1
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Fang J, Shu S, Dong H, Yue X, Piao J, Li S, Hong L, Cheng XW. Histone deacetylase 6 controls cardiac fibrosis and remodelling through the modulation of TGF-β1/Smad2/3 signalling in post-infarction mice. J Cell Mol Med 2024; 28:e70063. [PMID: 39232846 PMCID: PMC11374528 DOI: 10.1111/jcmm.70063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 08/19/2024] [Accepted: 08/22/2024] [Indexed: 09/06/2024] Open
Abstract
Histone deacetylase 6 (HDAC6) belongs to the class IIb group of the histone deacetylase family, which participates in remodelling of various tissues. Herein, we sought to examine the potential regulation of HDAC6 in cardiac remodelling post-infarction. Experimental myocardial infarction (MI) was created in HDAC6-deficient (HDAC6-/-) mice and wild-type (HADC6+/+) by left coronary artery ligation. At days 0 and 14 post-MI, we evaluated cardiac function, morphology and molecular endpoints of repair and remodelling. At day 14 after surgery, the ischemic myocardium had increased levels of HADC6 gene and protein of post-MI mice compared to the non-ischemic myocardium of control mice. As compared with HDAC6-/--MI mice, HADC6 deletion markedly improved infarct size and cardiac fibrosis as well as impaired left ventricular ejection fraction and left ventricular fraction shortening. At the molecular levels, HDAC6-/- resulted in a significant reduction in the levels of the transforming growth factor-beta 1 (TGF-β1), phosphor-Smad-2/3, collagen I and collagen III proteins and/or in the ischemic cardiac tissues. All of these beneficial effects were reproduced by a pharmacological inhibition of HADC6 in vivo. In vitro, hypoxic stress increased the expressions of HADC6 and collagen I and III gene; these alterations were significantly prevented by the HADC6 silencing and TubA loading. These findings indicated that HADC6 deficiency resists ischemic injury by a reduction of TGF-β1/Smad2/3 signalling activation, leading to decreased extracellular matrix production, which reduces cardiac fibrosis and dysfunction, providing a potential molecular target in the treatment of patients with MI.
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Affiliation(s)
- Junqiao Fang
- Department of Cardiology and Hypertension, Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital, Yanji, Jilin, China
- Department of Cardiology, The Wuxi Fifth People's Hospital, The Fifth Affiliated Hospital of Jiangnan University, Wuxi, Jiangshu, China
| | - Shangzhi Shu
- Department of Cardiology, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Hui Dong
- Department of Physiology and Pathophysiology, College of Medicine, Yanbian University, Yanjin, Jilin, China
| | - Xueling Yue
- Department of Cardiology and Hypertension, Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital, Yanji, Jilin, China
| | - Jinshun Piao
- Department of Cardiology and Hypertension, Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital, Yanji, Jilin, China
- Department of Cardiology, The Wuxi Fifth People's Hospital, The Fifth Affiliated Hospital of Jiangnan University, Wuxi, Jiangshu, China
| | - Shuyan Li
- Department of Cardiology, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Lan Hong
- Department of Physiology and Pathophysiology, College of Medicine, Yanbian University, Yanjin, Jilin, China
| | - Xian Wu Cheng
- Department of Cardiology and Hypertension, Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital, Yanji, Jilin, China
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Yanbian University, Yanji, Jilin, China
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2
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Lazaropoulos MP, Gibb AA, Chapski DJ, Nair AA, Reiter AN, Roy R, Eaton DM, Bedi KC, Margulies KB, Wellen KE, Estarás C, Vondriska TM, Elrod JW. Nuclear ATP-citrate lyase regulates chromatin-dependent activation and maintenance of the myofibroblast gene program. NATURE CARDIOVASCULAR RESEARCH 2024; 3:869-882. [PMID: 39196175 PMCID: PMC11358007 DOI: 10.1038/s44161-024-00502-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 05/31/2024] [Indexed: 08/29/2024]
Abstract
Differentiation of cardiac fibroblasts to myofibroblasts is necessary for matrix remodeling and fibrosis in heart failure. We previously reported that mitochondrial calcium signaling drives α-ketoglutarate-dependent histone demethylation, promoting myofibroblast formation. Here we investigate the role of ATP-citrate lyase (ACLY), a key enzyme for acetyl-CoA biosynthesis, in histone acetylation regulating myofibroblast fate and persistence in cardiac fibrosis. We show that inactivation of ACLY prevents myofibroblast differentiation and reverses myofibroblasts towards quiescence. Genetic deletion of Acly in post-activated myofibroblasts prevents fibrosis and preserves cardiac function in pressure-overload heart failure. TGFβ stimulation enhances ACLY nuclear localization and ACLY-SMAD2/3 interaction, and increases H3K27ac at fibrotic gene loci. Pharmacological inhibition of ACLY or forced nuclear expression of a dominant-negative ACLY mutant prevents myofibroblast formation and H3K27ac. Our data indicate that nuclear ACLY activity is necessary for myofibroblast differentiation and persistence by maintaining histone acetylation at TGFβ-induced myofibroblast genes. These findings provide targets to prevent and reverse pathological fibrosis.
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Affiliation(s)
- Michael P Lazaropoulos
- Aging + Cardiovascular Discovery Center, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
| | - Andrew A Gibb
- Aging + Cardiovascular Discovery Center, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
| | - Douglas J Chapski
- Department of Anesthesiology & Perioperative Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Abheya A Nair
- Aging + Cardiovascular Discovery Center, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
| | - Allison N Reiter
- Aging + Cardiovascular Discovery Center, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
| | - Rajika Roy
- Aging + Cardiovascular Discovery Center, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
| | - Deborah M Eaton
- Cardiovascular Institute and Cardiovascular Medicine Division, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Kenneth C Bedi
- Cardiovascular Institute and Cardiovascular Medicine Division, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Kenneth B Margulies
- Cardiovascular Institute and Cardiovascular Medicine Division, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Kathryn E Wellen
- Department of Cancer Biology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Conchi Estarás
- Aging + Cardiovascular Discovery Center, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
| | - Thomas M Vondriska
- Department of Anesthesiology & Perioperative Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
- Departments Medicine/Cardiology and Physiology, and Molecular Biology Institute, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - John W Elrod
- Aging + Cardiovascular Discovery Center, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA.
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3
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Maheshwari S, Patel BM. Unravelling the role of cathepsins in cardiovascular diseases. Mol Biol Rep 2024; 51:579. [PMID: 38668953 DOI: 10.1007/s11033-024-09518-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Accepted: 04/03/2024] [Indexed: 05/04/2024]
Abstract
Lysosomal cathepsins as a regulatory medium have been assessed as potential therapeutic targets for the treatment of various cardiac diseases such as abdominal aortic aneurysm, hypertension, cardiomyopathy, coronary heart disease, atherosclerosis, etc. They are ubiquitous lysosomal proteases with papain-like folded protein structures that are involved in a variety of physiological processes, such as the digestion of proteins, activation of pro-inflammatory molecules, degradation of extracellular matrix components, and maturation of peptide hormones. Cathepsins are classified into three major groups: cysteine cathepsins, aspartic cathepsins, and serine-threonine cathepsins. Each of these groups is further divided into subgroups based on their substrate specificity, structural characteristics, and biochemical properties. Several studies suggest that cathepsins control the degradation of ECM components such as collagen and elastin fibres. These enzymes are highly expressed in macrophages and inflammatory cells, and their upregulation has been demonstrated to be critical in the progression of atherosclerotic lesions. Additionally, increased cathepsin activity has been linked to increased vascular inflammation and oxidative stress, both of which are associated with CVDs. Specifically, the inhibition of cathepsins may reduce the release of pro-apoptotic mediators such as caspase-3 and PARP-1, which are thought to contribute to plaque instability. The potential of cathepsins as biomarkers and therapeutic targets has also been supported by the identification of potential cathepsin inhibitors, which could be used to modulate the activities of cathepsins in a range of diseases. This review shall familiarise the readers with the role of cysteinyl cathepsins and their inhibitors in the pathogenesis of cardiovascular diseases.
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Affiliation(s)
| | - Bhoomika M Patel
- School of Medico-Legal Studies, National Forensic Sciences University, Sector 9, Gandhinagar, 382007, India.
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4
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Luo S, Zhao X, Jiang J, Deng B, Liu S, Xu H, Tan Q, Chen Y, Zhang Z, Pan X, Wan R, Chen X, Yao Y, Li J. Piezo1 specific deletion in macrophage protects the progression of liver fibrosis in mice. Theranostics 2023; 13:5418-5434. [PMID: 37908726 PMCID: PMC10614683 DOI: 10.7150/thno.86103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 09/18/2023] [Indexed: 11/02/2023] Open
Abstract
Background and Aims: Liver fibrosis is the common pathological pathway of chronic liver diseases and its mechanisms of which have not been fully declared. Macrophages play essential roles in progression of liver fibrosis partially by sensing abnormal mechanical signals. The aim of the study is to investigate the functions of macrophage Piezo1, a mechano-sensitive ion channel, in liver fibrosis. Approach and Results: Immunofluorescence in human and murine fibrotic liver samples revealed that expression of macrophage Piezo1 was increased. Myeloid-specific Piezo1 knockout (Piezo1ΔLysM) attenuated liver fibrosis by decreased collagen deposition and epithelial-mesenchymal transition (EMT). In Piezo1ΔLysM mice, less inflammation during development of liver fibrosis was observed by lessened macrophage infiltration, decreased M1 polarization and expression of inflammatory cytokines. RNA-seq data showed macrophage Piezo1 regulated transcription of cathepsin S (CTSS). Piezo1ΔLysM inhibited expression and activity of CTSS in vitro and in vivo and regulated T cell activity. Furthermore, inhibition of CTSS reversed macrophage inflammatory response driven by Piezo1 activation and LPS. Macrophage Piezo1 activation promoted CTSS secretion due to increased activity of Ca2+-dependent calpain protease induced by Ca2+ influx to cleave lysosome-associated membrane protein-1 (LAMP1). Pharmacological inhibition of calpain activity partially blocked Piezo1 mediated CTSS secretion. Conclusions: Macrophage Piezo1 deficiency limits the progression of liver fibrosis by inhibited inflammatory response and decreased secretion of CTSS. These findings suggest that targeting Piezo1 channel may be a potential strategy for treating hepatic fibrosis.
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Affiliation(s)
- Shangfei Luo
- Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
- Innovation Research Center, Shandong University of Chinese Medicine, Jinan, 250307, China
| | - Xiaoduo Zhao
- Department of Pathology, the First Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310006, China
| | - Jintao Jiang
- Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Bo Deng
- The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510260, China
| | - Silin Liu
- Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Honglin Xu
- Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Qiaorui Tan
- Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Yu'an Chen
- Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Ziyan Zhang
- Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Xianmei Pan
- Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Rentao Wan
- Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Xiaoting Chen
- Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Youfen Yao
- Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Jing Li
- Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
- Innovation Research Center, Shandong University of Chinese Medicine, Jinan, 250307, China
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, LS2 9JT, UK
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5
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Hartley B, Bassiouni W, Schulz R, Julien O. The roles of intracellular proteolysis in cardiac ischemia-reperfusion injury. Basic Res Cardiol 2023; 118:38. [PMID: 37768438 DOI: 10.1007/s00395-023-01007-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 08/29/2023] [Accepted: 08/30/2023] [Indexed: 09/29/2023]
Abstract
Ischemic heart disease remains a leading cause of human mortality worldwide. One form of ischemic heart disease is ischemia-reperfusion injury caused by the reintroduction of blood supply to ischemic cardiac muscle. The short and long-term damage that occurs due to ischemia-reperfusion injury is partly due to the proteolysis of diverse protein substrates inside and outside of cardiomyocytes. Ischemia-reperfusion activates several diverse intracellular proteases, including, but not limited to, matrix metalloproteinases, calpains, cathepsins, and caspases. This review will focus on the biological roles, intracellular localization, proteolytic targets, and inhibitors of these proteases in cardiomyocytes following ischemia-reperfusion injury. Recognition of the intracellular function of each of these proteases includes defining their activation, proteolytic targets, and their inhibitors during myocardial ischemia-reperfusion injury. This review is a step toward a better understanding of protease activation and involvement in ischemic heart disease and developing new therapeutic strategies for its treatment.
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Affiliation(s)
- Bridgette Hartley
- Department of Biochemistry, University of Alberta, Edmonton, AB, Canada
| | - Wesam Bassiouni
- Department of Pharmacology, University of Alberta, Edmonton, AB, Canada
| | - Richard Schulz
- Department of Pharmacology, University of Alberta, Edmonton, AB, Canada.
- Department of Pediatrics, University of Alberta, Edmonton, AB, Canada.
- Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, AB, Canada.
- Women and Children's Health Research Institute, University of Alberta, Edmonton, AB, Canada.
| | - Olivier Julien
- Department of Biochemistry, University of Alberta, Edmonton, AB, Canada.
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6
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Wan Y, Piao L, Xu S, Inoue A, Meng X, Lei Y, Huang Z, Wang H, Yue X, Shi GP, Kuzuya M, Cheng XW. Cathepsin S deficiency improves muscle mass loss and dysfunction via the modulation of protein metabolism in mice under pathological stress conditions. FASEB J 2023; 37:e23086. [PMID: 37428652 DOI: 10.1096/fj.202300395rrr] [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: 03/02/2023] [Revised: 06/19/2023] [Accepted: 06/27/2023] [Indexed: 07/12/2023]
Abstract
Cathepsin S (CTSS) is a widely expressed cysteinyl protease that has garnered attention because of its enzymatic and non-enzymatic functions under inflammatory and metabolic pathological conditions. Here, we examined whether CTSS participates in stress-related skeletal muscle mass loss and dysfunction, focusing on protein metabolic imbalance. Eight-week-old male wildtype (CTSS+/+ ) and CTSS-knockout (CTSS-/- ) mice were randomly assigned to non-stress and variable-stress groups for 2 weeks, and then processed for morphological and biochemical studies. Compared with non-stressed mice, stressed CTSS+/+ mice showed significant losses of muscle mass, muscle function, and muscle fiber area. In this setting, the stress-induced harmful changes in the levels of oxidative stress-related (gp91phox and p22phox ,), inflammation-related (SDF-1, CXCR4, IL-1β, TNF-α, MCP-1, ICAM-1, and VCAM-1), mitochondrial biogenesis-related (PPAR-γ and PGC-1α) genes and/or proteins and protein metabolism-related (p-PI3K, p-Akt, p-FoxO3α, MuRF-1, and MAFbx1) proteins; and these alterations were rectified by CTSS deletion. Metabolomic analysis revealed that stressed CTSS-/- mice exhibited a significant improvement in the levels of glutamine metabolism pathway products. Thus, these findings indicated that CTSS can control chronic stress-related skeletal muscle atrophy and dysfunction by modulating protein metabolic imbalance, and thus CTSS was suggested to be a promising new therapeutic target for chronic stress-related muscular diseases.
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Affiliation(s)
- Ying Wan
- Department of Cardiology and Hypertension, Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital, Yanji, P.R. China
- Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital, Yanji, P.R. China
| | - Limei Piao
- Department of Cardiology and Hypertension, Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital, Yanji, P.R. China
- Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital, Yanji, P.R. China
| | - Shengnan Xu
- Department of Cardiology and Hypertension, Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital, Yanji, P.R. China
- Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital, Yanji, P.R. China
| | - Aiko Inoue
- Institute of Nano-Life-Systems, Innovation for Future Society, Nagoya University Institutes of Innovation for Future Society, Nagoya, Japan
| | - Xiangkun Meng
- Department of Vascular Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yanna Lei
- Department of Cardiology and Hypertension, Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital, Yanji, P.R. China
- Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital, Yanji, P.R. China
| | - Zhe Huang
- Department of Neurology, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Hailong Wang
- Department of Cardiology and Hypertension, Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital, Yanji, P.R. China
- Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital, Yanji, P.R. China
| | - Xueling Yue
- Department of Cardiology and Hypertension, Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital, Yanji, P.R. China
- Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital, Yanji, P.R. China
| | - Guo-Ping Shi
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Masafumi Kuzuya
- Institute of Nano-Life-Systems, Innovation for Future Society, Nagoya University Institutes of Innovation for Future Society, Nagoya, Japan
- Meitetsu Hospital, Nagoya, Japan
| | - Xian Wu Cheng
- Department of Cardiology and Hypertension, Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital, Yanji, P.R. China
- Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital, Yanji, P.R. China
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7
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Cheng XW, Narisawa M, Wang H, Piao L. Overview of multifunctional cysteinyl cathepsins in atherosclerosis-based cardiovascular disease: from insights into molecular functions to clinical implications. Cell Biosci 2023; 13:91. [PMID: 37202785 DOI: 10.1186/s13578-023-01040-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 05/01/2023] [Indexed: 05/20/2023] Open
Abstract
Cysteinyl cathepsins (CTSs) are widely known to have a proteolysis function that mediates recycling of unwanted proteins in endosomes and lysosomes, and investigation of CTSs has greatly improved with advances in live-imaging techniques both in vivo and in vitro, leading to three key findings. (1) CTSs are relocated from the lysosomes to other cellular spaces (i.e., cytosol, nucleus, nuclear membrane, plasma membrane, and extracellular milieu). (2) In addition to acidic cellular compartments, CTSs also exert biological activity in neutral environments. (3) CTSs also exert multiple nontraditional functions in, for example, extracellular matrix metabolism, cell signaling transduction, protein processing/trafficking, and cellular events. Various stimuli regulate the expression and activities of CTSs in vivo and vitro-e.g., inflammatory cytokines, oxidative stress, neurohormones, and growth factors. Accumulating evidence has confirmed the participation of CTSs in vascular diseases characterized by atherosclerosis, plaque rupture, thrombosis, calcification, aneurysm, restenosis/in-stent-restenosis, and neovasel formation. Circulating and tissue CTSs are promising as biomarkers and as a diagnostic imaging tool in patients with atherosclerosis-based cardiovascular disease (ACVD), and pharmacological interventions with their specific and non-specific inhibitors, and cardiovascular drugs might have potential for the therapeutic targeting of CTSs in animals. This review focuses on the update findings on CTS biology and the involvement of CTSs in the initiation and progression of ACVD and discusses the potential use of CTSs as biomarkers and small-molecule targets to prevent deleterious nontraditional functions in ACVD.
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Affiliation(s)
- Xian Wu Cheng
- Department of Cardiology and Hypertension, Yanbian University Hospital, 1327 Juzijie, Yanjin, Jilin, 133000, People's Republic of China.
- Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital, Yanjin, 133000, Jilin, People's Republic of China.
- Department of Cardiology and Hypertension, Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital, 1327 Juzijie, Yanji, Jilin PR. 133000, China.
| | - Megumi Narisawa
- Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Aichiken, 4668550, Japan
| | - Hailong Wang
- Department of Cardiology and Hypertension, Yanbian University Hospital, 1327 Juzijie, Yanjin, Jilin, 133000, People's Republic of China
- Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital, Yanjin, 133000, Jilin, People's Republic of China
| | - Limei Piao
- Department of Cardiology and Hypertension, Yanbian University Hospital, 1327 Juzijie, Yanjin, Jilin, 133000, People's Republic of China
- Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital, Yanjin, 133000, Jilin, People's Republic of China
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8
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Li QL, Tang J, Zhao L, Ruze A, Shan XF, Gao XM. The role of CD74 in cardiovascular disease. Front Cardiovasc Med 2023; 9:1049143. [PMID: 36712241 PMCID: PMC9877307 DOI: 10.3389/fcvm.2022.1049143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 12/21/2022] [Indexed: 01/15/2023] Open
Abstract
Leukocyte differentiation antigen 74 (CD74), also known as invariant chain, is a molecular chaperone of major histocompatibility complex class II (MHC II) molecules involved in antigen presentation. CD74 has recently been shown to be a receptor for the macrophage migration inhibitory factor family proteins (MIF/MIF2). Many studies have revealed that CD74 plays an important role in cardiovascular disease. In this review, we summarize the structure and main functions of CD74 and then focus on the recent research progress on the role of CD74 in cardiovascular diseases. In addition, we also discuss potential treatment strategies that target CD74. Our systematic review of the role of CD74 in cardiovascular disease will fill some knowledge gaps in the field.
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Affiliation(s)
- Qiu-Lin Li
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asian, Department of Cardiology, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, China,Xinjiang Key Laboratory of Medical Animal Model Research, Ürümqi, China
| | - Jing Tang
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asian, Department of Cardiology, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, China,Xinjiang Key Laboratory of Medical Animal Model Research, Ürümqi, China,Department of Clinical Laboratory, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, China
| | - Ling Zhao
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asian, Department of Cardiology, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, China,Xinjiang Key Laboratory of Medical Animal Model Research, Ürümqi, China
| | - Amanguli Ruze
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asian, Department of Cardiology, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, China,Xinjiang Key Laboratory of Medical Animal Model Research, Ürümqi, China
| | - Xue-Feng Shan
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asian, Department of Cardiology, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, China,Xinjiang Key Laboratory of Medical Animal Model Research, Ürümqi, China
| | - Xiao-Ming Gao
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asian, Department of Cardiology, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, China,Xinjiang Key Laboratory of Medical Animal Model Research, Ürümqi, China,Clinical Medical Research Institute of Xinjiang Medical University, Ürümqi, China,*Correspondence: Xiao-Ming Gao,
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9
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Tian Y, Liu S, Zhang Y, Yang J, Guo P, Zhang H, Yu X, Zou T. Immune infiltration and immunophenotyping in atrial fibrillation. Aging (Albany NY) 2023; 15:213-229. [PMID: 36602538 PMCID: PMC9876632 DOI: 10.18632/aging.204470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 12/20/2022] [Indexed: 01/05/2023]
Abstract
Atrial fibrillation (AF) is a relatively common arrhythmia in clinical practice. Although significant progress has been achieved in the treatment of AF and its associated complications, research on AF prevention lags behind, mainly due to the lack of a deep understanding of AF pathogenesis. In recent years, as our knowledge has grown, the role of the inflammatory/immune response in the occurrence and progression of AF has gradually gained attention. In this paper, based on existing gene expression data in the Gene Expression Omnibus database, a detailed description of immune infiltration status in AF is presented using a series of analytical methods, including differential analysis, Gene Ontology categorization, Kyoto Encyclopedia of Genes and Genomes enrichment analysis, and weighted gene coexpression network analysis, and analysis tools such as CIBERSORTx and Cytoscape. Several new AF/immune infiltrations-related signature genes were identified, and the AF/immune infiltration pathology was classified based on these immune signature genes, thus providing novel insights into the pathogenesis of AF based on the inflammatory response.
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Affiliation(s)
- Yuqing Tian
- Department of Cardiology, Affiliated Hospital of Panzhihua University, Panzhihua 617000, Sichuan, P.R. China
- Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, P.R. China
| | - Shiying Liu
- Department of Plastic Surgery, Affiliated Hospital of Panzhihua University, Panzhihua 617000, Sichuan, P.R. China
| | - Yanan Zhang
- Department of Critical Care Medicine, The Affiliated Hospital of Qingdao University, Qingdao 266000, Shandong, P.R. China
| | - Jiefu Yang
- Department of Cardiology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Science, Beijing 100730, P.R. China
| | - Peiyao Guo
- Department of Cardiology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Science, Beijing 100730, P.R. China
- Peking University Fifth School of Clinical Medicine, Beijing Hospital, Beijing 100730, P.R. China
| | - Hongchao Zhang
- Department of Cardiology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Science, Beijing 100730, P.R. China
| | - Xue Yu
- Department of Cardiology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Science, Beijing 100730, P.R. China
| | - Tong Zou
- Department of Cardiology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Science, Beijing 100730, P.R. China
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10
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Biasizzo M, Javoršek U, Vidak E, Zarić M, Turk B. Cysteine cathepsins: A long and winding road towards clinics. Mol Aspects Med 2022; 88:101150. [PMID: 36283280 DOI: 10.1016/j.mam.2022.101150] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 10/13/2022] [Accepted: 10/14/2022] [Indexed: 12/03/2022]
Abstract
Biomedical research often focuses on properties that differentiate between diseased and healthy tissue; one of the current focuses is elevated expression and altered localisation of proteases. Among these proteases, dysregulation of cysteine cathepsins can frequently be observed in inflammation-associated diseases, which tips the functional balance from normal physiological to pathological manifestations. Their overexpression and secretion regularly exhibit a strong correlation with the development and progression of such diseases, making them attractive pharmacological targets. But beyond their mostly detrimental role in inflammation-associated diseases, cysteine cathepsins are physiologically highly important enzymes involved in various biological processes crucial for maintaining homeostasis and responding to different stimuli. Consequently, several challenges have emerged during the efforts made to translate basic research data into clinical applications. In this review, we present both physiological and pathological roles of cysteine cathepsins and discuss the clinical potential of cysteine cathepsin-targeting strategies for disease management and diagnosis.
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Affiliation(s)
- Monika Biasizzo
- Jozef Stefan Institute, Department of Biochemistry and Molecular and Structural Biology, Jamova 39, SI-1000, Ljubljana, Slovenia; International Postgraduate School Jozef Stefan, Jamova 39, SI-1000, Ljubljana, Slovenia
| | - Urban Javoršek
- Jozef Stefan Institute, Department of Biochemistry and Molecular and Structural Biology, Jamova 39, SI-1000, Ljubljana, Slovenia; International Postgraduate School Jozef Stefan, Jamova 39, SI-1000, Ljubljana, Slovenia
| | - Eva Vidak
- Jozef Stefan Institute, Department of Biochemistry and Molecular and Structural Biology, Jamova 39, SI-1000, Ljubljana, Slovenia; International Postgraduate School Jozef Stefan, Jamova 39, SI-1000, Ljubljana, Slovenia
| | - Miki Zarić
- Jozef Stefan Institute, Department of Biochemistry and Molecular and Structural Biology, Jamova 39, SI-1000, Ljubljana, Slovenia; International Postgraduate School Jozef Stefan, Jamova 39, SI-1000, Ljubljana, Slovenia
| | - Boris Turk
- Jozef Stefan Institute, Department of Biochemistry and Molecular and Structural Biology, Jamova 39, SI-1000, Ljubljana, Slovenia; Faculty of Chemistry and Chemical Technology, University of Ljubljana, Vecna pot 113, SI-1000, Ljubljana, Slovenia.
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11
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Huertas J, Lee HT. Multi‑faceted roles of cathepsins in ischemia reperfusion injury (Review). Mol Med Rep 2022; 26:368. [PMID: 36300202 PMCID: PMC9644425 DOI: 10.3892/mmr.2022.12885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 10/06/2022] [Indexed: 11/05/2022] Open
Abstract
Cathepsins are one of the most abundant proteases within the lysosomes with diverse physiological effects ranging from immune responses, cell death and intracellular protein degradation. Cathepsins are involved in extracellular and systemic functions such as systemic inflammation and extracellular matrix degradation. Ischemia reperfusion (IR) injury is responsible for numerous diseases including myocardial infarction, acute kidney injury, stroke and acute graft failure after transplant surgery. Inflammation plays a major role in the reperfusion phase of IR injury and previous research has shown that cathepsins are key mediators of the inflammation cascade as well as apoptosis. Taken together, cathepsins modulation could provide potential therapeutic approaches to attenuate IR injury. The present review summarized the current understanding of various cathepsin subtypes, their major physiologic functions, their roles in multi‑organ IR injury and detailed selective cathepsin inhibitors with therapeutic potential.
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Affiliation(s)
- Jaime Huertas
- Department of Anesthesiology, College of Physicians and Surgeons of Columbia University, New York, NY 10032-3784, USA
| | - H. Thomas Lee
- Department of Anesthesiology, College of Physicians and Surgeons of Columbia University, New York, NY 10032-3784, USA
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12
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Chen JY, Wu YP, Li CY, Jheng HF, Kao LZ, Yang CC, Leu SY, Lien IC, Weng WT, Tai HC, Chiou YW, Tang MJ, Tsai PJ, Tsai YS. PPARγ activation improves the microenvironment of perivascular adipose tissue and attenuates aortic stiffening in obesity. J Biomed Sci 2021; 28:22. [PMID: 33781257 PMCID: PMC8008548 DOI: 10.1186/s12929-021-00720-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Accepted: 03/24/2021] [Indexed: 12/15/2022] Open
Abstract
Background Obesity-related cardiovascular risk, end points, and mortality are strongly related to arterial stiffening. Current therapeutic approaches for arterial stiffening are not focused on direct targeting within the vessel. Perivascular adipose tissue (PVAT) surrounding the artery has been shown to modulate vascular function and inflammation. Peroxisome proliferator-activated receptor γ (PPARγ) activation significantly decreases arterial stiffness and inflammation in diabetic patients with coronary artery disease. Thus, we hypothesized that PPARγ activation alters the PVAT microenvironment, thereby creating a favorable environment for the attenuation of arterial stiffening in obesity. Methods Obese ob/ob mice were used to investigate the effect of PPARγ activation on the attenuation of arterial stiffening. Various cell types, including macrophages, fibroblasts, adipocytes, and vascular smooth muscle cells, were used to test the inhibitory effect of pioglitazone, a PPARγ agonist, on the expression of elastolytic enzymes. Results PPARγ activation by pioglitazone effectively attenuated arterial stiffening in ob/ob mice. This beneficial effect was not associated with the repartitioning of fat from or changes in the browning of the PVAT depot but was strongly related to improvement of the PVAT microenvironment, as evidenced by reduction in the expression of pro-inflammatory and pro-oxidative factors. Pioglitazone treatment attenuated obesity-induced elastin fiber fragmentation and elastolytic activity and ameliorated the obesity-induced upregulation of cathepsin S and metalloproteinase 12, predominantly in the PVAT. In vitro, pioglitazone downregulated Ctss and Mmp12 in macrophages, fibroblasts, and adipocytes—cell types residing within the adventitia and PVAT. Ultimately, several PPARγ binding sites were found in Ctss and Mmp12 in Raw 264.7 and 3T3-L1 cells, suggesting a direct regulatory mechanism by which PPARγ activation repressed the expression of Ctss and Mmp-12 in macrophages and fibroblasts. Conclusions PPARγ activation attenuated obesity-induced arterial stiffening and reduced the inflammatory and oxidative status of PVAT. The improvement of the PVAT microenvironment further contributed to the amelioration of elastin fiber fragmentation, elastolytic activity, and upregulated expression of Ctss and Mmp12. Our data highlight the PVAT microenvironment as an important target against arterial stiffening in obesity and provide a novel strategy for the potential clinical use of PPARγ agonists as a therapeutic against arterial stiffness through modulation of PVAT function. Supplementary Information The online version contains supplementary material available at 10.1186/s12929-021-00720-y.
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Affiliation(s)
- Ju-Yi Chen
- Division of Cardiology, Department of Internal Medicine, National Cheng Kung University Hospital, Tainan, Taiwan, ROC
| | - Yi-Pin Wu
- Division of Cardiology, Department of Internal Medicine, National Cheng Kung University Hospital, Tainan, Taiwan, ROC.,Institute of Clinical Medicine, National Cheng Kung University, Tainan, Taiwan, ROC
| | - Chih-Yi Li
- Institute of Clinical Medicine, National Cheng Kung University, Tainan, Taiwan, ROC
| | - Huei-Fen Jheng
- Institute of Clinical Medicine, National Cheng Kung University, Tainan, Taiwan, ROC.,Research and Development Division, National Laboratory Animal Center, National Applied Research Laboratories, Taipei, Taiwan, ROC
| | - Ling-Zhen Kao
- Institute of Clinical Medicine, National Cheng Kung University, Tainan, Taiwan, ROC
| | - Ching-Chun Yang
- Institute of Clinical Medicine, National Cheng Kung University, Tainan, Taiwan, ROC
| | - Sy-Ying Leu
- Institute of Clinical Medicine, National Cheng Kung University, Tainan, Taiwan, ROC
| | - I-Chia Lien
- Institute of Clinical Medicine, National Cheng Kung University, Tainan, Taiwan, ROC
| | - Wen-Tsan Weng
- Institute of Clinical Medicine, National Cheng Kung University, Tainan, Taiwan, ROC
| | - Haw-Chih Tai
- Institute of Clinical Medicine, National Cheng Kung University, Tainan, Taiwan, ROC
| | - Yu-Wei Chiou
- Department of Physiology, National Cheng Kung University, Tainan, Taiwan, ROC.,International Center for Wound Repair and Regeneration, National Cheng Kung University, Tainan, Taiwan, ROC
| | - Ming-Jer Tang
- Department of Physiology, National Cheng Kung University, Tainan, Taiwan, ROC.,International Center for Wound Repair and Regeneration, National Cheng Kung University, Tainan, Taiwan, ROC
| | - Pei-Jane Tsai
- Department of Medical Laboratory Science and Biotechnology, National Cheng Kung University, Tainan, Taiwan, ROC
| | - Yau-Sheng Tsai
- Institute of Clinical Medicine, National Cheng Kung University, Tainan, Taiwan, ROC. .,Department of Physiology, National Cheng Kung University, Tainan, Taiwan, ROC. .,International Center for Wound Repair and Regeneration, National Cheng Kung University, Tainan, Taiwan, ROC. .,Center of Clinical Medicine Research, National Cheng Kung University Hospital, Tainan, Taiwan, ROC.
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13
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Jing Y, Shi J, Lu B, Zhang W, Yang Y, Wen J, Hu R, Yang Z, Wang X. Association of Circulating Cathepsin S and Cardiovascular Disease Among Patients With Type 2 Diabetes: A Cross-Sectional Community-Based Study. Front Endocrinol (Lausanne) 2021; 12:615913. [PMID: 33746900 PMCID: PMC7973458 DOI: 10.3389/fendo.2021.615913] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Accepted: 02/01/2021] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Cathepsin S, as an adipokine, was reported to play a critical role in various disease, including atherosclerosis and diabetes. The present study aims to elucidate the relationship between circulating cathepsin S and cardiovascular disease (CVD) in patients with type 2 diabetes. METHODS A total of 339 type 2 diabetes individuals were enrolled in this cross-sectional community-based study. Basic information, medical and laboratory data were collected. Serum cathepsin S levels were assessed by ELISA. RESULTS Compared to the CVD (-) group, levels of serum cathepsin S were significantly higher in the CVD (+) group, with the median 23.68 ng/ml (18.54-28.02) and 26.81 ng/ml (21.19-37.69) respectively (P < 0.001). Moreover, patients with acute coronary syndrome (ACS) had substantially higher levels of serum cathepsin S than those with stable angina pectoris (SAP), with the median 34.65 ng/ml (24.33-42.83) and 25.52 ng/ml (20.53-31.47) respectively (P < 0.01). The spearman correlation analysis showed that circulating cathepsin S was correlated with several cardiovascular risk factors. The univariate and multivariate logistic regression analysis revealed that circulating cathepsin S was an independent risk factor for CVD (all P < 0.001) after adjustment for potential confounders. Restricted cubic spline analysis showed circulating cathepsin S had a linearity association with CVD. In addition, receiver operating characteristic (ROC) curve analysis demonstrated that the area under curve (AUC) values of cathepsin S was 0.80 (95% CI: 0.75-0.84, P < 0.001), with the optimal cutoff value of cathepsin 26.28 ng/ml. CONCLUSION Circulating cathepsin S was significantly higher in the CVD (+) group than that in the CVD (-) one among type 2 diabetes. The increased serum cathepsin S levels were associated with increased risks of CVD, even after adjusting for potential confounders. Thus, cathepsin S might be a potential diagnostic biomarker for CVD.
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Affiliation(s)
- Yu Jing
- Department of Endocrinology, Huashan Hospital, Fudan University, Shanghai, China
| | - Jie Shi
- Department of Endocrinology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Bin Lu
- Department of Endocrinology, Huashan Hospital, Fudan University, Shanghai, China
| | - Weiwei Zhang
- Department of Endocrinology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Yehong Yang
- Department of Endocrinology, Huashan Hospital, Fudan University, Shanghai, China
| | - Jie Wen
- Department of Endocrinology, Huashan Hospital, Fudan University, Shanghai, China
| | - Renming Hu
- Department of Endocrinology, Huashan Hospital, Fudan University, Shanghai, China
| | - Zhen Yang
- Department of Endocrinology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- *Correspondence: Zhen Yang, ; Xuanchun Wang,
| | - Xuanchun Wang
- Department of Endocrinology, Huashan Hospital, Fudan University, Shanghai, China
- *Correspondence: Zhen Yang, ; Xuanchun Wang,
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14
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Eosinophils improve cardiac function after myocardial infarction. Nat Commun 2020; 11:6396. [PMID: 33328477 PMCID: PMC7745020 DOI: 10.1038/s41467-020-19297-5] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 10/07/2020] [Indexed: 02/06/2023] Open
Abstract
Clinical studies reveal changes in blood eosinophil counts and eosinophil cationic proteins that may serve as risk factors for human coronary heart diseases. Here we report an increase of blood or heart eosinophil counts in humans and mice after myocardial infarction (MI), mostly in the infarct region. Genetic or inducible depletion of eosinophils exacerbates cardiac dysfunction, cell death, and fibrosis post-MI, with concurrent acute increase of heart and chronic increase of splenic neutrophils and monocytes. Mechanistic studies reveal roles of eosinophil IL4 and cationic protein mEar1 in blocking H2O2- and hypoxia-induced mouse and human cardiomyocyte death, TGF-β-induced cardiac fibroblast Smad2/3 activation, and TNF-α-induced neutrophil adhesion on the heart endothelial cell monolayer. In vitro-cultured eosinophils from WT mice or recombinant mEar1 protein, but not eosinophils from IL4-deficient mice, effectively correct exacerbated cardiac dysfunctions in eosinophil-deficient ∆dblGATA mice. This study establishes a cardioprotective role of eosinophils in post-MI hearts. Blood eosinophil (EOS) counts may serve as risk factors for human coronary heart diseases. Here the authors show that increased circulating and myocardial EOS after myocardial infarction play a cardioprotective role by reducing cardiomyocyte death, cardiac fibroblast activation and fibrosis, and endothelium activation-mediated inflammatory cell accumulation.
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15
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O'Toole D, Zaeri AAI, Nicklin SA, French AT, Loughrey CM, Martin TP. Signalling pathways linking cysteine cathepsins to adverse cardiac remodelling. Cell Signal 2020; 76:109770. [PMID: 32891693 DOI: 10.1016/j.cellsig.2020.109770] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 08/27/2020] [Accepted: 08/31/2020] [Indexed: 12/12/2022]
Abstract
Adverse cardiac remodelling clinically manifests as deleterious changes to heart architecture (size, mass and geometry) and function. These changes, which include alterations to ventricular wall thickness, chamber dilation and poor contractility, are important because they progressively drive patients with cardiac disease towards heart failure and are associated with poor prognosis. Cysteine cathepsins contribute to key signalling pathways involved in adverse cardiac remodelling including synthesis and degradation of the cardiac extracellular matrix (ECM), cardiomyocyte hypertrophy, impaired cardiomyocyte contractility and apoptosis. In this review, we highlight the role of cathepsins in these signalling pathways as well as their translational potential as therapeutic targets in cardiac disease.
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Affiliation(s)
- Dylan O'Toole
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular & Medical Sciences, University of Glasgow, UK
| | - Ali Abdullah I Zaeri
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular & Medical Sciences, University of Glasgow, UK
| | - Stuart A Nicklin
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular & Medical Sciences, University of Glasgow, UK
| | - Anne T French
- Clinical Sciences Department, Ross University School of Veterinary Medicine, Basseterre, St. Kitts, West Indies, Saint Kitts and Nevis
| | - Christopher M Loughrey
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular & Medical Sciences, University of Glasgow, UK.
| | - Tamara P Martin
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular & Medical Sciences, University of Glasgow, UK.
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16
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Peng K, Liu H, Yan B, Meng XW, Song SY, Ji FH, Xia Z. Inhibition of cathepsin S attenuates myocardial ischemia/reperfusion injury by suppressing inflammation and apoptosis. J Cell Physiol 2020; 236:1309-1320. [PMID: 32657442 DOI: 10.1002/jcp.29938] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 06/16/2020] [Accepted: 07/02/2020] [Indexed: 12/17/2022]
Abstract
Myocardial ischemia/reperfusion (I/R) injury leads to high mortality and morbidity due to the incomplete understanding of the underlying mechanism and the consequent lack of effective therapy. The present study revealed and validated key candidate genes in relation to inflammation and apoptosis pathways underlying myocardial I/R injury. Cathepsin S was identified as the top hub protein based on the protein-protein interaction analysis, and, thus, its role during myocardial I/R injury was further investigated. Myocardial I/R in mice resulted in significantly increased levels of myocardial injury biomarkers (cardiac troponin I, lactic dehydrogenase, and creatinine kinase-MB) and inflammatory cytokines (interleukin-1β [IL-1β], IL-6, and tumor necrosis factor-α), elevated apoptosis rate, and upregulated protein expression of cleaved caspase-8, cleaved caspase-3, and cleaved poly ADP-ribose polymerase. These abovementioned changes were blocked by two different selective cathepsin S inhibitors, LY3000328 or MIV-247. Moreover, Kaplan-Meier survival plot showed that cathepsin S inhibition improved 21-day survival rate following myocardial I/R injury. This study demonstrated that the inhibition of cathepsin S alleviated myocardial I/R-induced injury by suppressing inflammation and apoptosis, which may be used in clinical applications of cardioprotection.
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Affiliation(s)
- Ke Peng
- Department of Anesthesiology, First Affiliated Hospital of Soochow University, Suzhou, China
| | - Hong Liu
- Department of Anesthesiology and Pain Medicine, University of California Davis Health, Sacramento, California
| | - Bin Yan
- Department of Intervention and Cell Therapy, Peking University Shenzhen Hospital, Shenzhen, China.,Department of Computer Science, The University of Hong Kong, Pokfulam, Hong Kong
| | - Xiao-Wen Meng
- Department of Anesthesiology, First Affiliated Hospital of Soochow University, Suzhou, China
| | - Shao-Yong Song
- Department of Anesthesiology, First Affiliated Hospital of Soochow University, Suzhou, China
| | - Fu-Hai Ji
- Department of Anesthesiology, First Affiliated Hospital of Soochow University, Suzhou, China
| | - Zhengyuan Xia
- Department of Anesthesiology and Pain Medicine, University of California Davis Health, Sacramento, California.,Department of Anesthesiology, The University of Hong Kong, Pokfulam, Hong Kong
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17
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Ni H, Xu S, Chen H, Dai Q. Nicotine Modulates CTSS (Cathepsin S) Synthesis and Secretion Through Regulating the Autophagy-Lysosomal Machinery in Atherosclerosis. Arterioscler Thromb Vasc Biol 2020; 40:2054-2069. [PMID: 32640907 DOI: 10.1161/atvbaha.120.314053] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
OBJECTIVE Increased CTSS (cathepsin S) has been reported to play a critical role in atherosclerosis progression. Both CTSS synthesis and secretion are essential for exerting its functions. However, the underlying mechanisms contributing to CTSS synthesis and secretion in atherosclerosis remain unclear. Approach and Results: In this study, we showed that nicotine activated autophagy and upregulated CTSS expression in vascular smooth muscle cells and in atherosclerotic plaques. Western blotting and immunofluorescent staining showed that nicotine inhibited the mTORC1 (mammalian target of rapamycin complex 1) activity, promoted the nuclear translocation of TFEB (transcription factor EB), and upregulated the expression of CTSS. Chromatin immunoprecipitation-qualificative polymerase chain reaction, electrophoretic mobility shift assay, and luciferase reporter assay further demonstrated that TFEB directly bound to the CTSS promoter. mTORC1 inhibition by nicotine or rapamycin promoted lysosomal exocytosis and CTSS secretion. Live cell assays and IP-MS (immunoprecipitation-mass spectrometry) identified that the interactions involving Rab10 (Rab10, member RAS oncogene family) and mTORC1 control CTSS secretion. Nicotine promoted vascular smooth muscle cell migration by upregulating CTSS, and CTSS inhibition suppressed nicotine-induced atherosclerosis in vivo. CONCLUSIONS We concluded that nicotine mediates CTSS synthesis and secretion through regulating the autophagy-lysosomal machinery, which offers a potential therapeutic target for atherosclerosis treatment.
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Affiliation(s)
- Huaner Ni
- From the Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, China
| | - Shuang Xu
- From the Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, China
| | - Hangwei Chen
- From the Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, China
| | - Qiuyan Dai
- From the Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, China
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18
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Brown R, Nath S, Lora A, Samaha G, Elgamal Z, Kaiser R, Taggart C, Weldon S, Geraghty P. Cathepsin S: investigating an old player in lung disease pathogenesis, comorbidities, and potential therapeutics. Respir Res 2020; 21:111. [PMID: 32398133 PMCID: PMC7216426 DOI: 10.1186/s12931-020-01381-5] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 05/01/2020] [Indexed: 12/13/2022] Open
Abstract
Dysregulated expression and activity of cathepsin S (CTSS), a lysosomal protease and a member of the cysteine cathepsin protease family, is linked to the pathogenesis of multiple diseases, including a number of conditions affecting the lungs. Extracellular CTSS has potent elastase activity and by processing cytokines and host defense proteins, it also plays a role in the regulation of inflammation. CTSS has also been linked to G-coupled protein receptor activation and possesses an important intracellular role in major histocompatibility complex class II antigen presentation. Modulated CTSS activity is also associated with pulmonary disease comorbidities, such as cancer, cardiovascular disease, and diabetes. CTSS is expressed in a wide variety of immune cells and is biologically active at neutral pH. Herein, we review the significance of CTSS signaling in pulmonary diseases and associated comorbidities. We also discuss CTSS as a plausible therapeutic target and describe recent and current clinical trials examining CTSS inhibition as a means for treatment.
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Affiliation(s)
- Ryan Brown
- Airway Innate Immunity Research (AiiR) Group, Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast, Belfast, Northern Ireland, UK
| | - Sridesh Nath
- Division of Pulmonary & Critical Care Medicine, Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA
| | - Alnardo Lora
- Division of Pulmonary & Critical Care Medicine, Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA
| | - Ghassan Samaha
- Division of Pulmonary & Critical Care Medicine, Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA
| | - Ziyad Elgamal
- Division of Pulmonary & Critical Care Medicine, Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA
| | - Ryan Kaiser
- Division of Pulmonary & Critical Care Medicine, Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA
| | - Clifford Taggart
- Airway Innate Immunity Research (AiiR) Group, Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast, Belfast, Northern Ireland, UK
| | - Sinéad Weldon
- Airway Innate Immunity Research (AiiR) Group, Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast, Belfast, Northern Ireland, UK
| | - Patrick Geraghty
- Division of Pulmonary & Critical Care Medicine, Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA.
- Department of Cell Biology, State University of New York Downstate Medical Centre, Brooklyn, NY, USA.
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19
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Ricci C, De Leo A, Dika E, Lambertini M, Veronesi G, Corti B. Could cathepsin-k be a driver of the myofibroblastic differentiation observed in dermatofibroma, atypical fibroxanthoma and pleomorphic dermal sarcoma? Acta Histochem 2020; 122:151498. [PMID: 31889532 DOI: 10.1016/j.acthis.2019.151498] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Revised: 12/13/2019] [Accepted: 12/16/2019] [Indexed: 12/26/2022]
Abstract
Dermatofibroma (BFH), atypical fibroxanthoma (AFX) and dermal pleomorphic sarcoma (DPS) are skin-based soft-tissue neoplasms of uncertain lineage. They are classified as "fibrohistiocytic" neoplasms, even if the World Health Organization stated that this term connotes a polymorphic group of lesions that histologically resemble fibroblasts and histiocytes. It is well-known that this group of lesions shows a "fibro-histiocytic-dendritic" and/or a "myofibroblastic" phenotype, even within the same lesion. We studied the expression of cathepsin-k in 34 cases (25 BFH, 5 AFX, 4 DPS) with a broad panel of antibodies. 20 cases (5 dermatofibrosarcoma protuberans, 5 melanomas, 5 basal cell carcinomas, 5 squamous cell carcinomas) were chosen as controls. Although our results need to be validated, they support a myofibroblastic and/or partial myofibroblastic ("proto-myofibroblastic") phenotype and the lineage-plasticity of these neoplasms, highlighting the potential role of cathepsin-k in myofibroblastic trans-differentiation. Cathepsin-k proved to be an additional immunoistochemical marker potentially useful in the diagnostic algorithm.
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Affiliation(s)
- Costantino Ricci
- Pathology Unit, S. Orsola Malpighi Hospital, Bologna University, Bologna, Italy
| | - Antonio De Leo
- Pathology Unit, S. Orsola Malpighi Hospital, Bologna University, Bologna, Italy
| | - Emi Dika
- Dermatology, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Italy
| | - Martina Lambertini
- Dermatology, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Italy.
| | - Giulia Veronesi
- Dermatology, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Italy
| | - Barbara Corti
- Pathology Unit, S. Orsola Malpighi Hospital, Bologna University, Bologna, Italy
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20
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Zhang X, Luo S, Wang M, Shi GP. Cysteinyl cathepsins in cardiovascular diseases. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2020; 1868:140360. [PMID: 31926332 DOI: 10.1016/j.bbapap.2020.140360] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Revised: 01/02/2020] [Accepted: 01/03/2020] [Indexed: 12/24/2022]
Abstract
Cysteinyl cathepsins are lysosomal/endosomal proteases that mediate bulk protein degradation in these intracellular acidic compartments. Yet, studies indicate that these proteases also appear in the nucleus, nuclear membrane, cytosol, plasma membrane, and extracellular space. Patients with cardiovascular diseases (CVD) show increased levels of cathepsins in the heart, aorta, and plasma. Plasma cathepsins often serve as biomarkers or risk factors of CVD. In aortic diseases, such as atherosclerosis and abdominal aneurysms, cathepsins play pathogenic roles, but many of the same cathepsins are cardioprotective in hypertensive, hypertrophic, and infarcted hearts. During the development of CVD, cathepsins are regulated by inflammatory cytokines, growth factors, hypertensive stimuli, oxidative stress, and many others. Cathepsin activities in inflammatory molecule activation, immunity, cell migration, cholesterol metabolism, neovascularization, cell death, cell signaling, and tissue fibrosis all contribute to CVD and are reviewed in this article in memory of Dr. Nobuhiko Katunuma for his contribution to the field.
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Affiliation(s)
- Xian Zhang
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115
| | - Songyuan Luo
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115
| | - Minjie Wang
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115
| | - Guo-Ping Shi
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115.
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21
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Cuvelliez M, Vandewalle V, Brunin M, Beseme O, Hulot A, de Groote P, Amouyel P, Bauters C, Marot G, Pinet F. Circulating proteomic signature of early death in heart failure patients with reduced ejection fraction. Sci Rep 2019; 9:19202. [PMID: 31844116 PMCID: PMC6914779 DOI: 10.1038/s41598-019-55727-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Accepted: 12/03/2019] [Indexed: 12/11/2022] Open
Abstract
Heart failure (HF) remains a main cause of mortality worldwide. Risk stratification of patients with systolic chronic HF is critical to identify those who may benefit from advanced HF therapies. The aim of this study is to identify plasmatic proteins that could predict the early death (within 3 years) of HF patients with reduced ejection fraction hospitalized in CHRU de Lille. The subproteome targeted by an aptamer-based technology, the Slow Off-rate Modified Aptamer (SOMA) scan assay of 1310 proteins, was profiled in blood samples from 168 HF patients, and 203 proteins were significantly modulated between patients who died of cardiovascular death and patients who were alive after 3 years of HF evaluation (Wilcoxon test, FDR 5%). A molecular network was built using these 203 proteins, and the resulting network contained 2281 molecules assigned to 34 clusters annotated to biological pathways by Gene Ontology. This network model highlighted extracellular matrix organization as the main mechanism involved in early death in HF patients. In parallel, an adaptive Least Absolute Shrinkage and Selection Operator (LASSO) was performed on these 203 proteins, and six proteins were selected as candidates to predict early death in HF patients: complement C3, cathepsin S and F107B were decreased and MAPK5, MMP1 and MMP7 increased in patients who died of cardiovascular causes compared with patients living 3 years after HF evaluation. This proteomic signature of 6 circulating plasma proteins allows the identification of systolic HF patients with a risk of early death.
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Affiliation(s)
- Marie Cuvelliez
- Univ. Lille, CHU Lille, Inserm, Institut Pasteur de Lille, U1167 - RID-AGE - Facteurs de risque et déterminants moléculaires des maladies liées au vieillissement, F-59000, Lille, France.,FHU REMOD-HF, Lille, France
| | - Vincent Vandewalle
- Univ. Lille, CHU Lille, Inria Lille Nord-Europe, EA2694 - MODAL - MOdels for Data Analysis and Learning, F-59000, Lille, France.,Univ. Lille, « Institut Français de Bioinformatique », « Billille- plateforme de bioinformatique et bioanalyse de Lille », F-59000, Lille, France
| | - Maxime Brunin
- Univ. Lille, « Institut Français de Bioinformatique », « Billille- plateforme de bioinformatique et bioanalyse de Lille », F-59000, Lille, France
| | - Olivia Beseme
- Univ. Lille, CHU Lille, Inserm, Institut Pasteur de Lille, U1167 - RID-AGE - Facteurs de risque et déterminants moléculaires des maladies liées au vieillissement, F-59000, Lille, France.,FHU REMOD-HF, Lille, France
| | - Audrey Hulot
- Univ. Lille, « Institut Français de Bioinformatique », « Billille- plateforme de bioinformatique et bioanalyse de Lille », F-59000, Lille, France
| | - Pascal de Groote
- Univ. Lille, CHU Lille, Inserm, Institut Pasteur de Lille, U1167 - RID-AGE - Facteurs de risque et déterminants moléculaires des maladies liées au vieillissement, F-59000, Lille, France.,FHU REMOD-HF, Lille, France
| | - Philippe Amouyel
- Univ. Lille, CHU Lille, Inserm, Institut Pasteur de Lille, U1167 - RID-AGE - Facteurs de risque et déterminants moléculaires des maladies liées au vieillissement, F-59000, Lille, France
| | - Christophe Bauters
- Univ. Lille, CHU Lille, Inserm, Institut Pasteur de Lille, U1167 - RID-AGE - Facteurs de risque et déterminants moléculaires des maladies liées au vieillissement, F-59000, Lille, France.,FHU REMOD-HF, Lille, France
| | - Guillemette Marot
- Univ. Lille, CHU Lille, Inria Lille Nord-Europe, EA2694 - MODAL - MOdels for Data Analysis and Learning, F-59000, Lille, France.,Univ. Lille, « Institut Français de Bioinformatique », « Billille- plateforme de bioinformatique et bioanalyse de Lille », F-59000, Lille, France
| | - Florence Pinet
- Univ. Lille, CHU Lille, Inserm, Institut Pasteur de Lille, U1167 - RID-AGE - Facteurs de risque et déterminants moléculaires des maladies liées au vieillissement, F-59000, Lille, France. .,FHU REMOD-HF, Lille, France.
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22
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Lin HH, Chen SJ, Shen MR, Huang YT, Hsieh HP, Lin SY, Lin CC, Chang WSW, Chang JY. Lysosomal cysteine protease cathepsin S is involved in cancer cell motility by regulating store-operated Ca2+ entry. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2019; 1866:118517. [DOI: 10.1016/j.bbamcr.2019.07.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 07/09/2019] [Accepted: 07/18/2019] [Indexed: 12/27/2022]
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23
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Zhang X, Zhou Y, Yu X, Huang Q, Fang W, Li J, Bonventre JV, Sukhova GK, Libby P, Shi GP. Differential Roles of Cysteinyl Cathepsins in TGF-β Signaling and Tissue Fibrosis. iScience 2019; 19:607-622. [PMID: 31446224 PMCID: PMC6715892 DOI: 10.1016/j.isci.2019.08.014] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 06/11/2019] [Accepted: 08/06/2019] [Indexed: 01/04/2023] Open
Abstract
Transforming growth factor beta (TGF-β) signaling contributes to tissue fibrosis. Here we demonstrate that TGF-β enhances CatS and CatK expression but reduces CatB and CatL expression in mouse kidney tubular epithelial cells (TECs). CatS- and CatK deficiency reduces TEC nuclear membrane importer importin-β expression, Smad-2/3 activation, and extracellular matrix (ECM) production. Yet CatB- and CatL-deficiency displays the opposite observations with reduced nuclear membrane exporter RanBP3 expression. CatS and CatK form immunocomplexes with the importin-β and RanBP3 more effectively than do CatB and CatL. On the plasma membrane, CatS and CatK preferentially form immunocomplexes with and activate TGF-β receptor-2, whereas CatB and CatL form immunocomplexes with and inactivate TGF-β receptor-1. Unilateral ureteral obstruction-induced renal injury tests differential cathepsin activities in TGF-β signaling and tissue fibrosis. CatB- or CatL-deficiency exacerbates fibrosis, whereas CatS- or CatK-deficiency protects kidneys from fibrosis. These cathepsins exert different effects in the TGF-β signaling cascade independent of their proteolytic properties.
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Affiliation(s)
- Xian Zhang
- Department of Medicine, Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, 77 Avenue Louis Pasteur, NRB-7, Boston, MA 02115, USA; School of Food & Biological Engineering, Hefei University of Technology, Hefei 230009, China
| | - Yi Zhou
- Department of Medicine, Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, 77 Avenue Louis Pasteur, NRB-7, Boston, MA 02115, USA; Department of Nephrology, First Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510080, China
| | - Xueqing Yu
- Department of Nephrology, First Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510080, China
| | - Qin Huang
- Department of Medicine, Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, 77 Avenue Louis Pasteur, NRB-7, Boston, MA 02115, USA; Department of Rheumatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Wenqian Fang
- Department of Medicine, Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, 77 Avenue Louis Pasteur, NRB-7, Boston, MA 02115, USA
| | - Jie Li
- Department of Medicine, Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, 77 Avenue Louis Pasteur, NRB-7, Boston, MA 02115, USA
| | - Joseph V Bonventre
- Department of Medicine, Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, 77 Avenue Louis Pasteur, NRB-7, Boston, MA 02115, USA
| | - Galina K Sukhova
- Department of Medicine, Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, 77 Avenue Louis Pasteur, NRB-7, Boston, MA 02115, USA
| | - Peter Libby
- Department of Medicine, Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, 77 Avenue Louis Pasteur, NRB-7, Boston, MA 02115, USA
| | - Guo-Ping Shi
- Department of Medicine, Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, 77 Avenue Louis Pasteur, NRB-7, Boston, MA 02115, USA.
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24
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Zhang AW, Han XS, Xu XT, Fang YN, Chen HB, Jiang T. Acute phase serum cathepsin S level and cathepsin S/cystatin C ratio are the associated factors with cerebral infarction and their diagnostic value for cerebral infarction. Kaohsiung J Med Sci 2019; 35:95-101. [PMID: 30848029 DOI: 10.1002/kjm2.12014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2018] [Accepted: 11/22/2018] [Indexed: 01/21/2023] Open
Abstract
Cathepsin S plays an important role in the pathogenesis of several cardiovascular diseases; however, the relationship between serum cathepsin S and cerebral infarction (CI) is still unknown. This study aimed to investigate the relationship between acute phase serum cathepsin S level and cerebral infarction. A total of 202 stroke patients were enrolled into this study, and were divided into cerebral infarction (n = 140) group and non-cerebral infarction group (non-CI, n = 62). Fifty healthy individuals were recruited as the control group. Serum levels of cathepsin S and cystatin C were measured at days 1, 7, and 14 posthospitalization. Compared to the non-CI group, the CI group had significantly higher rates of hypertension, dyslipidemia, and smoking (all P < 0.05). The CI group had significantly higher cathepsin S levels and cathepsin S to cystatin C ratio (CatS/CysC) at both days 1 and 7 posthospitalization (both P < 0.05). Multivariate logistic regression analysis demonstrated that cathepsin S level (day 7) and CatS/CysC (days 1 and 7) were the associated factors with CI (all P < 0.05). Receiver operating characteristic (ROC) curve analysis revealed that the Area Under Curve (AUC) value of CatS-day7, CatS/CysC-day1, and CatS/CysC-day7 were 0.726 (95% CI: 0.652-0.800, P < 0.001), 0.641 (95% CI: 0.559-0.723, P = 0.001), and 0.721 (95% CI: 0.645-0.797, P = 0.039), respectively. Cathepsin S and CatS/CysC were associated with acute CI, and may have the potential to be the diagnostic biomarkers for CI. Our findings help to better understand the role of serum cathepsin S level in CI.
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Affiliation(s)
- Ai-Wu Zhang
- Department of Neurology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Xin-Sheng Han
- Department of Neurology, Kaifeng Central Hospital, Kaifeng, China
| | - Xiao-Tian Xu
- Department of Neurology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yan-Nan Fang
- Department of Neurology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Hong-Bing Chen
- Department of Neurology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Tao Jiang
- Department of Neurology, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
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25
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Wang H, Meng X, Piao L, Inoue A, Xu W, Yu C, Nakamura K, Hu L, Sasaki T, Wu H, Unno K, Umegaki H, Murohara T, Shi GP, Kuzuya M, Cheng XW. Cathepsin S Deficiency Mitigated Chronic Stress-Related Neointimal Hyperplasia in Mice. J Am Heart Assoc 2019; 8:e011994. [PMID: 31296090 PMCID: PMC6662117 DOI: 10.1161/jaha.119.011994] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Background Exposure to chronic psychosocial stress is a risk factor for atherosclerosis-based cardiovascular disease. We previously demonstrated the increased expressions of cathepsin S (CatS) in atherosclerotic lesions. Whether CatS participates directly in stress-related neointimal hyperplasia has been unknown. Methods and Results Male wild-type and CatS-deficient mice that underwent carotid ligation injury were subjected to chronic immobilization stress for morphological and biochemical studies at specific times. On day 14 after stress/surgery, stress enhanced the neointima formation. At the early time points, the stressed mice had increased plaque elastin disruption, cell proliferation, macrophage accumulation, mRNA and/or protein levels of vascular cell adhesion molecule-1, angiotensin II type 1 receptor, monocyte chemoattractant protein-1, gp91phox, stromal cell-derived factor-1, C-X-C chemokine receptor-4, toll-like receptor-2, toll-like receptor-4, SC 35, galectin-3, and CatS as well as targeted intracellular proliferating-related molecules (mammalian target of rapamycin, phosphorylated protein kinase B, and p-glycogen synthase kinase-3α/β). Stress also increased the plaque matrix metalloproteinase-9 and matrix metalloproteinase-2 mRNA expressions and activities and aorta-derived smooth muscle cell migration and proliferation. The genetic or pharmacological inhibition of CatS by its specific inhibitor (Z- FL -COCHO) ameliorated the stressed arterial targeted molecular and morphological changes and stressed aorta-derived smooth muscle cell migration. Both the genetic and pharmacological interventions had no effect on increased blood pressure in stressed mice. Conclusions These results demonstrate an essential role of CatS in chronic stress-related neointimal hyperplasia in response to injury, possibly via the reduction of toll-like receptor-2/toll-like receptor-4-mediated inflammation, immune action, and smooth muscle cell proliferation, suggesting that CatS will be a novel therapeutic target for stress-related atherosclerosis-based cardiovascular disease.
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Affiliation(s)
- Hailong Wang
- 1 Department of Cardiology/Hypertension and Heart Center Yanbian University Hospital Yanji Jilin China.,2 Department of Community Health and Geriatrics Nagoya University Graduate School of Medicine Nagoya Japan
| | - Xiangkun Meng
- 2 Department of Community Health and Geriatrics Nagoya University Graduate School of Medicine Nagoya Japan
| | - Limei Piao
- 1 Department of Cardiology/Hypertension and Heart Center Yanbian University Hospital Yanji Jilin China.,2 Department of Community Health and Geriatrics Nagoya University Graduate School of Medicine Nagoya Japan
| | - Aiko Inoue
- 2 Department of Community Health and Geriatrics Nagoya University Graduate School of Medicine Nagoya Japan.,3 Institute of Innovation for Future Society Nagoya University Graduate School of Medicine Nagoya Japan
| | - Wenhu Xu
- 1 Department of Cardiology/Hypertension and Heart Center Yanbian University Hospital Yanji Jilin China.,2 Department of Community Health and Geriatrics Nagoya University Graduate School of Medicine Nagoya Japan
| | - Chenglin Yu
- 1 Department of Cardiology/Hypertension and Heart Center Yanbian University Hospital Yanji Jilin China.,2 Department of Community Health and Geriatrics Nagoya University Graduate School of Medicine Nagoya Japan
| | - Kae Nakamura
- 4 Department of Obstetrics and Gynecology Nagoya University Graduate School of Medicine Nagoya Japan
| | - Lina Hu
- 5 Department of Public Health Guilin Medical College Guangxi China
| | - Takeshi Sasaki
- 6 Department of Anatomy and Neuroscience Hamamatsu University School of Medicine Hamamatsu Japan
| | - Hongxian Wu
- 7 Shanghai Institute of Cardiovascular Diseases Zhongshan Hospital Fudan University Shanghai China
| | - Kazumasa Unno
- 8 Department of Cardiology Nagoya University Graduate School of Medicine Nagoya Japan
| | - Hiroyuki Umegaki
- 2 Department of Community Health and Geriatrics Nagoya University Graduate School of Medicine Nagoya Japan.,3 Institute of Innovation for Future Society Nagoya University Graduate School of Medicine Nagoya Japan
| | - Toyoaki Murohara
- 8 Department of Cardiology Nagoya University Graduate School of Medicine Nagoya Japan
| | - Guo-Ping Shi
- 9 Department of Medicine Brigham and Women's Hospital Harvard Medical School Boston MA
| | - Masafumi Kuzuya
- 2 Department of Community Health and Geriatrics Nagoya University Graduate School of Medicine Nagoya Japan.,3 Institute of Innovation for Future Society Nagoya University Graduate School of Medicine Nagoya Japan
| | - Xian Wu Cheng
- 1 Department of Cardiology/Hypertension and Heart Center Yanbian University Hospital Yanji Jilin China.,2 Department of Community Health and Geriatrics Nagoya University Graduate School of Medicine Nagoya Japan
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26
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He A, Fang W, Zhao K, Wang Y, Li J, Yang C, Benadjaoud F, Shi GP. Mast cell-deficiency protects mice from streptozotocin-induced diabetic cardiomyopathy. Transl Res 2019; 208:1-14. [PMID: 30738862 PMCID: PMC6527494 DOI: 10.1016/j.trsl.2019.01.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 12/20/2018] [Accepted: 01/17/2019] [Indexed: 01/01/2023]
Abstract
Mast cells (MCs) have been implicated in the pathogenesis of cardiometabolic diseases by releasing pro-inflammatory mediators. Patients and animals with diabetic cardiomyopathy (DCM) also show inflammatory cell accumulation in the heart. Here, we detected MCs in mouse heart after streptozotocin (STZ)-induced DCM. DCM production caused significant systole and diastole interventricular septum and left ventricular (LV) posterior wall thinning, and systolic LV internal dilation in wild-type (WT) mice. DCM production also led to significant reductions of fractional shortening percentage, heart rate, body weight, heart weight, and significant increases of kidney, pancreas, and lung weight to body weight ratios, and blood hemoglobin HbA1c and glucose levels in WT mice. All these changes were improved or disappeared in MC-deficient KitW-sh/W-sh mice. In the myocardium from WT DCM mice, we detected significant decrease of cardiac cell proliferation and increases of cardiac cell death, chemokine expression, macrophage infiltration, inflammatory cytokine expression, and collagen deposition. These changes were also improved or disappeared in KitW-sh/W-sh DCM mice. Adoptive transfer of bone marrow-derived MCs (BMMCs) from WT mice fully or partially reversed these cardiac functional and morphologic changes in KitW-sh/W-sh DCM recipient mice. Yet, adoptive transfer of BMMCs from Il6-/- and Tnf-/- mice failed to make these corrections or at much less extent than the WT BMMCs. Mechanistic studies demonstrated a role of MC and MC-derived IL6 and TNF-α in promoting cardiomyocyte death and cardiac fibroblast TGF-β signaling, and collagen synthesis and deposition. Therefore, MC inhibition may have therapeutic potential in attenuating DCM progression.
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Affiliation(s)
- Aina He
- Department of Oncology, Affiliated Sixth People's Hospital, Shanghai Jiaotong University, Shanghai, China; Cardiovascular Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Wenqian Fang
- Cardiovascular Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts; Key Laboratory of Bio-resources and Eco-environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, China
| | - Kun Zhao
- Cardiovascular Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Yajun Wang
- Key Laboratory of Bio-resources and Eco-environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, China
| | - Jie Li
- Cardiovascular Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Chongzhe Yang
- Cardiovascular Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Feriel Benadjaoud
- Cardiovascular Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Guo-Ping Shi
- Cardiovascular Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.
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27
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Yao X, Cheng F, Yu W, Rao T, Li W, Zhao S, Zhou X, Ning J. Cathepsin S regulates renal fibrosis in mouse models of mild and severe hydronephrosis. Mol Med Rep 2019; 20:141-150. [PMID: 31115520 PMCID: PMC6580002 DOI: 10.3892/mmr.2019.10230] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Accepted: 05/02/2019] [Indexed: 12/11/2022] Open
Abstract
As a member of the cysteine protease family, cathepsin S (CTSS) serves an important role in diseases such as cancer, arthritis and atherosclerosis. Nevertheless, its role in renal fibrosis is unknown. In the present study, the effects of CTSS on renal fibrosis in mild (group M) and severe (group S) hydronephrosis were studied by reverse transcription‑-quantitative PCR (RT‑qPCR), western blot analysis (WB), Masson's trichrome staining and immunohistochemical staining in mouse models. The effects of CTSS on extracellular matrix (ECM) deposition and epithelial‑mesenchymal transition (EMT) and the potential mechanisms were further studied by RT‑qPCR and WB in transforming growth factor (TGF‑β1)‑stimulated TCMK‑1 cells. Compared with group N (no hydronephrosis), the expression levels of CTSS in the M and S groups were significantly higher, and a significant increase in ECM deposition was observed in the S group. In addition, compared with group N, the expression levels of TGF‑β1, α‑smooth muscle actin (α‑SMA), SMAD2, SMAD3, phosphorylated (p)SMAD2 and pSMAD3 in groups M and S were significantly higher, whereas the expression of E‑cadherin was significantly lower. Inhibition of CTSS expression increased the expression levels of TGF‑β1, α‑SMA, fibronectin, collagen‑I, SMAD2, SMAD3, pSMAD2 and pSMAD3, whereas E‑cadherin expression decreased. A significant increase in CTSS was observed in the TGF‑β1‑stimulated TCMK‑1 cell line. ECM deposition and EMT were also intensified. The opposite outcomes occurred after intervention with small interfering RNA targeting CTSS. In conclusion, CTSS affected EMT and the deposition of ECM. CTSS may mediate the regulation of fibrosis by the TGF‑β/SMAD signaling pathway. CTSS may serve an important role in the treatment of renal fibrosis.
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Affiliation(s)
- Xiaobing Yao
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Fan Cheng
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Weiming Yu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Ting Rao
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Wei Li
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Sheng Zhao
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Xiangjun Zhou
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Jinzhuo Ning
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
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28
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Wahart A, Hocine T, Albrecht C, Henry A, Sarazin T, Martiny L, El Btaouri H, Maurice P, Bennasroune A, Romier-Crouzet B, Blaise S, Duca L. Role of elastin peptides and elastin receptor complex in metabolic and cardiovascular diseases. FEBS J 2019; 286:2980-2993. [PMID: 30946528 DOI: 10.1111/febs.14836] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 02/23/2019] [Accepted: 04/02/2019] [Indexed: 12/11/2022]
Abstract
The Cardiovascular Continuum describes a sequence of events from cardiovascular risk factors to end-stage heart disease. It includes conventional pathologies affecting cardiovascular functions such as hypertension, atherosclerosis or thrombosis and was traditionally considered from the metabolic point of view. This Cardiovascular Continuum, originally described by Dzau and Braunwald, was extended by O'Rourke to consider also the crucial role played by degradation of elastic fibers, occurring during aging, in the appearance of vascular stiffness, another deleterious risk factor of the continuum. However, the involvement of the elastin degradation products, named elastin-derived peptides, to the Cardiovascular Continuum progression has not been considered before. Data from our laboratory and others clearly showed that these bioactive peptides are central regulators of this continuum, thereby amplifying appearance and evolution of cardiovascular risk factors such as diabetes or hypertension, of vascular alterations such as atherothrombosis and calcification, but also nonalcoholic fatty liver disease and nonalcoholic steatohepatitis. The Elastin Receptor Complex has been shown to be a crucial actor in these processes. We propose here the participation of these elastin-derived peptides and of the Elastin Receptor Complex in these events, and introduce a revisited Cardiovascular Continuum based on their involvement, for which elastin-based pharmacological strategies could have a strong impact in the future.
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Affiliation(s)
- Amandine Wahart
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Thinhinane Hocine
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Camille Albrecht
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Auberi Henry
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Thomas Sarazin
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Laurent Martiny
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Hassan El Btaouri
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Pascal Maurice
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Amar Bennasroune
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | | | - Sébastien Blaise
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Laurent Duca
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
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Sugiyama A, Mitsui A, Okada M, Yamawaki H. Cathepsin S degrades arresten and canstatin in infarcted area after myocardial infarction in rats. J Vet Med Sci 2019; 81:522-531. [PMID: 30726795 PMCID: PMC6483919 DOI: 10.1292/jvms.18-0674] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
The basement membrane surrounding cardiomyocytes is mainly composed of α1 and α2 chain of
type IV collagen. Arresten and canstatin are fragments of non-collagenous C-terminal
domain of α1 and α2 chain, respectively. We previously reported that the expression of
canstatin was decreased in infarcted area 2 weeks after myocardial infarction in rats. In
the present study, we investigated the regulatory mechanism for expression of arresten and
canstatin. Myocardial infarction model rats were produced by ligating left anterior
descending artery. Western blotting and immunohistochemical staining were performed to
determine the protein expression and distribution. Arresten and canstatin were highly
expressed in the heart. One day and three days after myocardial infarction, the expression
of arresten and canstatin in infarcted area was lower than that in non-infarcted area. The
expression of cathepsin S, which is known to degrade arresten and canstatin, was increased
in the infarcted area. A knockdown of cathepsin S gene using small interference RNA
suppressed the decline of arresten and canstatin in the infarcted area 3 days after
myocardial infarction. This study for the first time revealed that arresten and canstatin
are immediately degraded by cathepsin S in the infarcted area after myocardial infarction.
These findings present a novel fundamental insight into the pathogenesis of myocardial
infarction through the turnover of basement membrane-derived endogenous factors.
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Affiliation(s)
- Akira Sugiyama
- Laboratory of Veterinary Pharmacology, School of Veterinary Medicine, Kitasato University, Higashi 23 bancho 35-1, Towada, Aomori 034-8628, Japan
| | - Ayaka Mitsui
- Laboratory of Veterinary Pharmacology, School of Veterinary Medicine, Kitasato University, Higashi 23 bancho 35-1, Towada, Aomori 034-8628, Japan
| | - Muneyoshi Okada
- Laboratory of Veterinary Pharmacology, School of Veterinary Medicine, Kitasato University, Higashi 23 bancho 35-1, Towada, Aomori 034-8628, Japan
| | - Hideyuki Yamawaki
- Laboratory of Veterinary Pharmacology, School of Veterinary Medicine, Kitasato University, Higashi 23 bancho 35-1, Towada, Aomori 034-8628, Japan
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Tian Y, Li H, Gao Y, Liu C, Qiu T, Wu H, Cao M, Zhang Y, Ding H, Chen J, Cai H. Quantitative proteomic characterization of lung tissue in idiopathic pulmonary fibrosis. Clin Proteomics 2019; 16:6. [PMID: 30774578 PMCID: PMC6364390 DOI: 10.1186/s12014-019-9226-4] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2018] [Accepted: 01/27/2019] [Indexed: 02/06/2023] Open
Abstract
Background Idiopathic pulmonary fibrosis (IPF) is a progressive, eventually fatal disease. IPF is characterized by excessive accumulation of the extracellular matrix (ECM) in the alveolar parenchyma and progressive lung scarring. The pathogenesis of IPF and whether the ECM involved in the process remain unknown. Methods To identify potential treatment target and ECM associated proteins that may be involved in the development of IPF, we employed isobaric tag for relative and absolute quantitation (iTRAQ) combined liquid chromatography-tandem mass spectrometry (LC-MS/MS) approach to examine protein expression in lung tissues from IPF patients. Results A total of 662 proteins with altered expression (455 upregulated proteins and 207 downregulated proteins) were identified in lung tissue of IPF patients compared with control. KEGG pathway enrichment analysis showed that the altered proteins in lung tissue mainly belonged to the PI3K-Akt signaling, focal adhesion, ECM-receptor interaction, and carbon metabolism pathways. According to the bioinformatic definition of the matrisome, 229 matrisome proteins were identified in lung tissue. These proteins comprised the ECM of lung, of which 104 were core matrisome proteins, and 125 were matrisome-associated proteins. Of the 229 ECM quantified proteins, 56 significantly differentially expressed proteins (19 upregulated proteins and 37 downregulated proteins) were detected in IPF lung tissue samples. In addition to proteins with well-known functions such as COL1A1, SCGB1A1, TAGLN, PSEN2, TSPAN1, CTSB, AGR2, CSPG2, and SERPINB3, we identified several novel ECM proteins with unknown function deposited in IPF lung tissue including LGALS7, ASPN, HSP90AA1 and HSP90AB1. Some of these differentially expressed proteins were further verified using Western blot analysis and immunohistochemical staining. Conclusions This study provides a list of proteomes that were detected in IPF lung tissue by iTRAQ technology combined with LC-MS/MS. The findings of this study will contribute better understanding to the pathogenesis of IPF and facilitate the development of therapeutic targets.
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Affiliation(s)
- Yaqiong Tian
- 1Department of Respiratory Medicine, The Affiliated Drum Tower Hospital of Nanjing University Medical School, No. 321 Zhongshan Road, Nanjing, 210008 Jiangsu People's Republic of China
| | - Hui Li
- 1Department of Respiratory Medicine, The Affiliated Drum Tower Hospital of Nanjing University Medical School, No. 321 Zhongshan Road, Nanjing, 210008 Jiangsu People's Republic of China
| | - Yujuan Gao
- 1Department of Respiratory Medicine, The Affiliated Drum Tower Hospital of Nanjing University Medical School, No. 321 Zhongshan Road, Nanjing, 210008 Jiangsu People's Republic of China
| | - Chuanmei Liu
- 2Department of Respiratory Medicine, Yi Ji Shan Hospital of Wannan Medical College, No. 2 Zheshan West Road, Wuhu, 241001 Anhui People's Republic of China
| | - Ting Qiu
- Department of Respiratory Medicine, KunShan Hospital of Traditional Chinese Medicine, No. 189 Chaoyang Road, Kunshan, 215300 Jiangsu People's Republic of China
| | - Hongyan Wu
- 4Department of Pathology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, No. 321 Zhongshan Road, Nanjing, 210008 Jiangsu People's Republic of China
| | - Mengshu Cao
- 1Department of Respiratory Medicine, The Affiliated Drum Tower Hospital of Nanjing University Medical School, No. 321 Zhongshan Road, Nanjing, 210008 Jiangsu People's Republic of China
| | - Yingwei Zhang
- 1Department of Respiratory Medicine, The Affiliated Drum Tower Hospital of Nanjing University Medical School, No. 321 Zhongshan Road, Nanjing, 210008 Jiangsu People's Republic of China
| | - Hui Ding
- 5Department of Respiratory Medicine, Yixing People Hospital, Affiliated Jiangsu University, No. 75 Tongzhenguan Road, Yixing, 214200 Jiangsu People's Republic of China
| | - Jingyu Chen
- 6Jiangsu Key Laboratory of Organ Transplantation, Wuxi People's Hospital, Nanjing Medical University, No. 299 Qingyang Road, Wuxi, 214023 Jiangsu People's Republic of China
| | - Hourong Cai
- 1Department of Respiratory Medicine, The Affiliated Drum Tower Hospital of Nanjing University Medical School, No. 321 Zhongshan Road, Nanjing, 210008 Jiangsu People's Republic of China
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Deficiency of mouse mast cell protease 4 mitigates cardiac dysfunctions in mice after myocardium infarction. Biochim Biophys Acta Mol Basis Dis 2019; 1865:1170-1181. [PMID: 30639224 DOI: 10.1016/j.bbadis.2019.01.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 12/26/2018] [Accepted: 01/08/2019] [Indexed: 12/11/2022]
Abstract
Mouse mast cell protease-4 (mMCP4) is a chymase that has been implicated in cardiovascular diseases, including myocardial infarction (MI). This study tested a direct role of mMCP4 in mouse post-MI cardiac dysfunction and myocardial remodeling. Immunoblot and immunofluorescent double staining demonstrated mMCP4 expression in cardiomyocytes from the infarct zone from mouse heart at 28 day post-MI. At this time point, mMCP4-deficient Mcpt4-/- mice showed no difference in survival from wild-type (WT) control mice, yet demonstrated smaller infarct size, improved cardiac functions, reduced macrophage content but increased T-cell accumulation in the infarct region compared with those of WT littermates. mMCP4-deficiency also reduced cardiomyocyte apoptosis and expression of TGF-β1, p-Smad2, and p-Smad3 in the infarct region, but did not affect collagen deposition or α-smooth muscle actin expression in the same area. Gelatin gel zymography and immunoblot analysis revealed reduced activities of matrix metalloproteinases and expression of cysteinyl cathepsins in the myocardium, macrophages, and T cells from Mcpt4-/- mice. Immunoblot analysis also found reduced p-Smad2 and p-Smad3 in the myocardium from Mcpt4-/- mice, yet fibroblasts from Mcpt4-/- mice showed comparable levels of p-Smad2 and p-Smad3 to those of WT fibroblasts. Flow cytometry, immunoblot analysis, and immunofluorescent staining demonstrated that mMCP4-deficiency reduced the expression of proapoptotic cathepsins in cardiomyocytes and protected cardiomyocytes from H2O2-induced apoptosis. This study established a role of mMCP4 in mouse post-MI dysfunction by regulating myocardial protease expression and cardiomyocyte death without significant impact on myocardial fibrosis or survival post-MI in mice.
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A current perspective of canstatin, a fragment of type IV collagen alpha 2 chain. J Pharmacol Sci 2018; 139:59-64. [PMID: 30580971 DOI: 10.1016/j.jphs.2018.12.001] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 11/29/2018] [Accepted: 12/05/2018] [Indexed: 01/09/2023] Open
Abstract
Type IV collagen is a main component of basement membrane extracellular matrix. Canstatin, a non-collagenous C-terminal fragment of type IV collagen α2 chain, was firstly identified as an endogenous anti-angiogenic and anti-tumor factor, which also has an anti-lymphangiogenic effect. Then, canstatin has been widely investigated as a novel target molecule for cancer therapy. The anti-angiogenic effect of canstatin may be also useful for the treatment of ocular neovascularization. Recently, we have demonstrated that canstatin, which is abundantly expressed in the heart tissue, exerts various biological activities in cardiac cells. In rat H9c2 cardiomyoblasts, canstatin inhibits isoproterenol- or hypoxia-induced apoptosis. Canstatin plays an important role in modulating voltage-dependent calcium channel activity in rat cardiomyocytes. Canstatin also regulates various biological functions in rat cardiac fibroblasts and myofibroblasts. The expression of canstatin decreases in the infarcted area after myocardial infarction. This review focuses on a current perspective for the roles of canstatin in tumorigenesis, ocular neovascularization and cardiac pathology.
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Cathepsin K-deficiency impairs mouse cardiac function after myocardial infarction. J Mol Cell Cardiol 2018; 127:44-56. [PMID: 30465799 DOI: 10.1016/j.yjmcc.2018.11.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 11/08/2018] [Accepted: 11/16/2018] [Indexed: 11/22/2022]
Abstract
BACKGROUND Extracellular matrix metabolism and cardiac cell death participate centrally in myocardial infarction (MI). This study tested the roles of collagenolytic cathepsin K (CatK) in post-MI left ventricular remodeling. METHODS AND RESULTS Patients with acute MI had higher plasma CatK levels (20.49 ± 7.07 pmol/L, n = 26) than those in subjects with stable angina pectoris (8.34 ± 1.66 pmol/L, n = 28, P = .01) or those without coronary heart disease (6.63 ± 0.84 pmol/L, n = 93, P = .01). CatK protein expression increases in mouse hearts at 7 and 28 days post-MI. Immunofluorescent staining localized CatK expression in cardiomyocytes, endothelial cells, fibroblasts, macrophages, and CD4+ T cells in infarcted mouse hearts at 7 days post-MI. To probe the direct participation of CatK in MI, we produced experimental MI in CatK-deficient mice (Ctsk-/-) and their wild-type (Ctsk+/+) littermates. CatK-deficiency yielded worsened cardiac function at 7 and 28 days post-MI, compared to Ctsk+/+ littermates (fractional shortening percentage: 5.01 ± 0.68 vs. 8.62 ± 1.04, P < .01, 7 days post-MI; 4.32 ± 0.52 vs. 7.60 ± 0.82, P < .01, 28 days post-MI). At 7 days post-MI, hearts from Ctsk-/- mice contained less CatK-specific type-I collagen fragments (10.37 ± 1.91 vs. 4.60 ± 0.49 ng/mg tissue extract, P = .003) and more fibrosis (1.67 ± 0.93 vs. 0.69 ± 0.20 type-III collagen positive area percentage, P = .01; 14.25 ± 4.12 vs. 6.59 ± 0.79 α-smooth muscle actin-positive area percentage, P = .016; and 0.82 ± 0.06 vs. 0.31 ± 0.08 CD90-positive area percentage, P = .008) than those of Ctsk+/+ mice. Immunostaining demonstrated that CatK-deficiency yielded elevated cardiac cell death but reduced cardiac cell proliferation. In vitro studies supported a role of CatK in cardiomyocyte survival. CONCLUSION Plasma CatK levels are increased in MI patients. Heart CatK expression is also elevated post-MI, but CatK-deficiency impairs post-MI cardiac function in mice by increasing myocardial fibrosis and cardiomyocyte death.
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Okada M, Imoto K, Sugiyama A, Yasuda J, Yamawaki H. New Insights into the Role of Basement Membrane-Derived Matricryptins in the Heart. Biol Pharm Bull 2018; 40:2050-2060. [PMID: 29199230 DOI: 10.1248/bpb.b17-00308] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The extracellular matrix (ECM), which contributes to structural homeostasis as well as to the regulation of cellular function, is enzymatically cleaved by proteases, such as matrix metalloproteinases and cathepsins, in the normal and diseased heart. During the past two decades, matricryptins have been defined as fragments of ECM with a biologically active cryptic site, namely the 'matricryptic site,' and their biological activities have been initially identified and clarified, including anti-angiogenic and anti-tumor effects. Thus, matricryptins are expected to be novel anti-tumor drugs, and thus widely investigated. Although there are a smaller number of studies on the expression and function of matricryptins in fields other than cancer research, some matricryptins have been recently clarified to have biological functions beyond an anti-angiogenic effect in heart. This review particularly focuses on the expression and function of basement membrane-derived matricryptins, including arresten, canstatin, tumstatin, endostatin and endorepellin, during cardiac diseases leading to heart failure such as cardiac hypertrophy and myocardial infarction.
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Affiliation(s)
- Muneyoshi Okada
- Laboratory of Veterinary Pharmacology, School of Veterinary Medicine, Kitasato University
| | - Keisuke Imoto
- Laboratory of Veterinary Pharmacology, School of Veterinary Medicine, Kitasato University
| | - Akira Sugiyama
- Laboratory of Veterinary Pharmacology, School of Veterinary Medicine, Kitasato University
| | - Jumpei Yasuda
- Laboratory of Veterinary Pharmacology, School of Veterinary Medicine, Kitasato University
| | - Hideyuki Yamawaki
- Laboratory of Veterinary Pharmacology, School of Veterinary Medicine, Kitasato University
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35
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Liu CL, Guo J, Zhang X, Sukhova GK, Libby P, Shi GP. Cysteine protease cathepsins in cardiovascular disease: from basic research to clinical trials. Nat Rev Cardiol 2018; 15:351-370. [DOI: 10.1038/s41569-018-0002-3] [Citation(s) in RCA: 100] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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36
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Sena BF, Figueiredo JL, Aikawa E. Cathepsin S As an Inhibitor of Cardiovascular Inflammation and Calcification in Chronic Kidney Disease. Front Cardiovasc Med 2018; 4:88. [PMID: 29379789 PMCID: PMC5770806 DOI: 10.3389/fcvm.2017.00088] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Accepted: 12/14/2017] [Indexed: 12/19/2022] Open
Abstract
Cardiovascular disease (CVD) is responsible for the majority of deaths in the developed world. Particularly, in patients with chronic kidney disease (CKD), the imbalance of calcium and phosphate may lead to the acceleration of both vascular and valve inflammation and calcification. One in two patients with CKD are reported as dying from cardiovascular causes due to the resulting acceleration in the development of atherosclerosis plaques. In addition, CKD patients on hemodialysis are prone to aortic valve calcification and often need valve replacement before kidney transplantation. The lysosomal proteases, cathepsins, are composed of 11 cysteine members (cathepsin B, C, F, H, K, L, O, S, V, W, and Z), as well as serine proteases cathepsin A and G, which cleave peptide bonds with serine as the amino acid, and aspartyl proteases D and E, which use an activated water molecule bound to aspartate to break peptide substrate. Cysteine proteases, also known as thiol proteases, degrade protein via the deprotonation of a thiol and have been found to play a significant role in autoimmune disease, atherosclerosis, aortic valve calcification, cardiac repair, and cardiomyopathy, operating within extracellular spaces. This review sought to evaluate recent findings in this field, highlighting how among cathepsins, the inhibition of cathepsin S in particular, could play a significant role in diminishing the effects of CVD, especially for patients with CKD.
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Affiliation(s)
- Brena F Sena
- Boston University School of Public Health, Boston, MA, United States
| | - Jose Luiz Figueiredo
- Department of Surgery, Introduction to Clinical and Surgical Techniques Division, Laboratory of Experimental Surgery, Federal University of Pernambuco, Recife, Brazil
| | - Elena Aikawa
- The Center of Excellence in Vascular Biology, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
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Liu WL, Liu D, Cheng K, Liu YJ, Xing S, Chi PD, Liu XH, Xue N, Lai YZ, Guo L, Zhang G. Evaluating the diagnostic and prognostic value of circulating cathepsin S in gastric cancer. Oncotarget 2018; 7:28124-38. [PMID: 27058412 PMCID: PMC5053714 DOI: 10.18632/oncotarget.8582] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Accepted: 03/28/2016] [Indexed: 01/21/2023] Open
Abstract
To evaluate whether serum Cathepsin S (Cat S) could serve as a biomarker for the diagnosis and prognosis of gastric cancer (GC), Enzyme-linked immuno sorbent assay (ELISA) was used to detect serum Cat S in 496 participants including healthy controls and patients with benign gastric diseases, gastric cancer, esophageal cancer, liver cancer, colorectal cancer, nasopharyngeal cancer and lung cancer. The levels of serum Cat S were significantly increased in cancer patients, especially in GC patients. The qRT-PCR, Western blotting, and immunohistochemical staining revealed the overexpression of Cat S in GC cell lines and tissues. The diagnostic value of serum Cat S for GC patients from controls resulted in an AUC of 0.803 with a sensitivity of 60.7% and a specificity of 90.0%. Moreover, the levels of serum Cat S were associated with GC tumor volume, lymphoid nodal status, metastasis status, and stages. Moreover, the patients with high levels of serum Cat S had a poorer overall survival. Univariate analysis revealed Cat S expression was a prognostic factor. The knockdown of Cat S significantly suppressed the migration and invasion of GC cells. This study suggested serum Cat S may be a potential biomarker for the diagnosis and prognosis of GC.
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Affiliation(s)
- Wan-Li Liu
- State Key Laboratory of Oncology in Southern China, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Clinical Laboratory Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Dan Liu
- State Key Laboratory of Oncology in Southern China, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Clinical Laboratory Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Kai Cheng
- Department of Microbial and Biochemical Pharmacy, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
| | - Yi-Jun Liu
- State Key Laboratory of Oncology in Southern China, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Clinical Laboratory Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Shan Xing
- State Key Laboratory of Oncology in Southern China, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Clinical Laboratory Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Pei-Dong Chi
- State Key Laboratory of Oncology in Southern China, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Clinical Laboratory Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Xiao-Hua Liu
- State Key Laboratory of Oncology in Southern China, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Clinical Laboratory Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Ning Xue
- State Key Laboratory of Oncology in Southern China, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Clinical Laboratory Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Yan-Zhen Lai
- State Key Laboratory of Oncology in Southern China, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Clinical Laboratory Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Ling Guo
- Department of Nasopharyngeal Carcinoma, Sun Yat-sen University of Cancer Center, Guangzhou, China
| | - Ge Zhang
- Department of Microbial and Biochemical Pharmacy, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
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38
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Leng YP, Ma YS, Li XG, Chen RF, Zeng PY, Li XH, Qiu CF, Li YP, Zhang Z, Chen AF. l-Homocysteine-induced cathepsin V mediates the vascular endothelial inflammation in hyperhomocysteinaemia. Br J Pharmacol 2017. [PMID: 28631302 DOI: 10.1111/bph.13920] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND AND PURPOSE Vascular inflammation, including the expression of inflammatory cytokines in endothelial cells, plays a critical role in hyperhomocysteinaemia-associated vascular diseases. Cathepsin V, specifically expressed in humans, is involved in vascular diseases through its elastolytic and collagenolytic activities. The aim of this study was to determine the effects of cathepsin V on l-homocysteine-induced vascular inflammation. EXPERIMENTAL APPROACH A high methionine diet-induced hyperhomocysteinaemic mouse model was used to assess cathepsin V expression and vascular inflammation. Cultures of HUVECs were challenged with l-homocysteine and the cathepsin L/V inhibitor SID to assess the pro-inflammatory effects of cathepsin V. Transfection and antisense techniques were utilized to investigate the effects of cathepsin V on the dual-specificity protein phosphatases (DUSPs) and MAPK pathways. KEY RESULTS Cathepsin L (human cathepsin V homologous) was increased in the thoracic aorta endothelial cells of hyperhomocysteinaemic mice; l-homocysteine promoted cathepsin V expression in HUVECs. SID suppressed the activity of cathepsin V and reversed the up-regulation of inflammatory cytokines (IL-6, IL-8 and TNF-α), adhesion and chemotaxis of leukocytes and vascular inflammation induced by l-homocysteine in vivo and in vitro. Increased cathepsin V promoted the degradation of DUSP6 and DUSP7, phosphorylation and subsequent nuclear translocation of ERK1/2, phosphorylation of STAT1 and expression of IL-6, IL-8 and TNF-α. CONCLUSIONS AND IMPLICATIONS This study has identified a novel mechanism, which shows that l-homocysteine-induced upregulation of cathepsin V mediates vascular endothelial inflammation under high homocysteine condition partly via ERK1/2 /STAT1 pathway. This mechanism could represent a potential therapeutic target in hyperaemia-associated vascular diseases. LINKED ARTICLES This article is part of a themed section on Spotlight on Small Molecules in Cardiovascular Diseases. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v175.8/issuetoc.
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Affiliation(s)
- Yi-Ping Leng
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China.,Center for Vascular Disease and Translational Medicine, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Ye-Shuo Ma
- Center for Vascular Disease and Translational Medicine, The Third Xiangya Hospital of Central South University, Changsha, China.,Department of Cardiology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Xiao-Gang Li
- Center for Vascular Disease and Translational Medicine, The Third Xiangya Hospital of Central South University, Changsha, China.,Department of Cardiology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Rui-Fang Chen
- Center for Vascular Disease and Translational Medicine, The Third Xiangya Hospital of Central South University, Changsha, China.,Centre for Experimental Medicine, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Ping-Yu Zeng
- Center for Vascular Disease and Translational Medicine, The Third Xiangya Hospital of Central South University, Changsha, China.,Centre for Experimental Medicine, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Xiao-Hui Li
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China.,Center for Vascular Disease and Translational Medicine, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Cheng-Feng Qiu
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China.,Center for Vascular Disease and Translational Medicine, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Ya-Pei Li
- Center for Vascular Disease and Translational Medicine, The Third Xiangya Hospital of Central South University, Changsha, China.,Department of Cardiology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Zhen Zhang
- Center for Vascular Disease and Translational Medicine, The Third Xiangya Hospital of Central South University, Changsha, China.,Centre for Experimental Medicine, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Alex F Chen
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China.,Center for Vascular Disease and Translational Medicine, The Third Xiangya Hospital of Central South University, Changsha, China
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Barallobre-Barreiro J, Lynch M, Yin X, Mayr M. Systems biology-opportunities and challenges: the application of proteomics to study the cardiovascular extracellular matrix. Cardiovasc Res 2016; 112:626-636. [PMID: 27635058 PMCID: PMC5157133 DOI: 10.1093/cvr/cvw206] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Revised: 08/31/2016] [Accepted: 09/09/2016] [Indexed: 12/29/2022] Open
Abstract
Systems biology approaches including proteomics are becoming more widely used in cardiovascular research. In this review article, we focus on the application of proteomics to the cardiac extracellular matrix (ECM). ECM remodelling is a hallmark of many cardiovascular diseases. Proteomic techniques using mass spectrometry (MS) provide a platform for the comprehensive analysis of ECM proteins without a priori assumptions. Proteomics overcomes various constraints inherent to conventional antibody detection. On the other hand, studies that use whole tissue lysates for proteomic analysis mask the identification of the less abundant ECM constituents. In this review, we first discuss decellularization-based methods that enrich for ECM proteins in cardiac tissue, and how targeted MS allows for accurate protein quantification. The second part of the review will focus on post-translational modifications including hydroxylation and glycosylation and on the release of matrix fragments with biological activity (matrikines), all of which can be interrogated by proteomic techniques.
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Affiliation(s)
| | - Marc Lynch
- King's British Heart Foundation Centre, King's College London, 125 Coldharbour Lane, London SE5 9NU, UK
| | - Xiaoke Yin
- King's British Heart Foundation Centre, King's College London, 125 Coldharbour Lane, London SE5 9NU, UK
| | - Manuel Mayr
- King's British Heart Foundation Centre, King's College London, 125 Coldharbour Lane, London SE5 9NU, UK
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Wilkinson RDA, Magorrian SM, Williams R, Young A, Small DM, Scott CJ, Burden RE. CCL2 is transcriptionally controlled by the lysosomal protease cathepsin S in a CD74-dependent manner. Oncotarget 2016; 6:29725-39. [PMID: 26358505 PMCID: PMC4745758 DOI: 10.18632/oncotarget.5065] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Accepted: 08/14/2015] [Indexed: 01/15/2023] Open
Abstract
Cathepsins S (CatS) has been implicated in numerous tumourigenic processes and here we document for the first time its involvement in CCL2 regulation within the tumour microenvironment. Analysis of syngeneic tumours highlighted reduced infiltrating macrophages in CatS depleted tumours. Interrogation of tumours and serum revealed genetic ablation of CatS leads to the depletion of several pro-inflammatory chemokines, most notably, CCL2. This observation was validated in vitro, where shRNA depletion of CatS resulted in reduced CCL2 expression. This regulation is transcriptionally mediated, as evident from RT-PCR analysis and CCL2 promoter studies. We revealed that CatS regulation of CCL2 is modulated through CD74 (also known as the invariant chain), a known substrate of CatS and a mediator of NFkB activity. Furthermore, CatS and CCL2 show a strong clinical correlation in brain, breast and colon tumours. In summary, these results highlight a novel mechanism by which CatS controls CCL2, which may present a useful pharmacodynamic marker for CatS inhibition.
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Affiliation(s)
- Richard D A Wilkinson
- Molecular Therapeutics, School of Pharmacy, Queen's University Belfast, Belfast, BT9 7BL, UK
| | - Sinead M Magorrian
- Molecular Therapeutics, School of Pharmacy, Queen's University Belfast, Belfast, BT9 7BL, UK
| | - Rich Williams
- Centre for Cancer Research and Cell Biology, Queen's University Belfast, Belfast, BT9 7BL, UK
| | - Andrew Young
- Molecular Therapeutics, School of Pharmacy, Queen's University Belfast, Belfast, BT9 7BL, UK
| | - Donna M Small
- Molecular Therapeutics, School of Pharmacy, Queen's University Belfast, Belfast, BT9 7BL, UK
| | - Christopher J Scott
- Molecular Therapeutics, School of Pharmacy, Queen's University Belfast, Belfast, BT9 7BL, UK
| | - Roberta E Burden
- Molecular Therapeutics, School of Pharmacy, Queen's University Belfast, Belfast, BT9 7BL, UK
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41
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Miriyala S, Chandra M, Maxey B, Day A, St Clair DK, Panchatcharam M. Arjunolic acid ameliorates reactive oxygen species via inhibition of p47(phox)-serine phosphorylation and mitochondrial dysfunction. Int J Biochem Cell Biol 2015; 68:70-7. [PMID: 26319153 DOI: 10.1016/j.biocel.2015.08.015] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Revised: 08/17/2015] [Accepted: 08/23/2015] [Indexed: 12/13/2022]
Abstract
Impaired cardiovascular function during acute myocardial infarction (MI) is partly associated with recruitment of activated polymorphonuclear neutrophils. The protective role of arjunolic acid (AA; 2,3,23-trihydroxy olean-12-en-28-oic acid) is studied in the modulation of neutrophil functions in vitro by measuring the reactive oxygen species (ROS) generation. Neutrophils were isolated from normal and acute MI mice to find out the efficacy of AA in reducing oxidative stress. Stimulation of neutrophils with phorbol-12-myristate-13-acetate (PMA) resulted in an oxidative burst of superoxide anion (O2(-)) and enhanced release of lysosomal enzymes. The treatment of neutrophils with PMA induced phosphorylation of Ser345 on p47(phox), a cytosolic component of NADPH oxidase. Furthermore, we observed activated ERK induced phosphorylation of Ser345 in MI neutrophils. Treatment with AA significantly inhibited the phosphorylation of P47(phox) and ERK in the stimulated controls and MI neutrophils. Oxidative phosphorylation activities in MI cells were lower than in control, while the glycolysis rates were elevated in MI cells compared to the control. In addition, we observed AA decreased intracellular oxidative stress and reduced the levels of O2(-) in neutrophils. This study therefore identifies targets for AA in activated neutrophils mediated by the MAPK pathway on p47(phox) involved in ROS generation.
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Affiliation(s)
- Sumitra Miriyala
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, USA
| | - Mini Chandra
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, USA
| | - Benjamin Maxey
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, USA
| | - Alicia Day
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, USA
| | - Daret K St Clair
- Graduate Center for Toxicology, University of Kentucky, Lexington, USA
| | - Manikandan Panchatcharam
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, USA; Internal Medicine, University of Kentucky, Lexington, USA.
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42
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Zhao G, Li Y, Cui L, Li X, Jin Z, Han X, Fang E, Gao Y, Zhou D, Jiang H, Jin X, Piao G, Li X, Yang G, Jin J, Zhu E, Piao M, Piao L, Yuan K, Lei Y, Ding D, Jin C, Nan Y, Cheng X. Increased Circulating Cathepsin K in Patients with Chronic Heart Failure. PLoS One 2015; 10:e0136093. [PMID: 26302400 PMCID: PMC4547812 DOI: 10.1371/journal.pone.0136093] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Accepted: 07/29/2015] [Indexed: 12/22/2022] Open
Abstract
Cysteinyl cathepsin K (CatK) is one of the most potent mammalian collagenases involved in cardiovascular disease. Here, we investigated the clinical predictive value of serum CatK levels in patients with chronic heart failure (CHF). We examined 134 patients with CHF, measuring their serum CatK, troponin I, high-sensitive C-reactive protein, and pre-operative N-terminal pro-brain natriuretic peptide levels. The patients were divided into two groups: the 44 patients who showed a left ventricular (LV) ejection fraction (LVEF) < 40% (the “lowLVEF” group) and the 90 patients showing LVEF values ≥ 40% (the “highLVEF” group). The lowLVEF patients had significantly higher serum CatK levels compared to the highLVEF patients (58.4 ± 12.2 vs. 44.7 ± 16.4, P < 0.001). Overall, a linear regression analysis showed that CatK levels correlated negatively with LVEF (r = −0.4, P < 0.001) and positively with LV end-diastolic dimensions (r = 0.2, P < 0.01), LV end-systolic dimensions (r = 0.3, P < 0.001), and left atrial diameters (r = 0.3, P < 0.01). A multiple logistic regression analysis showed that CatK levels were independent predictors of CHF (odds ratio, 0.90; 95% confidence interval, 0.84–0.95; P < 0.01). These data indicate that elevated levels of CatK are closely associated with the presence of CHF and that the measurement of circulating CatK provides a noninvasive method of documenting and monitoring the extent of cardiac remodeling and dysfunction in patients with CHF.
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Affiliation(s)
- Guangxian Zhao
- Department of Cardiology, Yanbian University Hospital, Yanji, Jilin, P.R., China
| | - Yuzi Li
- Department of Cardiology, Yanbian University Hospital, Yanji, Jilin, P.R., China
| | - Lan Cui
- Department of Cardiology, Yanbian University Hospital, Yanji, Jilin, P.R., China
- * E-mail: (LC); (XC)
| | - Xiang Li
- Department of Cardiology, Yanbian University Hospital, Yanji, Jilin, P.R., China
| | - Zhenyi Jin
- Department of Cardiology, Yanbian University Hospital, Yanji, Jilin, P.R., China
| | - Xiongyi Han
- Department of Cardiology, Yanbian University Hospital, Yanji, Jilin, P.R., China
| | - Ennan Fang
- Department of Cardiology, Yanbian University Hospital, Yanji, Jilin, P.R., China
| | - Yihua Gao
- Department of Clinical Examination, Yanbian University Hospital, Yanji, Jilin, P.R., China
| | - Dongmei Zhou
- Department of Central Laboratory, Yanbian University Hospital, Yanji, Jilin, P.R., China
| | - Haiying Jiang
- Department of Physiology and Pathophysiology, Yanbian University Medical College, Yanji, Jilin, P.R., China
| | - Xueying Jin
- Department of Cardiology, Yanbian University Hospital, Yanji, Jilin, P.R., China
| | - Guanghao Piao
- Department of Cardiology, Yanbian University Hospital, Yanji, Jilin, P.R., China
| | - Xiangshan Li
- Department of Central Laboratory, Yanbian University Hospital, Yanji, Jilin, P.R., China
| | - Guang Yang
- Department of Cardiology, Yanbian University Hospital, Yanji, Jilin, P.R., China
| | - Jiyong Jin
- Department of Cardiology, Yanbian University Hospital, Yanji, Jilin, P.R., China
| | - Enbo Zhu
- Department of Cardiology, Yanbian University Hospital, Yanji, Jilin, P.R., China
| | - Meina Piao
- Department of Cardiology, Yanbian University Hospital, Yanji, Jilin, P.R., China
| | - Limei Piao
- Department of Cardiology, Yanbian University Hospital, Yanji, Jilin, P.R., China
| | - Kuichang Yuan
- Department of Cardiology, Yanbian University Hospital, Yanji, Jilin, P.R., China
| | - Yanna Lei
- Department of Cardiology, Yanbian University Hospital, Yanji, Jilin, P.R., China
| | - Dazhi Ding
- Department of Cardiology, Yanbian University Hospital, Yanji, Jilin, P.R., China
| | - Chengzhi Jin
- Department of Clinical Examination, Yanbian University Hospital, Yanji, Jilin, P.R., China
| | - Yongshan Nan
- Department of Anesthesiology, Yanbian University Hospital, Yanji, Jilin P.R., China
| | - Xianwu Cheng
- Department of Cardiology, Yanbian University Hospital, Yanji, Jilin, P.R., China
- * E-mail: (LC); (XC)
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Li X, Cheng XW, Hu L, Wu H, Hao CN, Jiang H, Zhu E, Huang Z, Inoue A, Sasaki T, Du Q, Takeshita K, Okumura K, Murohara T, Kuzuya M. Cathepsin S activity controls ischemia-induced neovascularization in mice. Int J Cardiol 2015; 183:198-208. [PMID: 25668148 DOI: 10.1016/j.ijcard.2015.01.058] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2014] [Revised: 12/11/2014] [Accepted: 01/25/2015] [Indexed: 01/07/2023]
Abstract
BACKGROUND Evidence from human and animal studies has demonstrated elevated levels of the cysteine protease cathepsin S (CatS) in hypoxic atherosclerotic lesions. We hypothesized that silencing of CatS gene would suppress ischemia-induced angiogenic action. METHODS AND RESULTS Left femoral artery ligation-induced ischemia in mice showed the increased expression and activity of CatS in the ischemic muscle. The CatS-deficiency (CatS(-/-)) mice showed impaired functional recovery following hindlimb ischemia and reduced levels of peroxisome proliferator-activated receptor-γ (PPAR-γ), phospho-Akt (p-Akt), p-endothelial nitric oxide synthase, p-extracellular signal-regulated kinase1/2 (Erk1/2), p-p38 mitogen-activated protein kinase, and vascular endothelial growth factor (VEGF) proteins, as well as reduced levels of matrix metalloproteinase-9 and macrophage infiltration in the ischemic muscles. In vitro, CatS silencing reduced the levels of these targeted essential molecules for angiogenesis and vasculogenesis. Together, the results indicated that the effects of CatS knockdown led to defective endothelial cell invasion, proliferation, and tube formation. This notion was reinforced by the finding that CatS inhibition led to a decreased PPAR-γ level and VEGF/Erk1/2 signaling activation in response to ischemia. CatS(-/-) resulted in decreased circulating EPC-like CD31(+)/c-Kit(+) cells, accompanied by the reduction of the cellular levels of PPAR-γ, p-Akt, and VEGF induced by ischemic stress. Transplantation of bone-marrow-derived mononuclear cells from CatS(+/+) mice restored neovascularization in CatS(-/-) mice. CONCLUSIONS CatS activity controls ischemia-induced neovascularization partially via the modulation of PPAR-γ and VEGF/Akt signaling activation.
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Affiliation(s)
- Xiang Li
- Department of Cardiology, Yanbian University Hospital, China
| | - Xian Wu Cheng
- Department of Cardiology, Yanbian University Hospital, China; Department of Geriatrics, Nagoya University Graduate School of Medicine, Japan.
| | - Lina Hu
- Department of Geriatrics, Nagoya University Graduate School of Medicine, Japan
| | - Hongxian Wu
- Department of Cardiology, Nagoya University Graduate School of Medicine, Japan
| | - Chang-Ning Hao
- Department of Cardiology, Nagoya University Graduate School of Medicine, Japan
| | - Haiying Jiang
- Department of Geriatrics, Nagoya University Graduate School of Medicine, Japan; Department of Physiology, Yanbian University School of Medicine, China
| | - Enbo Zhu
- Department of Cardiology, Yanbian University Hospital, China
| | - Zhe Huang
- Department of Neurology, Nagoya University Graduate School of Medicine, Japan
| | - Aiko Inoue
- Department of Geriatrics, Nagoya University Graduate School of Medicine, Japan
| | - Takeshi Sasaki
- Department of Anatomy, Hamamatsu University School of Medicine, Japan
| | - Qiuna Du
- Department of Nephrology, Nagoya University Graduate School of Medicine, Japan
| | - Kyosuke Takeshita
- Department of Cardiology, Nagoya University Graduate School of Medicine, Japan
| | - Kenji Okumura
- Department of Cardiology, Nagoya University Graduate School of Medicine, Japan
| | - Toyoaki Murohara
- Department of Cardiology, Nagoya University Graduate School of Medicine, Japan
| | - Masafumi Kuzuya
- Department of Geriatrics, Nagoya University Graduate School of Medicine, Japan
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Kasabova M, Joulin-Giet A, Lecaille F, Gilmore BF, Marchand-Adam S, Saidi A, Lalmanach G. Regulation of TGF-β1-driven differentiation of human lung fibroblasts: emerging roles of cathepsin B and cystatin C. J Biol Chem 2014; 289:16239-51. [PMID: 24790080 DOI: 10.1074/jbc.m113.542407] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Lung matrix homeostasis partly depends on the fine regulation of proteolytic activities. We examined the expression of human cysteine cathepsins (Cats) and their relative contribution to TGF-β1-induced fibroblast differentiation into myofibroblasts. Assays were conducted using both primary fibroblasts obtained from patients with idiopathic pulmonary fibrosis and human lung CCD-19Lu fibroblasts. Pharmacological inhibition and genetic silencing of Cat B diminished α-smooth muscle actin expression, delayed fibroblast differentiation, and led to an accumulation of intracellular 50-kDa TGF-β1. Moreover, the addition of Cat B generated a 25-kDa mature form of TGF-β1 in Cat B siRNA-pretreated lysates. Inhibition of Cat B decreased Smad 2/3 phosphorylation but had no effect on p38 MAPK and JNK phosphorylation, indicating that Cat B mostly disturbs TGF-β1-driven canonical Smad signaling pathway. Although mRNA expression of cystatin C was stable, its secretion, which was inhibited by brefeldin A, increased during TGF-β1-induced differentiation of idiopathic pulmonary fibrosis and CCD-19Lu fibroblasts. In addition, cystatin C participated in the control of extracellular Cats, because its gene silencing restored their proteolytic activities. These data support the notion that Cat B participates in lung myofibrogenesis as suggested for stellate cells during liver fibrosis. Moreover, we propose that TGF-β1 promotes fibrosis by driving the effective cystatin C-dependent inhibition of extracellular matrix-degrading Cats.
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Affiliation(s)
- Mariana Kasabova
- From the INSERM U1100, Pathologies Pulmonaires: Protéolyse et Aérosolthérapie, Equipe 2: Mécanismes Protéolytiques dans l'Inflammation, Centre d'Etude des Pathologies Respiratoires, Université François Rabelais, Faculté de Médecine, F-37032 Tours, France and
| | - Alix Joulin-Giet
- From the INSERM U1100, Pathologies Pulmonaires: Protéolyse et Aérosolthérapie, Equipe 2: Mécanismes Protéolytiques dans l'Inflammation, Centre d'Etude des Pathologies Respiratoires, Université François Rabelais, Faculté de Médecine, F-37032 Tours, France and
| | - Fabien Lecaille
- From the INSERM U1100, Pathologies Pulmonaires: Protéolyse et Aérosolthérapie, Equipe 2: Mécanismes Protéolytiques dans l'Inflammation, Centre d'Etude des Pathologies Respiratoires, Université François Rabelais, Faculté de Médecine, F-37032 Tours, France and
| | - Brendan F Gilmore
- the Queen's University Belfast, School of Pharmacy, McClay Research Centre, Belfast, BT9 7BL, United Kingdom
| | - Sylvain Marchand-Adam
- From the INSERM U1100, Pathologies Pulmonaires: Protéolyse et Aérosolthérapie, Equipe 2: Mécanismes Protéolytiques dans l'Inflammation, Centre d'Etude des Pathologies Respiratoires, Université François Rabelais, Faculté de Médecine, F-37032 Tours, France and
| | - Ahlame Saidi
- From the INSERM U1100, Pathologies Pulmonaires: Protéolyse et Aérosolthérapie, Equipe 2: Mécanismes Protéolytiques dans l'Inflammation, Centre d'Etude des Pathologies Respiratoires, Université François Rabelais, Faculté de Médecine, F-37032 Tours, France and
| | - Gilles Lalmanach
- From the INSERM U1100, Pathologies Pulmonaires: Protéolyse et Aérosolthérapie, Equipe 2: Mécanismes Protéolytiques dans l'Inflammation, Centre d'Etude des Pathologies Respiratoires, Université François Rabelais, Faculté de Médecine, F-37032 Tours, France and
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Hu L, Cheng XW, Song H, Inoue A, Jiang H, Li X, Shi GP, Kozawa E, Okumura K, Kuzuya M. Cathepsin K activity controls injury-related vascular repair in mice. Hypertension 2013; 63:607-15. [PMID: 24343118 DOI: 10.1161/hypertensionaha.113.02141] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Cathepsin K (CatK) is one of the most potent mammalian collagenases. We showed previously the increased expression of CatK in human and animal atherosclerotic lesions. Here, we hypothesized that ablation of CatK mitigates injury-induced neointimal hyperplasia. Male wild-type (CatK(+/+)) and CatK-deficient (CatK(-/-)) mice underwent ligation or a combination of ligation and polyethylene cuff-replacement injuries to the right common carotid artery just proximal to its bifurcation, and they were then processed for morphological and biochemical studies at specific time points. On operative day 28, CatK(-/-) significantly reduced neointimal formation and neovessel formation in both single- and combination-injured arteries compared with the Cat K(+/+) mice. At early time points, CatK(-/-) reduced the lesion macrophage contents and medial smooth muscle cell proliferation, the mRNA levels of monocyte chemoattractant protein-1, toll-like receptor-2, toll-like receptor-4, chemokine ligand-12, and the gelatinolytic activity related to matrix metalloproteinase-2/-9. An aorta-explant assay revealed that smooth muscle cell movement was impaired in the CatK(-/-) mice compared with the CatK(+/+) mice. In addition, the smooth muscle cells and macrophages from CatK(-/-) mice had less invasive ability through a reconstituted basement membrane barrier. This vasculoprotective effect was mimicked by Cat inhibition with trans-epoxysuccinyl-L-leucylamido-{4-guanidino} butane (E64d). These results demonstrate an essential role of CatK in neointimal lesion formation in response to injury, possibly via the reduction of toll-like receptor-2/-4-mediated inflammation and smooth muscle cell proliferation, suggesting a novel therapeutic strategy for the control of endovascular treatment-related restenosis by regulating CatK activity.
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Affiliation(s)
- Lina Hu
- Department of Community Healthcare and Geriatrics, Nagoya University Graduate School of Medicine, 65 Tsuruma-cho, Showa-ku, Nagoya 466-8550, Japan. or
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Inhibition of cathepsin S produces neuroprotective effects after traumatic brain injury in mice. Mediators Inflamm 2013; 2013:187873. [PMID: 24282339 PMCID: PMC3824312 DOI: 10.1155/2013/187873] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2013] [Revised: 08/16/2013] [Accepted: 09/04/2013] [Indexed: 11/20/2022] Open
Abstract
Cathepsin S (CatS) is a cysteine protease normally present in lysosomes. It has long been regarded as an enzyme that is primarily involved in general protein degradation. More recently, mounting evidence has shown that it is involved in Alzheimer disease, seizures, age-related inflammatory processes, and neuropathic pain. In this study, we investigated the time course of CatS protein and mRNA expression and the cellular distribution of CatS in a mouse model of traumatic brain injury (TBI). To clarify the roles of CatS in TBI, we injected the mice intraventricularly with LHVS, a nonbrain penetrant, irreversible CatS inhibitor, and examined the effect on inflammation and neurobehavioral function. We found that expression of CatS was increased as early as 1 h after TBI at both protein and mRNA levels. The increased expression was detected in microglia and neurons. Inhibition of CatS significantly reduced the level of TBI-induced inflammatory factors in brain tissue and alleviated brain edema. Additionally, administration of LHVS led to a decrease in neuronal degeneration and improved neurobehavioral function. These results imply that CatS is involved in the secondary injury after TBI and provide a new perspective for preventing secondary injury after TBI.
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