1
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Sabeh F, Li XY, Olson AW, Botvinick E, Kurup A, Gimenez LE, Cho JS, Weiss SJ. Mmp14-dependent remodeling of the pericellular-dermal collagen interface governs fibroblast survival. J Cell Biol 2024; 223:e202312091. [PMID: 38990714 PMCID: PMC11244150 DOI: 10.1083/jcb.202312091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 05/10/2024] [Accepted: 05/30/2024] [Indexed: 07/13/2024] Open
Abstract
Dermal fibroblasts deposit type I collagen, the dominant extracellular matrix molecule found in skin, during early postnatal development. Coincident with this biosynthetic program, fibroblasts proteolytically remodel pericellular collagen fibrils by mobilizing the membrane-anchored matrix metalloproteinase, Mmp14. Unexpectedly, dermal fibroblasts in Mmp14-/- mice commit to a large-scale apoptotic program that leaves skin tissues replete with dying cells. A requirement for Mmp14 in dermal fibroblast survival is recapitulated in vitro when cells are embedded within, but not cultured atop, three-dimensional hydrogels of crosslinked type I collagen. In the absence of Mmp14-dependent pericellular proteolysis, dermal fibroblasts fail to trigger β1 integrin activation and instead actuate a TGF-β1/phospho-JNK stress response that leads to apoptotic cell death in vitro as well as in vivo. Taken together, these studies identify Mmp14 as a requisite cell survival factor that maintains dermal fibroblast viability in postnatal dermal tissues.
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Affiliation(s)
- Farideh Sabeh
- Division of Genetic Medicine, Department of Internal Medicine, Life Sciences Institute, University of Michigan, Ann Arbor, MI, USA
| | - Xiao-Yan Li
- Division of Genetic Medicine, Department of Internal Medicine, Life Sciences Institute, University of Michigan, Ann Arbor, MI, USA
| | - Adam W. Olson
- Division of Genetic Medicine, Department of Internal Medicine, Life Sciences Institute, University of Michigan, Ann Arbor, MI, USA
| | - Elliot Botvinick
- The Henry Samueli School of Engineering, University of California, Irvine, CA, USA
| | - Abhishek Kurup
- The Henry Samueli School of Engineering, University of California, Irvine, CA, USA
| | - Luis E. Gimenez
- Life Sciences Institute, University of Michigan, Ann Arbor, MI, USA
| | - Jung-Sun Cho
- Division of Genetic Medicine, Department of Internal Medicine, Life Sciences Institute, University of Michigan, Ann Arbor, MI, USA
| | - Stephen J. Weiss
- Division of Genetic Medicine, Department of Internal Medicine, Life Sciences Institute, University of Michigan, Ann Arbor, MI, USA
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2
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Yin W, Chen Y, Wang W, Guo M, Tong L, Zhang M, Wang Z, Yuan H. Macrophage-mediated heart repair and remodeling: A promising therapeutic target for post-myocardial infarction heart failure. J Cell Physiol 2024:e31372. [PMID: 39014935 DOI: 10.1002/jcp.31372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 06/06/2024] [Accepted: 06/25/2024] [Indexed: 07/18/2024]
Abstract
Heart failure (HF) remains prevalent in patients who survived myocardial infarction (MI). Despite the accessibility of the primary percutaneous coronary intervention and medications that alleviate ventricular remodeling with functional improvement, there is an urgent need for clinicians and basic scientists to further reveal the mechanisms behind post-MI HF as well as investigate earlier and more efficient treatment after MI. Growing numbers of studies have highlighted the crucial role of macrophages in cardiac repair and remodeling following MI, and timely intervention targeting the immune response via macrophages may represent a promising therapeutic avenue. Recently, technology such as single-cell sequencing has provided us with an updated and in-depth understanding of the role of macrophages in MI. Meanwhile, the development of biomaterials has made it possible for macrophage-targeted therapy. Thus, an overall and thorough understanding of the role of macrophages in post-MI HF and the current development status of macrophage-based therapy will assist in the further study and development of macrophage-targeted treatment for post-infarction cardiac remodeling. This review synthesizes the spatiotemporal dynamics, function, mechanism and signaling of macrophages in the process of HF after MI, as well as discusses the emerging bio-materials and possible therapeutic agents targeting macrophages for post-MI HF.
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Affiliation(s)
- Wenchao Yin
- Department of Cardiology, Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China
| | - Yong Chen
- Department of Emergency, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Wenjun Wang
- Department of Intensive Care Unit, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Mengqi Guo
- Department of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Lingjun Tong
- Medical Science and Technology Innovation Center, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, China
| | - Mingxiang Zhang
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Department of Cardiology, Chinese Ministry of Education and Chinese Ministry of Public Health, Qilu Hospital, Shandong University, Jinan, Shandong, China
| | - Zhaoyang Wang
- Department of Cardiology, Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China
- Department of Cardiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Haitao Yuan
- Department of Cardiology, Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China
- Department of Cardiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
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3
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Zhang C, Zhou X, Wang D, Hao L, Zeng Z, Su L. Hydrogel-Loaded Exosomes: A Promising Therapeutic Strategy for Musculoskeletal Disorders. J Clin Pharm Ther 2023; 2023:1-36. [DOI: 10.1155/2023/1105664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/26/2024]
Abstract
Clinical treatment strategies for musculoskeletal disorders have been a hot research topic. Accumulating evidence suggests that hydrogels loaded with MSC-derived EVs show great potential in improving musculoskeletal injuries. The ideal hydrogels should be capable of promoting the development of new tissues and simulating the characteristics of target tissues, with the properties matching the cell-matrix constituents of autologous tissues. Although there have been numerous reports of hydrogels loaded with MSC-derived EVs for the repair of musculoskeletal injuries, such as intervertebral disc injury, tendinopathy, bone fractures, and cartilage injuries, there are still many hurdles to overcome before the clinical application of modified hydrogels. In this review, we focus on the advantages of the isolation technique of EVs in combination with different types of hydrogels. In this context, the efficacy of hydrogels loaded with MSC-derived EVs in different musculoskeletal injuries is discussed in detail to provide a reference for the future application of hydrogels loaded with MSC-derived EVs in the clinical treatment of musculoskeletal injuries.
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Affiliation(s)
- Chunyu Zhang
- School of Sport Medicine and Rehabilitation, Beijing Sport University, Beijing 100084, China
| | - Xuchang Zhou
- School of Sport Medicine and Rehabilitation, Beijing Sport University, Beijing 100084, China
| | - Dongxue Wang
- School of Sport Medicine and Rehabilitation, Beijing Sport University, Beijing 100084, China
| | - Li Hao
- Shougang Technician College, Nursing School, Beijing 100043, China
- Department of Rehabilitation, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou 510000, China
| | - Zhipeng Zeng
- School of Sport Medicine and Rehabilitation, Beijing Sport University, Beijing 100084, China
- Shougang Technician College, Nursing School, Beijing 100043, China
- Department of Rehabilitation, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou 510000, China
| | - Lei Su
- Department of Rehabilitation, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou 510000, China
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4
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Quijada P, Park S, Zhao P, Kolluri KS, Wong D, Shih KD, Fang K, Pezhouman A, Wang L, Daraei A, Tran MD, Rathbun EM, Burgos Villar KN, Garcia-Hernandez ML, Pham TT, Lowenstein CJ, Iruela-Arispe ML, Carmichael ST, Small EM, Ardehali R. Cardiac pericytes mediate the remodeling response to myocardial infarction. J Clin Invest 2023; 133:e162188. [PMID: 37183820 PMCID: PMC10178847 DOI: 10.1172/jci162188] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 03/28/2023] [Indexed: 05/16/2023] Open
Abstract
Despite the prevalence of pericytes in the microvasculature of the heart, their role during ischemia-induced remodeling remains unclear. We used multiple lineage-tracing mouse models and found that pericytes migrated to the injury site and expressed profibrotic genes, coinciding with increased vessel leakage after myocardial infarction (MI). Single-cell RNA-Seq of cardiac pericytes at various time points after MI revealed the temporally regulated induction of genes related to vascular permeability, extracellular matrix production, basement membrane degradation, and TGF-β signaling. Deleting TGF-β receptor 1 in chondroitin sulfate proteoglycan 4-expressing (Cspg4-expressing) cells reduced fibrosis following MI, leading to a transient improvement in the cardiac ejection fraction. Furthermore, genetic ablation of Cspg4-expressing cells resulted in excessive vascular permeability, a decline in cardiac function, and increased mortality in the second week after MI. These data reveal an essential role for cardiac pericytes in the control of vascular homeostasis and the fibrotic response after acute ischemic injury, information that will help guide the development of novel strategies to preserve vascular integrity and attenuate pathological cardiac remodeling.
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Affiliation(s)
- Pearl Quijada
- Department of Integrative Biology and Physiology
- Eli and Edythe Broad Stem Research Center
- Molecular Biology Institute
- Molecular, Cellular, and Integrative Physiology Graduate Program, and
| | - Shuin Park
- Molecular, Cellular, and Integrative Physiology Graduate Program, and
- Cardiology, Internal Medicine, David Geffen School of Medicine, UCLA, Los Angeles, California, USA
| | - Peng Zhao
- Eli and Edythe Broad Stem Research Center
- Cardiology, Internal Medicine, David Geffen School of Medicine, UCLA, Los Angeles, California, USA
| | - Kamal S.S. Kolluri
- Cardiology, Internal Medicine, David Geffen School of Medicine, UCLA, Los Angeles, California, USA
| | - David Wong
- Department of Integrative Biology and Physiology
- Molecular, Cellular, and Integrative Physiology Graduate Program, and
| | | | - Kai Fang
- Cardiology, Internal Medicine, David Geffen School of Medicine, UCLA, Los Angeles, California, USA
| | - Arash Pezhouman
- Section of Cardiology, Department of Internal Medicine, Baylor College of Medicine, Houston, Texas, USA
- The Texas Heart Institute, Houston, Texas, USA
| | - Lingjun Wang
- Cardiology, Internal Medicine, David Geffen School of Medicine, UCLA, Los Angeles, California, USA
- Cardiology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Ali Daraei
- Cardiology, Internal Medicine, David Geffen School of Medicine, UCLA, Los Angeles, California, USA
| | | | - Elle M. Rathbun
- Department of Neurology, David Geffen School of Medicine, UCLA, Los Angeles, California, USA
| | - Kimberly N. Burgos Villar
- Department of Pathology
- Department of Medicine, Aab Cardiovascular Research Institute, School of Medicine and Dentistry, and
| | | | - Thanh T.D. Pham
- Department of Neurology, David Geffen School of Medicine, UCLA, Los Angeles, California, USA
| | - Charles J. Lowenstein
- Division of Cardiology, Department of Medicine, Johns Hopkins University School of Medicine, Maryland, USA
| | - M. Luisa Iruela-Arispe
- Department of Cell and Developmental Biology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - S. Thomas Carmichael
- Eli and Edythe Broad Stem Research Center
- Department of Neurology, David Geffen School of Medicine, UCLA, Los Angeles, California, USA
| | - Eric M. Small
- Department of Medicine, Aab Cardiovascular Research Institute, School of Medicine and Dentistry, and
- Department of Pharmacology and Physiology and
- Department of Biomedical Engineering, University of Rochester, Rochester, New York, USA
| | - Reza Ardehali
- Section of Cardiology, Department of Internal Medicine, Baylor College of Medicine, Houston, Texas, USA
- The Texas Heart Institute, Houston, Texas, USA
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5
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Unfavorable left ventricular remodeling due to experience of chronic sleep restriction after myocardial infarction: The role of matrix metalloproteinases & oxidative stress. Cardiovasc Pathol 2023; 62:107460. [PMID: 35917906 DOI: 10.1016/j.carpath.2022.107460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 07/25/2022] [Accepted: 07/26/2022] [Indexed: 12/13/2022] Open
Abstract
Disturbed sleep or sleep loss due to vocational or lifestyle changes following MI is a common problem that may affect many physiological processes involved in left ventricle (LV) remodeling. Herein, we proposed that experience of sleep disruption and/or restriction after myocardial infarction (MI) may aggravate cardiac extracellular matrix remodeling and induce apoptosis in the cardiomyocytes. MI was induced in adult male rats by permanent ligation of the left anterior descending coronary artery. Twenty-four hours after surgery, some animals experienced chronic sleep restriction (CSR) for 6 days. Serum levels of CK-MB, PAB, and TNF-α were evaluated at days 1, 8, and 21 postsurgery. Twenty-one days after surgery, hemodynamic parameters and expression of MMP-2, MMP-9, TIMP-1, and TNF-α, as well as myocardial fibrosis and apoptosis in the noninfarcted area of the LV were assessed. Our results showed a clear decrease in serum concentrations of CK-MB, PAB and TNF-α at day 21 postsurgery in the MI group as compared to MI+SR animals in which these markers remained at high levels. CSR following MI deteriorated LV hemodynamic indexes and also impaired the balance between MMPs and TIMP-1. Further, it yielded an increase in oxidant and inflammatory state which caused deleterious fibrotic and apoptotic effects on cardiomycytes. Our data suggest post-MI sleep loss may cause adverse LV remodeling due to increased inflammatory reactions as well as oxidative burden and/or anti-oxidative insufficiency that in turn impede the balance between MMPs and their inhibitors.
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6
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Genetzakis E, Gilchrist J, Kassiou M, Figtree GA. Development and clinical translation of P2X7 receptor antagonists: A potential therapeutic target in coronary artery disease? Pharmacol Ther 2022; 237:108228. [DOI: 10.1016/j.pharmthera.2022.108228] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 05/17/2022] [Accepted: 06/06/2022] [Indexed: 12/12/2022]
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7
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Alonso-Herranz L, Sahún-Español Á, Paredes A, Gonzalo P, Gkontra P, Núñez V, Clemente C, Cedenilla M, Villalba-Orero M, Inserte J, García-Dorado D, Arroyo AG, Ricote M. Macrophages promote endothelial-to-mesenchymal transition via MT1-MMP/TGFβ1 after myocardial infarction. eLife 2020; 9:57920. [PMID: 33063665 PMCID: PMC7609061 DOI: 10.7554/elife.57920] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 10/15/2020] [Indexed: 12/31/2022] Open
Abstract
Macrophages (Mφs) produce factors that participate in cardiac repair and remodeling after myocardial infarction (MI); however, how these factors crosstalk with other cell types mediating repair is not fully understood. Here we demonstrated that cardiac Mφs increased the expression of Mmp14 (MT1-MMP) 7 days post-MI. We selectively inactivated the Mmp14 gene in Mφs using a genetic strategy (Mmp14f/f:Lyz2-Cre). This conditional KO (MAC-Mmp14 KO) resulted in attenuated post-MI cardiac dysfunction, reduced fibrosis, and preserved cardiac capillary network. Mechanistically, we showed that MT1-MMP activates latent TGFβ1 in Mφs, leading to paracrine SMAD2-mediated signaling in endothelial cells (ECs) and endothelial-to-mesenchymal transition (EndMT). Post-MI MAC-Mmp14 KO hearts contained fewer cells undergoing EndMT than their wild-type counterparts, and Mmp14-deficient Mφs showed a reduced ability to induce EndMT in co-cultures with ECs. Our results indicate the contribution of EndMT to cardiac fibrosis and adverse remodeling post-MI and identify Mφ MT1-MMP as a key regulator of this process.
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Affiliation(s)
- Laura Alonso-Herranz
- Myocardial Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Álvaro Sahún-Español
- Vascular Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Ana Paredes
- Myocardial Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Pilar Gonzalo
- Vascular Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Polyxeni Gkontra
- Vascular Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Vanessa Núñez
- Myocardial Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Cristina Clemente
- Vascular Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain.,Molecular Biomedicine Department, Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), Madrid, Spain
| | - Marta Cedenilla
- Myocardial Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - María Villalba-Orero
- Myocardial Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Javier Inserte
- Cardiovascular Diseases Research Group, Vall d'Hebron University Hospital and Research Institute (VHIR), Barcelona, Spain.,CIBER de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
| | - David García-Dorado
- Cardiovascular Diseases Research Group, Vall d'Hebron University Hospital and Research Institute (VHIR), Barcelona, Spain.,CIBER de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
| | - Alicia G Arroyo
- Vascular Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain.,Molecular Biomedicine Department, Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), Madrid, Spain
| | - Mercedes Ricote
- Myocardial Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
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8
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Ushakov A, Ivanchenko V, Gagarina A. Regulation of Myocardial Extracellular Matrix Dynamic Changes in Myocardial Infarction and Postinfarct Remodeling. Curr Cardiol Rev 2020; 16:11-24. [PMID: 31072294 PMCID: PMC7393593 DOI: 10.2174/1573403x15666190509090832] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 04/22/2019] [Accepted: 04/29/2019] [Indexed: 02/07/2023] Open
Abstract
The article represents literature review dedicated to molecular and cellular mechanisms underlying clinical manifestations and outcomes of acute myocardial infarction. Extracellular matrix adaptive changes are described in detail as one of the most important factors contributing to healing of damaged myocardium and post-infarction cardiac remodeling. Extracellular matrix is reviewed as dynamic constantly remodeling structure that plays a pivotal role in myocardial repair. The role of matrix metalloproteinases and their tissue inhibitors in fragmentation and degradation of extracellular matrix as well as in myocardium healing is discussed. This review provides current information about fibroblasts activity, the role of growth factors, particularly transforming growth factor β and cardiotrophin-1, colony-stimulating factors, adipokines and gastrointestinal hormones, various matricellular proteins. In conclusion considering the fact that dynamic transformation of extracellular matrix after myocardial ischemic damage plays a pivotal role in myocardial infarction outcomes and prognosis, we suggest a high importance of further investigation of mechanisms underlying extracellular matrix remodeling and cell-matrix interactions in cardiovascular diseases.
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Affiliation(s)
- Alexey Ushakov
- Department of Internal Medicine #1 with Clinical Pharmacology Course, Medical Academy named after S.I. Georgievsky of V.I. Vernadsky Crimean Federal University, Simferopol, Russian Federation
| | - Vera Ivanchenko
- Department of Internal Medicine #1 with Clinical Pharmacology Course, Medical Academy named after S.I. Georgievsky of V.I. Vernadsky Crimean Federal University, Simferopol, Russian Federation
| | - Alina Gagarina
- Department of Internal Medicine #1 with Clinical Pharmacology Course, Medical Academy named after S.I. Georgievsky of V.I. Vernadsky Crimean Federal University, Simferopol, Russian Federation
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9
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Abstract
Matrix metalloproteinases (MMPs) and their endogenous inhibitors have been studied in the myocardium for the past 2 decades. An incomplete knowledge base and experimental design issues with inhibitors have hampered attempts at translation, but clinical interest remains high because of strong associations between MMPs and outcomes after myocardial infarction (MI) as well as mechanistic studies showing MMP involvement at multiple stages of the MI wound-healing process. This Review focuses on how our understanding of MMPs has evolved from a one-dimensional early focus on measuring MMP activity, monitoring MMP:inhibitor ratios, and evaluating one MMP-substrate pair to the current use of systems biology approaches to integrate the whole MMP repertoire of roles in the left ventricular response to MI. MMP9 is used as an example MMP to explain these concepts and to provide a template for examining MMPs as mechanistic mediators of cardiac remodelling.
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Affiliation(s)
- Merry L Lindsey
- Mississippi Center for Heart Research, Department of Physiology and Biophysics, University of Mississippi Medical Center, Jackson, MS, USA. .,Research Service,, G.V. (Sonny) Montgomery Veterans Affairs Medical Center, Jackson, MS, USA.
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10
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Wang Y, He G, Guo Y, Tang H, Shi Y, Bian X, Zhu M, Kang X, Zhou M, Lyu J, Yang M, Mu M, Lai F, Lu K, Chen W, Zhou B, Zhang J, Tang K. Exosomes from tendon stem cells promote injury tendon healing through balancing synthesis and degradation of the tendon extracellular matrix. J Cell Mol Med 2019; 23:5475-5485. [PMID: 31148334 PMCID: PMC6653097 DOI: 10.1111/jcmm.14430] [Citation(s) in RCA: 83] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 04/26/2019] [Accepted: 05/12/2019] [Indexed: 12/20/2022] Open
Abstract
Tendon injuries are common musculoskeletal system disorders in clinical, but the regeneration ability of tendon is limited. Tendon stem cells (TSCs) have shown promising effect on tissue engineering and been used for the treatment of tendon injury. Exosomes that serve as genetic information carriers have been implicated in many diseases and physiological processes, but effect of exosomes from TSCs on tendon injury repair is unclear. The aim of this study is to make clear that the effect of exosomes from TSCs on tendon injury healing. Exosomes were harvested from conditioned culture media of TSCs by a sequential centrifugation process. Rat Achilles tendon tendinopathy model was established by collagenase‐I injection. This was followed by intra‐Achilles‐tendon injection with TSCs or exosomes. Tendon healing and matrix degradation were evaluated by histology analysis and biomechanical test at the post‐injury 5 weeks. In vitro, TSCs treated with interleukin 1 beta were added by conditioned medium including exosomes or not, or by exosomes or not. Tendon matrix related markers and tenogenesis related markers were measured by immunostaining and western blot. We found that TSCs injection and exosomes injection significantly decreased matrix metalloproteinases (MMP)‐3 expression, increased expression of tissue inhibitor of metalloproteinase‐3 (TIMP‐3) and Col‐1a1, and increased biomechanical properties of the ultimate stress and maximum loading. In vitro, conditioned medium with exosomes and exosomes also significantly decreased MMP‐3, and increased expression of tenomodulin, Col‐1a1 and TIMP‐3. Exosomes from TSCs could be an ideal therapeutic strategy in tendon injury healing for its balancing tendon extracellular matrix and promoting the tenogenesis of TSCs.
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Affiliation(s)
- Yunjiao Wang
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of Orthopeadics/Sports Medicine Center, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Gang He
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of Orthopeadics/Sports Medicine Center, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Yupeng Guo
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of Orthopeadics/Sports Medicine Center, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Hong Tang
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of Orthopeadics/Sports Medicine Center, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Youxing Shi
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of Orthopeadics/Sports Medicine Center, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Xuting Bian
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of Orthopeadics/Sports Medicine Center, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Min Zhu
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of Orthopeadics/Sports Medicine Center, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Xia Kang
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of Orthopeadics/Sports Medicine Center, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Mei Zhou
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of Orthopeadics/Sports Medicine Center, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Jingtong Lyu
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of Orthopeadics/Sports Medicine Center, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Mingyu Yang
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of Orthopeadics/Sports Medicine Center, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Miduo Mu
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of Orthopeadics/Sports Medicine Center, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Fan Lai
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of Orthopeadics/Sports Medicine Center, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Kang Lu
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of Orthopeadics/Sports Medicine Center, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Wan Chen
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of Orthopeadics/Sports Medicine Center, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Binghua Zhou
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of Orthopeadics/Sports Medicine Center, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Jiqiang Zhang
- Department of Neurology, Third Military Medical University, Chongqing, China
| | - Kanglai Tang
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of Orthopeadics/Sports Medicine Center, Southwest Hospital, Third Military Medical University, Chongqing, China
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11
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Crosstalk between Calcium and ROS in Pathophysiological Conditions. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:9324018. [PMID: 31178978 PMCID: PMC6507098 DOI: 10.1155/2019/9324018] [Citation(s) in RCA: 111] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 04/01/2019] [Indexed: 12/12/2022]
Abstract
Calcium ions are highly versatile intracellular signals that regulate many cellular processes. The key to achieving this pleiotropic role is the spatiotemporal control of calcium concentration evoked by an extensive molecular repertoire of signalling components. Among these, reactive oxygen species (ROS) signalling, together with calcium signalling, plays a crucial role in controlling several physiopathological events. Although initially considered detrimental by-products of aerobic metabolism, it is now widely accepted that ROS, in subtoxic levels, act as signalling molecules. However, dysfunctions in the mechanisms controlling the physiological ROS concentration affect cellular homeostasis, leading to the pathogenesis of various disorders.
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12
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Naveed M, Han L, Hasnat M, Baig MMFA, Wang W, Mikrani R, Zhiwei L, Sembatya KR, Xie D, Zhou X. Suppression of TGP on myocardial remodeling by regulating the NF-κB pathway. Biomed Pharmacother 2018; 108:1460-1468. [DOI: 10.1016/j.biopha.2018.09.168] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 09/28/2018] [Accepted: 09/28/2018] [Indexed: 11/16/2022] Open
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13
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Smith LC, Moreno S, Robertson L, Robinson S, Gant K, Bryant AJ, Sabo-Attwood T. Transforming growth factor beta1 targets estrogen receptor signaling in bronchial epithelial cells. Respir Res 2018; 19:160. [PMID: 30165855 PMCID: PMC6117929 DOI: 10.1186/s12931-018-0861-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 08/13/2018] [Indexed: 02/08/2023] Open
Abstract
Background Sex differences in idiopathic pulmonary fibrosis (IPF) suggest a protective role for estrogen (E2); however, mechanistic studies in animal models have produced mixed results. Reports using cell lines have investigated molecular interactions between transforming growth factor beta1 (TGF-β1) and estrogen receptor (ESR) pathways in breast, prostate, and skin cells, but no such interactions have been described in human lung cells. To address this gap in the literature, we investigated a role for E2 in modulating TGF-β1-induced signaling mechanisms and identified novel pathways impacted by estrogen in bronchial epithelial cells. Methods We investigated a role for E2 in modulating TGF-β1-induced epithelial to mesenchymal transition (EMT) in bronchial epithelial cells (BEAS-2Bs) and characterized the effect of TGF-β1 on ESR mRNA and protein expression in BEAS-2Bs. We also quantified mRNA expression of ESRs in lung tissue from individuals with IPF and identified potential downstream targets of E2 signaling in BEAS-2Bs using RNA-Seq and gene set enrichment analysis. Results E2 negligibly modulated TGF-β1-induced EMT; however, we report the novel observation that TGF-β1 repressed ESR expression, most notably estrogen receptor alpha (ESR1). Results of the RNA-Seq analysis showed that TGF-β1 and E2 inversely modulated the expression of several genes involved in processes such as extracellular matrix (ECM) turnover, airway smooth muscle cell contraction, and calcium flux regulation. We also report that E2 specifically modulated the expression of genes involved in chromatin remodeling pathways and that this regulation was absent in the presence of TGF-β1. Conclusions Collectively, these results suggest that E2 influences unexplored pathways that may be relevant to pulmonary disease and highlights potential roles for E2 in the lung that may contribute to sex-specific differences. Electronic supplementary material The online version of this article (10.1186/s12931-018-0861-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- L Cody Smith
- Department of Physiological Sciences, University of Florida, Gainesville, FL, USA.,Center for Environmental and Human Toxicology, University of Florida, Gainesville, FL, USA
| | - Santiago Moreno
- Center for Environmental and Human Toxicology, University of Florida, Gainesville, FL, USA
| | - Lauren Robertson
- Center for Environmental and Human Toxicology, University of Florida, Gainesville, FL, USA.,Department of Environmental and Global Health, Center for Environmental and Human Toxicology, University of Florida, Box 110885, 2187 Mowry Rd, Gainesville, FL, 32611, USA
| | - Sarah Robinson
- Center for Environmental and Human Toxicology, University of Florida, Gainesville, FL, USA.,Department of Environmental and Global Health, Center for Environmental and Human Toxicology, University of Florida, Box 110885, 2187 Mowry Rd, Gainesville, FL, 32611, USA
| | - Kristal Gant
- Center for Environmental and Human Toxicology, University of Florida, Gainesville, FL, USA.,Department of Environmental and Global Health, Center for Environmental and Human Toxicology, University of Florida, Box 110885, 2187 Mowry Rd, Gainesville, FL, 32611, USA
| | - Andrew J Bryant
- Department of Medicine, University of Florida, Gainesville, FL, USA
| | - Tara Sabo-Attwood
- Center for Environmental and Human Toxicology, University of Florida, Gainesville, FL, USA. .,Department of Environmental and Global Health, Center for Environmental and Human Toxicology, University of Florida, Box 110885, 2187 Mowry Rd, Gainesville, FL, 32611, USA.
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14
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A cell surface display fluorescent biosensor for measuring MMP14 activity in real-time. Sci Rep 2018; 8:5916. [PMID: 29651043 PMCID: PMC5897415 DOI: 10.1038/s41598-018-24080-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Accepted: 03/23/2018] [Indexed: 01/16/2023] Open
Abstract
Despite numerous recent advances in imaging technologies, one continuing challenge for cell biologists and microscopists is the visualization and measurement of endogenous proteins as they function within living cells. Achieving this goal will provide a tool that investigators can use to associate cellular outcomes with the behavior and activity of many well-studied target proteins. Here, we describe the development of a plasmid-based fluorescent biosensor engineered to measure the location and activity of matrix metalloprotease-14 (MMP14). The biosensor design uses fluorogen-activating protein technology coupled with a MMP14-selective protease sequence to generate a binary, “switch-on” fluorescence reporter capable of measuring MMP14 location, activity, and temporal dynamics. The MMP14-fluorogen activating protein biosensor approach is applicable to both short and long-term imaging modalities and contains an adaptable module that can be used to study many membrane-bound proteases. This MMP14 biosensor promises to serve as a tool for the advancement of a broad range of investigations targeting MMP14 activity during cell migration in health and disease.
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15
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Sugg KB, Markworth JF, Disser NP, Rizzi AM, Talarek JR, Sarver DC, Brooks SV, Mendias CL. Postnatal tendon growth and remodeling require platelet-derived growth factor receptor signaling. Am J Physiol Cell Physiol 2017; 314:C389-C403. [PMID: 29341790 DOI: 10.1152/ajpcell.00258.2017] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Platelet-derived growth factor receptor (PDGFR) signaling plays an important role in the fundamental biological activities of many cells that compose musculoskeletal tissues. However, little is known about the role of PDGFR signaling during tendon growth and remodeling in adult animals. Using the hindlimb synergist ablation model of tendon growth, our objectives were to determine the role of PDGFR signaling in the adaptation of tendons subjected to a mechanical growth stimulus, as well as to investigate the biological mechanisms behind this response. We demonstrate that both PDGFRs, PDGFRα and PDGFRβ, are expressed in tendon fibroblasts and that the inhibition of PDGFR signaling suppresses the normal growth of tendon tissue in response to mechanical growth cues due to defects in fibroblast proliferation and migration. We also identify membrane type-1 matrix metalloproteinase (MT1-MMP) as an essential proteinase for the migration of tendon fibroblasts through their extracellular matrix. Furthermore, we report that MT1-MMP translation is regulated by phosphoinositide 3-kinase/Akt signaling, while ERK1/2 controls posttranslational trafficking of MT1-MMP to the plasma membrane of tendon fibroblasts. Taken together, these findings demonstrate that PDGFR signaling is necessary for postnatal tendon growth and remodeling and that MT1-MMP is a critical mediator of tendon fibroblast migration and a potential target for the treatment of tendon injuries and diseases.
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Affiliation(s)
- Kristoffer B Sugg
- Department of Orthopaedic Surgery, University of Michigan Medical School , Ann Arbor, Michigan.,Department of Molecular and Integrative Physiology, University of Michigan Medical School , Ann Arbor, Michigan.,Department of Surgery, Section of Plastic and Reconstructive Surgery, University of Michigan Medical School, Ann Arbor, Michigan
| | - James F Markworth
- Department of Orthopaedic Surgery, University of Michigan Medical School , Ann Arbor, Michigan
| | - Nathaniel P Disser
- Department of Orthopaedic Surgery, University of Michigan Medical School , Ann Arbor, Michigan
| | - Andrew M Rizzi
- Department of Orthopaedic Surgery, University of Michigan Medical School , Ann Arbor, Michigan
| | - Jeffrey R Talarek
- Department of Orthopaedic Surgery, University of Michigan Medical School , Ann Arbor, Michigan.,Department of Molecular and Integrative Physiology, University of Michigan Medical School , Ann Arbor, Michigan
| | - Dylan C Sarver
- Department of Orthopaedic Surgery, University of Michigan Medical School , Ann Arbor, Michigan
| | - Susan V Brooks
- Department of Molecular and Integrative Physiology, University of Michigan Medical School , Ann Arbor, Michigan.,Department of Biomedical Engineering, University of Michigan Medical School , Ann Arbor, Michigan
| | - Christopher L Mendias
- Department of Orthopaedic Surgery, University of Michigan Medical School , Ann Arbor, Michigan.,Department of Molecular and Integrative Physiology, University of Michigan Medical School , Ann Arbor, Michigan.,Hospital for Special Surgery , New York, New York
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16
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Amar S, Smith L, Fields GB. Matrix metalloproteinase collagenolysis in health and disease. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2017; 1864:1940-1951. [PMID: 28456643 PMCID: PMC5605394 DOI: 10.1016/j.bbamcr.2017.04.015] [Citation(s) in RCA: 131] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2017] [Revised: 04/20/2017] [Accepted: 04/24/2017] [Indexed: 01/08/2023]
Abstract
The proteolytic processing of collagen (collagenolysis) is critical in development and homeostasis, but also contributes to numerous pathologies. Mammalian interstitial collagenolytic enzymes include members of the matrix metalloproteinase (MMP) family and cathepsin K. While MMPs have long been recognized for their ability to catalyze the hydrolysis of collagen, the roles of individual MMPs in physiological and pathological collagenolysis are less defined. The use of knockout and mutant animal models, which reflect human diseases, has revealed distinct collagenolytic roles for MT1-MMP and MMP-13. A better understanding of temporal and spatial collagen processing, along with the knowledge of the specific MMP involved, will ultimately lead to more effective treatments for cancer, arthritis, cardiovascular conditions, and infectious diseases. This article is part of a Special Issue entitled: Matrix Metalloproteinases edited by Rafael Fridman.
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Affiliation(s)
- Sabrina Amar
- Department of Chemistry & Biochemistry, Florida Atlantic University, Jupiter, FL 33458, USA.
| | - Lyndsay Smith
- Department of Chemistry & Biochemistry, Florida Atlantic University, Jupiter, FL 33458, USA.
| | - Gregg B Fields
- Department of Chemistry & Biochemistry, Florida Atlantic University, Jupiter, FL 33458, USA; Department of Chemistry, The Scripps Research Institute/Scripps Florida, Jupiter, FL 33458, USA.
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17
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Dominguez-Rodriguez A, Abreu-Gonzalez P, de la Torre-Hernandez JM, Gonzalez-Gonzalez J, Garcia-Camarero T, Consuegra-Sanchez L, Garcia-Saiz MDM, Aldea-Perona A, Virgos-Aller T, Azpeitia A, Reiter RJ. Effect of intravenous and intracoronary melatonin as an adjunct to primary percutaneous coronary intervention for acute ST-elevation myocardial infarction: Results of the Melatonin Adjunct in the acute myocaRdial Infarction treated with Angioplasty trial. J Pineal Res 2017; 62. [PMID: 27736028 DOI: 10.1111/jpi.12374] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Accepted: 10/10/2016] [Indexed: 01/08/2023]
Abstract
The MARIA randomized trial evaluated the efficacy and safety of melatonin for the reduction of reperfusion injury in patients undergoing revascularization for ST-elevation myocardial infarction (STEMI). This was a prespecified interim analysis. A total of 146 patients presenting with STEMI within 6 hours of chest pain onset were randomized to receive intravenous and intracoronary melatonin (n=73) or placebo (n=73) during primary percutaneous coronary intervention (PPCI). Primary endpoint was myocardial infarct size as assessed by magnetic resonance imaging (MRI) at 6 ± 2 days. Secondary endpoints were changes in left ventricular volumes and ejection fraction (LVEF) at 130 ± 10 days post-PPCI and adverse events during the first year. No significant differences in baseline characteristics were observed between groups. MRI was performed in 108 patients (86.4%). Myocardial infarct size by MRI evaluated 6 ± 2 days post-PPCI, did not differ between melatonin and placebo groups (P=.63). Infarct size assessed by MRI at 130 ± 10 days post-PPCI, performed in 91 patients (72.8%), did not show statistically significant differences between groups (P=.27). The recovery of LVEF from 6 ± 2 to 130 ± 10 days post-PPCI was greater in the placebo group (60.0 ± 10.4% vs 53.1 ± 12.5%, P=.008). Both left ventricular end-diastolic and end-systolic volumes were lower in the placebo group (P=.01). The incidence of adverse events at 1 year was comparable in both groups (P=.150). Thus, in a nonrestricted STEMI population, intravenous and intracoronary melatonin was not associated with a reduction in infarct size and has an unfavourable effect on the ventricular volumes and LVEF evolution. Likewise, there is lack of toxicity of melatonin with the doses used.
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Affiliation(s)
- Alberto Dominguez-Rodriguez
- Department of Cardiology, Hospital Universitario de Canarias, Santa Cruz de Tenerife, Spain
- Facultad de Ciencias de la Salud, Universidad Europea de Canarias, La Orotava, Santa Cruz de Tenerife, Spain
| | - Pedro Abreu-Gonzalez
- Departamento de Ciencias Médicas Básicas (Unidad de Fisiología), Universidad de La Laguna, Santa Cruz de Tenerife, Spain
| | | | | | - Tamara Garcia-Camarero
- Department of Cardiology, Hospital Universitario Marques de Valdecilla, Santander, Cantabria, Spain
| | | | | | - Ana Aldea-Perona
- Department of Pharmacology, Hospital Universitario de Canarias, Santa Cruz de Tenerife, Spain
| | - Tirso Virgos-Aller
- Department of Pharmacy, Hospital Universitario de Canarias, Santa Cruz de Tenerife, Spain
| | | | - Russel J Reiter
- Department of Cellular and Structural Biology, University of Texas Health Science Center, San Antonio, TX, USA
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18
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Decaneto E, Suladze S, Rosin C, Havenith M, Lubitz W, Winter R. Pressure and Temperature Effects on the Activity and Structure of the Catalytic Domain of Human MT1-MMP. Biophys J 2016; 109:2371-81. [PMID: 26636948 DOI: 10.1016/j.bpj.2015.10.023] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Revised: 10/12/2015] [Accepted: 10/19/2015] [Indexed: 11/19/2022] Open
Abstract
Membrane type 1-matrix metalloproteinase (MT1-MMP or MMP-14) is a zinc-transmembrane metalloprotease involved in the degradation of extracellular matrix and tumor invasion. While changes in solvation of MT1-MMP have been recently studied, little is known about the structural and energetic changes associated with MT1-MMP while interacting with substrates. Steady-state kinetic and thermodynamic data (including activation energies and activation volumes) were measured over a wide range of temperatures and pressures by means of a stopped-flow fluorescence technique. Complementary temperature- and pressure-dependent Fourier-transform infrared measurements provided corresponding structural information of the protein. MT1-MMP is stable and active over a wide range of temperatures (10-55 °C). A small conformational change was detected at 37 °C, which is responsible for the change in activity observed at the same temperature. Pressure decreases the enzymatic activity until complete inactivation occurs at 2 kbar. The inactivation is associated with changes in the rate-limiting step of the reaction caused by additional hydration of the active site upon compression and/or minor conformational changes in the active site region. Based on these data, an energy and volume diagram could be established for the various steps of the enzymatic reaction.
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Affiliation(s)
- Elena Decaneto
- Max Planck Institute for Chemical Energy Conversion, Mülheim a. d. Ruhr, Germany; Department of Physical Chemistry II, Ruhr-University Bochum, Bochum, Germany
| | - Saba Suladze
- Department of Chemistry and Chemical Biology, Physical Chemistry, Technische Universität Dortmund, Dortmund, Germany
| | - Christopher Rosin
- Department of Chemistry and Chemical Biology, Physical Chemistry, Technische Universität Dortmund, Dortmund, Germany
| | - Martina Havenith
- Department of Physical Chemistry II, Ruhr-University Bochum, Bochum, Germany
| | - Wolfgang Lubitz
- Max Planck Institute for Chemical Energy Conversion, Mülheim a. d. Ruhr, Germany
| | - Roland Winter
- Department of Chemistry and Chemical Biology, Physical Chemistry, Technische Universität Dortmund, Dortmund, Germany.
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19
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Cerofolini L, Amar S, Lauer JL, Martelli T, Fragai M, Luchinat C, Fields GB. Bilayer Membrane Modulation of Membrane Type 1 Matrix Metalloproteinase (MT1-MMP) Structure and Proteolytic Activity. Sci Rep 2016; 6:29511. [PMID: 27405411 PMCID: PMC4942797 DOI: 10.1038/srep29511] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Accepted: 06/20/2016] [Indexed: 11/23/2022] Open
Abstract
Cell surface proteolysis is an integral yet poorly understood physiological process. The present study has examined how the pericellular collagenase membrane-type 1 matrix metalloproteinase (MT1-MMP) and membrane-mimicking environments interplay in substrate binding and processing. NMR derived structural models indicate that MT1-MMP transiently associates with bicelles and cells through distinct residues in blades III and IV of its hemopexin-like domain, while binding of collagen-like triple-helices occurs within blades I and II of this domain. Examination of simultaneous membrane interaction and triple-helix binding revealed a possible regulation of proteolysis due to steric effects of the membrane. At bicelle concentrations of 1%, enzymatic activity towards triple-helices was increased 1.5-fold. A single mutation in the putative membrane interaction region of MT1-MMP (Ser466Pro) resulted in lower enzyme activation by bicelles. An initial structural framework has thus been developed to define the role(s) of cell membranes in modulating proteolysis.
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Affiliation(s)
- Linda Cerofolini
- Giotto Biotech S.R.L., Via Madonna del Piano 6, 50019 Sesto Fiorentino (FI), Italy
| | - Sabrina Amar
- Department of Chemistry &Biochemistry, Florida Atlantic University, 5353 Parkside Drive, Jupiter, FL 33458, USA
| | - Janelle L Lauer
- Max Planck Institute of Molecular Cell Biology and Genetics, Pfotenhauerstrasse 108, 01307, Dresden, Germany
| | - Tommaso Martelli
- CERM, University of Florence, Via Luigi Sacconi 6, 50019, Sesto Fiorentino (FI), Italy.,Department of Chemistry "U. Schiff", University of Florence, via della Lastruccia 3, 50019, Sesto Fiorentino (FI), Italy
| | - Marco Fragai
- CERM, University of Florence, Via Luigi Sacconi 6, 50019, Sesto Fiorentino (FI), Italy.,Department of Chemistry "U. Schiff", University of Florence, via della Lastruccia 3, 50019, Sesto Fiorentino (FI), Italy
| | - Claudio Luchinat
- CERM, University of Florence, Via Luigi Sacconi 6, 50019, Sesto Fiorentino (FI), Italy.,Department of Chemistry "U. Schiff", University of Florence, via della Lastruccia 3, 50019, Sesto Fiorentino (FI), Italy
| | - Gregg B Fields
- Department of Chemistry &Biochemistry, Florida Atlantic University, 5353 Parkside Drive, Jupiter, FL 33458, USA.,Department of Chemistry, The Scripps Research Institute/Scripps Florida, 130 Scripps Way, Jupiter, FL 33458, USA.,Departments of Chemistry and Biology, Torrey Pines Institute for Molecular Studies, 33458, Port St. Lucie, FL 34987, USA
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20
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Iyer RP, Jung M, Lindsey ML. MMP-9 signaling in the left ventricle following myocardial infarction. Am J Physiol Heart Circ Physiol 2016; 311:H190-8. [PMID: 27208160 PMCID: PMC4967202 DOI: 10.1152/ajpheart.00243.2016] [Citation(s) in RCA: 85] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2016] [Accepted: 05/17/2016] [Indexed: 12/11/2022]
Abstract
Following myocardial infarction (MI), the left ventricle (LV) undergoes a series of cardiac wound healing responses that involve both the stimulation of robust inflammation to clear necrotic myocytes and tissue debris and the induction of extracellular matrix (ECM) protein synthesis to generate an infarct scar. The collective changes in myocardial structure and function are termed LV remodeling, and matrix metalloproteinase-9 (MMP-9) is a key instigator of post-MI LV remodeling. Through direct molecular effects on ECM and inflammatory protein turnover as well as indirect effects on major cell types that coordinate cardiac wound healing, namely the infiltrating leukocytes and the cardiac fibroblasts, MMP-9 coordinates multiple aspects of LV remodeling. In this review, we will discuss recent research that has expanded our understanding of post-MI LV remodeling, including recent proteomic advances focused on the ECM compartment to provide novel functional and translational insights. This overview will summarize how our understanding of MMP-9 has evolved over the last decade and will provide insight into future directions that will drive our understanding of MMP-9-directed cardiac ECM turnover in the post-MI LV.
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Affiliation(s)
- Rugmani Padmanabhan Iyer
- Mississippi Center for Heart Research, Department of Physiology and Biophysics, University of Mississippi Medical Center, Jackson, Mississippi; and
| | - Mira Jung
- Mississippi Center for Heart Research, Department of Physiology and Biophysics, University of Mississippi Medical Center, Jackson, Mississippi; and
| | - Merry L Lindsey
- Mississippi Center for Heart Research, Department of Physiology and Biophysics, University of Mississippi Medical Center, Jackson, Mississippi; and Research Service, G. V. (Sonny) Montgomery Veterans Affairs Medical Center, Jackson, Mississippi
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21
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Ongstad EL, Gourdie RG. Can heart function lost to disease be regenerated by therapeutic targeting of cardiac scar tissue? Semin Cell Dev Biol 2016; 58:41-54. [PMID: 27234380 DOI: 10.1016/j.semcdb.2016.05.020] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Revised: 05/18/2016] [Accepted: 05/23/2016] [Indexed: 01/14/2023]
Abstract
Myocardial infarction results in scar tissue that cannot actively contribute to heart mechanical function and frequently causes lethal arrhythmias. The healing response after infarction involves inflammation, biochemical signaling, changes in cellular phenotype, activity, and organization, and alterations in electrical conduction due to variations in cell and tissue geometry and alterations in protein expression, organization, and function - particularly in membrane channels. The intensive research focus on regeneration of myocardial tissues has, as of yet, only met with modest success, with no near-term prospect of improving standard-of-care for patients with heart disease. An alternative concept for novel therapeutic approach is the rejuvenation of cardiac electrical and mechanical properties through the modification of scar tissue. Several peptide therapeutics, locally applied genetic therapies, or delivery of genetically modified cells have shown promise in improving the characteristics of the fibrous scar and post-myocardial infarction prognosis in experimental models. This review highlights several factors that contribute to arrhythmogenesis in scar formation and how these might be targeted to regenerate some of the electrical and mechanical function of the post-MI scar.
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Affiliation(s)
- Emily L Ongstad
- Center for Heart and Regenerative Medicine Research, Virginia Tech Carilion Research Institute, 2 Riverside Circle, Roanoke, VA 24016, USA.
| | - Robert G Gourdie
- Center for Heart and Regenerative Medicine Research, Virginia Tech Carilion Research Institute, 2 Riverside Circle, Roanoke, VA 24016, USA; Virginia Tech-Wake Forest University School of Biomedical Engineering and Sciences, 317 Kelly Hall, Stanger Street, Blacksburg, VA 24061, USA; Department of Emergency Medicine, Carilion Clinic, 1906 Belleview Avenue, Roanoke VA 24014, USA.
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22
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Clarke SA, Richardson WJ, Holmes JW. Modifying the mechanics of healing infarcts: Is better the enemy of good? J Mol Cell Cardiol 2015; 93:115-24. [PMID: 26631496 DOI: 10.1016/j.yjmcc.2015.11.028] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Revised: 11/09/2015] [Accepted: 11/26/2015] [Indexed: 02/06/2023]
Abstract
Myocardial infarction (MI) is a major source of morbidity and mortality worldwide, with over 7 million people suffering infarctions each year. Heart muscle damaged during MI is replaced by a collagenous scar over a period of several weeks, and the mechanical properties of that scar tissue are a key determinant of serious post-MI complications such as infarct rupture, depression of heart function, and progression to heart failure. Thus, there is increasing interest in developing therapies that modify the structure and mechanics of healing infarct scar. Yet most prior attempts at therapeutic scar modification have failed, some catastrophically. This article reviews available information about the mechanics of healing infarct scar and the functional impact of scar mechanical properties, and attempts to infer principles that can better guide future attempts to modify scar. One important conclusion is that collagen structure, mechanics, and remodeling of healing infarct scar vary so widely among experimental models that any novel therapy should be tested across a range of species, infarct locations, and reperfusion protocols. Another lesson from past work is that the biology and mechanics of healing infarcts are sufficiently complex that the effects of interventions are often counterintuitive; for example, increasing infarct stiffness has little effect on heart function, and inhibition of matrix metalloproteases (MMPs) has little effect on scar collagen content. Computational models can help explain such counterintuitive results, and are becoming an increasingly important tool for integrating known information to better identify promising therapies and design experiments to test them. Moving forward, potentially exciting new opportunities for therapeutic modification of infarct mechanics include modulating anisotropy and promoting scar compaction.
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Affiliation(s)
- Samantha A Clarke
- Department of Biomedical Engineering, University of Virginia, United States
| | - William J Richardson
- Department of Biomedical Engineering, University of Virginia, United States; Robert M. Berne Cardiovascular Research Center, University of Virginia, United States
| | - Jeffrey W Holmes
- Department of Biomedical Engineering, University of Virginia, United States; Department of Medicine, University of Virginia, United States; Robert M. Berne Cardiovascular Research Center, University of Virginia, United States.
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23
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Craig VJ, Zhang L, Hagood JS, Owen CA. Matrix metalloproteinases as therapeutic targets for idiopathic pulmonary fibrosis. Am J Respir Cell Mol Biol 2015; 53:585-600. [PMID: 26121236 PMCID: PMC4742954 DOI: 10.1165/rcmb.2015-0020tr] [Citation(s) in RCA: 301] [Impact Index Per Article: 33.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2015] [Accepted: 06/29/2015] [Indexed: 12/14/2022] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a restrictive lung disease that is associated with high morbidity and mortality. Current medical therapies are not fully effective at limiting mortality in patients with IPF, and new therapies are urgently needed. Matrix metalloproteinases (MMPs) are proteinases that, together, can degrade all components of the extracellular matrix and numerous nonmatrix proteins. MMPs and their inhibitors, tissue inhibitors of MMPs (TIMPs), have been implicated in the pathogenesis of IPF based upon the results of clinical studies reporting elevated levels of MMPs (including MMP-1, MMP-7, MMP-8, and MMP-9) in IPF blood and/or lung samples. Surprisingly, studies of gene-targeted mice in murine models of pulmonary fibrosis (PF) have demonstrated that most MMPs promote (rather than inhibit) the development of PF and have identified diverse mechanisms involved. These mechanisms include MMPs: (1) promoting epithelial-to-mesenchymal transition (MMP-3 and MMP-7); (2) increasing lung levels or activity of profibrotic mediators or reducing lung levels of antifibrotic mediators (MMP-3, MMP-7, and MMP-8); (3) promoting abnormal epithelial cell migration and other aberrant repair processes (MMP-3 and MMP-9); (4) inducing the switching of lung macrophage phenotypes from M1 to M2 types (MMP-10 and MMP-28); and (5) promoting fibrocyte migration (MMP-8). Two MMPs, MMP-13 and MMP-19, have antifibrotic activities in murine models of PF, and two MMPs, MMP-1 and MMP-10, have the potential to limit fibrotic responses to injury. Herein, we review what is known about the contributions of MMPs and TIMPs to the pathogenesis of IPF and discuss their potential as therapeutic targets for IPF.
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Affiliation(s)
- Vanessa J. Craig
- Division of Pulmonary and Critical Care Medicine, Brigham and Women’s Hospital/Harvard Medical School, Boston, Massachusetts
- Division of Pulmonary, Critical Care, and Sleep Medicine, University of California–San Diego, La Jolla, California
| | - Li Zhang
- Division of Pulmonary and Critical Care Medicine, Brigham and Women’s Hospital/Harvard Medical School, Boston, Massachusetts
| | - James S. Hagood
- Division of Pediatric Respiratory Medicine, University of California–San Diego, La Jolla, California, and
- Rady Children’s Hospital of San Diego, San Diego, California; and
| | - Caroline A. Owen
- Division of Pulmonary and Critical Care Medicine, Brigham and Women’s Hospital/Harvard Medical School, Boston, Massachusetts
- Lovelace Respiratory Research Institute, Albuquerque, New Mexico
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24
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Richardson WJ, Clarke SA, Quinn TA, Holmes JW. Physiological Implications of Myocardial Scar Structure. Compr Physiol 2015; 5:1877-909. [PMID: 26426470 DOI: 10.1002/cphy.c140067] [Citation(s) in RCA: 173] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Once myocardium dies during a heart attack, it is replaced by scar tissue over the course of several weeks. The size, location, composition, structure, and mechanical properties of the healing scar are all critical determinants of the fate of patients who survive the initial infarction. While the central importance of scar structure in determining pump function and remodeling has long been recognized, it has proven remarkably difficult to design therapies that improve heart function or limit remodeling by modifying scar structure. Many exciting new therapies are under development, but predicting their long-term effects requires a detailed understanding of how infarct scar forms, how its properties impact left ventricular function and remodeling, and how changes in scar structure and properties feed back to affect not only heart mechanics but also electrical conduction, reflex hemodynamic compensations, and the ongoing process of scar formation itself. In this article, we outline the scar formation process following a myocardial infarction, discuss interpretation of standard measures of heart function in the setting of a healing infarct, then present implications of infarct scar geometry and structure for both mechanical and electrical function of the heart and summarize experiences to date with therapeutic interventions that aim to modify scar geometry and structure. One important conclusion that emerges from the studies reviewed here is that computational modeling is an essential tool for integrating the wealth of information required to understand this complex system and predict the impact of novel therapies on scar healing, heart function, and remodeling following myocardial infarction.
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Affiliation(s)
- William J Richardson
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, USA.,Robert M. Berne Cardiovascular Research Center, University of Virginia, Charlottesville, Virginia, USA
| | - Samantha A Clarke
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, USA
| | - T Alexander Quinn
- Department of Physiology and Biophysics, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Jeffrey W Holmes
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, USA.,Department of Medicine, University of Virginia, Charlottesville, Virginia, USA.,Robert M. Berne Cardiovascular Research Center, University of Virginia, Charlottesville, Virginia, USA
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Ohkawara H, Ikeda K, Ogawa K, Takeishi Y. MEMBRANE TYPE 1-MATRIX METALLOPROTEINASE (MT1-MMP) IDENTIFIED AS A MULTIFUNCTIONAL REGULATOR OF VASCULAR RESPONSES. Fukushima J Med Sci 2015; 61:91-100. [PMID: 26370683 DOI: 10.5387/fms.2015-15] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Membrane type 1-matrix metalloproteinase (MT1-MMP) functions as a signaling molecules in addition to a transmembrane metalloprotease, which degrades interstitial collagens and extracellular matrix components. This review focuses on the multifunctional roles of MT1-MMP as a signaling molecule in vascular responses to pro-atherosclerotic stimuli in the pathogenesis of cardiovascular diseases. First, the lectin-like oxidized low-density lipoprotein receptor-1 (LOX-1)-MT1-MMP signaling axis contributes to endothelial dysfunction, which is mediated via small GTP-binding protein RhoA and Rac1 activation. Second, MT1-MMP plays a crucial role in reactive oxygen species (ROS) generation through the activation of receptor for advanced glycation end products (AGEs) in smooth muscle cells, indicating that MT1-MMP may be a therapeutic target for diabetic vascular complications. Third, MT1-MMP is involved in RhoA/Rac1 activation and Ca(2+) signaling in the mechanism of thrombin-stimulated endothelial dysfunction and oxidant stress. Fourth, the inhibition of the MT1-MMP/Akt signaling pathway may be an attractive strategy for treating endothelial disordered hemostasis in the development of vascular diseases linked to TNF-α-induced inflammation. Fifth, MT1-MMP through RAGE induced RhoA/Rac1 activation and tissue factor protein upregulation through NF-κB phosphorylation in endothelial cells stimulated by high-mobility group box-1, which plays a key role in the systemic inflammation. These findings suggest that the MT1-MMP-mediated signaling axis may be a promising target for treating atherosclerosis and subsequent cardiovascular diseases.
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Affiliation(s)
- Hiroshi Ohkawara
- Department of Cardiology and Hematology, Fukushima Medical University
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Matrix remodeling by MMPs during wound repair. Matrix Biol 2015; 44-46:113-21. [PMID: 25770908 DOI: 10.1016/j.matbio.2015.03.002] [Citation(s) in RCA: 263] [Impact Index Per Article: 29.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2015] [Revised: 03/05/2015] [Accepted: 03/06/2015] [Indexed: 12/16/2022]
Abstract
Repair following injury involves a range of processes - such as re-epithelialization, scar formation, angiogenesis, inflammation, and more - that function, often together, to restore tissue architecture. MMPs carry out diverse roles in all of these activities. In this article, we discuss how specific MMPs act on ECM during two critical repair processes: re-epithelialization and resolution of scar tissue. For wound closure, we discuss how two MMPs - MMP1 in human epidermis and MMP7 in mucosal epithelia - facilitate re-epithelialization by cleaving different ECM or ECM-associated proteins to affect similar integrin:matrix adhesion. In scars and fibrotic tissues, we discuss that a variety of MMPs carry out a diverse range of activities that can either promote or limit ECM deposition. However, few of these MMP-driven activities have been demonstrated to be due a direct action on ECM.
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Ambidextrous binding of cell and membrane bilayers by soluble matrix metalloproteinase-12. Nat Commun 2014; 5:5552. [PMID: 25412686 DOI: 10.1038/ncomms6552] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2014] [Accepted: 10/10/2014] [Indexed: 01/15/2023] Open
Abstract
Matrix metalloproteinases (MMPs) regulate tissue remodelling, inflammation and disease progression. Some soluble MMPs are inexplicably active near cell surfaces. Here we demonstrate the binding of MMP-12 directly to bilayers and cellular membranes using paramagnetic NMR and fluorescence. Opposing sides of the catalytic domain engage spin-labelled membrane mimics. Loops project from the β-sheet interface to contact the phospholipid bilayer with basic and hydrophobic residues. The distal membrane interface comprises loops on the other side of the catalytic cleft. Both interfaces mediate MMP-12 association with vesicles and cell membranes. MMP-12 binds plasma membranes and is internalized to hydrophobic perinuclear features, the nuclear membrane and inside the nucleus within minutes. While binding of TIMP-2 to MMP-12 hinders membrane interactions beside the active site, TIMP-2-inhibited MMP-12 binds vesicles and cells, suggesting compensatory rotation of its membrane approaches. MMP-12 association with diverse cell membranes may target its activities to modulate innate immune responses and inflammation.
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Muylaert DEP, Fledderus JO, Bouten CVC, Dankers PYW, Verhaar MC. Combining tissue repair and tissue engineering; bioactivating implantable cell-free vascular scaffolds. Heart 2014; 100:1825-30. [PMID: 25053725 DOI: 10.1136/heartjnl-2014-306092] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Synthetic replacement grafts for heart valves and small-diameter blood vessels such as coronary arteries have the potential to circumvent many of the limitations of currently available autologous grafting materials. Cell-free material incorporating biologically active compounds may guide the formation of fully autologous new tissue in situ derived from host cells after implantation. Inspiration for such bioactive compounds and their dynamics can be found in in vivo repair processes. Molecules such as stromal cell-derived factor 1α (SDF1α) that can attract progenitor cells from the bloodstream and modulate immune responses may be able to improve neotissue development in cell-free vascular and valvular grafts. Advances in the development of fully synthetic molecules and scaffold materials allow the spatial and temporal control of biologically active factors, enabling tissue engineers to mimic complex cellular signalling. This review focuses on combining knowledge of the molecular dynamics of factors involved in in vivo damage repair with the possibilities offered by newly developed synthetic materials. This approach has lead to encouraging results in the field of in situ vascular tissue engineering, and can ultimately lead to the development of off-the-shelf available vascular and valvular replacement grafts.
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Affiliation(s)
- Dimitri E P Muylaert
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Joost O Fledderus
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Carlijn V C Bouten
- Department of Biomedical Engineering, Section Soft Tissue Biomechanics & Tissue Engineering, Eindhoven University of Technology, Utrecht, The Netherlands Institute for Complex Molecular Systems, Eindhoven University of Technology, Utrecht, The Netherlands
| | - Patricia Y W Dankers
- Laboratory of Chemical Biology, Department of Biomedical Engineering, Eindhoven University of Technology, Utrecht, The Netherlands Institute for Complex Molecular Systems, Eindhoven University of Technology, Utrecht, The Netherlands
| | - Marianne C Verhaar
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
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Han KY, Dugas-Ford J, Seiki M, Chang JH, Azar DT. Evidence for the Involvement of MMP14 in MMP2 Processing and Recruitment in Exosomes of Corneal Fibroblasts. Invest Ophthalmol Vis Sci 2014; 56:5323-9. [PMID: 25015352 DOI: 10.1167/iovs.14-14417] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
PURPOSE Matrix metalloproteinase (MMP) 14 has been shown to promote angiogenesis, but the underlying mechanisms are poorly understood. In this study, we investigated exosomal transport of MMP14 and its target, MMP2, from corneal fibroblasts to vascular endothelial cells as a possible mechanism governing MMP14 activity in corneal angiogenesis. METHODS We isolated MMP14-containing exosomes from corneal fibroblasts by sucrose density gradient and evaluated exosome content and purity by Western blot analysis. We then investigated exosome transport in vitro from corneal fibroblasts to two populations of vascular endothelial cells, human umbilical vein endothelial cells (HUVECs) and calf pulmonary artery endothelial cells (CPAECs). Western blot analysis and gelatin zymography were used to determine levels of MMP14 and MMP2, respectively, in exosomal fractions derived from cultured wild-type, MMP14 enzymatic domain-deficient (MMP14Δexon4), and MMP14-null corneal fibroblasts. RESULTS Matrix metalloproteinase 14-containing exosomes isolated from corneal fibroblasts were readily taken up in vitro by HUVECs and CPAECs. We found that MMP14 was enriched in exosomal fractions of cultured corneal fibroblasts. Moreover, loss of the MMP14 enzymatic domain resulted in accumulation of pro-MMP2 protein in exosomes, whereas MMP2 was nearly undetectable in exosomes of MMP14-null fibroblasts. CONCLUSIONS Our results indicate that exosomes secreted by corneal fibroblasts can transport proteins, including MMP14, to vascular endothelial cells. In addition, recruitment of MMP2 into corneal fibroblast exosomes is an active process that depends, at least in part, on the presence of MMP14. The role of exosomal MMP14 transport in corneal angiogenesis has important implications for therapeutic applications targeting angiogenic processes in the cornea.
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Affiliation(s)
- Kyu-Yeon Han
- Department of Ophthalmology and Visual Sciences Illinois Eye and Ear Infirmary, University of Illinois at Chicago, Chicago, United States
| | - Jennifer Dugas-Ford
- Department of Ophthalmology and Visual Sciences Illinois Eye and Ear Infirmary, University of Illinois at Chicago, Chicago, United States
| | - Motoharu Seiki
- Division of Cancer Cell Research, Institute of Medical Science, University of Tokyo, Minato-ku, Tokyo, Japan
| | - Jin-Hong Chang
- Department of Ophthalmology and Visual Sciences Illinois Eye and Ear Infirmary, University of Illinois at Chicago, Chicago, United States
| | - Dimitri T Azar
- Department of Ophthalmology and Visual Sciences Illinois Eye and Ear Infirmary, University of Illinois at Chicago, Chicago, United States
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Hughes BG, Schulz R. Targeting MMP-2 to treat ischemic heart injury. Basic Res Cardiol 2014; 109:424. [PMID: 24986221 DOI: 10.1007/s00395-014-0424-y] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2014] [Accepted: 06/23/2014] [Indexed: 10/24/2022]
Abstract
Matrix metalloproteinase (MMPs) are long understood to be involved in remodeling of the extracellular matrix. However, over the past decade, it has become clear that one of the most ubiquitous MMPs, MMP-2, has numerous intracellular targets in cardiac myocytes. Notably, MMP-2 proteolyzes components of the sarcomere, and its intracellular activity contributes to ischemia-reperfusion injury of the heart. Together with the well documented role played by MMPs in the myocardial remodeling that occurs following myocardial infarction, this has led to great interest in targeting MMPs to treat cardiac ischemic injury. In this review we will describe the expanding understanding of intracellular MMP-2 biology, and how this knowledge may lead to improved treatments for ischemic heart injury. We also critically review the numerous preclinical studies investigating the effects of MMP inhibition in animal models of myocardial infarction and ischemia-reperfusion injury, as well as the recent clinical trials that are part of the effort to translate these results into clinical practice. Acknowledging the disappointing results of past clinical trials of MMP inhibitors for other diseases, we discuss the need for carefully designed preclinical and clinical studies to avoid mistakes that have been previously made. We conclude that inhibition of MMPs, and in particular MMP-2, shows promise as a therapy to prevent the progression from ischemic injury to heart failure. However, it is critical that the full breadth of MMP-2 biology be taken into account as such therapies are developed.
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Affiliation(s)
- Bryan G Hughes
- Departments of Pediatrics and Pharmacology, Mazankowski Alberta Heart Institute/Cardiovascular Research Centre, University of Alberta, 4-62 HMRC, Edmonton, AB, T6G 2S2, Canada
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31
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Li AH, Liu PP, Villarreal FJ, Garcia RA. Dynamic changes in myocardial matrix and relevance to disease: translational perspectives. Circ Res 2014; 114:916-27. [PMID: 24577970 DOI: 10.1161/circresaha.114.302819] [Citation(s) in RCA: 95] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The cardiac extracellular matrix (ECM) provides the architectural scaffold to support efficient contraction and relaxation of cardiomyocytes. The elegant design of the ECM facilitates optimal force transduction, electric transmission, intercellular communication, and metabolic exchange within the myocardial microenvironment. In the setting of increased wall stress, injury, or disease, the ECM can undergo a series of dynamic changes that lead to favorable chamber remodeling and functional adaptation. Over time, sustained matrix remodeling can impair diastolic and systolic function caused by excess deposition of interstitial fibrous tissue. These pathological alterations in ECM structure/function are considered central to the evolution of adverse cardiac remodeling and the development of heart failure. This review discusses the complex dynamics of the cardiac ECM in the setting of myocardial infarction, pressure overload, and volume overload. We also summarize the current status of ECM biomarkers that may have clinical value in prognosticating cardiac disease progression in patients. Finally, we discuss the most current status of drugs under evaluation for use in cardiac fibrosis.
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Affiliation(s)
- Ai-Hsien Li
- From the University of Ottawa Heart Institute, Ottawa, Ontario, Canada (A.-H.L., P.P.L.); University of Toronto, Heart & Stroke/Lewar Centre of Excellence, Toronto, Ontario, Canada (P.P.L.); University of California, San Diego, School of Medicine (F.J.V., R.A.G.); and Bristol-Myers Squibb Company, Pennington, NJ (R.A.G.)
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32
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Jia ZB, Tian H, Kang K, Miao HZ, Liu KY, Jiang SL, Wang LP. Expression of the tissue inhibitor of metalloproteinase-3 by transplanted VSMCs modifies heart structure and function after myocardial infarction. Transpl Immunol 2014; 30:149-58. [PMID: 24727088 DOI: 10.1016/j.trim.2014.03.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2014] [Revised: 03/28/2014] [Accepted: 03/31/2014] [Indexed: 10/25/2022]
Abstract
OBJECTIVES Extracellular matrix (ECM) remodelling is a critical aspect of cardiac remodelling following myocardial infarction. Tissue inhibitors of metalloproteinases (TIMPs) are physiological inhibitors of matrix metalloproteinases (MMPs) that degrade the ECM proteins. TIMP-3 is highly expressed in the heart and is markedly downregulated in patients with ischaemic cardiomyopathy. Cell-based gene therapy can enhance the effects of cell transplantation by temporally and spatially regulating the release of the gene product. The purpose of this study was to investigate the role of TIMP-3 gene-transfected vascular smooth muscle cells (VSMCs) in modifying heart structure and function in rats when transplanted 3days after myocardial infarction (MI). METHODS Anesthetised rats were subjected to coronary artery ligation followed 3days later by thoracotomy and transplantation of TIMP-3 gene-transfected VSMCs, untransfected VSMCs or medium injected directly into the ischaemic myocardium. We assessed left ventricular structure and function by echocardiography and morphometry, and measured the levels of myocardial matrix metalloproteinase-2 and -9 (MMP-2, MMP-9), TIMP-3 and tumour necrosis factor-α (TNF-α) at 4weeks post-myocardial infarction. RESULTS Transplantation of TIMP-3 gene-transfected VSMCs and untransfected VSMCs significantly decreased scar expansion and ventricular dilatation 25days post-transplantation (4weeks after MI). MMPs and TNF-α levels were reduced in the transplantation groups when compared to the group that was given an injection of medium only. Transplantation of TIMP-3 gene-transfected VSMCs was more effective in preventing progressive cardiac dysfunction, ventricular dilatation and in reducing MMP-2, MMP-9 and TNF-α levels when compared to the transplantation of untransfected VSMCs. CONCLUSIONS TIMP-3 gene transfection was associated with attenuated left ventricular dilation and recovery of systolic function after MI compared with the control. TIMP-3 transfection enhanced the effects of transplanted VSMCs in rats by inhibiting matrix degradation and inflammatory cytokine expression, leading to improved myocardial remodelling.
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Affiliation(s)
- Zhi-Bo Jia
- Department of Cardiovascular Surgery, Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Hai Tian
- Department of Cardiovascular Surgery, Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Kai Kang
- Department of Cardiovascular Surgery, Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Hong-Zhi Miao
- Department of Cardiothoracic Surgery, First Hospital of Qiqihaer, Qiqihaer, China
| | - Kai-Yu Liu
- Department of Cardiovascular Surgery, Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Shu-Lin Jiang
- Department of Cardiovascular Surgery, Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Li-Ping Wang
- Department of Geriatrics, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.
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van Duijnhoven SM, Robillard MS, Hermann S, Kuhlmann MT, Schäfers M, Nicolay K, Grüll H. Imaging of MMP Activity in Postischemic Cardiac Remodeling Using Radiolabeled MMP-2/9 Activatable Peptide Probes. Mol Pharm 2014; 11:1415-23. [DOI: 10.1021/mp400569k] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Sander M.J. van Duijnhoven
- Department
of Biomedical Engineering, Eindhoven University of Technology, 5656 Eindhoven, The Netherlands
- Center for Imaging
Research and Education (CIRE), 5656 Eindhoven, The Netherlands
| | - Marc S. Robillard
- Center for Imaging
Research and Education (CIRE), 5656 Eindhoven, The Netherlands
- Department
of Minimally Invasive Healthcare, Philips Research, 5656 Eindhoven, The Netherlands
| | - Sven Hermann
- European Institute for Molecular Imaging (EIMI), D-48149 Münster, Germany
| | | | - Michael Schäfers
- European Institute for Molecular Imaging (EIMI), D-48149 Münster, Germany
| | - Klaas Nicolay
- Department
of Biomedical Engineering, Eindhoven University of Technology, 5656 Eindhoven, The Netherlands
- Center for Imaging
Research and Education (CIRE), 5656 Eindhoven, The Netherlands
| | - Holger Grüll
- Department
of Biomedical Engineering, Eindhoven University of Technology, 5656 Eindhoven, The Netherlands
- Center for Imaging
Research and Education (CIRE), 5656 Eindhoven, The Netherlands
- Department
of Minimally Invasive Healthcare, Philips Research, 5656 Eindhoven, The Netherlands
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Kobayashi T, Kim H, Liu X, Sugiura H, Kohyama T, Fang Q, Wen FQ, Abe S, Wang X, Atkinson JJ, Shipley JM, Senior RM, Rennard SI. Matrix metalloproteinase-9 activates TGF-β and stimulates fibroblast contraction of collagen gels. Am J Physiol Lung Cell Mol Physiol 2014; 306:L1006-15. [PMID: 24705725 DOI: 10.1152/ajplung.00015.2014] [Citation(s) in RCA: 145] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Matrix metalloproteinase-9 (MMP-9) is a matrix-degrading enzyme implicated in many biological processes, including inflammation. It is produced by many cells, including fibroblasts. When cultured in three-dimensional (3D) collagen gels, fibroblasts contract the surrounding matrix, a function that is thought to model the contraction that characterizes both normal wound repair and fibrosis. The current study was designed to evaluate the role of endogenously produced MMP-9 in fibroblast contraction of 3D collagen gels. Fibroblasts from mice lacking expression of MMP-9 and human lung fibroblasts (HFL-1) transfected with MMP-9 small-interfering RNA (siRNA) were used. Fibroblasts were cast into type I collagen gels and floated in culture medium with or without transforming growth factor (TGF)-β1 for 5 days. Gel size was determined daily using an image analysis system. Gels made from MMP-9 siRNA-treated human fibroblasts contracted less than control fibroblasts, as did fibroblasts incubated with a nonspecific MMP inhibitor. Similarly, fibroblasts cultured from MMP-9-deficient mice contracted gels less than did fibroblasts from control mice. Transfection of the MMP-9-deficient murine fibroblasts with a vector expressing murine MMP-9 restored contractile activity to MMP-9-deficient fibroblasts. Inhibition of MMP-9 reduced active TGF-β1 and reduced several TGF-β1-driven responses, including activity of a Smad3 reporter gene and production of fibronectin. Because TGF-β1 also drives fibroblast gel contraction, this suggests the mechanism for MMP-9 regulation of contraction is through the generation of active TGF-β1. This study provides direct evidence that endogenously produced MMP-9 has a role in regulation of tissue contraction of 3D collagen gels mediated by fibroblasts.
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Affiliation(s)
| | - HuiJung Kim
- WonKwang University Sanbon Medical Center, Seoul, Korea
| | - Xiangde Liu
- University of Nebraska Medical Center, Omaha, Nebraska
| | | | | | - Qiuhong Fang
- Department of Pulmonary and Critical Care, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | | | | | - Xingqi Wang
- Affiliated Hospital of Hebei United University, Hebei Province, China
| | | | - James M Shipley
- Washington University School of Medicine, St. Louis, Missouri
| | - Robert M Senior
- Washington University School of Medicine, St. Louis, Missouri
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Wu X, Huang W, Luo G, Alain LA. Hypoxia induces connexin 43 dysregulation by modulating matrix metalloproteinases via MAPK signaling. Mol Cell Biochem 2013; 384:155-62. [PMID: 24002703 PMCID: PMC3825321 DOI: 10.1007/s11010-013-1793-5] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2013] [Accepted: 08/23/2013] [Indexed: 11/30/2022]
Abstract
Connexin 43 (Cx43) is a major structural protein found in the gap junctions of the ventricular myocardium and a major determinant of its electrical properties. The effects of matrix metalloproteinases (MMPs), the mitogen-activated protein kinase (MAPK) signaling pathway, transcription factor NF-kB, and activator protein-1 (AP-1)/c-Jun on the regulation of Cx43 gene expression in H9c2 cardiomyocytes were assessed. The MAPK signaling pathway (MEK/ERK1/2 and PI3K) and transcription factors NF-kB and AP-1/c-Jun were inhibited, then Cx43 expression was assessed using Western blot analysis, and MMP-9 activity was assessed using gelatin zymography. Hypoxia decreased the Cx43 protein level by approximately 30-50 %. Doxycycline (10 μg/mL), an inhibitor of MMP, markedly attenuated the hypoxia-induced downregulation of Cx43 protein expression at 6 h. The hypoxia-induced decrease in Cx43 protein expression was significantly reversed by U0126 (10 μM), a MEK/ERK1/2 inhibitor, at 6 and 12 h; LY294002 (30 μM), a PI3K inhibitor, downregulated Cx43 expression. Hypoxia-induced MMP-9 activation was inhibited by treatment with LY294002, U0126, and, most especially, U0126. JSH-23 (30 μM), an NF-kB inhibitor, and SP600125 (10 μM), an AP-1/c-Jun inhibitor, attenuated the loss of Cx43. These results suggest that MAPK signaling and the activities NF-kB and MMPs play an important roles in the regulation of Cx43 expression.
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Affiliation(s)
- Xianghong Wu
- Department of Cardiology, First Affiliated Hospital, Guangxi Medical University, Nanning, People's Republic of China
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Qin Y, Cao X, Yang Y, Shi GP. Cysteine protease cathepsins and matrix metalloproteinases in the development of abdominal aortic aneurysms. Future Cardiol 2013; 9:89-103. [PMID: 23259477 DOI: 10.2217/fca.12.71] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Both cysteine protease cathepsins and matrix metalloproteinases are implicated in the pathogenesis of abdominal aortic aneurysms (AAAs) in humans and animals. Blood and aortic tissues from humans or animals with AAAs contain much higher levels of these proteases, and often lower levels of their endogenous inhibitors, than do blood and aortic tissues from healthy subjects. Protease- and protease inhibitor-deficient mice and synthetic protease inhibitors have affirmed that cysteinyl cathepsins and matrix metalloproteinases both participate directly in AAA development in several experimental model systems. Here, we summarize our current understanding of how proteases contribute to the pathogenesis of AAA, and discuss whether proteases or their inhibitors may serve as diagnostic biomarkers or potential therapeutic targets for this common human arterial disease.
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Affiliation(s)
- Yanwen Qin
- The Key Laboratory of Remodeling-Related Cardiovascular Diseases, Beijing An Zhen Hospital, Capital Medical University, Ministry of Education, Beijing Institute of Heart, Lung & Blood Vessel Diseases, Beijing 100029, China
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Vanhoutte D, van Almen GC, Van Aelst LNL, Van Cleemput J, Droogné W, Jin Y, Van de Werf F, Carmeliet P, Vanhaecke J, Papageorgiou AP, Heymans S. Matricellular proteins and matrix metalloproteinases mark the inflammatory and fibrotic response in human cardiac allograft rejection. Eur Heart J 2012; 34:1930-41. [PMID: 23139380 PMCID: PMC4051259 DOI: 10.1093/eurheartj/ehs375] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Aims The cardiac extracellular matrix is highly involved in regulating inflammation, remodelling, and function of the heart. Whether matrix alterations relate to the degree of inflammation, fibrosis, and overall rejection in the human transplanted heart remained, until now, unknown. Methods and results Expression of matricellular proteins, proteoglycans, and metalloproteinases (MMPs) and their inhibitors (TIMPs) were investigated in serial endomyocardial biopsies (n = 102), in a cohort of 39 patients within the first year after cardiac transplantation. Out of 15 matrix-related proteins, intragraft transcript and protein levels of syndecan-1 and MMP-9 showed a strong association with the degree of cardiac allograft rejection (CAR), the expression of pro-inflammatory cytokines tumour necrosis factor (TNF)-α, interleukin (IL)-6 and transforming growth factor (TGF)-β, and with infiltrating CD3+T-cells and CD68+monocytes. In addition, SPARC, CTGF, TSP-2, MMP-14, TIMP-1, Testican-1, TSP-1, Syndecan-1, MMP-2, -9, and -14, as well as IL-6 and TGF-β transcript levels and inflammatory infiltrates all strongly relate to collagen expression in the transplanted heart. More importantly, receiver operating characteristic curve analysis demonstrated that syndecan-1 and MMP-9 transcript levels had the highest area under the curve (0.969 and 0.981, respectively), thereby identifying both as a potential decision-making tool to discriminate rejecting from non-rejecting hearts. Conclusion Out of 15 matrix-related proteins, we identified synd-1 and MMP-9 intragraft transcript levels of as strong predictors of human CAR. In addition, a multitude of non-structural matrix-related proteins closely associate with collagen expression in the transplanted heart. Therefore, we are convinced that these findings deserve further investigation and are likely to be of clinical value to prevent human CAR.
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Affiliation(s)
- Davy Vanhoutte
- Cardiovascular Diseases, University Hospitals Leuven, and Department of Cardiovascular Sciences, KU Leuven, Belgium.
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