai AL, Migliorini M, Au DT, Hahn-Dantona E, Peeney D, Stetler-Stevenson WG, Muratoglu SC, Strickland DK. High-Affinity Binding of LDL Receptor-Related Protein 1 to Matrix Metalloprotease 1 Requires Protease:Inhibitor Complex Formation. Biochemistry 2020; 59:2922-2933. [PMID: 32702237 DOI: 10.1021/acs.biochem.0c00442] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Matrix metalloprotease (MMP) activation contributes to the degradation of the extracellular matrix (ECM), resulting in a multitude of pathologies. Low-density lipoprotein receptor-related protein 1 (LRP1) is a multifaceted endocytic and signaling receptor that is responsible for internalization and lysosomal degradation of diverse proteases, protease inhibitors, and lipoproteins along with numerous other proteins. In this study, we identified MMP-1 as a novel LRP1 ligand. Binding studies employing surface plasmon resonance revealed that both proMMP-1 and active MMP-1 bind to purified LRP1 with equilibrium dissociation constants (KD) of 19 and 25 nM, respectively. We observed that human aortic smooth muscle cells readily internalize and degrade 125I-labeled proMMP-1 in an LRP1-mediated process. Our binding data also revealed that all tissue inhibitors of metalloproteases (TIMPs) bind to LRP1 with KD values ranging from 23 to 33 nM. Interestingly, the MMP-1/TIMP-1 complex bound to LRP1 with an affinity (KD = 0.6 nM) that was 30-fold higher than that of either component alone, revealing that LRP1 prefers the protease:inhibitor complex as a ligand. Of note, modification of lysine residues on either proMMP-1 or TIMP-1 ablated the ability of the MMP-1/TIMP-1 complex to bind to LRP1. LRP1's preferential binding to enzyme:inhibitor complexes was further supported by the higher binding affinity for proMMP-9/TIMP-1 complexes than for either of these two components alone. LRP1 has four clusters of ligand-binding repeats, and MMP-1, TIMP-1, and MMP-1/TIMP-1 complexes bound to cluster III most avidly. Our results reveal an important role for LRP1 in controlling ECM homeostasis by regulating MMP-1 and MMP-9 levels.
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Affiliation(s)
| | | | | | | | - David Peeney
- Extracellular Matrix Pathology Section, Laboratory of Pathology, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - William G Stetler-Stevenson
- Extracellular Matrix Pathology Section, Laboratory of Pathology, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
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10
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TIMP-3 facilitates binding of target metalloproteinases to the endocytic receptor LRP-1 and promotes scavenging of MMP-1. Sci Rep 2020; 10:12067. [PMID: 32694578 PMCID: PMC7374751 DOI: 10.1038/s41598-020-69008-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 07/06/2020] [Indexed: 12/18/2022] Open
Abstract
Matrix metalloproteinases (MMPs) and the related families of disintegrin metalloproteinases (ADAMs) and ADAMs with thrombospondin repeats (ADAMTSs) play a crucial role in extracellular matrix (ECM) turnover and shedding of cell-surface molecules. The proteolytic activity of metalloproteinases is post-translationally regulated by their endogenous inhibitors, known as tissue inhibitors of metalloproteinases (TIMPs). Several MMPs, ADAMTSs and TIMPs have been reported to be endocytosed by the low-density lipoprotein receptor-related protein-1 (LRP-1). Different binding affinities of these proteins for the endocytic receptor correlate with different turnover rates which, together with differences in their mRNA expression, determines their nett extracellular levels. In this study, we used surface plasmon resonance to evaluate the affinity between LRP-1 and a number of MMPs, ADAMs, ADAMTSs, TIMPs and metalloproteinase/TIMP complexes. This identified MMP-1 as a new LRP-1 ligand. Among the proteins analyzed, TIMP-3 bound to LRP-1 with highest affinity (KD = 1.68 nM). Additionally, we found that TIMP-3 can facilitate the clearance of its target metalloproteinases by bridging their binding to LRP-1. For example, the free form of MMP-1 was found to have a KD of 34.6 nM for LRP-1, while the MMP-1/TIMP-3 complex had a sevenfold higher affinity (KD = 4.96 nM) for the receptor. TIMP-3 similarly bridged binding of MMP-13 and MMP-14 to LRP-1. TIMP-1 and TIMP-2 were also found to increase the affinity of target metalloproteinases for LRP-1, albeit to a lesser extent. This suggests that LRP-1 scavenging of TIMP/metalloproteinase complexes may be a general mechanism by which inhibited metalloproteinases are removed from the extracellular environment.
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11
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Fan D, Kassiri Z. Biology of Tissue Inhibitor of Metalloproteinase 3 (TIMP3), and Its Therapeutic Implications in Cardiovascular Pathology. Front Physiol 2020; 11:661. [PMID: 32612540 PMCID: PMC7308558 DOI: 10.3389/fphys.2020.00661] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 05/25/2020] [Indexed: 12/19/2022] Open
Abstract
Tissue inhibitor of metalloproteinase 3 (TIMP3) is unique among the four TIMPs due to its extracellular matrix (ECM)-binding property and broad range of inhibitory substrates that includes matrix metalloproteinases (MMPs), a disintegrin and metalloproteinases (ADAMs), and ADAM with thrombospondin motifs (ADAMTSs). In addition to its metalloproteinase-inhibitory function, TIMP3 can interact with proteins in the extracellular space resulting in its multifarious functions. TIMP3 mRNA has a long 3' untranslated region (UTR) which is a target for numerous microRNAs. TIMP3 levels are reduced in various cardiovascular diseases, and studies have shown that TIMP3 replenishment ameliorates the disease, suggesting a therapeutic potential for TIMP3 in cardiovascular diseases. While significant efforts have been made in identifying the effector targets of TIMP3, the regulatory mechanism for the expression of this multi-functional TIMP has been less explored. Here, we provide an overview of TIMP3 gene structure, transcriptional and post-transcriptional regulators (transcription factors and microRNAs), protein structure and partners, its role in cardiovascular pathology and its application as therapy, while also drawing reference from TIMP3 function in other diseases.
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Affiliation(s)
- Dong Fan
- Department of Pathology, Zhuhai Campus of Zunyi Medical University, Zhuhai, China
| | - Zamaneh Kassiri
- Department of Physiology, University of Alberta, Edmonton, AB, Canada.,Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, AB, Canada
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12
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Rai GP, Baird SK. Tissue inhibitor of matrix metalloproteinase-3 has both anti-metastatic and anti-tumourigenic properties. Clin Exp Metastasis 2020; 37:69-76. [PMID: 31894441 DOI: 10.1007/s10585-019-10017-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2019] [Accepted: 12/23/2019] [Indexed: 02/06/2023]
Abstract
TIMP-3 is one of four tissue inhibitors of matrix metalloproteinases, the endogenous inhibitors of the matrix metalloproteinase enzymes. These enzymes have an important role in metastasis, in the invasion of cancer cells through the basement membrane and extracellular matrix. TIMP-1, -2 and -4 both promote and inhibit tumour development, in a context-dependent manner, however TIMP-3 is consistently anti-tumourigenic. TIMP-3 is also the only insoluble member of the family, being either bound to the extracellular matrix or the low density lipoprotein-related protein-1, through which it can be endocytosed. Levels of TIMP-3 have also been shown to be regulated by micro RNAs and promoter hypermethylation, resulting in frequent silencing in many tumour types, to the extent that its expression has been suggested as a prognostic marker in some tumours, being associated with lower levels of metastasis, or better response to treatment. TIMP-3 has been shown to have anti-metastatic effects, both through inhibition of matrix metalloproteinases and ADAM family members and downregulation of angiogenesis. This occurs via interactions with receptors including VEGF, via modulation of signaling pathways and due to protease inhibition. TIMP-3 has also been shown to reduce tumour growth rate, most often by inducing apoptosis by stabilisation of death receptors. A number of successful mechanisms of delivery of TIMP-3 to tumour or inflammatory sites have been investigated in vitro or in animal studies. It may therefore be worthwhile further exploring the use of TIMP-3 as a potential anti-metastatic or anti-tumorigenic therapy for many tumour types.
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Affiliation(s)
- Geetanjali P Rai
- Department of Pharmacology and Toxicology, School of Biomedical Sciences, University of Otago, PO Box 56, Dunedin, 9054, New Zealand
| | - Sarah K Baird
- Department of Pharmacology and Toxicology, School of Biomedical Sciences, University of Otago, PO Box 56, Dunedin, 9054, New Zealand.
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13
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Au DT, Arai AL, Fondrie WE, Muratoglu SC, Strickland DK. Role of the LDL Receptor-Related Protein 1 in Regulating Protease Activity and Signaling Pathways in the Vasculature. Curr Drug Targets 2019; 19:1276-1288. [PMID: 29749311 DOI: 10.2174/1389450119666180511162048] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Revised: 04/24/2018] [Accepted: 04/24/2018] [Indexed: 12/22/2022]
Abstract
Aortic aneurysms represent a significant clinical problem as they largely go undetected until a rupture occurs. Currently, an understanding of mechanisms leading to aneurysm formation is limited. Numerous studies clearly indicate that vascular smooth muscle cells play a major role in the development and response of the vasculature to hemodynamic changes and defects in these responses can lead to aneurysm formation. The LDL receptor-related protein 1 (LRP1) is major smooth muscle cell receptor that has the capacity to mediate the endocytosis of numerous ligands and to initiate and regulate signaling pathways. Genetic evidence in humans and mouse models reveal a critical role for LRP1 in maintaining the integrity of the vasculature. Understanding the mechanisms by which this is accomplished represents an important area of research, and likely involves LRP1's ability to regulate levels of proteases known to degrade the extracellular matrix as well as its ability to modulate signaling events.
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Affiliation(s)
- Dianaly T Au
- Center for Vascular and Inflammatory Diseases, Biopark I, R213, 800 W. Baltimore Street, Baltimore, Maryland 21201, MD, United States
| | - Allison L Arai
- Center for Vascular and Inflammatory Diseases, Biopark I, R213, 800 W. Baltimore Street, Baltimore, Maryland 21201, MD, United States
| | - William E Fondrie
- Center for Vascular and Inflammatory Diseases, Biopark I, R213, 800 W. Baltimore Street, Baltimore, Maryland 21201, MD, United States
| | - Selen C Muratoglu
- Center for Vascular and Inflammatory Diseases, Biopark I, R213, 800 W. Baltimore Street, Baltimore, Maryland 21201, MD, United States.,Department of Physiology, University of Maryland School of Medicine, Baltimore, Maryland 21201, MD, United States
| | - Dudley K Strickland
- Center for Vascular and Inflammatory Diseases, Biopark I, R213, 800 W. Baltimore Street, Baltimore, Maryland 21201, MD, United States.,Department of Physiology, University of Maryland School of Medicine, Baltimore, Maryland 21201, MD, United States.,Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland 21201, MD, United States
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14
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Wu J, Xiong Z, Sun Y, Song J, Niu F, Yan M, Jin T. TIMP3 gene polymorphisms and relation to Ankylosing spondylitis susceptibility in Chinese Han population. Int J Immunogenet 2019; 46:472-478. [PMID: 31397536 DOI: 10.1111/iji.12453] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 07/02/2019] [Accepted: 07/13/2019] [Indexed: 01/11/2023]
Abstract
BACKGROUND Ankylosing spondylitis (AS) is a type of chronic progressive inflammatory disease, which often causes significant damage to the patients on the physical function, labour ability and quality of life. The study found that the enzyme system tissue inhibitor of matrix metalloproteinases (TIMPs) was important for the development of AS. The aim of this study was to investigate the association of polymorphisms of TIMP3 gene with AS in Chinese Han population. METHODS To evaluate the correlation of TIMP3 polymorphisms with AS risk, Agena MassARRAY was used to determine the genotypes of 268 AS patients and 654 controls. The correlation between TIMP3 variants and AS risk was examined by unconditional logistic regression analysis. Haplotype construction and analysis in TIMP3 were also applied to detect the potential association. RESULTS We identified that rs11547635 in the TIMP3 gene (odds ratio[OR] = 0.79, 95% confidence intervals [CI]: 0.63-0.98, p = .029) was significantly associated with a decreased risk of AS in the alleles model. Rs715572 AG genotype (OR = 1.57, 95% CI: 1.05-2.34, p = .041) was potentially associated with an increased risk of AS, and also rs715572 in the dominant model (OR = 1.61, 95% CI: 1.10-2.36, p = .013) and log-additive model (OR = 1.41, 95% CI: 1.07-1.86, p = .016) adjusted by age and gender were significantly correlated with an increased AS risk. CONCLUSION These findings suggested that polymorphisms of the TIMP3 gene may be associated with susceptibility to AS.
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Affiliation(s)
- Jiamin Wu
- Key Laboratory of Resource Biology and Biotechnology in Western China (Northwest University), Ministry of Education, Xi'an, China
| | - Zichao Xiong
- Key Laboratory of Resource Biology and Biotechnology in Western China (Northwest University), Ministry of Education, Xi'an, China
| | - Yao Sun
- Key Laboratory of Resource Biology and Biotechnology in Western China (Northwest University), Ministry of Education, Xi'an, China
| | - Jiangjiang Song
- Key Laboratory of Resource Biology and Biotechnology in Western China (Northwest University), Ministry of Education, Xi'an, China
| | - Fanglin Niu
- Key Laboratory of Resource Biology and Biotechnology in Western China (Northwest University), Ministry of Education, Xi'an, China
| | - Mengdan Yan
- Key Laboratory of Resource Biology and Biotechnology in Western China (Northwest University), Ministry of Education, Xi'an, China
| | - Tianbo Jin
- Key Laboratory of Resource Biology and Biotechnology in Western China (Northwest University), Ministry of Education, Xi'an, China
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15
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Bres EE, Faissner A. Low Density Receptor-Related Protein 1 Interactions With the Extracellular Matrix: More Than Meets the Eye. Front Cell Dev Biol 2019; 7:31. [PMID: 30931303 PMCID: PMC6428713 DOI: 10.3389/fcell.2019.00031] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Accepted: 02/25/2019] [Indexed: 12/12/2022] Open
Abstract
The extracellular matrix (ECM) is a biological substrate composed of collagens, proteoglycans and glycoproteins that ensures proper cell migration and adhesion and keeps the cell architecture intact. The regulation of the ECM composition is a vital process strictly controlled by, among others, proteases, growth factors and adhesion receptors. As it appears, ECM remodeling is also essential for proper neuronal and glial development and the establishment of adequate synaptic signaling. Hence, disturbances in ECM functioning are often present in neurodegenerative diseases like Alzheimer’s disease. Moreover, mutations in ECM molecules are found in some forms of epilepsy and malfunctioning of ECM-related genes and pathways can be seen in, for example, cancer or ischemic injury. Low density lipoprotein receptor-related protein 1 (Lrp1) is a member of the low density lipoprotein receptor family. Lrp1 is involved not only in ligand uptake, receptor mediated endocytosis and lipoprotein transport—functions shared by low density lipoprotein receptor family members—but also regulates cell surface protease activity, controls cellular entry and binding of toxins and viruses, protects against atherosclerosis and acts on many cell signaling pathways. Given the plethora of functions, it is not surprising that Lrp1 also impacts the ECM and is involved in its remodeling. This review focuses on the role of Lrp1 and some of its major ligands on ECM function. Specifically, interactions with two Lrp1 ligands, integrins and tissue plasminogen activator are described in more detail.
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Affiliation(s)
- Ewa E Bres
- Department of Cell Morphology and Molecular Neurobiology, Ruhr University Bochum, Bochum, Germany
| | - Andreas Faissner
- Department of Cell Morphology and Molecular Neurobiology, Ruhr University Bochum, Bochum, Germany
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16
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Kanakis I, Liu K, Poulet B, Javaheri B, van 't Hof RJ, Pitsillides AA, Bou-Gharios G. Targeted Inhibition of Aggrecanases Prevents Articular Cartilage Degradation and Augments Bone Mass in the STR/Ort Mouse Model of Spontaneous Osteoarthritis. Arthritis Rheumatol 2019; 71:571-582. [PMID: 30379418 DOI: 10.1002/art.40765] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Accepted: 10/25/2018] [Indexed: 01/30/2023]
Abstract
OBJECTIVE Cartilage destruction in osteoarthritis (OA) is mediated mainly by matrix metalloproteinases (MMPs) and ADAMTS. The therapeutic candidature of targeting aggrecanases has not yet been defined in joints in which spontaneous OA arises from genetic susceptibility, as in the case of the STR/Ort mouse, without a traumatic or load-induced etiology. In addition, we do not know the long-term effect of aggrecanase inhibition on bone. We undertook this study to assess the potential aggrecanase selectivity of a variant of tissue inhibitor of metalloproteinases 3 (TIMP-3), called [-1A]TIMP-3, on spontaneous OA development and bone formation in STR/Ort mice. METHODS Using the background of STR/Ort mice, which develop spontaneous OA, we generated transgenic mice that overexpress [-1A]TIMP-3, either ubiquitously or conditionally in chondrocytes. [-1A]TIMP-3 has an extra alanine at the N-terminus that selectively inhibits ADAMTS but not MMPs. We analyzed a range of OA-related measures in all mice at age 40 weeks. RESULTS Mice expressing high levels of [-1A]TIMP-3 were protected against development of OA, while those expressing low levels were not. Interestingly, we also found that high levels of [-1A]TIMP-3 transgene overexpression resulted in increased bone mass, particularly in females. This regulation of bone mass was at least partly direct, as adult mouse primary osteoblasts infected with [-1A]TIMP-3 in vitro showed elevated rates of mineralization. CONCLUSION The results provide evidence that [-1A]TIMP-3-mediated inhibition of aggrecanases can protect against cartilage degradation in a naturally occurring mouse model of OA, and they highlight a novel role that aggrecanase inhibition may play in increased bone mass.
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Affiliation(s)
| | - Ke Liu
- University of Liverpool, Liverpool, UK
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17
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Scilabra SD, Pigoni M, Pravatá V, Schätzl T, Müller SA, Troeberg L, Lichtenthaler SF. Increased TIMP-3 expression alters the cellular secretome through dual inhibition of the metalloprotease ADAM10 and ligand-binding of the LRP-1 receptor. Sci Rep 2018; 8:14697. [PMID: 30279425 PMCID: PMC6168507 DOI: 10.1038/s41598-018-32910-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Accepted: 08/06/2018] [Indexed: 01/21/2023] Open
Abstract
The tissue inhibitor of metalloproteinases-3 (TIMP-3) is a major regulator of extracellular matrix turnover and protein shedding by inhibiting different classes of metalloproteinases, including disintegrin metalloproteinases (ADAMs). Tissue bioavailability of TIMP-3 is regulated by the endocytic receptor low-density-lipoprotein receptor-related protein-1 (LRP-1). TIMP-3 plays protective roles in disease. Thus, different approaches have been developed aiming to increase TIMP-3 bioavailability, yet overall effects of increased TIMP-3 in vivo have not been investigated. Herein, by using unbiased mass-spectrometry we demonstrate that TIMP-3-overexpression in HEK293 cells has a dual effect on shedding of transmembrane proteins and turnover of soluble proteins. Several membrane proteins showing reduced shedding are known as ADAM10 substrates, suggesting that exogenous TIMP-3 preferentially inhibits ADAM10 in HEK293 cells. Additionally identified shed membrane proteins may be novel ADAM10 substrate candidates. TIMP-3-overexpression also increased extracellular levels of several soluble proteins, including TIMP-1, MIF and SPARC. Levels of these proteins similarly increased upon LRP-1 inactivation, suggesting that TIMP-3 increases soluble protein levels by competing for their binding to LRP-1 and their subsequent internalization. In conclusion, our study reveals that increased levels of TIMP-3 induce substantial modifications in the cellular secretome and that TIMP-3-based therapies may potentially provoke undesired, dysregulated functions of ADAM10 and LRP-1.
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Affiliation(s)
- Simone D Scilabra
- German Center for Neurodegenerative Diseases (DZNE), Feodor-Lynen Strasse 17, 81377, Munich, Germany. .,Neuroproteomics, School of Medicine, Klinikum rechts der Isar, Technische Universität München, 81675, Munich, Germany.
| | - Martina Pigoni
- German Center for Neurodegenerative Diseases (DZNE), Feodor-Lynen Strasse 17, 81377, Munich, Germany
| | - Veronica Pravatá
- German Center for Neurodegenerative Diseases (DZNE), Feodor-Lynen Strasse 17, 81377, Munich, Germany
| | - Tobias Schätzl
- German Center for Neurodegenerative Diseases (DZNE), Feodor-Lynen Strasse 17, 81377, Munich, Germany
| | - Stephan A Müller
- German Center for Neurodegenerative Diseases (DZNE), Feodor-Lynen Strasse 17, 81377, Munich, Germany
| | - Linda Troeberg
- Kennedy Institute of Rheumatology, University of Oxford, Roosevelt Drive, Oxford, OX3 7FY, UK
| | - Stefan F Lichtenthaler
- German Center for Neurodegenerative Diseases (DZNE), Feodor-Lynen Strasse 17, 81377, Munich, Germany.,Neuroproteomics, School of Medicine, Klinikum rechts der Isar, Technische Universität München, 81675, Munich, Germany.,Munich Cluster for Systems Neurology (SyNergy), Munich, Germany.,Institute for Advanced Study, Technische Universität München, Munich, Germany
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18
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Karamanos NK, Piperigkou Z, Theocharis AD, Watanabe H, Franchi M, Baud S, Brézillon S, Götte M, Passi A, Vigetti D, Ricard-Blum S, Sanderson RD, Neill T, Iozzo RV. Proteoglycan Chemical Diversity Drives Multifunctional Cell Regulation and Therapeutics. Chem Rev 2018; 118:9152-9232. [DOI: 10.1021/acs.chemrev.8b00354] [Citation(s) in RCA: 193] [Impact Index Per Article: 32.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Nikos K. Karamanos
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Patras 26110, Greece
- Foundation for Research and Technology-Hellas (FORTH)/Institute of Chemical Engineering Sciences (ICE-HT), Patras 26110, Greece
| | - Zoi Piperigkou
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Patras 26110, Greece
- Foundation for Research and Technology-Hellas (FORTH)/Institute of Chemical Engineering Sciences (ICE-HT), Patras 26110, Greece
| | - Achilleas D. Theocharis
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Patras 26110, Greece
| | - Hideto Watanabe
- Institute for Molecular Science of Medicine, Aichi Medical University, Aichi 480-1195, Japan
| | - Marco Franchi
- Department for Life Quality Studies, University of Bologna, Rimini 47100, Italy
| | - Stéphanie Baud
- Université de Reims Champagne-Ardenne, Laboratoire SiRMa, CNRS UMR MEDyC 7369, Faculté de Médecine, 51 rue Cognacq Jay, Reims 51100, France
| | - Stéphane Brézillon
- Université de Reims Champagne-Ardenne, Laboratoire de Biochimie Médicale et Biologie Moléculaire, CNRS UMR MEDyC 7369, Faculté de Médecine, 51 rue Cognacq Jay, Reims 51100, France
| | - Martin Götte
- Department of Gynecology and Obstetrics, Münster University Hospital, Münster 48149, Germany
| | - Alberto Passi
- Department of Medicine and Surgery, University of Insubria, Varese 21100, Italy
| | - Davide Vigetti
- Department of Medicine and Surgery, University of Insubria, Varese 21100, Italy
| | - Sylvie Ricard-Blum
- University Claude Bernard Lyon 1, CNRS, UMR 5246, Institute of Molecular and Supramolecular Chemistry and Biochemistry, Villeurbanne 69622, France
| | - Ralph D. Sanderson
- Department of Pathology, Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, Alabama 35294, United States
| | - Thomas Neill
- Department of Pathology, Anatomy and Cell Biology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania 10107, United States
| | - Renato V. Iozzo
- Department of Pathology, Anatomy and Cell Biology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania 10107, United States
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19
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Karamanos NK, Theocharis AD, Neill T, Iozzo RV. Matrix modeling and remodeling: A biological interplay regulating tissue homeostasis and diseases. Matrix Biol 2018; 75-76:1-11. [PMID: 30130584 DOI: 10.1016/j.matbio.2018.08.007] [Citation(s) in RCA: 167] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Accepted: 08/17/2018] [Indexed: 02/06/2023]
Abstract
The overall structure and architecture of the extracellular matrix undergo dramatic alterations in composition, form, and functionality over time. The stochasticity begins during development, essential for maintaining organismal homeostasis and is heavily implicated in many pathobiological states including fibrosis and cancer. Modeling and remodeling of the matrix is driven by the local cellular milieu and secreted and cell-associated components in a framework of dynamic reciprocity. This collection of expertly-written reviews aims to relay state-of-the-art information concerning the mechanisms of matrix modeling and remodeling in physiological development and disease.
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Affiliation(s)
- Nikos K Karamanos
- Biochemistry, Biochemical Analysis and Matrix Pathobiochemistry Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, 26500 Patras, Greece.
| | - Achilleas D Theocharis
- Biochemistry, Biochemical Analysis and Matrix Pathobiochemistry Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, 26500 Patras, Greece
| | - Thomas Neill
- Department of Pathology, Anatomy, and Cell Biology, Cancer Cell Biology and Signaling Program, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA 19107, USA
| | - Renato V Iozzo
- Department of Pathology, Anatomy, and Cell Biology, Cancer Cell Biology and Signaling Program, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA 19107, USA
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20
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Santamaria S, Fedorov O, McCafferty J, Murphy G, Dudhia J, Nagase H, Yamamoto K. Development of a monoclonal anti-ADAMTS-5 antibody that specifically blocks the interaction with LRP1. MAbs 2017; 9:595-602. [PMID: 28306378 PMCID: PMC5419085 DOI: 10.1080/19420862.2017.1304341] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The potent aggrecanase ADAMTS-5 is constitutively secreted by chondrocytes, but it is rapidly endocytosed in normal cartilage via the cell surface endocytic receptor LRP1. Therefore it is difficult to detect the total ADAMTS-5 activity produced. In this study, we isolated a monoclonal anti-ADAMTS-5 antibody 1B7 that blocks LRP1-mediated internalization without affecting the aggrecanolytic activity. Addition of 1B7 to cultured human chondrocytes revealed the full aggrecanolytic activity of ADAMTS-5 generated by the cells. 1B7 is a useful tool to estimate the ADAMTS-5 activity and to identify its potential roles in the tissues.
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Affiliation(s)
- Salvatore Santamaria
- a Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford , Headington , Oxford , UK
| | - Oleg Fedorov
- b Structural Genomics Consortium and Target Discovery Institute, Nuffield Department of Clinical Medicine, University of Oxford , Headington, Oxford , UK
| | | | - Gillian Murphy
- d Cancer Research UK Cambridge Institute, Department of Oncology, University of Cambridge, Li Ka Shing Centre , Cambridge , UK
| | - Jayesh Dudhia
- e Department of Clinical Sciences and Services , Royal Veterinary College, North Mymms , Hatfield , Herts , UK
| | - Hideaki Nagase
- a Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford , Headington , Oxford , UK
| | - Kazuhiro Yamamoto
- a Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford , Headington , Oxford , UK
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21
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Schaefer L, Tredup C, Gubbiotti MA, Iozzo RV. Proteoglycan neofunctions: regulation of inflammation and autophagy in cancer biology. FEBS J 2017; 284:10-26. [PMID: 27860287 PMCID: PMC5226885 DOI: 10.1111/febs.13963] [Citation(s) in RCA: 120] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Revised: 10/27/2016] [Accepted: 11/11/2016] [Indexed: 12/18/2022]
Abstract
Inflammation and autophagy have emerged as prominent issues in the context of proteoglycan signaling. In particular, two small, leucine-rich proteoglycans, biglycan and decorin, play pivotal roles in the regulation of these vital cellular pathways and, as such, are intrinsically involved in cancer initiation and progression. In this minireview, we will address novel functions of biglycan and decorin in inflammation and autophagy, and analyze new emerging signaling events triggered by these proteoglycans, which directly or indirectly modulate these processes. We will critically discuss the dual role of proteoglycan-driven inflammation and autophagy in tumor biology, and delineate the potential mechanisms through which soluble extracellular matrix constituents affect the microenvironment associated with inflammatory and neoplastic diseases.
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Affiliation(s)
- Liliana Schaefer
- Pharmazentrum Frankfurt/ZAFES, Institut für Allgemeine Pharmakologie und Toxikologie, Klinikum der Goethe-Universität Frankfurt am Main, Frankfurt am Main, Germany
| | - Claudia Tredup
- Pharmazentrum Frankfurt/ZAFES, Institut für Allgemeine Pharmakologie und Toxikologie, Klinikum der Goethe-Universität Frankfurt am Main, Frankfurt am Main, Germany
| | - Maria A. Gubbiotti
- Department of Pathology, Anatomy and Cell Biology, and the Cancer Cell Biology and Signaling Program, Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, USA
| | - Renato V. Iozzo
- Department of Pathology, Anatomy and Cell Biology, and the Cancer Cell Biology and Signaling Program, Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, USA
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