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Moreno J, Gluud LL, Galsgaard ED, Hvid H, Mazzoni G, Das V. Identification of ligand and receptor interactions in CKD and MASH through the integration of single cell and spatial transcriptomics. PLoS One 2024; 19:e0302853. [PMID: 38768139 PMCID: PMC11104622 DOI: 10.1371/journal.pone.0302853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 04/10/2024] [Indexed: 05/22/2024] Open
Abstract
BACKGROUND Chronic Kidney Disease (CKD) and Metabolic dysfunction-associated steatohepatitis (MASH) are metabolic fibroinflammatory diseases. Combining single-cell (scRNAseq) and spatial transcriptomics (ST) could give unprecedented molecular disease understanding at single-cell resolution. A more comprehensive analysis of the cell-specific ligand-receptor (L-R) interactions could provide pivotal information about signaling pathways in CKD and MASH. To achieve this, we created an integrative analysis framework in CKD and MASH from two available human cohorts. RESULTS The analytical framework identified L-R pairs involved in cellular crosstalk in CKD and MASH. Interactions between cell types identified using scRNAseq data were validated by checking the spatial co-presence using the ST data and the co-expression of the communicating targets. Multiple L-R protein pairs identified are known key players in CKD and MASH, while others are novel potential targets previously observed only in animal models. CONCLUSION Our study highlights the importance of integrating different modalities of transcriptomic data for a better understanding of the molecular mechanisms. The combination of single-cell resolution from scRNAseq data, combined with tissue slide investigations and visualization of cell-cell interactions obtained through ST, paves the way for the identification of future potential therapeutic targets and developing effective therapies.
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Affiliation(s)
- Jaime Moreno
- Digital Science and Innovation, Computational Biology – AI & Digital Research, Novo Nordisk A/S, Maløv, Denmark
| | - Lise Lotte Gluud
- Gastro Unit, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark
- Dept of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | | | - Henning Hvid
- Global Drug Discovery, Novo Nordisk A/S, Maløv, Denmark
| | - Gianluca Mazzoni
- Digital Science and Innovation, Computational Biology – AI & Digital Research, Novo Nordisk A/S, Maløv, Denmark
| | - Vivek Das
- Digital Science and Innovation, Computational Biology – AI & Digital Research, Novo Nordisk A/S, Maløv, Denmark
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Tang Z, Xia Z, Wang X, Liu Y. The critical role of osteopontin (OPN) in fibrotic diseases. Cytokine Growth Factor Rev 2023; 74:86-99. [PMID: 37648616 DOI: 10.1016/j.cytogfr.2023.08.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 08/22/2023] [Accepted: 08/22/2023] [Indexed: 09/01/2023]
Abstract
Fibrosis is a pathological condition characterized by the excessive deposition of extracellular matrix components in tissues and organs, leading to progressive architectural remodelling and contributing to the development of various diseases. Osteopontin (OPN), a highly phosphorylated glycoprotein, has been increasingly recognized for its involvement in the progression of tissue fibrosis. This review provides a comprehensive overview of the genetic and protein structure of OPN and focuses on our current understanding of the role of OPN in the development of fibrosis in the lungs and other tissues. Additionally, special attention is given to the potential of OPN as a biomarker and a novel therapeutic target in the treatment of fibrosis.
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Affiliation(s)
- Ziyi Tang
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu 610041, China; Laboratory of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu 610041, China; Rare Diseases Center, Institute of Immunology and Inflammation, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Zijing Xia
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu 610041, China; Laboratory of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu 610041, China; Rare Diseases Center, Institute of Immunology and Inflammation, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Xiangpeng Wang
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu 610041, China; Department of Rheumatology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100000, China
| | - Yi Liu
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu 610041, China; Laboratory of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu 610041, China; Rare Diseases Center, Institute of Immunology and Inflammation, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China.
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Mamazhakypov A, Sartmyrzaeva M, Sarybaev AS, Schermuly R, Sydykov A. Clinical and Molecular Implications of Osteopontin in Heart Failure. Curr Issues Mol Biol 2022; 44:3573-3597. [PMID: 36005141 PMCID: PMC9406846 DOI: 10.3390/cimb44080245] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/04/2022] [Accepted: 08/08/2022] [Indexed: 11/16/2022] Open
Abstract
The matricellular protein osteopontin modulates cell-matrix interactions during tissue injury and healing. A complex multidomain structure of osteopontin enables it not only to bind diverse cell receptors but also to interact with various partners, including other extracellular matrix proteins, cytokines, and growth factors. Numerous studies have implicated osteopontin in the development and progression of myocardial remodeling in diverse cardiac diseases. Osteopontin influences myocardial remodeling by regulating extracellular matrix production, the activity of matrix metalloproteinases and various growth factors, inflammatory cell recruitment, myofibroblast differentiation, cardiomyocyte apoptosis, and myocardial vascularization. The exploitation of osteopontin loss- and gain-of-function approaches in rodent models provided an opportunity for assessment of the cell- and disease-specific contribution of osteopontin to myocardial remodeling. In this review, we summarize the recent knowledge on osteopontin regulation and its impact on various cardiac diseases, as well as delineate complex disease- and cell-specific roles of osteopontin in cardiac pathologies. We also discuss the current progress of therapeutics targeting osteopontin that may facilitate the development of a novel strategy for heart failure treatment.
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Affiliation(s)
- Argen Mamazhakypov
- Department of Internal Medicine, German Center for Lung Research (DZL), Justus Liebig University of Giessen, 35392 Giessen, Germany
| | - Meerim Sartmyrzaeva
- Department of Mountain and Sleep Medicine and Pulmonary Hypertension, National Center of Cardiology and Internal Medicine, Bishkek 720040, Kyrgyzstan
| | - Akpay Sh. Sarybaev
- Department of Mountain and Sleep Medicine and Pulmonary Hypertension, National Center of Cardiology and Internal Medicine, Bishkek 720040, Kyrgyzstan
| | - Ralph Schermuly
- Department of Internal Medicine, German Center for Lung Research (DZL), Justus Liebig University of Giessen, 35392 Giessen, Germany
| | - Akylbek Sydykov
- Department of Internal Medicine, German Center for Lung Research (DZL), Justus Liebig University of Giessen, 35392 Giessen, Germany
- Correspondence:
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Künzel SR, Hoffmann M, Weber S, Künzel K, Kämmerer S, Günscht M, Klapproth E, Rausch JS, Sadek MS, Kolanowski T, Meyer-Roxlau S, Piorkowski C, Tugtekin SM, Rose-John S, Yin X, Mayr M, Kuhlmann JD, Wimberger P, Grützmann K, Herzog N, Küpper JH, O’Reilly M, Kabir SN, Sommerfeld LC, Guan K, Wielockx B, Fabritz L, Nattel S, Ravens U, Dobrev D, Wagner M, El-Armouche A. Diminished PLK2 Induces Cardiac Fibrosis and Promotes Atrial Fibrillation. Circ Res 2021; 129:804-820. [PMID: 34433292 PMCID: PMC8487716 DOI: 10.1161/circresaha.121.319425] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 08/24/2021] [Accepted: 08/25/2021] [Indexed: 12/19/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Stephan R. Künzel
- Institute of Pharmacology and Toxicology, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden (S.R.K., M.H., S.W., K.K., S.K., M.G., E.K., J.S.E.R., M.S.S., T.K., S.M.-R., K.G., M.W., A.E.-A.)
- Department of Dermatology, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden (S.R.K.)
| | - Maximilian Hoffmann
- Institute of Pharmacology and Toxicology, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden (S.R.K., M.H., S.W., K.K., S.K., M.G., E.K., J.S.E.R., M.S.S., T.K., S.M.-R., K.G., M.W., A.E.-A.)
| | - Silvio Weber
- Institute of Pharmacology and Toxicology, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden (S.R.K., M.H., S.W., K.K., S.K., M.G., E.K., J.S.E.R., M.S.S., T.K., S.M.-R., K.G., M.W., A.E.-A.)
| | - Karolina Künzel
- Institute of Pharmacology and Toxicology, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden (S.R.K., M.H., S.W., K.K., S.K., M.G., E.K., J.S.E.R., M.S.S., T.K., S.M.-R., K.G., M.W., A.E.-A.)
| | - Susanne Kämmerer
- Institute of Pharmacology and Toxicology, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden (S.R.K., M.H., S.W., K.K., S.K., M.G., E.K., J.S.E.R., M.S.S., T.K., S.M.-R., K.G., M.W., A.E.-A.)
| | - Mario Günscht
- Institute of Pharmacology and Toxicology, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden (S.R.K., M.H., S.W., K.K., S.K., M.G., E.K., J.S.E.R., M.S.S., T.K., S.M.-R., K.G., M.W., A.E.-A.)
| | - Erik Klapproth
- Institute of Pharmacology and Toxicology, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden (S.R.K., M.H., S.W., K.K., S.K., M.G., E.K., J.S.E.R., M.S.S., T.K., S.M.-R., K.G., M.W., A.E.-A.)
| | - Johanna S.E. Rausch
- Institute of Pharmacology and Toxicology, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden (S.R.K., M.H., S.W., K.K., S.K., M.G., E.K., J.S.E.R., M.S.S., T.K., S.M.-R., K.G., M.W., A.E.-A.)
| | - Mirna S. Sadek
- Institute of Pharmacology and Toxicology, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden (S.R.K., M.H., S.W., K.K., S.K., M.G., E.K., J.S.E.R., M.S.S., T.K., S.M.-R., K.G., M.W., A.E.-A.)
| | - Tomasz Kolanowski
- Institute of Pharmacology and Toxicology, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden (S.R.K., M.H., S.W., K.K., S.K., M.G., E.K., J.S.E.R., M.S.S., T.K., S.M.-R., K.G., M.W., A.E.-A.)
| | - Stefanie Meyer-Roxlau
- Institute of Pharmacology and Toxicology, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden (S.R.K., M.H., S.W., K.K., S.K., M.G., E.K., J.S.E.R., M.S.S., T.K., S.M.-R., K.G., M.W., A.E.-A.)
| | - Christopher Piorkowski
- Department of Rhythmology (C.P., M.W.), Clinic for Internal Medicine and Cardiology, Heart Center Dresden GmbH, Dresden, Technische Universität Dresden
| | - Sems M. Tugtekin
- Department of Cardiac Surgery (S.M.T.), Clinic for Internal Medicine and Cardiology, Heart Center Dresden GmbH, Dresden, Technische Universität Dresden
| | - Stefan Rose-John
- Unit for Degradomics of the Protease Web, Institute of Biochemistry, University of Kiel (S.R.-J.)
| | - Xiaoke Yin
- The James Black Centre, King’s College, University of London (X.Y., M.M.)
| | - Manuel Mayr
- The James Black Centre, King’s College, University of London (X.Y., M.M.)
- Internal Medicine III, University Hospital Carl Gustav Carus, Technische Universität Dresden (M.M.)
| | - Jan Dominik Kuhlmann
- Department of Gynecology and Obstetrics, Medical Faculty and University Hospital Carl Gustav Carus, Technische Universität Dresden (J.D.K., P.W.)
- German Cancer Consortium (DKTK), Dresden and German Cancer Research Center (DKFZ), Heidelberg (J.D.K., P.W.)
- National Center for Tumor Diseases (NCT), Partner Site Dresden (J.D.K., P.W., K.G.)
| | - Pauline Wimberger
- Department of Gynecology and Obstetrics, Medical Faculty and University Hospital Carl Gustav Carus, Technische Universität Dresden (J.D.K., P.W.)
- German Cancer Consortium (DKTK), Dresden and German Cancer Research Center (DKFZ), Heidelberg (J.D.K., P.W.)
- National Center for Tumor Diseases (NCT), Partner Site Dresden (J.D.K., P.W., K.G.)
| | - Konrad Grützmann
- Institute of Pharmacology and Toxicology, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden (S.R.K., M.H., S.W., K.K., S.K., M.G., E.K., J.S.E.R., M.S.S., T.K., S.M.-R., K.G., M.W., A.E.-A.)
- National Center for Tumor Diseases (NCT), Partner Site Dresden (J.D.K., P.W., K.G.)
| | - Natalie Herzog
- Brandenburg University of Technology, Senftenberg (N.H., J.-H.K.)
| | | | - Molly O’Reilly
- Institute of Cardiovascular Sciences, University of Birmingham (M.O., S.N.K., L.C.S.)
| | - S. Nashitha Kabir
- Institute of Cardiovascular Sciences, University of Birmingham (M.O., S.N.K., L.C.S.)
| | - Laura C. Sommerfeld
- Institute of Cardiovascular Sciences, University of Birmingham (M.O., S.N.K., L.C.S.)
- University Center of Cardiovascular Science and Department of Cardiology, University Heart and Vascular Center Hamburg (L.F., L.C.S.)
| | - Kaomei Guan
- Institute of Pharmacology and Toxicology, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden (S.R.K., M.H., S.W., K.K., S.K., M.G., E.K., J.S.E.R., M.S.S., T.K., S.M.-R., K.G., M.W., A.E.-A.)
- Department of Rhythmology (C.P., M.W.), Clinic for Internal Medicine and Cardiology, Heart Center Dresden GmbH, Dresden, Technische Universität Dresden
- Department of Cardiac Surgery (S.M.T.), Clinic for Internal Medicine and Cardiology, Heart Center Dresden GmbH, Dresden, Technische Universität Dresden
- Unit for Degradomics of the Protease Web, Institute of Biochemistry, University of Kiel (S.R.-J.)
- The James Black Centre, King’s College, University of London (X.Y., M.M.)
- Department of Gynecology and Obstetrics, Medical Faculty and University Hospital Carl Gustav Carus, Technische Universität Dresden (J.D.K., P.W.)
- German Cancer Consortium (DKTK), Dresden and German Cancer Research Center (DKFZ), Heidelberg (J.D.K., P.W.)
- National Center for Tumor Diseases (NCT), Partner Site Dresden (J.D.K., P.W., K.G.)
- Brandenburg University of Technology, Senftenberg (N.H., J.-H.K.)
- Institute of Cardiovascular Sciences, University of Birmingham (M.O., S.N.K., L.C.S.)
- Institute of Clinical Chemistry and Laboratory Medicine, Technische Universität Dresden (B.W.)
- Department of Cardiology, University Hospitals Birmingham (L.F.)
- Department of Medicine, Montreal Heart Institute and Université de Montréal, Quebec, Canada (S.N., D.D.)
- Institut für Experimentelle Kardiovaskuläre Medizin, Universitäts Herzzentrum, Freiburg Bad Krotzingen, Freiburg im Breisgau (U.R.)
- Institute of Pharmacology, West German Heart and Vascular Center, University Duisburg-Essen (S.N., D.D.)
- IHU Liryc, Electrophysiology and Heart Modeling Institute, Fondation Bordeaux Université (S.N.)
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine (D.D.)
- Department of Dermatology, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden (S.R.K.)
- Internal Medicine III, University Hospital Carl Gustav Carus, Technische Universität Dresden (M.M.)
- University Center of Cardiovascular Science and Department of Cardiology, University Heart and Vascular Center Hamburg (L.F., L.C.S.)
| | - Ben Wielockx
- Institute of Clinical Chemistry and Laboratory Medicine, Technische Universität Dresden (B.W.)
| | - Larissa Fabritz
- Department of Cardiology, University Hospitals Birmingham (L.F.)
- University Center of Cardiovascular Science and Department of Cardiology, University Heart and Vascular Center Hamburg (L.F., L.C.S.)
| | - Stanley Nattel
- Department of Medicine, Montreal Heart Institute and Université de Montréal, Quebec, Canada (S.N., D.D.)
- Institute of Pharmacology, West German Heart and Vascular Center, University Duisburg-Essen (S.N., D.D.)
- IHU Liryc, Electrophysiology and Heart Modeling Institute, Fondation Bordeaux Université (S.N.)
| | - Ursula Ravens
- Institut für Experimentelle Kardiovaskuläre Medizin, Universitäts Herzzentrum, Freiburg Bad Krotzingen, Freiburg im Breisgau (U.R.)
| | - Dobromir Dobrev
- Department of Medicine, Montreal Heart Institute and Université de Montréal, Quebec, Canada (S.N., D.D.)
- Institute of Pharmacology, West German Heart and Vascular Center, University Duisburg-Essen (S.N., D.D.)
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine (D.D.)
| | - Michael Wagner
- Institute of Pharmacology and Toxicology, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden (S.R.K., M.H., S.W., K.K., S.K., M.G., E.K., J.S.E.R., M.S.S., T.K., S.M.-R., K.G., M.W., A.E.-A.)
- Department of Rhythmology (C.P., M.W.), Clinic for Internal Medicine and Cardiology, Heart Center Dresden GmbH, Dresden, Technische Universität Dresden
| | - Ali El-Armouche
- Institute of Pharmacology and Toxicology, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden (S.R.K., M.H., S.W., K.K., S.K., M.G., E.K., J.S.E.R., M.S.S., T.K., S.M.-R., K.G., M.W., A.E.-A.)
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Osteopontin in Cardiovascular Diseases. Biomolecules 2021; 11:biom11071047. [PMID: 34356671 PMCID: PMC8301767 DOI: 10.3390/biom11071047] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 07/14/2021] [Accepted: 07/14/2021] [Indexed: 12/12/2022] Open
Abstract
Unprecedented advances in secondary prevention have greatly improved the prognosis of cardiovascular diseases (CVDs); however, CVDs remain a leading cause of death globally. These findings suggest the need to reconsider cardiovascular risk and optimal medical therapy. Numerous studies have shown that inflammation, pro-thrombotic factors, and gene mutations are focused not only on cardiovascular residual risk but also as the next therapeutic target for CVDs. Furthermore, recent clinical trials, such as the Canakinumab Anti-inflammatory Thrombosis Outcomes Study trial, showed the possibility of anti-inflammatory therapy for patients with CVDs. Osteopontin (OPN) is a matricellular protein that mediates diverse biological functions and is involved in a number of pathological states in CVDs. OPN has a two-faced phenotype that is dependent on the pathological state. Acute increases in OPN have protective roles, including wound healing, neovascularization, and amelioration of vascular calcification. By contrast, chronic increases in OPN predict poor prognosis of a major adverse cardiovascular event independent of conventional cardiovascular risk factors. Thus, OPN can be a therapeutic target for CVDs but is not clinically available. In this review, we discuss the role of OPN in the development of CVDs and its potential as a therapeutic target.
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Osteopontin: The Molecular Bridge between Fat and Cardiac-Renal Disorders. Int J Mol Sci 2020; 21:ijms21155568. [PMID: 32759639 PMCID: PMC7432729 DOI: 10.3390/ijms21155568] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 07/30/2020] [Accepted: 08/01/2020] [Indexed: 12/12/2022] Open
Abstract
Osteopontin (OPN) is a multifaceted matricellular protein, with well-recognized roles in both the physiological and pathological processes in the body. OPN is expressed in the main organs and cell types, in which it induces different biological actions. During physiological conditioning, OPN acts as both an intracellular protein and soluble excreted cytokine, regulating tissue remodeling and immune-infiltrate in adipose tissue the heart and the kidney. In contrast, the increased expression of OPN has been correlated with the severity of the cardiovascular and renal outcomes associated with obesity. Indeed, OPN expression is at the “cross roads” of visceral fat extension, cardiovascular diseases (CVDs) and renal disorders, in which OPN orchestrates the molecular interactions, leading to chronic low-grade inflammation. The common factor associated with OPN overexpression in adipose, cardiac and renal tissues seems attributable to the concomitant increase in visceral fat size and the increase in infiltrated OPN+ macrophages. This review underlines the current knowledge on the molecular interactions between obesity and the cardiac–renal disorders ruled by OPN.
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Bi X, Yang C, Song Y, Yuan J, Cui J, Hu F, Qiao S. Matrix Metalloproteinases Increase Because of Hypoperfusion in Obstructive Hypertrophic Cardiomyopathy. Ann Thorac Surg 2020; 111:915-922. [PMID: 32738221 DOI: 10.1016/j.athoracsur.2020.05.156] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 04/02/2020] [Accepted: 05/26/2020] [Indexed: 01/02/2023]
Abstract
BACKGROUND Myocardial fibrosis (MF) is considered a result of microvascular dysfunction in patients with hypertrophic cardiomyopathy. Matrix metalloproteinases (MMPs) and their tissue inhibitors (TIMPs), capable of degrading collagen, directly participate in the development of MF. First we investigated the relationships among MF, microvascular rarefaction, and MMPs. Then we assessed the prognostic value of MF-related circulating biomarkers. METHODS Fifty-five obstructive hypertrophic cardiomyopathy (HOCM) patients were enrolled after surgical myectomy. Myocardial samples were performed with Masson's trichrome staining and immunohistochemical procedures for collagen volume fraction and microvascular density, respectively. Enzyme-linked immunosorbent assays were used to assess myocardial and plasma of MMP-2, MMP-9, and TIMP-1 and plasma C-terminal propeptide of procollagen type Ⅰ (PICP) and C-terminal telopeptide of type Ⅰ collagen (ICTP) levels. The composite cardiovascular endpoint consisted of new-onset atrial fibrillation, heart failure requiring hospitalization, and all-cause death. RESULTS In HOCM patients microvascular density was associated with the myocardial MMP-2/TIMP-1 ratio (r = -0.348, P = .009), whereas no correlation was found between collagen volume fraction and myocardial MMPs. During the 44-month follow-up 6 patients experienced a cardiovascular endpoint. The plasma PICP/ICTP ratio and MMP-2/TIMP-1 ratio were the 2 strongest prognostic makers. In multivariable analyses high PICP/ICTP and MMP-2/TIMP-1 ratios remained independent predictors of cardiovascular outcomes after adjusting for clinical confounders (hazard ratios, 12.683 [P = .021] and 17.037 [P = .027], respectively). CONCLUSIONS In HOCM patients the myocardial MMP-2/TIMP-1 ratio was elevated because of microvascular rarefaction but may not be responsible for MF. High plasma PICP/ICTP and MMP-2/TIMP-1 ratios are independent predictors of adverse outcomes in HOCM patients.
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Affiliation(s)
- Xuanye Bi
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Chengzhi Yang
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yunhu Song
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jiansong Yuan
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jingang Cui
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Fenghuan Hu
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Shubin Qiao
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
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Herum KM, Romaine A, Wang A, Melleby AO, Strand ME, Pacheco J, Braathen B, Dunér P, Tønnessen T, Lunde IG, Sjaastad I, Brakebusch C, McCulloch AD, Gomez MF, Carlson CR, Christensen G. Syndecan-4 Protects the Heart From the Profibrotic Effects of Thrombin-Cleaved Osteopontin. J Am Heart Assoc 2020; 9:e013518. [PMID: 32000579 PMCID: PMC7033859 DOI: 10.1161/jaha.119.013518] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 11/05/2019] [Indexed: 01/18/2023]
Abstract
Background Pressure overload of the heart occurs in patients with hypertension or valvular stenosis and induces cardiac fibrosis because of excessive production of extracellular matrix by activated cardiac fibroblasts. This initially provides essential mechanical support to the heart, but eventually compromises function. Osteopontin is associated with fibrosis; however, the underlying signaling mechanisms are not well understood. Herein, we examine the effect of thrombin-cleaved osteopontin on fibrosis in the heart and explore the role of syndecan-4 in regulating cleavage of osteopontin. Methods and Results Osteopontin was upregulated and cleaved by thrombin in the pressure-overloaded heart of mice subjected to aortic banding. Cleaved osteopontin was higher in plasma from patients with aortic stenosis receiving crystalloid compared with blood cardioplegia, likely because of less heparin-induced inhibition of thrombin. Cleaved osteopontin and the specific osteopontin peptide sequence RGDSLAYGLR that is exposed after thrombin cleavage both induced collagen production in cardiac fibroblasts. Like osteopontin, the heparan sulfate proteoglycan syndecan-4 was upregulated after aortic banding. Consistent with a heparan sulfate binding domain in the osteopontin cleavage site, syndecan-4 was found to bind to osteopontin in left ventricles and cardiac fibroblasts and protected osteopontin from cleavage by thrombin. Shedding of the extracellular part of syndecan-4 was more prominent at later remodeling phases, at which time levels of cleaved osteopontin were increased. Conclusions Thrombin-cleaved osteopontin induces collagen production by cardiac fibroblasts. Syndecan-4 protects osteopontin from cleavage by thrombin, but this protection is lost when syndecan-4 is shed in later phases of remodeling, contributing to progression of cardiac fibrosis.
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Affiliation(s)
- Kate M. Herum
- Institute for Experimental Medical ResearchOslo University Hospital and University of OsloNorway
- KG Jebsen Center for Cardiac ResearchUniversity of OsloNorway
- Center for Heart Failure ResearchOslo University HospitalOsloNorway
- Department of BioengineeringUniversity of California, San DiegoLa JollaCA
- Biotech Research and Innovation CentreUniversity of CopenhagenDenmark
| | - Andreas Romaine
- Institute for Experimental Medical ResearchOslo University Hospital and University of OsloNorway
- KG Jebsen Center for Cardiac ResearchUniversity of OsloNorway
- Center for Heart Failure ResearchOslo University HospitalOsloNorway
| | - Ariel Wang
- Department of BioengineeringUniversity of California, San DiegoLa JollaCA
| | - Arne Olav Melleby
- Institute for Experimental Medical ResearchOslo University Hospital and University of OsloNorway
- KG Jebsen Center for Cardiac ResearchUniversity of OsloNorway
- Center for Heart Failure ResearchOslo University HospitalOsloNorway
| | - Mari E. Strand
- Institute for Experimental Medical ResearchOslo University Hospital and University of OsloNorway
- KG Jebsen Center for Cardiac ResearchUniversity of OsloNorway
- Center for Heart Failure ResearchOslo University HospitalOsloNorway
| | - Julian Pacheco
- Department of BioengineeringUniversity of California, San DiegoLa JollaCA
| | - Bjørn Braathen
- Department of Cardiothoracic SurgeryOslo University HospitalOsloNorway
| | - Pontus Dunér
- Department of Clinical SciencesLund University Diabetes CentreLund UniversityMalmöSweden
| | - Theis Tønnessen
- Institute for Experimental Medical ResearchOslo University Hospital and University of OsloNorway
- Department of Cardiothoracic SurgeryOslo University HospitalOsloNorway
| | - Ida G. Lunde
- Institute for Experimental Medical ResearchOslo University Hospital and University of OsloNorway
- KG Jebsen Center for Cardiac ResearchUniversity of OsloNorway
- Center for Heart Failure ResearchOslo University HospitalOsloNorway
| | - Ivar Sjaastad
- Institute for Experimental Medical ResearchOslo University Hospital and University of OsloNorway
- KG Jebsen Center for Cardiac ResearchUniversity of OsloNorway
- Center for Heart Failure ResearchOslo University HospitalOsloNorway
| | - Cord Brakebusch
- Biotech Research and Innovation CentreUniversity of CopenhagenDenmark
| | - Andrew D. McCulloch
- Department of BioengineeringUniversity of California, San DiegoLa JollaCA
- Department of MedicineUniversity of California, San DiegoLa JollaCA
| | - Maria F. Gomez
- Department of Clinical SciencesLund University Diabetes CentreLund UniversityMalmöSweden
| | - Cathrine R. Carlson
- Institute for Experimental Medical ResearchOslo University Hospital and University of OsloNorway
- KG Jebsen Center for Cardiac ResearchUniversity of OsloNorway
- Center for Heart Failure ResearchOslo University HospitalOsloNorway
| | - Geir Christensen
- Institute for Experimental Medical ResearchOslo University Hospital and University of OsloNorway
- KG Jebsen Center for Cardiac ResearchUniversity of OsloNorway
- Center for Heart Failure ResearchOslo University HospitalOsloNorway
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9
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Abdelaziz Mohamed I, Gadeau AP, Hasan A, Abdulrahman N, Mraiche F. Osteopontin: A Promising Therapeutic Target in Cardiac Fibrosis. Cells 2019; 8:cells8121558. [PMID: 31816901 PMCID: PMC6952988 DOI: 10.3390/cells8121558] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 11/15/2019] [Accepted: 11/19/2019] [Indexed: 12/20/2022] Open
Abstract
Osteopontin (OPN) is recognized for its significant roles in both physiological and pathological processes. Initially, OPN was recognized as a cytokine with pro-inflammatory actions. More recently, OPN has emerged as a matricellular protein of the extracellular matrix (ECM). OPN is also known to be a substrate for proteolytic cleavage by several proteases that form an integral part of the ECM. In the adult heart under physiological conditions, basal levels of OPN are expressed. Increased expression of OPN has been correlated with the progression of cardiac remodeling and fibrosis to heart failure and the severity of the condition. The intricate process by which OPN mediates its effects include the coordination of intracellular signals necessary for the differentiation of fibroblasts into myofibroblasts, promoting angiogenesis, wound healing, and tissue regeneration. In this review, we discuss the role of OPN in contributing to the development of cardiac fibrosis and its suitability as a therapeutic target.
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Affiliation(s)
- Iman Abdelaziz Mohamed
- Visiting Scholar, Center of Excellence for Stem Cells and Regenerative Medicine (CESC), Zewail City of Science and Technology, 6th of October City, P.O. Box 12588 Giza Governorate, Egypt;
| | - Alain-Pierre Gadeau
- INSERM, Biology of Cardiovascular Disease, University of Bordeaux, U1034 Pessac, France;
| | - Anwarul Hasan
- Department of Mechanical and Industrial Engineering, College of Engineering, Qatar University, P.O. Box 2713 Doha, Qatar;
- Biomedical Research Center (BRC), Qatar University, P.O. Box 2713 Doha, Qatar
| | - Nabeel Abdulrahman
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, P.O. Box 3050 Doha, Qatar;
- Department of Pharmaceutical Sciences, College of Pharmacy, QU Health, Qatar University, P.O. Box 2713 Doha, Qatar
| | - Fatima Mraiche
- Department of Pharmaceutical Sciences, College of Pharmacy, QU Health, Qatar University, P.O. Box 2713 Doha, Qatar
- Correspondence:
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10
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Huang J, Chang S, Lu Y, Wang J, Si Y, Zhang L, Cheng S, Jiang WG. Enhanced osteopontin splicing regulated by RUNX2 is HDAC-dependent and induces invasive phenotypes in NSCLC cells. Cancer Cell Int 2019; 19:306. [PMID: 31832019 PMCID: PMC6873507 DOI: 10.1186/s12935-019-1033-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 11/12/2019] [Indexed: 12/17/2022] Open
Abstract
Background Increased cell mobility is a signature when tumor cells undergo epithelial-to-mesenchymal transition. TGF-β is a key stimulating factor to promote the transcription of a variety of downstream genes to accelerate cancer progression and metastasis, including osteopontin (OPN) which exists in several functional forms as different splicing variants. In non-small cell lung cancer cells, although increased total OPN expression was observed under various EMT conditions, the exact constitution and the underlining mechanism towards the generation of such OPN splicing isoforms was poorly understood. Methods We investigated the possible mechanisms of osteopontin splicing variant and its role in EMT and cancer metastasis using NSCLC cell line and cell and molecular biology techniques. Results In this study, we determined that OPNc, an exon 4 excluded shorter form of Opn gene products, appeared to be more potent to promote cell invasion. The expression of OPNc was selectively increased to higher abundance during EMT following TGF-β induction. The switching from OPNa to OPNc could be enhanced by RUNX2 (a transcription factor that recognizes the Opn gene promoter) overexpression, but appeared to be strictly in a HDAC dependent manner in A549 cells. The results suggested the increase of minor splicing variant of OPNc required both (1) the enhanced transcription from its coding gene driven by specific transcription factors; and (2) the simultaneous modulation or fluctuation of the coupled splicing process that depends to selective classed of epigenetic regulators, predominately HDAC family members. Conclusion Our study not only emphasized the importance of splicing variant for its role in EMT and cancer metastasis, but also helped to understand the possible mechanisms of the epigenetic controls for defining the levels and kinetic of gene splicing isoforms and their generations.
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Affiliation(s)
- Jing Huang
- 1Department of Medical Genetics and Developmental Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100069 China.,2Beijing Key Laboratory of Cancer & Metastasis Research, Capital Medical University, Beijing, 100069 China
| | - Siyuan Chang
- 1Department of Medical Genetics and Developmental Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100069 China.,2Beijing Key Laboratory of Cancer & Metastasis Research, Capital Medical University, Beijing, 100069 China
| | - Yabin Lu
- 1Department of Medical Genetics and Developmental Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100069 China
| | - Jing Wang
- 1Department of Medical Genetics and Developmental Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100069 China
| | - Yang Si
- 1Department of Medical Genetics and Developmental Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100069 China
| | - Lijian Zhang
- 3Department of Thoracic Surgery, Key Laboratory for Carcinogenesis and Translational Research Ministry of Education, Peking University Hospital, Beijing, 100142 China
| | - Shan Cheng
- 1Department of Medical Genetics and Developmental Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100069 China.,2Beijing Key Laboratory of Cancer & Metastasis Research, Capital Medical University, Beijing, 100069 China
| | - Wen G Jiang
- 4Cardiff China Medical Research Collaborative, Cardiff University School of Medicine, Heath Park, Cardiff, CF14 4XN UK
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11
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Liu X, Lin L, Li Q, Ni Y, Zhang C, Qin S, Wei J. ERK1/2 communicates GPCR and EGFR signaling pathways to promote CTGF-mediated hypertrophic cardiomyopathy upon Ang-II stimulation. BMC Mol Cell Biol 2019; 20:14. [PMID: 31200637 PMCID: PMC6570861 DOI: 10.1186/s12860-019-0202-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Accepted: 06/02/2019] [Indexed: 12/12/2022] Open
Abstract
Background Hypertrophic cardiomyopathy occurs along with pathological phenomena such as cardiac hypertrophy, myocardial fibrosis and cardiomyocyte activity. However, few of the specific molecular mechanisms underlying this pathological condition have been mentioned. Methods All target proteins and markers expression in the study was verified by PCR and western bloting. H9c2 cell morphology and behavior were analyzed using immunofluorescent and proliferation assays, respectively. And, the CTGF protein secreted in cell culture medium was detected by ELISA. Results We found that high expression of CTGF and low expression of EGFR were regulated by ERK1/2 signaling pathway during the cardiac hypertrophy induced by Ang-II stimulation. CTGF interacted with EGFR, and the interaction is reduced with the stimulation of Ang-II. ERK1/2 serves as the center of signal control during the cardiac hypertrophy. Conclusion The ERK1/2 cooperates with GPCR and EGFR signaling, and promotes the occurrence and development of cardiac hypertrophy by regulating the expression and binding states of CTGF and EGFR. The study revealed a regulation model based on ERK1/2, suggesting that ERK1/2 signaling pathway may be an important control link for mitigation of hypertrophic cardiomyopathy treatment.
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Affiliation(s)
- Xin Liu
- Department of Cardiology, The Second Affiliated Hospital of Xi'an Jiaotong University, 157, Fifth West Road, Xi'an, 710004, Shaanxi, China
| | - Lin Lin
- Department of Cardiology, The Second Affiliated Hospital of Xi'an Jiaotong University, 157, Fifth West Road, Xi'an, 710004, Shaanxi, China
| | - Qing Li
- Department of Cardiology, The Second Affiliated Hospital of Xi'an Jiaotong University, 157, Fifth West Road, Xi'an, 710004, Shaanxi, China
| | - Yajuan Ni
- Department of Cardiology, The Second Affiliated Hospital of Xi'an Jiaotong University, 157, Fifth West Road, Xi'an, 710004, Shaanxi, China
| | - Chaoying Zhang
- Department of Cardiology, The Second Affiliated Hospital of Xi'an Jiaotong University, 157, Fifth West Road, Xi'an, 710004, Shaanxi, China
| | - Shuguang Qin
- Department of Cardiology, The Second Affiliated Hospital of Xi'an Jiaotong University, 157, Fifth West Road, Xi'an, 710004, Shaanxi, China
| | - Jin Wei
- Department of Cardiology, The Second Affiliated Hospital of Xi'an Jiaotong University, 157, Fifth West Road, Xi'an, 710004, Shaanxi, China.
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12
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Bartekova M, Radosinska J, Jelemensky M, Dhalla NS. Role of cytokines and inflammation in heart function during health and disease. Heart Fail Rev 2019; 23:733-758. [PMID: 29862462 DOI: 10.1007/s10741-018-9716-x] [Citation(s) in RCA: 171] [Impact Index Per Article: 34.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
By virtue of their actions on NF-κB, an inflammatory nuclear transcription factor, various cytokines have been documented to play important regulatory roles in determining cardiac function under both physiological and pathophysiological conditions. Several cytokines including TNF-α, TGF-β, and different interleukins such as IL-1 IL-4, IL-6, IL-8, and IL-18 are involved in the development of various inflammatory cardiac pathologies, namely ischemic heart disease, myocardial infarction, heart failure, and cardiomyopathies. In ischemia-related pathologies, most of the cytokines are released into the circulation and serve as biological markers of inflammation. Furthermore, there is an evidence of their direct role in the pathogenesis of ischemic injury, suggesting cytokines as potential targets for the development of some anti-ischemic therapies. On the other hand, certain cytokines such as IL-2, IL-4, IL-6, IL-8, and IL-10 are involved in the post-ischemic tissue repair and thus are considered to exert beneficial effects on cardiac function. Conflicting reports regarding the role of some cytokines in inducing cardiac dysfunction in heart failure and different types of cardiomyopathies seem to be due to differences in the nature, duration, and degree of heart disease as well as the concentrations of some cytokines in the circulation. In spite of extensive research work in this field of investigation, no satisfactory anti-cytokine therapy for improving cardiac function in any type of heart disease is available in the literature.
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Affiliation(s)
- Monika Bartekova
- Institute for Heart Research, Centre of Experimental Medicine, Slovak Academy of Sciences, Bratislava, Slovak Republic.,Institute of Physiology, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovak Republic
| | - Jana Radosinska
- Institute for Heart Research, Centre of Experimental Medicine, Slovak Academy of Sciences, Bratislava, Slovak Republic.,Institute of Physiology, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovak Republic
| | - Marek Jelemensky
- Institute for Heart Research, Centre of Experimental Medicine, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Naranjan S Dhalla
- Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Center, 351 Tache Avenue, Winnipeg, MB, R2H 2A6, Canada. .,Department of Physiology and Pathophysiology, Max Rady College of Medicine, University of Manitoba, Winnipeg, Canada.
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13
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Ma C, Fu Z, Guo H, Wei H, Zhao X, Li Y. The effects of Radix Angelica Sinensis and Radix Hedysari ultrafiltration extract on X-irradiation-induced myocardial fibrosis in rats. Biomed Pharmacother 2019; 112:108596. [PMID: 30780109 DOI: 10.1016/j.biopha.2019.01.057] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 01/15/2019] [Accepted: 01/16/2019] [Indexed: 11/28/2022] Open
Abstract
Radix Angelica Sinensis and Radix Hedysari are traditional Chinese medicines that are used for preventing and treating various diseases. This study aimed to investigate the effect and possible underlying mechanisms of Radix Angelica Sinensis and Radix Hedysari ultrafiltration extract (RAS-RH) on X-irradiation-induced cardiac fibrosis in rats. Our data demonstrated that (a) a single dose of total body irradiation (TBI) at 8 Gy resulted in cardiac fibrosis, whereas the control hearts exhibited less collagen and fibrosis. RAS-RH mitigated these morphological injuries. (b) TBI resulted in an increase in the serum levels of transforming growth factor β1 (TGF-β1) and troponin-I (TnI). RAS-RH inhibited the release of TBI-induced serum TGF-β1 and the TnI levels. (c) TBI inhibited the apoptosis of primary rat cardiac fibroblasts, whereas RAS-RH induced the apoptosis of primary rat cardiac fibroblasts after X- irradiation. (d) TBI resulted in an increase in the expression of osteopontin (OPN), c-fos, c-jun, miRNA-21 and collagen1α (COL1α) in primary rat cardiac fibroblasts, and RAS-RH mitigated the TBI-induced increased expression of OPN, c-jun, miRNA-21 and COL1α. In conclusion, these results demonstrate that RAS-RH exerts antifibrotic effects possibly through inducing the apoptosis of fibroblasts, inhibiting the release of serum TGF-β1, reducing the levels of serum TnI and reducing the expression of OPN, c-jun, miRNA-21 and COL1α. Therefore, RAS-RH may potentially be developed as a medical countermeasure for the mitigation of radiation-induced myocardial fibrosis.
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Affiliation(s)
- Chengxu Ma
- College of Integrated Traditional Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou 730000, China
| | - Zhaoyuan Fu
- Affiliated Hospital of Gansu University of Chinese Medicine, Lanzhou 730000, China
| | - Huan Guo
- School of Basic Medical Sciences, Lan Zhou University, Lanzhou 730000, China
| | - Huiping Wei
- Affiliated Hospital of Gansu University of Chinese Medicine, Lanzhou 730000, China
| | - Xinke Zhao
- Affiliated Hospital of Gansu University of Chinese Medicine, Lanzhou 730000, China
| | - Yingdong Li
- College of Integrated Traditional Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou 730000, China.
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14
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Okada M. [Extracellular matrix biomarkers for cardiac diseases]. Nihon Yakurigaku Zasshi 2018; 152:208. [PMID: 30298843 DOI: 10.1254/fpj.152.208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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15
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Regulation and bioactivity of the CCN family of genes and proteins in obesity and diabetes. J Cell Commun Signal 2018; 12:359-368. [PMID: 29411334 DOI: 10.1007/s12079-018-0458-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Accepted: 01/29/2018] [Indexed: 02/06/2023] Open
Abstract
Across the years the CCNs have been increasingly implicated in the development of obesity, diabetes and its complications. Evidence for this is currently derived from their dysregulation in key metabolic pathological states in humans, animal and in vitro models, and also pre-clinical effects of their bioactivities. CCN2 is the best studied in this disease process and the other CCNs are yet to be better defined. Key steps where CCNs may play a pathogenic metabolic role include: (i) obesity and insulin resistance, where CCN2 inhibits fat cell differentiation in vitro and CCN3 may induce obesity and insulin resistance; (ii) elevated blood glucose levels to diabetes mellitus onset, where CCN2 may contribute to pancreatic beta cell and islet function; and (iii) in diabetes complications, such as nephropathy, retinopathy, liver disease (NAFLD/NASH), CVD and diabetes with heart failure. In contrast, CCN1, CCN2 and possibly CCN3, may have a reparative role in wound healing in diabetes, and CCN2 in islet cell development. In terms of CCN2 regulation by a diabetes metabolic environment and related mechanisms, the author's laboratory and others have progressively shown that advanced glycation-end products, protein kinase C isoforms, saturated fatty acids, reactive oxygen species and haemodynamic factors upregulate CCN2 in relevant cell and animal systems. Recent data has suggested that CCN2, CCN3 and CCN6 may affect energy homeostasis including in regulating glycolysis and mitochondrial function. This paper will address the current data implicating CCNs in diabetes and its complications, focusing on recent aspects with translational clinical relevance and future directions.
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