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Radisky ES. Extracellular proteolysis in cancer: Proteases, substrates, and mechanisms in tumor progression and metastasis. J Biol Chem 2024; 300:107347. [PMID: 38718867 PMCID: PMC11170211 DOI: 10.1016/j.jbc.2024.107347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 04/08/2024] [Accepted: 04/25/2024] [Indexed: 06/02/2024] Open
Abstract
A vast ensemble of extracellular proteins influences the development and progression of cancer, shaped and reshaped by a complex network of extracellular proteases. These proteases, belonging to the distinct classes of metalloproteases, serine proteases, cysteine proteases, and aspartic proteases, play a critical role in cancer. They often become dysregulated in cancer, with increases in pathological protease activity frequently driven by the loss of normal latency controls, diminished regulation by endogenous protease inhibitors, and changes in localization. Dysregulated proteases accelerate tumor progression and metastasis by degrading protein barriers within the extracellular matrix (ECM), stimulating tumor growth, reactivating dormant tumor cells, facilitating tumor cell escape from immune surveillance, and shifting stromal cells toward cancer-promoting behaviors through the precise proteolysis of specific substrates to alter their functions. These crucial substrates include ECM proteins and proteoglycans, soluble proteins secreted by tumor and stromal cells, and extracellular domains of cell surface proteins, including membrane receptors and adhesion proteins. The complexity of the extracellular protease web presents a significant challenge to untangle. Nevertheless, technological strides in proteomics, chemical biology, and the development of new probes and reagents are enabling progress and advancing our understanding of the pivotal importance of extracellular proteolysis in cancer.
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Affiliation(s)
- Evette S Radisky
- Department of Cancer Biology, Mayo Clinic Comprehensive Cancer Center, Jacksonville, Florida, USA.
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Coates-Park S, Lazaroff C, Gurung S, Rich J, Colladay A, O’Neill M, Butler GS, Overall CM, Stetler-Stevenson WG, Peeney D. Tissue inhibitors of metalloproteinases are proteolytic targets of matrix metalloproteinase 9. Matrix Biol 2023; 123:59-70. [PMID: 37804930 PMCID: PMC10843048 DOI: 10.1016/j.matbio.2023.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 09/28/2023] [Accepted: 09/29/2023] [Indexed: 10/09/2023]
Abstract
Extracellular proteolysis and turnover are core processes of tissue homeostasis. The predominant matrix-degrading enzymes are members of the Matrix Metalloproteinase (MMP) family. MMPs extensively degrade core matrix components in addition to processing a range of other factors in the extracellular, plasma membrane, and intracellular compartments. The proteolytic activity of MMPs is modulated by the Tissue Inhibitors of Metalloproteinases (TIMPs), a family of four multi-functional matrisome proteins with extensively characterized MMP inhibitory functions. Thus, a well-regulated balance between MMP activity and TIMP levels has been described as critical for healthy tissue homeostasis, and this balance can be chronically disturbed in pathological processes. The relationship between MMPs and TIMPs is complex and lacks the constraints of a typical enzyme-inhibitor relationship due to secondary interactions between various MMPs (specifically gelatinases) and TIMP family members. We illustrate a new complexity in this system by describing how MMP9 can cleave members of the TIMP family when in molar excess. Proteolytic processing of TIMPs can generate functionally altered peptides with potentially novel attributes. We demonstrate here that all TIMPs are cleaved at their C-terminal tails by a molar excess of MMP9. This processing removes the N-glycosylation site for TIMP3 and prevents the TIMP2 interaction with latent proMMP2, a prerequisite for cell surface MMP14-mediated activation of proMMP2. TIMP2/4 are further cleaved producing ∼14 kDa N-terminal proteins linked to a smaller C-terminal domain through residual disulfide bridges. These cleaved TIMP2/4 complexes show perturbed MMP inhibitory activity, illustrating that MMP9 may bear a particularly prominent influence upon the TIMP:MMP balance in tissues.
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Affiliation(s)
- Sasha Coates-Park
- Extracellular Matrix Pathology Section, Laboratory of Pathology, National Cancer Institute, National Institute of Health, Bethesda, Maryland
| | - Carolyn Lazaroff
- Extracellular Matrix Pathology Section, Laboratory of Pathology, National Cancer Institute, National Institute of Health, Bethesda, Maryland
- Washington University in St. Louis School of Medicine, Department of Orthopedics
| | - Sadeechya Gurung
- Extracellular Matrix Pathology Section, Laboratory of Pathology, National Cancer Institute, National Institute of Health, Bethesda, Maryland
| | - Josh Rich
- Extracellular Matrix Pathology Section, Laboratory of Pathology, National Cancer Institute, National Institute of Health, Bethesda, Maryland
| | - Alexandra Colladay
- Extracellular Matrix Pathology Section, Laboratory of Pathology, National Cancer Institute, National Institute of Health, Bethesda, Maryland
| | - Maura O’Neill
- Protein Characterization Laboratory, National Cancer Institute at Frederick, National Institutes of Health, Frederick, Maryland
| | - Georgina S. Butler
- Centre for Blood Research, Life Sciences Centre, University of British Columbia; Vancouver, British Columbia, V6T 1Z3, Canada
- Department of Oral Biological and Medical Science, Faculty of Dentistry, University of British Columbia; Vancouver, British Columbia, V6T 1Z3, Canada
| | - Christopher M. Overall
- Centre for Blood Research, Life Sciences Centre, University of British Columbia; Vancouver, British Columbia, V6T 1Z3, Canada
- Department of Oral Biological and Medical Science, Faculty of Dentistry, University of British Columbia; Vancouver, British Columbia, V6T 1Z3, Canada
- Department of Biochemistry and Molecular Biology, University of British Columbia; Vancouver, British Columbia, V6T 1Z3, Canada
| | - William G. Stetler-Stevenson
- Extracellular Matrix Pathology Section, Laboratory of Pathology, National Cancer Institute, National Institute of Health, Bethesda, Maryland
| | - David Peeney
- Extracellular Matrix Pathology Section, Laboratory of Pathology, National Cancer Institute, National Institute of Health, Bethesda, Maryland
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Grillet B, Pereira RVS, Van Damme J, Abu El-Asrar A, Proost P, Opdenakker G. Matrix metalloproteinases in arthritis: towards precision medicine. Nat Rev Rheumatol 2023; 19:363-377. [PMID: 37161083 DOI: 10.1038/s41584-023-00966-w] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/05/2023] [Indexed: 05/11/2023]
Abstract
Proteolysis of structural molecules of the extracellular matrix (ECM) is an irreversible post-translational modification in all arthropathies. Common joint disorders, including osteoarthritis and rheumatoid arthritis, have been associated with increased levels of matrix remodelling enzymes, including matrix metalloproteinases (MMPs). MMPs, in concert with other host proteinases and glycanases, destroy proteoglycans, collagens and other ECM molecules. MMPs may also control joint remodelling indirectly by signalling through cell-surface receptors or by proteolysis of cytokines and receptor molecules. After synthesis as pro-forms, MMPs can be activated by various types of post-translational modifications, including proteolysis. Once activated, MMPs are controlled by general and specific tissue inhibitors of metalloproteinases (TIMPs). In rheumatoid arthritis, proteolysis of the ECM results in so-called remnant epitopes that enhance and perpetuate autoimmune processes in susceptible hosts. In osteoarthritis, the considerable production of MMP-13 by chondrocytes, often concurrent with mechanical overload, is a key event. Hence, information about the regulation, timing, localization and activities of MMPs in specific disease phases and arthritic entities will help to develop better diagnostics. Insights into beneficial and detrimental effects of MMPs on joint tissue inflammation are also necessary to plan and execute (pre)clinical studies for better therapy and precision medicine with MMP inhibitors. With the advances in proteomics and single-cell transcriptomics, two critical points need attention: neglected neutrophil MMP biology, and the analysis of net proteolytic activities as the result of balances between MMPs and their inhibitors.
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Affiliation(s)
- Bernard Grillet
- Laboratory of Immunobiology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Rafaela Vaz Sousa Pereira
- Laboratory of Immunobiology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Jo Van Damme
- Laboratory of Molecular Immunology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Ahmed Abu El-Asrar
- Laboratory of Immunobiology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
- Laboratory of Molecular Immunology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
- Department of Ophthalmology, King Saud University, Riyadh, Saudi Arabia
| | - Paul Proost
- Laboratory of Molecular Immunology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Ghislain Opdenakker
- Laboratory of Immunobiology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium.
- Department of Ophthalmology, King Saud University, Riyadh, Saudi Arabia.
- University Hospitals Gasthuisberg, UZ Leuven, KU Leuven, Leuven, Belgium.
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Opdenakker G, Vermeire S, Abu El-Asrar A. How to place the duality of specific MMP-9 inhibition for treatment of inflammatory bowel diseases into clinical opportunities? Front Immunol 2022; 13:983964. [PMID: 36164340 PMCID: PMC9509204 DOI: 10.3389/fimmu.2022.983964] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 07/28/2022] [Indexed: 11/13/2022] Open
Abstract
Crohn’s disease (CD) and ulcerative colitis (UC) are inflammatory bowel diseases (IBD) with the involvement of immune cells and molecules, including cytokines, chemokines and proteases. A previous extensive review about the molecular biology of matrix metalloproteases (MMPs) and tissue inhibitors of metalloproteases (TIMPs), related to intestinal barrier destruction and restoration functions in IBD, is here complemented with the literature from the last five years. We also compare IBD as a prototypic mucosal inflammation of an epithelial barrier against microorganisms with inflammatory retinopathy as a disease with a barrier dysfunction at the level of blood vessels. Multiple reasons are at the basis of halting clinical trials with monoclonal antibodies against MMP-9 for IBD treatment. These include (i) the absence of a causative role of MMP-9 in the pathology in animal models of IBD, (ii) the fact that endotoxins, crossing the intestinal barrier, induce massive local release of both neutrophil collagenase (MMP-8) and gelatinase B (MMP-9), (iii) insufficient recognition that MMPs modify the activities of cytokines, chemokines and their receptors, (iv) ignorance that MMPs exist as mixtures of proteoforms with different posttranslational modifications and with different specific activities and (v) the fact that MMPs and TIMPs act in an interactive network, possibly having also beneficial effects on IBD evolution. Nevertheless, inhibition of MMPs may be a useful therapeutic approach during specific IBD disease phases or in specific sub-phenotypes. This temporary “window of opportunity” for MMP-9 inhibition may be complemented by a locoregional one, provided that the pharmacological agents are targeted in time to affected tissues, as is achieved in ophthalmological inflammation. Thus, in order to discover spatial and temporal windows of opportunity for MMP inhibition as treatment of IBD, more preclinical work including well controlled animal studies will be further needed. In this respect, MMP-9/NGAL complex analysis in various body compartments is helpful for better stratification of IBD patients who may benefit from anti-MMP-9.
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Affiliation(s)
- Ghislain Opdenakker
- Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
- University Hospitals Leuven, KU Leuven, Leuven, Belgium
- Department of Ophthalmology, King Saud University, Riyadh, Saudi Arabia
- *Correspondence: Ghislain Opdenakker,
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Grillet B, Yu K, Ugarte-Berzal E, Janssens R, Pereira RVS, Boon L, Martens E, Berghmans N, Ronsse I, Van Aelst I, Fiten P, Conings R, Vandooren J, Verschueren P, Van Damme J, Proost P, Opdenakker G. Proteoform Analysis of Matrix Metalloproteinase-9/Gelatinase B and Discovery of Its Citrullination in Rheumatoid Arthritis Synovial Fluids. Front Immunol 2021; 12:763832. [PMID: 34912337 PMCID: PMC8667337 DOI: 10.3389/fimmu.2021.763832] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 11/11/2021] [Indexed: 11/30/2022] Open
Abstract
Objectives To explore posttranslational modifications (PTMs), including proteolytic activation, multimerization, complex formation and citrullination of gelatinases, in particular of gelatinase B/MMP-9, and to detect in gelatin-Sepharose affinity-purified synovial fluids, the presence of specific MMP proteoforms in relation to arthritis. Methods Latent, activated, complexed and truncated gelatinase-A/MMP-2 and gelatinase B/MMP-9 proteoforms were detected with the use of zymography analysis to compare specific levels, with substrate conversion assays, to test net proteolytic activities and by Western blot analysis to decipher truncation variants. Citrullination was detected with enhanced sensitivity, by the use of a new monoclonal antibody against modified citrullines. Results All MMP-9 and MMP-2 proteoforms were identified in archival synovial fluids with the use of zymography analysis and the levels of MMP-9 versus MMP-2 were studied in various arthritic diseases, including rheumatoid arthritis (RA). Secondly, we resolved misinterpretations of MMP-9 levels versus proteolytic activities. Thirdly, a citrullinated, truncated proteoform of MMP-9 was discovered in archival RA synovial fluid samples and its presence was corroborated as citrullinated hemopexin-less MMP-9 in a small prospective RA sample cohort. Conclusion Synovial fluids from rheumatoid arthritis contain high levels of MMP-9, including its truncated and citrullinated proteoform. The combination of MMP-9 as analyte and its PTM by citrullination could be of clinical interest, especially in the field of arthritic diseases.
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Affiliation(s)
- Bernard Grillet
- Laboratory of Immunobiology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Karen Yu
- Laboratory of Molecular Immunology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Estefania Ugarte-Berzal
- Laboratory of Immunobiology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Rik Janssens
- Laboratory of Molecular Immunology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Rafaela Vaz Sousa Pereira
- Laboratory of Immunobiology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Lise Boon
- Laboratory of Immunobiology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Erik Martens
- Laboratory of Immunobiology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Nele Berghmans
- Laboratory of Molecular Immunology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Isabelle Ronsse
- Laboratory of Molecular Immunology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Ilse Van Aelst
- Laboratory of Immunobiology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Pierre Fiten
- Laboratory of Immunobiology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - René Conings
- Laboratory of Molecular Immunology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Jennifer Vandooren
- Laboratory of Immunobiology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Patrick Verschueren
- Skeletal Biology and Engineering Research Center, Department of Developmental and Regenerative Medicine, University Hospitals Leuven, Leuven, Belgium
| | - Jo Van Damme
- Laboratory of Molecular Immunology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Paul Proost
- Laboratory of Molecular Immunology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Ghislain Opdenakker
- Laboratory of Immunobiology, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
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Extracellular Metalloproteinases in the Plasticity of Excitatory and Inhibitory Synapses. Cells 2021; 10:cells10082055. [PMID: 34440823 PMCID: PMC8391609 DOI: 10.3390/cells10082055] [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: 07/01/2021] [Revised: 08/03/2021] [Accepted: 08/05/2021] [Indexed: 02/07/2023] Open
Abstract
Long-term synaptic plasticity is shaped by the controlled reorganization of the synaptic proteome. A key component of this process is local proteolysis performed by the family of extracellular matrix metalloproteinases (MMPs). In recent years, considerable progress was achieved in identifying extracellular proteases involved in neuroplasticity phenomena and their protein substrates. Perisynaptic metalloproteinases regulate plastic changes at synapses through the processing of extracellular and membrane proteins. MMP9 was found to play a crucial role in excitatory synapses by controlling the NMDA-dependent LTP component. In addition, MMP3 regulates the L-type calcium channel-dependent form of LTP as well as the plasticity of neuronal excitability. Both MMP9 and MMP3 were implicated in memory and learning. Moreover, altered expression or mutations of different MMPs are associated with learning deficits and psychiatric disorders, including schizophrenia, addiction, or stress response. Contrary to excitatory drive, the investigation into the role of extracellular proteolysis in inhibitory synapses is only just beginning. Herein, we review the principal mechanisms of MMP involvement in the plasticity of excitatory transmission and the recently discovered role of proteolysis in inhibitory synapses. We discuss how different matrix metalloproteinases shape dynamics and turnover of synaptic adhesome and signal transduction pathways in neurons. Finally, we discuss future challenges in exploring synapse- and plasticity-specific functions of different metalloproteinases.
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Charzewski Ł, Krzyśko KA, Lesyng B. Structural characterisation of inhibitory and non-inhibitory MMP-9-TIMP-1 complexes and implications for regulatory mechanisms of MMP-9. Sci Rep 2021; 11:13376. [PMID: 34183752 PMCID: PMC8238946 DOI: 10.1038/s41598-021-92881-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Accepted: 05/12/2021] [Indexed: 12/18/2022] Open
Abstract
MMP-9 plays a number of important physiological functions but is also responsible for many pathological processes, including cancer invasion, metastasis, and angiogenesis. It is, therefore, crucial to understand its enzymatic activity, including activation and inhibition mechanisms. This enzyme may also be partially involved in the "cytokine storm" that is characteristic of COVID-19 disease (SARS-CoV-2), as well as in the molecular mechanisms responsible for lung fibrosis. Due to the variety of processing pathways involving MMP-9 in biological systems and its uniqueness due to the O-glycosylated domain (OGD) and fibronectin-like (FBN) domain, specific interactions with its natural TIMP-1 inhibitor should be carefully studied, because they differ significantly from other homologous systems. In particular, earlier experimental studies have indicated that the newly characterised circular form of a proMMP-9 homotrimer exhibits stronger binding properties to TIMP-1 compared to its monomeric form. However, molecular structures of the complexes and the binding mechanisms remain unknown. The purpose of this study is to fill in the gaps in knowledge. Molecular modelling methods are applied to build the inhibitory and non-inhibitory MMP-9-TIMP-1 complexes, which allows for a detailed description of these structures and should allow for a better understanding of the regulatory processes in which MMP-9 is involved.
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Affiliation(s)
- Łukasz Charzewski
- Department of Biophysics, Faculty of Physics, University of Warsaw, Pasteura 5, 02-093, Warsaw, Poland
| | - Krystiana A Krzyśko
- Department of Biophysics, Faculty of Physics, University of Warsaw, Pasteura 5, 02-093, Warsaw, Poland.
| | - Bogdan Lesyng
- Department of Biophysics, Faculty of Physics, University of Warsaw, Pasteura 5, 02-093, Warsaw, Poland
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Christina VS, Sundaram RL, Sivamurugan V, Kumar DT, Mohanapriya CD, Shailaja VL, Thyagarajan SP, Doss CGP, Gnanambal KME. Inhibition of MMP2-PEX by a novel ester of dihydroxy cinnamic and linoleic acid from the seagrass Cymodocea serrulata. Sci Rep 2021; 11:11451. [PMID: 34075089 PMCID: PMC8169913 DOI: 10.1038/s41598-021-90845-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 04/30/2021] [Indexed: 11/09/2022] Open
Abstract
Matrix metalloproteinases (MMPs) are pivotal for cancer cell migration and metastasis which are generally over-expressed in such cell types. Many drugs targeting MMPs do so by binding to the conserved catalytic domains and thus exhibit poor selectivity due to domain-similarities with other proteases. We report herein the binding of a novel compound [3-(E-3,4-dihydroxycinnamaoyloxyl)-2-hydroxypropyl 9Z, 12Z-octadeca-9, 12-dienoate; Mol. wt: 516.67 Da], (C1), isolated from a seagrass, Cymodocea serrulata to the unconserved hemopexin-like (PEX) domain of MMP2 (- 9.258 kcal/mol). MD simulations for 25 ns, suggest stable ligand-target binding. In addition, C1 killed an ovarian cancer cell line, PA1 at IC50: 5.8 μM (lesser than Doxorubicin: 8.6 µM) and formed micronuclei, apoptotic bodies and nucleoplasmic bridges whilst causing DNA laddering, S and G2/M phase dual arrests and MMP disturbance, suggesting intrinsic apoptosis. The molecule increased mRNA transcripts of BAX and BAD and down-regulated cell survival genes, Bcl-xL, Bcl-2, MMP2 and MMP9. The chemical and structural details of C1 were deduced through FT-IR, GC-MS, ESI-MS, 1H and 13C NMR [both 1D and 2D] spectra.
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Affiliation(s)
- V S Christina
- Department of Biotechnology, Faculty of Biomedical Sciences and Technology, SRI RAMACHANDRA Institute of Higher Education and Research (SRIHER), Deemed to be University (DU), Porur, Chennai, Tamil Nadu, 600 116, India
| | - R Lakshmi Sundaram
- Central Research Facility (CRF), SRI RAMACHANDRA Institute of Higher Education and Research (SRIHER), Deemed to be University (DU), Porur, Chennai, Tamil Nadu, 600 116, India
| | - V Sivamurugan
- PG & Research Department of Chemistry, Pachaiyappa's College, Chennai, Tamil Nadu, 600 030, India.
| | - D Thirumal Kumar
- Meenakshi Academy of Higher Education and Research, Chennai, Tamil Nadu, 600 078, India
| | - C D Mohanapriya
- Central Research Facility (CRF), SRI RAMACHANDRA Institute of Higher Education and Research (SRIHER), Deemed to be University (DU), Porur, Chennai, Tamil Nadu, 600 116, India
| | - V L Shailaja
- Department of Biotechnology, Faculty of Biomedical Sciences and Technology, SRI RAMACHANDRA Institute of Higher Education and Research (SRIHER), Deemed to be University (DU), Porur, Chennai, Tamil Nadu, 600 116, India
| | - S P Thyagarajan
- Avinashilingam Institute for Home Science and Higher Education for Women (Deemed University), Coimbatore, Tamil Nadu, 641 043, India
| | - C George Priya Doss
- Department of Integrative Biology, School of Biosciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - K Mary Elizabeth Gnanambal
- Department of Biotechnology, Faculty of Biomedical Sciences and Technology, SRI RAMACHANDRA Institute of Higher Education and Research (SRIHER), Deemed to be University (DU), Porur, Chennai, Tamil Nadu, 600 116, India.
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The Role of Matrix Metalloproteinase-9 in Atherosclerotic Plaque Instability. Mediators Inflamm 2020; 2020:3872367. [PMID: 33082709 PMCID: PMC7557896 DOI: 10.1155/2020/3872367] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Revised: 08/10/2020] [Accepted: 09/23/2020] [Indexed: 02/07/2023] Open
Abstract
Matrix metalloproteinase-9 (MMP-9) belongs to the MMP family and has been widely investigated. Excessive MMP-9 expression can enhance extracellular matrix degradation and promote plaque instability. Studies have demonstrated that MMP-9 levels are higher in vulnerable plaques than in stable plaques. Additionally, several human studies have demonstrated that MMP-9 may be a predictor of atherosclerotic plaque instability and a risk factor for future adverse cardiovascular and cerebrovascular events. MMP-9 deficiency or blocking MMP-9 expression can inhibit plaque inflammation and prevent atherosclerotic plaque instability. All of these results suggest that MMP-9 may be a useful predictive biomarker for vulnerable atherosclerotic plaques, as well as a therapeutic target for preventing atherosclerotic plaque instability. In this review, we describe the structure, function, and regulation of MMP-9. We also discuss the role of MMP-9 in predicting and preventing atherosclerotic plaque instability.
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Serifova X, Ugarte-Berzal E, Opdenakker G, Vandooren J. Homotrimeric MMP-9 is an active hitchhiker on alpha-2-macroglobulin partially escaping protease inhibition and internalization through LRP-1. Cell Mol Life Sci 2020; 77:3013-3026. [PMID: 31642940 PMCID: PMC11104829 DOI: 10.1007/s00018-019-03338-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 09/27/2019] [Accepted: 10/03/2019] [Indexed: 01/07/2023]
Abstract
Proteolysis is a crucial process in life, tightly controlled by numerous natural protease inhibitors. In human blood, alpha-2-macroglobulin is an emergency protease inhibitor preventing coagulation and damage to endothelia and leukocytes. With the use of a unique protease trapping mechanism, alpha-2-macroglobulin lures active proteases into its snap-trap, shields these from potential substrates and 'flags' their complex for elimination by receptor-mediated endocytosis. Matrix metalloprotease-9/gelatinase B is a secreted protease increased in blood of patients with inflammations, vascular disorders and cancers. Matrix metalloprotease-9 occurs as monomers and stable homotrimers, but the reason for their co-existence remains obscure. We discovered that matrix metalloprotease-9 homotrimers undergo reduced anti-proteolytic regulation by alpha-2-macroglobulin and are able to travel as a proteolytically active hitchhiker on alpha-2-macroglobulin. As a comparison, we revealed that monomeric active matrix metalloprotease-9 is efficiently trapped by human plasma alpha-2-macroglobulin and this masks the detection of activated matrix metalloprotease-9 with standard analysis techniques. In addition, we show that alpha-2-macroglobulin/trimer complexes escape clearance through the receptor low-density lipoprotein receptor-related protein 1, also known as the alpha-2-macroglobulin receptor. Thus, the biochemistry and biology of matrix metalloprotease-9 monomers and trimers are completely different as multimerization enables active matrix metalloprotease-9 to partially avoid alpha-2-macroglobulin regulation both by direct protease inhibition and by removal from the extracellular space by receptor-mediated endocytosis. Finally, for the biomarker field, the analysis of alpha-2-macroglobulin/protease complexes with upgraded technology is advocated as a quotum for protease activation in human plasma samples.
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Affiliation(s)
- Xena Serifova
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Herestraat 49, Bus 1044, 3000, Leuven, Belgium
| | - Estefania Ugarte-Berzal
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Herestraat 49, Bus 1044, 3000, Leuven, Belgium
| | - Ghislain Opdenakker
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Herestraat 49, Bus 1044, 3000, Leuven, Belgium
| | - Jennifer Vandooren
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Herestraat 49, Bus 1044, 3000, Leuven, Belgium.
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Nuti E, Rossello A, Cuffaro D, Camodeca C, Van Bael J, van der Maat D, Martens E, Fiten P, Pereira RVS, Ugarte-Berzal E, Gouwy M, Opdenakker G, Vandooren J. Bivalent Inhibitor with Selectivity for Trimeric MMP-9 Amplifies Neutrophil Chemotaxis and Enables Functional Studies on MMP-9 Proteoforms. Cells 2020; 9:cells9071634. [PMID: 32645949 PMCID: PMC7408547 DOI: 10.3390/cells9071634] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 06/30/2020] [Accepted: 07/02/2020] [Indexed: 12/12/2022] Open
Abstract
A fundamental part of the immune response to infection or injury is leukocyte migration. Matrix metalloproteinases (MMPs) are a class of secreted or cell-bound endopeptidases, implicated in every step of the process of inflammatory cell migration. Hence, specific inhibition of MMPs is an interesting approach to control inflammation. We evaluated the potential of a bivalent carboxylate inhibitor to selectively inhibit the trimeric proteoform of MMP-9 and compared this with a corresponding monovalent inhibitor. The bivalent inhibitor efficiently inhibited trimeric MMP-9 (IC50 = 0.1 nM), with at least 500-fold selectivity for MMP-9 trimers over monomers. Surprisingly, in a mouse model for chemotaxis, the bivalent inhibitor amplified leukocyte influxes towards lipopolysaccharide-induced inflammation. We verified by microscopic and flow cytometry analysis increased amounts of neutrophils. In a mouse model for endotoxin shock, mice treated with the bivalent inhibitor had significantly increased levels of MMP-9 in plasma and lungs, indicative for increased inflammation. In conclusion, we propose a new role for MMP-9 trimers in tempering excessive neutrophil migration. In addition, we have identified a small molecule inhibitor with a high selectivity for the trimeric proteoform of MMP-9, which will allow further research on the functions of MMP-9 proteoforms.
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Affiliation(s)
- Elisa Nuti
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy; (E.N.); (A.R.); (D.C.); (C.C.)
| | - Armando Rossello
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy; (E.N.); (A.R.); (D.C.); (C.C.)
| | - Doretta Cuffaro
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy; (E.N.); (A.R.); (D.C.); (C.C.)
| | - Caterina Camodeca
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy; (E.N.); (A.R.); (D.C.); (C.C.)
| | - Jens Van Bael
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, KU Leuven, Herestraat 49-bus 1044, B-3000 Leuven, Belgium; (J.V.B.); (D.v.d.M.); (E.M.); (P.F.); (R.V.S.P.); (E.U.-B.); (G.O.)
| | - Dries van der Maat
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, KU Leuven, Herestraat 49-bus 1044, B-3000 Leuven, Belgium; (J.V.B.); (D.v.d.M.); (E.M.); (P.F.); (R.V.S.P.); (E.U.-B.); (G.O.)
| | - Erik Martens
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, KU Leuven, Herestraat 49-bus 1044, B-3000 Leuven, Belgium; (J.V.B.); (D.v.d.M.); (E.M.); (P.F.); (R.V.S.P.); (E.U.-B.); (G.O.)
| | - Pierre Fiten
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, KU Leuven, Herestraat 49-bus 1044, B-3000 Leuven, Belgium; (J.V.B.); (D.v.d.M.); (E.M.); (P.F.); (R.V.S.P.); (E.U.-B.); (G.O.)
| | - Rafaela Vaz Sousa Pereira
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, KU Leuven, Herestraat 49-bus 1044, B-3000 Leuven, Belgium; (J.V.B.); (D.v.d.M.); (E.M.); (P.F.); (R.V.S.P.); (E.U.-B.); (G.O.)
| | - Estefania Ugarte-Berzal
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, KU Leuven, Herestraat 49-bus 1044, B-3000 Leuven, Belgium; (J.V.B.); (D.v.d.M.); (E.M.); (P.F.); (R.V.S.P.); (E.U.-B.); (G.O.)
| | - Mieke Gouwy
- Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, KU Leuven, Herestraat 49-bus 1044, B-3000 Leuven, Belgium;
| | - Ghislain Opdenakker
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, KU Leuven, Herestraat 49-bus 1044, B-3000 Leuven, Belgium; (J.V.B.); (D.v.d.M.); (E.M.); (P.F.); (R.V.S.P.); (E.U.-B.); (G.O.)
| | - Jennifer Vandooren
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, KU Leuven, Herestraat 49-bus 1044, B-3000 Leuven, Belgium; (J.V.B.); (D.v.d.M.); (E.M.); (P.F.); (R.V.S.P.); (E.U.-B.); (G.O.)
- Correspondence: ; Tel.: +32-16-32-22-95
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Molecular Interactions Stabilizing the Promatrix Metalloprotease-9·Serglycin Heteromer. Int J Mol Sci 2020; 21:ijms21124205. [PMID: 32545641 PMCID: PMC7352350 DOI: 10.3390/ijms21124205] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 06/03/2020] [Accepted: 06/10/2020] [Indexed: 12/13/2022] Open
Abstract
Previous studies have shown that THP-1 cells produced an SDS-stable and reduction-sensitive complex between proMMP-9 and a chondroitin sulfate proteoglycan (CSPG) core protein. The complex could be reconstituted in vitro using purified serglycin (SG) and proMMP-9 and contained no inter-disulfide bridges. It was suggested that the complex involved both the FnII module and HPX domain of proMMP-9. The aims of the present study were to resolve the interacting regions of the molecules that form the complex and the types of interactions involved. In order to study this, we expressed and purified full-length and deletion variants of proMMP-9, purified CSPG and SG, and performed in vitro reconstitution assays, peptide arrays, protein modelling, docking, and molecular dynamics (MD) simulations. ProMMP-9 variants lacking both the FnII module and the HPX domain did not form the proMMP-9∙CSPG/SG complex. Deletion variants containing at least the FnII module or the HPX domain formed the proMMP-9∙CSPG/SG complex, as did the SG core protein without CS chains. The interacting parts covered large surface areas of both molecules and implicated dynamic and complementary ionic, hydrophobic, and hydrogen bond interactions. Hence, no short single interacting linear motifs in the two macromolecules could explain the strong SDS-stable and reduction-sensitive binding.
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13
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Boon L, Ugarte-Berzal E, Vandooren J, Opdenakker G. Protease propeptide structures, mechanisms of activation, and functions. Crit Rev Biochem Mol Biol 2020; 55:111-165. [PMID: 32290726 DOI: 10.1080/10409238.2020.1742090] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Proteases are a diverse group of hydrolytic enzymes, ranging from single-domain catalytic molecules to sophisticated multi-functional macromolecules. Human proteases are divided into five mechanistic classes: aspartate, cysteine, metallo, serine and threonine proteases, based on the catalytic mechanism of hydrolysis. As a protective mechanism against uncontrolled proteolysis, proteases are often produced and secreted as inactive precursors, called zymogens, containing inhibitory N-terminal propeptides. Protease propeptide structures vary considerably in length, ranging from dipeptides and propeptides of about 10 amino acids to complex multifunctional prodomains with hundreds of residues. Interestingly, sequence analysis of the different protease domains has demonstrated that propeptide sequences present higher heterogeneity compared with their catalytic domains. Therefore, we suggest that protease inhibition targeting propeptides might be more specific and have less off-target effects than classical inhibitors. The roles of propeptides, besides keeping protease latency, include correct folding of proteases, compartmentalization, liganding, and functional modulation. Changes in the propeptide sequence, thus, have a tremendous impact on the cognate enzymes. Small modifications of the propeptide sequences modulate the activity of the enzymes, which may be useful as a therapeutic strategy. This review provides an overview of known human proteases, with a focus on the role of their propeptides. We review propeptide functions, activation mechanisms, and possible therapeutic applications.
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Affiliation(s)
- Lise Boon
- Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, Laboratory of Immunobiology, KU Leuven, Leuven, Belgium
| | - Estefania Ugarte-Berzal
- Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, Laboratory of Immunobiology, KU Leuven, Leuven, Belgium
| | - Jennifer Vandooren
- Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, Laboratory of Immunobiology, KU Leuven, Leuven, Belgium
| | - Ghislain Opdenakker
- Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, Laboratory of Immunobiology, KU Leuven, Leuven, Belgium
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Ligi D, Maniscalco R, Mannello F. MMP-2 and MMP-9 in Human Peripheral Blood: Optimizing Gelatinase Calibrator for Degradome Research and Discovering a Novel Gelatinolytic Enzyme. J Proteome Res 2020; 19:525-536. [PMID: 31612719 DOI: 10.1021/acs.jproteome.9b00261] [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] [Indexed: 11/30/2022]
Abstract
Matrix metalloprotease-2 and -9 (gelatinase A and B, respectively) are enzymes crucially involved in a plethora of physiopathological conditions. Gelatin zymography is considered one of the major qualitative/semiquantitative assays for simultaneously determining zymogenic, active, and complexed forms of gelatinases. Critical steps are represented by variations in sample collection methods, molecular weight standard calibrators, and different zymography assay protocols. A normalization of these aspects is required for reducing discrepancies in technical procedures and interpreting results among different laboratories. In this study, we describe a novel protocol for gelatin zymography with increased pore size, which improves the separation of gelatinases with different molecular weights. A new method for obtaining gelatinase calibrator for gelatin zymography, by extracting MMP-2 and MMP-9 from peripheral blood, is also reported. Our method provides a gelatinase calibrator with enhanced stability both at room temperature and during multiple freeze-thaw cycles. This calibrator preparation is also suitable for in vitro post-translational modifications. For the first time, the improved zymography protocol allowed us to reveal in human peripheral blood samples new gelatinolytic bands resolved at very high molecular weight, likely complexes of MMP-9, undetectable with classical zymography protocols.
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Affiliation(s)
- Daniela Ligi
- Department of Biomolecular Sciences, Section of Clinical Biochemistry and Molecular Genetics , University of Urbino Carlo Bo , via O. Ubaldini 7 , 61029 Urbino , Italy
| | - Rosanna Maniscalco
- Department of Biomolecular Sciences, Section of Clinical Biochemistry and Molecular Genetics , University of Urbino Carlo Bo , via O. Ubaldini 7 , 61029 Urbino , Italy
| | - Ferdinando Mannello
- Department of Biomolecular Sciences, Section of Clinical Biochemistry and Molecular Genetics , University of Urbino Carlo Bo , via O. Ubaldini 7 , 61029 Urbino , Italy
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15
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Shirali AS, Lluri G, Guihard PJ, Conrad MB, Kim H, Pawlikowska L, Boström KI, Iruela-Arispe ML, Aboulhosn JA. Angiopoietin-2 predicts morbidity in adults with Fontan physiology. Sci Rep 2019; 9:18328. [PMID: 31797976 PMCID: PMC6892891 DOI: 10.1038/s41598-019-54776-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 11/14/2019] [Indexed: 12/14/2022] Open
Abstract
Morbidity in patients with single-ventricle Fontan circulation is common and includes arrhythmias, edema, and pulmonary arteriovenous malformations (PAVM) among others. We sought to identify biomarkers that may predict such complications. Twenty-five patients with Fontan physiology and 12 control patients with atrial septal defects (ASD) that underwent cardiac catheterization were included. Plasma was collected from the hepatic vein and superior vena cava and underwent protein profiling for a panel of 20 analytes involved in angiogenesis and endothelial dysfunction. Ten (40%) of Fontan patients had evidence of PAVM, eighteen (72%) had a history of arrhythmia, and five (20%) were actively in arrhythmia or had a recent arrhythmia. Angiopoietin-2 (Ang-2) was higher in Fontan patients (8,875.4 ± 3,336.9 pg/mL) versus the ASD group (1,663.6 ± 587.3 pg/mL, p < 0.0001). Ang-2 was higher in Fontan patients with active or recent arrhythmia (11,396.0 ± 3,457.7 vs 8,118.2 ± 2,795.1 pg/mL, p < 0.05). A threshold of 8,500 pg/mL gives Ang-2 a negative predictive value of 100% and positive predictive value of 42% in diagnosing recent arrhythmia. Ang-2 is elevated among adults with Fontan physiology. Ang-2 level is associated with active or recent arrhythmia, but was not found to be associated with PAVM.
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Affiliation(s)
- Aditya S Shirali
- Department of Surgery, University of California Los Angeles, Los Angeles, CA, USA
| | - Gentian Lluri
- Ahmanson/UCLA Adult Congenital Heart Disease Center, Division of Cardiology, University of California Los Angeles, Los Angeles, CA, USA.
| | - Pierre J Guihard
- Division of Cardiology, University of California Los Angeles, Los Angeles, CA, USA
| | - Miles B Conrad
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, USA
| | - Helen Kim
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California San Francisco, San Francisco, CA, USA.,Institute for Human Genetics, University of California San Francisco, San Francisco, CA, USA
| | - Ludmila Pawlikowska
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California San Francisco, San Francisco, CA, USA.,Institute for Human Genetics, University of California San Francisco, San Francisco, CA, USA
| | - Kristina I Boström
- Division of Cardiology, University of California Los Angeles, Los Angeles, CA, USA
| | - M Luisa Iruela-Arispe
- Department of Molecular, Cell & Developmental Biology, Molecular Biology Institute and Jonsson Comprehensive Cancer Center, University of California Los Angeles, Los Angeles, CA, USA
| | - Jamil A Aboulhosn
- Ahmanson/UCLA Adult Congenital Heart Disease Center, Division of Cardiology, University of California Los Angeles, Los Angeles, CA, USA.
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16
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Adhipandito CF, Ludji DPKS, Aprilianto E, Jenie RI, Al-Najjar B, Hariono M. Matrix metalloproteinase9 as the protein target in anti-breast cancer drug discovery: an approach by targeting hemopexin domain. FUTURE JOURNAL OF PHARMACEUTICAL SCIENCES 2019. [DOI: 10.1186/s43094-019-0001-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
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17
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Opdenakker G, Abu El-Asrar A. Metalloproteinases mediate diabetes-induced retinal neuropathy and vasculopathy. Cell Mol Life Sci 2019; 76:3157-3166. [PMID: 31183508 PMCID: PMC11105743 DOI: 10.1007/s00018-019-03177-3] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 05/23/2019] [Accepted: 05/29/2019] [Indexed: 02/07/2023]
Abstract
Matrix metalloproteinases (MMPs) and related metalloproteinases with a disintegrin domain (ADAMs) have become interesting probes and targets in eye diseases, including diabetic retinopathy. We here summarize recent data about MMPs and ADAMs in retinopathies. Retinal diseases range from rare genetic afflictions to diabetic retinopathy, the latter of which is reaching epidemic proportions. MMPs and ADAMs play roles in normal eye development and in disease states, not only in local proteolysis but also signaling functions mediated by specific protein domains, interacting with cell surface receptors. In proliferative diabetic retinopathy, inflammation, hypoxia-induced vascular endothelial growth factor and oxidative stress collectively stimulate the production, activation and signaling functions of pro-MMP-9. This leads to angiogenesis, destruction of neuroprotective prominin-1, loss of photoreceptors and blood-retina barrier breakdown. Biological inhibition of proteolysis and control of signaling functions are executed by the tissue inhibitors of metalloproteases (TIMPs). Angiogenic, inflammatory and fibrotic reactions, in which MMPs, ADAMs and TIMPs are involved, co-determine common eye diseases. Therefore, visions about the use of these proteases as biomarkers and as targets for therapeutic inhibitors, including small molecule inhibitors and monoclonal antibodies, may lead to breakthroughs in tissue regeneration, maintenance of photoreceptors and neuroprotection.
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Affiliation(s)
- Ghislain Opdenakker
- Department of Microbiology and Immunology, Rega Institute, KU Leuven, University of Leuven, Leuven, Belgium.
| | - Ahmed Abu El-Asrar
- Department of Ophthalmology, Dr. Nasser Al-Rashid Research Chair in Ophthalmology, King Saud University, Rhiyad, Saudi Arabia
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18
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Phillipson M, Kubes P. The Healing Power of Neutrophils. Trends Immunol 2019; 40:635-647. [PMID: 31160208 DOI: 10.1016/j.it.2019.05.001] [Citation(s) in RCA: 250] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 05/01/2019] [Accepted: 05/01/2019] [Indexed: 11/28/2022]
Abstract
Neutrophils promptly accumulate in large numbers at sites of tissue injury. Injuries to the skin or mucosae disrupt barriers against the external environment, and the bactericidal actions of neutrophils are important in preventing microbial invasion. Neutrophils have also been associated with exacerbated inflammation, for example in non-healing wounds or in conditions such as inflammatory bowel disease (IBD). However, additional neutrophil functions important for angiogenesis and tissue restoration have been uncovered in models of sterile and ischemic injury, as well as in tumors. These functions are also relevant in healing skin and mucosal wounds, and can be impaired in conditions associated with non-healing wounds, such as diabetes. Here, we discuss our current understanding of neutrophil contributions to healing, and how the latter can be compromised in disease.
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Affiliation(s)
- Mia Phillipson
- Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden
| | - Paul Kubes
- Snyder Institute of Infection, Immunity, and Inflammation, University of Calgary, Calgary, Alberta, T2N 4N1, Canada; Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, T2N 4N1, Canada.
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19
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Rafique A, Etzerodt A, Graversen JH, Moestrup SK, Dagnæs-Hansen F, Møller HJ. Targeted lipid nanoparticle delivery of calcitriol to human monocyte-derived macrophages in vitro and in vivo: investigation of the anti-inflammatory effects of calcitriol. Int J Nanomedicine 2019; 14:2829-2846. [PMID: 31114197 PMCID: PMC6488164 DOI: 10.2147/ijn.s192113] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Background Vitamin D3 possesses anti-inflammatory and modulatory properties in addition to its role in calcium and phosphate homeostasis. Upon activation, macrophages (M) can initiate and sustain pro-inflammatory cytokine production in inflammatory disorders and play a pathogenic role in certain cancers. Purpose The main purpose of this study was to encapsulate and specifically target calcitriol to macrophages and investigate the anti-inflammatory properties of calcitriol in vitro and in vivo. Methods In this study we have designed and developed near-infrared calcitriol PEGylated nanoparticles (PEG-LNP(Cal)) using a microfluidic mixing technique and modified lipid nanoparticles (LNPs) to target the M specific endocytic receptor CD163. We have investigated LNP cellular uptake and anti-inflammatory effect in LPS-induced M in vitro by flow cytometry, confocal microscopy and gene expression analyses. LNP pharmacodynamics, bio-distribution and organ specific LNP accumulation was also investigated in mice in vivo. Results In vitro, we observed the specific uptake of PEG-LNP(Cal)-hCD163 in human M, which was significantly higher than the non-specific uptake of control PEG-LNP(Cal)-IgG(h) in M. Pretreatment with encapsulated calcitriol was able to attenuate intracellular TNF-expression, and M surface marker HLA-DR expression more efficiently than free calcitriol in LPS-induced M in vitro. Encapsulated calcitriol diminished mRNA gene levels of TNF-, NF-B, MCP-1 and IL-6, while upregulating IL-10. TNF- and IL-6 protein secretion also decreased. In mice, an in vivo pharmacodynamic study of PEG-LNP(Cal) showed a rapid clearance of IgG and CD163 modified LNPs compared to PEG-LNP(Cal). Antibody modified PEG-LNP(Cal) accumulated in the liver, spleen and kidney, whereas unmodified PEG-LNP(Cal) accumulation was only observed in the liver. Conclusion Our results show that calcitriol can be effectively targeted to M. Our data confirms the anti-inflammatory properties of calcitriol and this may be a potential way to deliver high dose bioactive calcitriol to M during inflammation in vivo.
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Affiliation(s)
- Aisha Rafique
- Department of Clinical Biochemistry, Aarhus University Hospital, Aarhus, Denmark,
| | - Anders Etzerodt
- Institute of Biomedicine, Aarhus University, Aarhus, Denmark
| | - Jonas H Graversen
- Department of Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Søren K Moestrup
- Department of Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | | | - Holger Jon Møller
- Department of Clinical Biochemistry, Aarhus University Hospital, Aarhus, Denmark,
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20
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Grünwald B, Schoeps B, Krüger A. Recognizing the Molecular Multifunctionality and Interactome of TIMP-1. Trends Cell Biol 2019; 29:6-19. [DOI: 10.1016/j.tcb.2018.08.006] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Revised: 08/24/2018] [Accepted: 08/28/2018] [Indexed: 01/31/2023]
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21
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Furuzawa-Carballeda J, Boon L, Torres-Villalobos G, Romero-Hernández F, Ugarte-Berzal E, Martens E, Vandooren J, Rybakin V, Coss-Adame E, Valdovinos M, Velazquez-Fernández D, Opdenakker G. Gelatinase B/Matrix Metalloproteinase-9 as Innate Immune Effector Molecule in Achalasia. Clin Transl Gastroenterol 2018; 9:208. [PMID: 30449890 PMCID: PMC6240577 DOI: 10.1038/s41424-018-0076-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 09/28/2018] [Accepted: 10/22/2018] [Indexed: 02/06/2023] Open
Abstract
Objectives Achalasia is a primary esophageal motility disorder resulting from selective loss of inhibitory neurons in the esophageal myenteric plexus, likely due to an autoimmune response with involvement of the adaptive immune system. Innate immune processes of the host constitute the bridge between environmental etiological factors and the adaptive immune system. Although these remain poorly investigated, they might be of diagnostic and therapeutic relevance. In view of the role of extracellular proteolysis in organ-specific autoimmunity, we studied gelatinases of the matrix metalloproteinase (MMP) family in achalasia patients. Methods The presence of MMP-2 and MMP-9 proteoforms was analyzed in sera of two cohorts of achalasia patients. Additionally, with the use of immunohistopathological analysis, in situ MMP-2 and MMP-9 expression was investigated. Finally, we tested the paradigm of remnant epitopes generating autoimmunity (REGA) for achalasia-associated autoantigens by evaluating whether autoantigenic proteins are cleaved by MMP-9 into remnant epitopes. Results We showed significantly increased ratios of MMP-9/MMP-2 and activated MMP-9/proMMP-9 in sera of achalasia patients (n = 88) versus controls (n = 60). MMP-9-positive and MMP-2-positive cells were more abundant in achalasia (n = 49) versus control biopsies from transplant donors (n = 10). Furthermore, extensive damage within the plexus was found in the tissues with more MMP-9-positive cells. Additionally, we documented achalasia-associated autoantigens PNMA2, Ri, GAD65, and VIP as novel MMP-9 substrates. Conclusions We provide new biomarkers and insights into innate immune mechanisms in the autoimmune pathology of achalasia. Our results imply that extracellular protease inhibition is worthwhile to test as therapeutic intervention in achalasia.
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Affiliation(s)
- Janette Furuzawa-Carballeda
- Department of Immunology and Rheumatology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Lise Boon
- Department of Microbiology and Immunology, Laboratory of Immunobiology, Rega Institute for Medical Research, KU Leuven, University of Leuven, Leuven, Belgium
| | - Gonzalo Torres-Villalobos
- Department of Experimental Surgery, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico.,Department of Surgery, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Fernanda Romero-Hernández
- Department of Experimental Surgery, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Estefania Ugarte-Berzal
- Department of Microbiology and Immunology, Laboratory of Immunobiology, Rega Institute for Medical Research, KU Leuven, University of Leuven, Leuven, Belgium
| | - Erik Martens
- Department of Microbiology and Immunology, Laboratory of Immunobiology, Rega Institute for Medical Research, KU Leuven, University of Leuven, Leuven, Belgium
| | - Jennifer Vandooren
- Department of Microbiology and Immunology, Laboratory of Immunobiology, Rega Institute for Medical Research, KU Leuven, University of Leuven, Leuven, Belgium
| | - Vasily Rybakin
- Department of Microbiology and Immunology, Laboratory of Immunobiology, Rega Institute for Medical Research, KU Leuven, University of Leuven, Leuven, Belgium
| | - Enrique Coss-Adame
- Department of Gastroenterology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Miguel Valdovinos
- Department of Gastroenterology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - David Velazquez-Fernández
- Department of Surgery, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Ghislain Opdenakker
- Department of Microbiology and Immunology, Laboratory of Immunobiology, Rega Institute for Medical Research, KU Leuven, University of Leuven, Leuven, Belgium.
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22
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Sylte I, Dawadi R, Malla N, von Hofsten S, Nguyen TM, Solli AI, Berg E, Adekoya OA, Svineng G, Winberg JO. The selectivity of galardin and an azasugar-based hydroxamate compound for human matrix metalloproteases and bacterial metalloproteases. PLoS One 2018; 13:e0200237. [PMID: 30075004 PMCID: PMC6075749 DOI: 10.1371/journal.pone.0200237] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Accepted: 06/22/2018] [Indexed: 02/07/2023] Open
Abstract
Inhibitors targeting bacterial enzymes should not interfere with enzymes of the host, and knowledge about structural determinants for selectivity is important for designing inhibitors with a therapeutic potential. We have determined the binding strengths of two hydroxamate compounds, galardin and compound 1b for the bacterial zinc metalloproteases, thermolysin, pseudolysin and auerolysin, known to be bacterial virulence factors, and the two human zinc metalloproteases MMP-9 and MMP-14. The active sites of the bacterial and human enzymes have huge similarities. In addition, we also studied the enzyme-inhibitor interactions by molecular modelling. The obtained Ki values of galardin for MMP-9 and MMP-14 and compound 1b for MMP-9 are approximately ten times lower than previously reported. Compound 1b binds stronger than galardin to both MMP-9 and MMP-14, and docking studies indicated that the diphenyl ether moiety of compound 1b obtains more favourable interactions within the S´1-subpocket than the 4-methylpentanoyl moiety of galardin. Both compounds bind stronger to MMP-9 than to MMP-14, which appears to be due to a larger S´1-subpocket in the former enzyme. Galardin, but not 1b, inhibits the bacterial enzymes, but the galardin Ki values were much larger than for the MMPs. The docking indicates that the S´1-subpockets of the bacterial proteases are too small to accommodate the diphenyl ether moiety of 1b, while the 4-methylpentanoyl moiety of galardin enters the pocket. The present study indicates that the size and shape of the ligand structural moiety entering the S´1-subpocket is an important determinant for selectivity between the studied MMPs and bacterial MPs.
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Affiliation(s)
- Ingebrigt Sylte
- Department of Medical Biology, Faculty of Health Sciences, UiT-The Arctic University of Norway, Tromsø, Norway
| | - Rangita Dawadi
- Department of Medical Biology, Faculty of Health Sciences, UiT-The Arctic University of Norway, Tromsø, Norway
| | - Nabin Malla
- Department of Medical Biology, Faculty of Health Sciences, UiT-The Arctic University of Norway, Tromsø, Norway
| | - Susannah von Hofsten
- Department of Medical Biology, Faculty of Health Sciences, UiT-The Arctic University of Norway, Tromsø, Norway
| | - Tra-Mi Nguyen
- Department of Pharmacy, Faculty of Health Sciences, UiT-The Arctic University of Norway, Tromsø, Norway
| | - Ann Iren Solli
- Department of Medical Biology, Faculty of Health Sciences, UiT-The Arctic University of Norway, Tromsø, Norway
| | - Eli Berg
- Department of Medical Biology, Faculty of Health Sciences, UiT-The Arctic University of Norway, Tromsø, Norway
| | - Olayiwola A. Adekoya
- Department of Pharmacy, Faculty of Health Sciences, UiT-The Arctic University of Norway, Tromsø, Norway
| | - Gunbjørg Svineng
- Department of Medical Biology, Faculty of Health Sciences, UiT-The Arctic University of Norway, Tromsø, Norway
| | - Jan-Olof Winberg
- Department of Medical Biology, Faculty of Health Sciences, UiT-The Arctic University of Norway, Tromsø, Norway
- * E-mail:
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23
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Vandooren J, Goeminne P, Boon L, Ugarte-Berzal E, Rybakin V, Proost P, Abu El-Asrar AM, Opdenakker G. Neutrophils and Activated Macrophages Control Mucosal Immunity by Proteolytic Cleavage of Antileukoproteinase. Front Immunol 2018; 9:1154. [PMID: 29892293 PMCID: PMC5985294 DOI: 10.3389/fimmu.2018.01154] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Accepted: 05/08/2018] [Indexed: 12/13/2022] Open
Abstract
Antileukoproteinase or secretory leukocyte peptidase inhibitor is a small protein which protects the mucosal linings against excessive proteolysis, inflammation, and microbial infection. We discovered that gelatinase B or matrix metalloproteinase (MMP)-9, a secreted zinc-dependent endopeptidase typically found at sites of inflammation, destroys antileukoproteinase by cleavages within both of its two functional domains: the anti-microbial N-terminal and the anti-proteolytic C-terminal domains. Cleaved antileukoproteinase possessed a significantly lower ability to bind lipopolysaccharides (LPS) and a reduced capacity to inhibit neutrophil elastase (NE) activity. Whereas intact antileukoproteinase repressed proinflammatory transcript [prostaglandin-endoperoxide synthase 2 (PTGS2) and IL6] synthesis and protein secretion [e.g., of MMP-9] in human CD14+ blood monocytes stimulated with LPS, this effect was reduced or lost for cleaved antileukoproteinase. We demonstrated the in vivo presence of antileukoproteinase cleavage fragments in lower airway secretions of non-cystic fibrosis bronchiectasis patients with considerable levels of neutrophils and, hence, elastase and MMP-9 activity. As a comparison, other MMPs (MMP-2, MMP-7, and MMP-8) and serine proteases (NE, cathepsin G, and proteinase 3) were also able to cleave antileukoproteinase with similar or reduced efficiency. In conclusion, in specific mucosal pathologies, such as bronchiectasis, neutrophils, and macrophage subsets control local immune reactions by proteolytic regulation, here described as the balance between MMPs (in particular MMP-9), serine proteases and local tissue inhibitors.
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Affiliation(s)
- Jennifer Vandooren
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Leuven, Belgium
| | - Pieter Goeminne
- Department of Respiratory Disease, University Hospital of Gasthuisberg, Leuven, Belgium.,Department of Respiratory Disease, AZ Nikolaas, Sint-Niklaas, Belgium
| | - Lise Boon
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Leuven, Belgium
| | - Estefania Ugarte-Berzal
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Leuven, Belgium
| | - Vasily Rybakin
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Leuven, Belgium
| | - Paul Proost
- Laboratory of Molecular Immunology, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Leuven, Belgium
| | - Ahmed M Abu El-Asrar
- Department of Ophthalmology and Dr. Nasser Al-Rashid Research Chair in Ophthalmology, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Ghislain Opdenakker
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Leuven, Belgium
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24
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A fusion antitumor peptide regulates proliferation and apoptosis of endothelial cells. Amino Acids 2018; 50:1121-1129. [PMID: 29796930 DOI: 10.1007/s00726-018-2589-4] [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: 12/03/2017] [Accepted: 05/12/2018] [Indexed: 10/16/2022]
Abstract
The present research has been carried out to elicit the mechanism of antiangiogenic activity of a fusion peptide P2. Peptide P2 was designed by the connection of a heptapeptide MMP inhibitor to ES-2, a fragment of Endostatin. In a previous study, P2 demonstrated strong antiangiogenic and antitumor effect, and the current work explains the antiangiogenic mechanism of P2 through endothelial cell proliferation and apoptosis. In our study, it was shown that P2 inhibited HUVECs proliferation at a low serum concentration and this effect might be achieved through arresting cell cycle by decreasing the expression level of Cyclin D1. In addition, P2 was found to induce apoptosis of HUVECs. Using Western blot, it was indicated that P2 induced the cleavage of Caspase-3, the hallmark protease of apoptosis. The activation and expression of the upstream regulator Caspase-9 can also be affected by P2 treatment. Furthermore, P2 reduced the protein level of antiangiogenic factors Bcl-xL and Bcl-2. These results revealed that P2 regulates endothelial cell apoptosis through intrinsic apoptotic pathway.
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25
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Aguayo FI, Pacheco AA, García-Rojo GJ, Pizarro-Bauerle JA, Doberti AV, Tejos M, García-Pérez MA, Rojas PS, Fiedler JL. Matrix Metalloproteinase 9 Displays a Particular Time Response to Acute Stress: Variation in Its Levels and Activity Distribution in Rat Hippocampus. ACS Chem Neurosci 2018; 9:945-956. [PMID: 29361213 DOI: 10.1021/acschemneuro.7b00387] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
A single stress exposure facilitates memory formation through neuroplastic processes that reshape excitatory synapses in the hippocampus, probably requiring changes in extracellular matrix components. We tested the hypothesis that matrix metalloproteinase 9 (MMP-9), an enzyme that degrades components of extracellular matrix and synaptic proteins such as β-dystroglycan (β-DG43), changes their activity and distribution in rat hippocampus during the acute stress response. After 2.5 h of restraint stress, we found (i) increased MMP-9 levels and potential activity in whole hippocampal extracts, accompanied by β-DG43 cleavage, and (ii) a significant enhancement of MMP-9 immunoreactivity in dendritic fields such as stratum radiatum and the molecular layer of hippocampus. After 24 h of stress, we found that (i) MMP-9 net activity rises at somatic field, i.e., stratum pyramidale and granule cell layers, and also at synaptic field, mainly stratum radiatum and the molecular layer of hippocampus, and (ii) hippocampal synaptoneurosome fractions are enriched with MMP-9, without variation of its potential enzymatic activity, in accordance with the constant level of cleaved β-DG43. These findings indicate that stress triggers a peculiar timing response in the MMP-9 levels, net activity, and subcellular distribution in the hippocampus, suggesting its involvement in the processing of substrates during the stress response.
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Affiliation(s)
- Felipe I. Aguayo
- Laboratorio de Neuroplasticidad y Neurogenética, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile
| | - Aníbal A. Pacheco
- Laboratorio de Neuroplasticidad y Neurogenética, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile
| | - Gonzalo J. García-Rojo
- Laboratorio de Neuroplasticidad y Neurogenética, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile
| | - Javier A. Pizarro-Bauerle
- Laboratorio de Neuroplasticidad y Neurogenética, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile
| | - Ana V. Doberti
- Laboratorio de Neuroplasticidad y Neurogenética, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile
| | - Macarena Tejos
- Laboratorio de Neuroplasticidad y Neurogenética, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile
| | - María A. García-Pérez
- Laboratorio de Neuroplasticidad y Neurogenética, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile
| | - Paulina S. Rojas
- Escuela de Quı́mica y Farmacia, Facultad de Medicina, Universidad Andres Bello, Santiago, Chile
| | - Jenny L. Fiedler
- Laboratorio de Neuroplasticidad y Neurogenética, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile
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26
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Opdenakker G, Van Damme J, Vranckx JJ. Immunomodulation as Rescue for Chronic Atonic Skin Wounds. Trends Immunol 2018; 39:341-354. [PMID: 29500031 DOI: 10.1016/j.it.2018.01.010] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Revised: 12/08/2017] [Accepted: 01/24/2018] [Indexed: 12/11/2022]
Abstract
Chronic skin wounds, caused by arterial or venous insufficiency or by physical pressure, constitute an increasing medical problem as populations age. Whereas typical wounds are characterized by local inflammation that participates in the healing process, atonic wounds lack inflammatory markers, such as neutrophil infiltration, and generally do not heal. Recently, prominent roles in the immunopathology of chronic wounds were attributed to dysregulations in specific cytokines, chemokines, matrix metalloproteinases (MMPs), and their substrates. Together with the complement system, these molecular players provide necessary defense against infections, initiate angiogenesis, and prepare tissue reconstitution. Here, we review the current state of the field and include the concept that, aside from surgery and stem cell therapy, healing may be enhanced by immunomodulating agents.
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Affiliation(s)
- Ghislain Opdenakker
- Laboratory of Immunobiology and Laboratory of Molecular Immunology, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, Leuven, Belgium; The Glycobiology Institute, University of Oxford, Oxford, UK.
| | - Jo Van Damme
- Laboratory of Immunobiology and Laboratory of Molecular Immunology, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, Leuven, Belgium
| | - Jan Jeroen Vranckx
- Department of Development & Regeneration & Department of Plastic & Reconstructive Surgery, University Hospitals Leuven and KU Leuven, Leuven, Belgium
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27
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Kurisaka C, Oku T, Itoh S, Tsuji T. Role of sialic acid-containing glycans of matrix metalloproteinase-9 (MMP-9) in the interaction between MMP-9 and staphylococcal superantigen-like protein 5. Microbiol Immunol 2018; 62:168-175. [PMID: 29328525 DOI: 10.1111/1348-0421.12573] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2017] [Revised: 12/16/2017] [Accepted: 01/08/2018] [Indexed: 12/17/2022]
Abstract
Staphylococcal superantigen-like proteins (SSL) show no superantigenic activity but have recently been considered to act as immune suppressors. It was previously reported that SSL5 bound to P-selectin glycoprotein ligand-1 (PSGL-1) and matrix metalloproteinase (MMP)-9, leading to inhibition of leukocyte adhesion and invasion. These interactions were suggested to depend on sialic acid-containing glycans of MMP-9, but the roles of sialic acids in the interaction between SSL5 and MMP-9 are still controversial. In the present study, we prepared recombinant glutathione S-transferase-tagged SSL5 (GST-SSL5) and analyzed its binding capacity to MMP-9 by pull-down assay after various modifications of its carbohydrate moieties. We observed that GST-SSL5 specifically bound to MMP-9 from a human monocytic leukemia cell line (THP-1 cells) and inhibited its enzymatic activity in a concentration-dependent manner. After MMP-9 was treated with neuraminidase, its binding activity towards GST-SSL5 was markedly decreased. Furthermore, recombinant MMP-9 produced by sialic acid-deficient Lec2 mutant cells showed much lower affinity for SSL5 than that produced by wild-type CHO-K1 cells. Treatment of MMP-9 with PNGase F to remove N-glycan resulted in no significant change in the GST-SSL5/MMP-9 interaction. In contrast, the binding of GST-SSL5 to MMP-9 secreted from THP-1 cells cultured in the presence of an inhibitor for the biosynthesis of O-glycan (benzyl-GalNAc) was weaker than the binding of GST-SSL5 to MMP-9 secreted from untreated cells. These results strongly suggest the importance of the sialic acid-containing O-glycans of MMP-9 for the interaction of MMP-9 with GST-SSL5.
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Affiliation(s)
- Chisato Kurisaka
- Department of Microbiology, Hoshi University School of Pharmacy and Pharmaceutical Sciences, 2-4-41 Ebara, Shinagawa-ku, Tokyo 142-8501, Japan
| | - Teruaki Oku
- Department of Microbiology, Hoshi University School of Pharmacy and Pharmaceutical Sciences, 2-4-41 Ebara, Shinagawa-ku, Tokyo 142-8501, Japan
| | - Saotomo Itoh
- Department of Microbiology, Hoshi University School of Pharmacy and Pharmaceutical Sciences, 2-4-41 Ebara, Shinagawa-ku, Tokyo 142-8501, Japan
| | - Tsutomu Tsuji
- Department of Microbiology, Hoshi University School of Pharmacy and Pharmaceutical Sciences, 2-4-41 Ebara, Shinagawa-ku, Tokyo 142-8501, Japan
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28
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Alford VM, Kamath A, Ren X, Kumar K, Gan Q, Awwa M, Tong M, Seeliger MA, Cao J, Ojima I, Sampson NS. Targeting the Hemopexin-like Domain of Latent Matrix Metalloproteinase-9 (proMMP-9) with a Small Molecule Inhibitor Prevents the Formation of Focal Adhesion Junctions. ACS Chem Biol 2017; 12:2788-2803. [PMID: 28945333 PMCID: PMC5697452 DOI: 10.1021/acschembio.7b00758] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
![]()
A lack
of target specificity has greatly hindered the success of
inhibitor development against matrix metalloproteinases (MMPs) for
the treatment of various cancers. The MMP catalytic domains are highly
conserved, whereas the hemopexin-like domains of MMPs are unique to
each family member. The hemopexin-like domain of MMP-9 enhances cancer
cell migration through self-interaction and heterointeractions with
cell surface proteins including CD44 and α4β1 integrin.
These interactions activate EGFR-MAP kinase dependent signaling that
leads to cell migration. In this work, we generated a library of compounds,
based on hit molecule N-[4-(difluoromethoxy)phenyl]-2-[(4-oxo-6-propyl-1H-pyrimidin-2-yl)sulfanyl]-acetamide, that target the hemopexin-like
domain of MMP-9. We identify N-(4-fluorophenyl)-4-(4-oxo-3,4,5,6,7,8-hexahydroquinazolin-2-ylthio)butanamide, 3c, as a potent lead (Kd = 320
nM) that is specific for binding to the proMMP-9 hemopexin-like domain.
We demonstrate that 3c disruption of MMP-9 homodimerization
prevents association of proMMP-9 with both α4β1 integrin
and CD44 and results in the dissociation of EGFR. This disruption
results in decreased phosphorylation of Src and its downstream target
proteins focal adhesion kinase (FAK) and paxillin (PAX), which are
implicated in promoting tumor cell growth, migration, and invasion.
Using a chicken chorioallantoic membrane in vivo assay,
we demonstrate that 500 nM 3c blocks cancer cell invasion
of the basement membrane and reduces angiogenesis. In conclusion,
we present a mechanism of action for 3c whereby targeting
the hemopexin domain results in decreased cancer cell migration through
simultaneous disruption of α4β1 integrin and EGFR signaling
pathways, thereby preventing signaling bypass. Targeting through the
hemopexin-like domain is a powerful approach to antimetastatic drug
development.
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Affiliation(s)
- Vincent M. Alford
- Department of Molecular and Cellular Pharmacology, Stony Brook University, Stony Brook, New York, United States
- Department of Medicine, Stony Brook University, Stony Brook, New York, United States
| | - Anushree Kamath
- Department of Chemistry, Stony Brook University, Stony Brook, New York, United States
| | - Xiaodong Ren
- Department of Chemistry, Stony Brook University, Stony Brook, New York, United States
| | - Kunal Kumar
- Department of Chemistry, Stony Brook University, Stony Brook, New York, United States
| | - Qianwen Gan
- Department of Chemistry, Stony Brook University, Stony Brook, New York, United States
| | - Monaf Awwa
- Department of Chemistry, Stony Brook University, Stony Brook, New York, United States
| | - Michael Tong
- Department of Molecular and Cellular Pharmacology, Stony Brook University, Stony Brook, New York, United States
| | - Markus A. Seeliger
- Department of Molecular and Cellular Pharmacology, Stony Brook University, Stony Brook, New York, United States
- Institute of Chemical Biology and Drug Discovery, Stony Brook, New York, United States
| | - Jian Cao
- Department of Medicine, Stony Brook University, Stony Brook, New York, United States
| | - Iwao Ojima
- Department of Chemistry, Stony Brook University, Stony Brook, New York, United States
- Institute of Chemical Biology and Drug Discovery, Stony Brook, New York, United States
| | - Nicole S. Sampson
- Department of Chemistry, Stony Brook University, Stony Brook, New York, United States
- Institute of Chemical Biology and Drug Discovery, Stony Brook, New York, United States
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29
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Vandooren J, Swinnen W, Ugarte-Berzal E, Boon L, Dorst D, Martens E, Opdenakker G. Endotoxemia shifts neutrophils with TIMP-free gelatinase B/MMP-9 from bone marrow to the periphery and induces systematic upregulation of TIMP-1. Haematologica 2017; 102:1671-1682. [PMID: 28775117 PMCID: PMC5622851 DOI: 10.3324/haematol.2017.168799] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Accepted: 07/27/2017] [Indexed: 01/02/2023] Open
Abstract
Lipopolysaccharides or endotoxins elicit an excessive host inflammatory response and lead to life-threatening conditions such as endotoxemia and septic shock. Lipopolysaccharides trigger mobilization and stimulation of leukocytes and exaggerated production of pro-inflammatory molecules including cytokines and proteolytic enzymes. Matrix metalloproteinase-9 (MMP-9) or gelatinase B, a protease stored in the tertiary granules of polymorphonuclear leukocytes, has been implicated in such inflammatory reactions. Moreover, several studies even pinpointed MMP-9 as a potential target molecule to counter excessive inflammation in endotoxemia. Whereas the early effect of lipopolysaccharide-induced inflammation in vivo on the expression of MMP-9 in various peripheral organs has been described, the effects on the bone marrow and during late stage endotoxemia remain elusive. We demonstrate that TIMP-free MMP-9 is a major factor in bone marrow physiology and pathology. By using a mouse model for late-stage endotoxemia, we show that lipopolysaccharides elicited a depletion of neutrophil MMP-9 in the bone marrow and a shift of MMP-9 and MMP-9-containing cells towards peripheral organs, a pattern which was primarily associated with a relocation of CD11bhighGr-1high cells. In contrast, analysis of the tissue inhibitors of metalloproteinases was in line with a natural, systematic upregulation of TIMP-1, the main tissue inhibitor of TIMP-free MMP-9, and a general shift toward control of matrix metalloproteinase activity by tissue inhibitors of metalloproteinases.
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Affiliation(s)
- Jennifer Vandooren
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Belgium
| | - Wannes Swinnen
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Belgium
| | - Estefania Ugarte-Berzal
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Belgium
| | - Lise Boon
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Belgium
| | - Daphne Dorst
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Belgium
| | - Erik Martens
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Belgium
| | - Ghislain Opdenakker
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Belgium.
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30
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Glycosylation of matrix metalloproteases and tissue inhibitors: present state, challenges and opportunities. Biochem J 2017; 473:1471-82. [PMID: 27234584 PMCID: PMC4888457 DOI: 10.1042/bj20151154] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Accepted: 02/15/2016] [Indexed: 12/15/2022]
Abstract
Current knowledge about the glycosylation of matrix metalloproteinases (MMPs) and the inhibitors of metalloproteinases (TIMPs) is reviewed. Whereas structural and functional aspects of the glycobiology of many MMPs is unknown, research on MMP-9 and MMP-14 glycosylation reveals important functional implications, such as altered inhibitor binding and cellular localization. This, together with the fact that MMPs contain conserved and many potential attachment sites for N-linked and O-linked oligosaccharides, proves the need for further studies on MMP glycobiology. Matrix metalloproteases (MMPs) are crucial components of a complex and dynamic network of proteases. With a wide range of potential substrates, their production and activity are tightly controlled by a combination of signalling events, zymogen activation, post-translational modifications and extracellular inhibition. Slight imbalances may result in the initiation or progression of specific disease states, such as cancer and pathological inflammation. As glycosylation modifies the structures and functions of glycoproteins and many MMPs contain N- or O-linked oligosaccharides, we examine, compare and evaluate the evidence for whether glycosylation affects MMP catalytic activity and other functions. It is interesting that the catalytic sites of MMPs do not contain O-linked glycans, but instead possess a conserved N-linked glycosylation site. Both N- and O-linked oligosaccharides, attached to specific protein domains, endow these domains with novel functions such as the binding to lectins, cell-surface receptors and tissue inhibitors of metalloproteases (TIMPs). Validated glycobiological data on N- and O-linked oligosaccharides of gelatinase B/MMP-9 and on O-linked structures of membrane-type 1 MMP/MMP-14 indicate that in-depth research of other MMPs may yield important insights, e.g. about subcellular localizations and functions within macromolecular complexes.
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31
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Vandooren J, Knoops S, Aldinucci Buzzo JL, Boon L, Martens E, Opdenakker G, Kolaczkowska E. Differential inhibition of activity, activation and gene expression of MMP-9 in THP-1 cells by azithromycin and minocycline versus bortezomib: A comparative study. PLoS One 2017; 12:e0174853. [PMID: 28369077 PMCID: PMC5378356 DOI: 10.1371/journal.pone.0174853] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Accepted: 03/16/2017] [Indexed: 01/22/2023] Open
Abstract
Gelatinase B or matrix metalloproteinase-9 (MMP-9) (EC 3.4.24.35) is increased in inflammatory processes and cancer, and is associated with disease progression. In part, this is due to MMP-9-mediated degradation of extracellular matrix, facilitating influx of leukocytes into inflamed tissues and invasion or metastasis of cancer cells. MMP-9 is produced as proMMP-9 and its propeptide is subsequently removed by other proteases to generate proteolytically active MMP-9. The significance of MMP-9 in pathologies triggered the development of specific inhibitors of this protease. However, clinical trials with synthetic inhibitors of MMPs in the fight against cancer were disappointing. Reports on active compounds which inhibit MMP-9 should be carefully examined in this regard. In a considerable set of recent publications, two antibiotics (minocycline and azythromycin) and the proteasome inhibitor bortezomib, used in cancers, were reported to inhibit MMP-9 at different stages of its expression, activation or activity. The current study was undertaken to compare and to verify the impact of these compounds on MMP-9. With exception of minocycline at high concentrations (>100 μM), the compounds did not affect processing of proMMP-9 into MMP-9, nor did they affect direct MMP-9 gelatinolytic activity. In contrast, azithromycin specifically reduced MMP-9 mRNA and protein levels without affecting NF-κB in endotoxin-challenged monocytic THP-1 cells. Bortezomib, although being highly toxic, had no MMP-9-specific effects but significantly upregulated cyclooxygenase-2 (COX-2) activity and PGE2 levels. Overall, our study clarified that azithromycin decreased the levels of MMP-9 by reduction of gene and protein expression while minocycline inhibits proteolytic activity at high concentrations.
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Affiliation(s)
- Jennifer Vandooren
- Laboratory of Immunobiology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Leuven, Belgium
| | - Sofie Knoops
- Laboratory of Immunobiology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Leuven, Belgium
| | - João L. Aldinucci Buzzo
- Laboratory of Immunobiology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Leuven, Belgium
| | - Lise Boon
- Laboratory of Immunobiology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Leuven, Belgium
| | - Erik Martens
- Laboratory of Immunobiology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Leuven, Belgium
| | - Ghislain Opdenakker
- Laboratory of Immunobiology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Leuven, Belgium
| | - Elzbieta Kolaczkowska
- Laboratory of Immunobiology, Rega Institute for Medical Research, University of Leuven, KU Leuven, Leuven, Belgium
- Department of Evolutionary Immunology, Jagiellonian University, Krakow, Poland
- * E-mail:
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IGF-IR cooperates with ERα to inhibit breast cancer cell aggressiveness by regulating the expression and localisation of ECM molecules. Sci Rep 2017; 7:40138. [PMID: 28079144 PMCID: PMC5228153 DOI: 10.1038/srep40138] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Accepted: 10/05/2016] [Indexed: 12/12/2022] Open
Abstract
IGF-IR is highly associated with the behaviour of breast cancer cells. In ERα-positive breast cancer, IGF-IR is present at high levels. In clinical practice, prolonged treatment with anti-estrogen agents results in resistance to the therapy with activation of alternative signaling pathways. Receptor Tyrosine Kinases, and especially IGF-IR, have crucial roles in these processes. Here, we report a nodal role of IGF-IR in the regulation of ERα-positive breast cancer cell aggressiveness and the regulation of expression levels of several extracellular matrix molecules. In particular, activation of IGF-IR, but not EGFR, in MCF-7 breast cancer cells results in the reduction of specific matrix metalloproteinases and their inhibitors. In contrast, IGF-IR inhibition leads to the depletion by endocytosis of syndecan-4. Global important changes in cell adhesion receptors, which include integrins and syndecan-4 triggered by IGF-IR inhibition, regulate adhesion and invasion. Cell function assays that were performed in MCF-7 cells as well as their ERα-suppressed counterparts indicate that ER status is a major determinant of IGF-IR regulatory role on cell adhesion and invasion. The strong inhibitory role of IGF-IR on breast cancer cells aggressiveness for which E2-ERα signaling pathway seems to be essential, highlights IGF-IR as a major molecular target for novel therapeutic strategies.
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Gouwy M, Ruytinx P, Radice E, Claudi F, Van Raemdonck K, Bonecchi R, Locati M, Struyf S. CXCL4 and CXCL4L1 Differentially Affect Monocyte Survival and Dendritic Cell Differentiation and Phagocytosis. PLoS One 2016; 11:e0166006. [PMID: 27828999 PMCID: PMC5102431 DOI: 10.1371/journal.pone.0166006] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Accepted: 10/21/2016] [Indexed: 02/07/2023] Open
Abstract
Upon inflammation, circulating monocytes leave the bloodstream and migrate into the tissues, where they differentiate after exposure to various growth factors, cytokines or infectious agents. The best defined macrophage polarization types are M1 and M2. However, the platelet-derived CXC chemokine CXCL4 induces the polarization of macrophages into a unique phenotype. In this study, we compared the effect of CXCL4 and its variant CXCL4L1 on the differentiation of monocytes into macrophages and into immature monocyte-derived dendritic cells (iMDDC). Differently to M-CSF and CXCL4, CXCL4L1 is not a survival factor for monocytes. Moreover, the expression of the chemokine receptors CCR2, CCR5 and CXCR3 was significantly higher on CXCL4L1-treated monocytes compared to M-CSF- and CXCL4-stimulated monocytes. IL-1 receptor antagonist (IL-1RN) expression was upregulated by CXCL4 and downregulated by CXCL4L1, respectively, whereas both chemokines reduced the expression of the mannose receptor (MRC). Furthermore, through activation of CXCR3, CXCL4L1-stimulated monocytes released significantly higher amounts of CCL2 and CXCL8 compared to CXCL4-treated monocytes, indicating more pronounced inflammatory traits for CXCL4L1. In contrast, in CXCL4L1-treated monocytes, the production of CCL22 was lower. Compared to iMDDC generated in the presence of CXCL4L1, CXCL4-treated iMDDC showed an enhanced phagocytic capacity and downregulation of expression of certain surface markers (e.g. CD1a) and specific enzymes (e.g. MMP-9 and MMP-12). CXCL4 and CXCL4L1 did not affect the chemokine receptor expression on iMDDC and cytokine production (CCL2, CCL18, CCL22, CXCL8, IL-10) by CXCL4- or CXCL4L1-differentiated iMDDC was similar. We can conclude that both CXCL4 and CXCL4L1 exert a direct effect on monocytes and iMDDC. However, the resulting phenotypes are different, which suggests a unique role for the two CXCL4 variants in physiology and/or pathology.
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Affiliation(s)
- Mieke Gouwy
- KU Leuven, University of Leuven, Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Molecular Immunology, Leuven, Belgium
| | - Pieter Ruytinx
- KU Leuven, University of Leuven, Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Molecular Immunology, Leuven, Belgium
| | - Egle Radice
- KU Leuven, University of Leuven, Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Molecular Immunology, Leuven, Belgium
| | - Federico Claudi
- KU Leuven, University of Leuven, Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Molecular Immunology, Leuven, Belgium
| | - Katrien Van Raemdonck
- KU Leuven, University of Leuven, Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Molecular Immunology, Leuven, Belgium
| | | | | | - Sofie Struyf
- KU Leuven, University of Leuven, Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Molecular Immunology, Leuven, Belgium
- * E-mail:
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Kwon JW, Choi JA, Jee D. Matrix Metalloproteinase-1 and Matrix Metalloproteinase-9 in the Aqueous Humor of Diabetic Macular Edema Patients. PLoS One 2016; 11:e0159720. [PMID: 27467659 PMCID: PMC4965102 DOI: 10.1371/journal.pone.0159720] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Accepted: 07/07/2016] [Indexed: 01/26/2023] Open
Abstract
Purpose To assess the concentrations of matrix metalloproteinase (MMP)-1 and MMP-9 in the aqueous humor of diabetic macular edema (DME) patients. Method The concentrations of MMP-1 and MMP-9 in the aqueous humors of 15 cataract patients and 25 DME patients were compared. DME patients were analyzed according to the diabetic retinopathy (DR) stage, diabetes mellitus (DM) duration, pan-retinal photocoagulation (PRP) treatment, recurrence within 3 months, HbA1C (glycated hemoglobin) level, and axial length. Results The concentrations of MMP-1 and MMP-9 of the DME groups were higher than those of the control group (p = 0.005 and p = 0.002, respectively). There was a significant difference in MMP-1 concentration between the mild non-proliferative diabetic retinopathy (NPDR) group and the proliferative diabetic retinopathy (PDR) group (p = 0.012). MMP-1 concentrations were elevated in PRP-treated patients (p = 0.005). There was a significant difference in MMP-9 concentrations between the mild NPDR group and the PDR group (p < 0.001), and between the moderate and severe NPDR group and the PDR group (p < 0.001). The MMP-9 concentrations in PRP treated patients, DM patients with diabetes ≥ 10 years and recurrent DME within 3months were elevated (p = 0.023, p = 0.011, and p = 0.027, respectively). In correlation analyses, the MMP-1 level showed a significant correlation with age (r = -0.48, p = 0.01,), and the MMP-9 level showed significant correlations with axial length (r = -0.59, p < 0.01) and DM duration (r = 049, p = 0.01). Conclusions Concentrations of MMP-1 and MMP-9 were higher in the DME groups than in the control group. MMP-9 concentrations also differed depending on DR staging, DM duration, PRP treatment, and degree of axial myopia. MMP-9 may be more important than MMP-1 in the induction of DM complications in eyes.
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Affiliation(s)
- Jin-woo Kwon
- Department of Ophthalmology and Visual Science, St. Vincent’s Hospital, College of Medicine, Catholic University of Korea, Suwon, Korea
| | - Jin A. Choi
- Department of Ophthalmology and Visual Science, St. Vincent’s Hospital, College of Medicine, Catholic University of Korea, Suwon, Korea
| | - Donghyun Jee
- Department of Ophthalmology and Visual Science, St. Vincent’s Hospital, College of Medicine, Catholic University of Korea, Suwon, Korea
- * E-mail:
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Elevated Expression of Matrix Metalloproteinase-9 not Matrix Metalloproteinase-2 Contributes to Progression of Extracranial Arteriovenous Malformation. Sci Rep 2016; 6:24378. [PMID: 27075045 PMCID: PMC4830979 DOI: 10.1038/srep24378] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Accepted: 03/22/2016] [Indexed: 02/02/2023] Open
Abstract
Extracranial arteriovenous malformations (AVMs) are rare but dangerous congenital lesions arising from direct arterial-venous shunts without intervening capillaries. Progressive infiltration, expansion, and soft tissue destruction lead to bleeding, pain, debilitation and disfigurement. The pathophysiology of AVMs is not well understood. Matrix Metalloproteinases (MMPs) are thought to play an important role in pathologic processes underlying many diseases. This study investigates the expression of MMP-9 and MMP-2 in aggressive extracranial AVMs. The differential expression of MMP-9 and its regulatory factors is also examined. Herein we demonstrate that mRNA and protein expressions of MMP-9, but not MMP-2, are significantly higher in AVM tissues compared to normal tissues. The serum level of MMP-9, but not MMP-2, is also elevated in AVM patients compared to healthy controls. MMP-9/neutrophil gelatinase-associated lipocalin (NGAL) complex is also significantly increased in AVM tissues. The MMP-9/ tissue inhibitor of metalloproteases-1 (TIMP-1) complex presents as a major form detected in normal tissues. The increased and aberrant expression of MMP-9 and specific MMP-9 forms may help explain the constitutive vascular remodeling and infiltrative nature of these lesions. Specific MMP-9 inhibitors would be a promising treatment for AVMs.
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Ugarte-Berzal E, Vandooren J, Bailón E, Opdenakker G, García-Pardo A. Inhibition of MMP-9-dependent Degradation of Gelatin, but Not Other MMP-9 Substrates, by the MMP-9 Hemopexin Domain Blades 1 and 4. J Biol Chem 2016; 291:11751-60. [PMID: 27044750 DOI: 10.1074/jbc.m115.708438] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Indexed: 11/06/2022] Open
Abstract
Degradation and remodeling of the extracellular matrix by matrix metalloproteinases (MMPs) plays important roles in normal development, inflammation, and cancer. MMP-9 efficiently degrades the extracellular matrix component gelatin, and the hemopexin domain of MMP-9 (PEX9) inhibits this degradation. To study the molecular basis of this inhibition, we generated GST fusion proteins containing PEX9 or truncated forms corresponding to specific structural blades (B1-B4) of PEX9. GST-PEX9 inhibited MMP-9-driven gelatin proteolysis, measured by gelatin zymography, FITC-gelatin conversion, and DQ-gelatin degradation assays. However, GST-PEX9 did not prevent the degradation of other MMP-9 substrates, such as a fluorogenic peptide, αB crystalline, or nonmuscular actin. Therefore, PEX9 may inhibit gelatin degradation by shielding gelatin and specifically preventing its binding to MMP-9. Accordingly, GST-PEX9 also abolished the degradation of gelatin by MMP-2, confirming that PEX9 is not an MMP-9 antagonist. Moreover, GST-B4 and, to a lesser extent, GST-B1 also inhibited gelatin degradation by MMP-9, indicating that these regions are responsible for the inhibitory activity of PEX9. Accordingly, ELISAs demonstrated that GST-B4 and GST-B1 specifically bound to gelatin. Our results establish new functions of PEX9 attributed to blades B4 and B1 and should help in designing specific inhibitors of gelatin degradation.
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Affiliation(s)
- Estefanía Ugarte-Berzal
- From the Cellular and Molecular Medicine Department, Centro de Investigaciones Biológicas, Consejo Superior de Investigaciones Científicas, 28040 Madrid, Spain and the Department of Microbiology and Immunology, KULeuven-University of Leuven, Rega Institute for Medical Research, B-3000 Leuven, Belgium
| | - Jennifer Vandooren
- the Department of Microbiology and Immunology, KULeuven-University of Leuven, Rega Institute for Medical Research, B-3000 Leuven, Belgium
| | - Elvira Bailón
- From the Cellular and Molecular Medicine Department, Centro de Investigaciones Biológicas, Consejo Superior de Investigaciones Científicas, 28040 Madrid, Spain and
| | - Ghislain Opdenakker
- the Department of Microbiology and Immunology, KULeuven-University of Leuven, Rega Institute for Medical Research, B-3000 Leuven, Belgium
| | - Angeles García-Pardo
- From the Cellular and Molecular Medicine Department, Centro de Investigaciones Biológicas, Consejo Superior de Investigaciones Científicas, 28040 Madrid, Spain and
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Gaffney J, Solomonov I, Zehorai E, Sagi I. Multilevel regulation of matrix metalloproteinases in tissue homeostasis indicates their molecular specificity in vivo. Matrix Biol 2015; 44-46:191-9. [PMID: 25622911 DOI: 10.1016/j.matbio.2015.01.012] [Citation(s) in RCA: 73] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2014] [Revised: 01/18/2015] [Accepted: 01/18/2015] [Indexed: 11/16/2022]
Abstract
The matrix metalloproteinases (MMPs) play a crucial role in irreversible remodeling of the extracellular matrix (ECM) in normal homeostasis and pathological states. Accumulating data from various studies strongly suggest that MMPs are tightly regulated, starting from the level of gene expression all the way to zymogen activation and endogenous inhibition, with each level controlled by multiple factors. Recent in vivo findings indicate that cell-ECM and cell-cell interactions, as well as ECM bio-active products, contribute an additional layer of regulation at all levels, indicating that individual MMP expression and activity in vivo are highly coordinated and tissue specific processes.
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Affiliation(s)
- Jean Gaffney
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel; Department of Natural Sciences, Baruch College, New York, NY, USA
| | - Inna Solomonov
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Eldar Zehorai
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Irit Sagi
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel.
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