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Athamneh M, Daya N, Hentschel A, Gangfuss A, Ruck T, Marina AD, Schara‐Schmidt U, Sickmann A, Güttsches A, Deschauer M, Preusse C, Vorgerd M, Roos A. Proteomic studies in VWA1-related neuromyopathy allowed new pathophysiological insights and the definition of blood biomarkers. J Cell Mol Med 2024; 28:e18122. [PMID: 38652110 PMCID: PMC11037410 DOI: 10.1111/jcmm.18122] [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: 09/23/2023] [Revised: 12/23/2023] [Accepted: 01/02/2024] [Indexed: 04/25/2024] Open
Abstract
Bi-allelic variants in VWA1, encoding Von Willebrand Factor A domain containing 1 protein localized to the extracellular matrix (ECM), were linked to a neuromuscular disorder with manifestation in child- or adulthood. Clinical findings indicate a neuromyopathy presenting with muscle weakness. Given that pathophysiological processes are still incompletely understood, and biomarkers are still missing, we aimed to identify blood biomarkers of pathophysiological relevance: white blood cells (WBC) and plasma derived from six VWA1-patients were investigated by proteomics. Four proteins, BET1, HNRNPDL, NEFM and PHGDH, known to be involved in neurological diseases and dysregulated in WBC were further validated by muscle-immunostainings unravelling HNRNPDL as a protein showing differences between VWA1-patients, healthy controls and patients suffering from neurogenic muscular atrophy and BICD2-related neuromyopathy. Immunostaining studies of PHGDH indicate its involvement in apoptotic processes via co-localisation with caspase-3. NEFM showed an increase in cells within the ECM in biopsies of all patients studied. Plasma proteomics unravelled dysregulation of 15 proteins serving as biomarker candidates among which a profound proportion of increased ones (6/11) are mostly related to antioxidative processes and have even partially been described as blood biomarkers for other entities of neuromuscular disorders before. CRP elevated in plasma also showed an increase in the extracellular space of VWA1-mutant muscle. Results of our combined studies for the first time describe pathophysiologically relevant biomarkers for VWA1-related neuromyopathy and suggest that VWA1-patient derived blood might hold the potential to study disease processes of clinical relevance, an important aspect for further preclinical studies.
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Affiliation(s)
- Mohammed Athamneh
- Department of Neurology, Heimer Institute for Muscle ResearchUniversity Hospital Bergmannsheil, Ruhr‐University BochumBochumGermany
- Department of Clinical Science, Faculty of MedicineYarmouk UniversityIrbidJordan
| | - Nassam Daya
- Department of Neurology, Heimer Institute for Muscle ResearchUniversity Hospital Bergmannsheil, Ruhr‐University BochumBochumGermany
| | - Andreas Hentschel
- Leibniz‐Institut für Analytische Wissenschaften‐ISAS‐e.V.DortmundGermany
| | - Andrea Gangfuss
- Department of Pediatric Neurology, Centre for Neuromuscular Disorders, Centre for Translational Neuro‐ and Behavioral SciencesUniversity Duisburg‐EssenEssenGermany
| | - Tobias Ruck
- Department of Neurology, Medical FacultyHeinrich Heine University DüsseldorfDüsseldorfGermany
| | - Adela Della Marina
- Department of Pediatric Neurology, Centre for Neuromuscular Disorders, Centre for Translational Neuro‐ and Behavioral SciencesUniversity Duisburg‐EssenEssenGermany
| | - Ulrike Schara‐Schmidt
- Department of Pediatric Neurology, Centre for Neuromuscular Disorders, Centre for Translational Neuro‐ and Behavioral SciencesUniversity Duisburg‐EssenEssenGermany
| | - Albert Sickmann
- Leibniz‐Institut für Analytische Wissenschaften‐ISAS‐e.V.DortmundGermany
| | - Anne‐Katrin Güttsches
- Department of Neurology, Heimer Institute for Muscle ResearchUniversity Hospital Bergmannsheil, Ruhr‐University BochumBochumGermany
| | - Marcus Deschauer
- Department of NeurologyTechnical University of Munich, School of MedicineMunichGermany
| | - Corinna Preusse
- Institute of Neuropathology, Charité–Universitätsmedizin Berlin, corporate member of Freie Universität BerlinHumboldt Universität zu Berlin, Berlin Institute of HealthBerlinGermany
| | - Matthias Vorgerd
- Department of Neurology, Heimer Institute for Muscle ResearchUniversity Hospital Bergmannsheil, Ruhr‐University BochumBochumGermany
| | - Andreas Roos
- Department of Neurology, Heimer Institute for Muscle ResearchUniversity Hospital Bergmannsheil, Ruhr‐University BochumBochumGermany
- Department of Pediatric Neurology, Centre for Neuromuscular Disorders, Centre for Translational Neuro‐ and Behavioral SciencesUniversity Duisburg‐EssenEssenGermany
- Children's Hospital of Eastern Ontario Research InstituteUniversity of OttawaOttawaCanada
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Pan H, Lu X, Ye D, Feng Y, Wan J, Ye J. The molecular mechanism of thrombospondin family members in cardiovascular diseases. Front Cardiovasc Med 2024; 11:1337586. [PMID: 38516004 PMCID: PMC10954798 DOI: 10.3389/fcvm.2024.1337586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 02/14/2024] [Indexed: 03/23/2024] Open
Abstract
Cardiovascular diseases have been identified as vital factors in global morbidity and mortality in recent years. The available evidence suggests that various cytokines and pathological proteins participate in these complicated and changeable diseases. The thrombospondin (TSP) family is a series of conserved, multidomain calcium-binding glycoproteins that cause cell-matrix and cell-cell effects via interactions with other extracellular matrix components and cell surface receptors. The TSP family has five members that can be divided into two groups (Group A and Group B) based on their different structures. TSP-1, TSP-2, and TSP-4 are the most studied proteins. Among recent studies and findings, we investigated the functions of several family members, especially TSP-5. We review the basic concepts of TSPs and summarize the relevant molecular mechanisms and cell interactions in the cardiovascular system. Targeting TSPs in CVD and other diseases has a remarkable therapeutic benefit.
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Affiliation(s)
- Heng Pan
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute, Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Xiyi Lu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute, Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Di Ye
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute, Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Yongqi Feng
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute, Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Jun Wan
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute, Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Jing Ye
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute, Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
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3
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Kostyunina DS, Pakhomov NV, Jouida A, Dillon E, Baugh JA, McLoughlin P. Transcriptomics and proteomics revealed sex differences in human pulmonary microvascular endothelial cells. Physiol Genomics 2024; 56:194-220. [PMID: 38047313 DOI: 10.1152/physiolgenomics.00051.2023] [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: 06/01/2023] [Revised: 11/09/2023] [Accepted: 11/30/2023] [Indexed: 12/05/2023] Open
Abstract
Marked sexual dimorphism is displayed in the onset and progression of pulmonary hypertension (PH). Females more commonly develop pulmonary arterial hypertension, yet females with pulmonary arterial hypertension and other types of PH have better survival than males. Pulmonary microvascular endothelial cells play a crucial role in pulmonary vascular remodeling and increased pulmonary vascular resistance in PH. Given this background, we hypothesized that there are sex differences in the pulmonary microvascular endothelium basally and in response to hypoxia that are independent of the sex hormone environment. Human pulmonary microvascular endothelial cells (HPMECs) from healthy male and female donors, cultured under physiological shear stress, were analyzed using RNA sequencing and label-free quantitative proteomics. Gene set enrichment analysis identified a number of sex-different pathways in both normoxia and hypoxia, including pathways that regulate cell proliferation. In vitro, the rate of proliferation in female HPMECs was lower than in male HPMECs, a finding that supports the omics results. Interestingly, thrombospondin-1, an inhibitor of proliferation, was more highly expressed in female cells than in male cells. These results demonstrate, for the first time, important differences between female and male HPMECs that persist in the absence of sex hormone differences and identify novel pathways for further investigation that may contribute to sexual dimorphism in pulmonary hypertensive diseases.NEW & NOTEWORTHY There is marked sexual dimorphism in the development and progression of pulmonary hypertension. We show differences in RNA and protein expression between female and male human pulmonary microvascular endothelial cells grown under conditions of physiological shear stress, which identify sex-different cellular pathways both in normoxia and hypoxia. Importantly, these differences were detected in the absence of sex hormone differences. The pathways identified may provide novel targets for the development of sex-specific therapies.
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Affiliation(s)
- Daria S Kostyunina
- School of Medicine, University College Dublin, Dublin, Ireland
- Conway Institute, University College Dublin, Dublin, Ireland
| | - Nikolai V Pakhomov
- School of Medicine, University College Dublin, Dublin, Ireland
- Conway Institute, University College Dublin, Dublin, Ireland
| | - Amina Jouida
- School of Medicine, University College Dublin, Dublin, Ireland
- Conway Institute, University College Dublin, Dublin, Ireland
| | - Eugene Dillon
- Conway Institute, University College Dublin, Dublin, Ireland
| | - John A Baugh
- School of Medicine, University College Dublin, Dublin, Ireland
- Conway Institute, University College Dublin, Dublin, Ireland
| | - Paul McLoughlin
- School of Medicine, University College Dublin, Dublin, Ireland
- Conway Institute, University College Dublin, Dublin, Ireland
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Vinaiphat A, Pazhanchamy K, JebaMercy G, Ngan SC, Leow MKS, Ho HH, Gao YG, Lim KL, Richards AM, de Kleijn DPV, Chen CP, Kalaria RN, Liu J, O'Leary DD, McCarthy NE, Sze SK. Endothelial Damage Arising From High Salt Hypertension Is Elucidated by Vascular Bed Systematic Profiling. Arterioscler Thromb Vasc Biol 2023; 43:427-442. [PMID: 36700429 DOI: 10.1161/atvbaha.122.318439] [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: 09/05/2022] [Accepted: 01/12/2023] [Indexed: 01/27/2023]
Abstract
BACKGROUND Considerable evidence links dietary salt intake with the development of hypertension, left ventricular hypertrophy, and increased risk of stroke and coronary heart disease. Despite extensive epidemiological and basic science interrogation of the relationship between high salt (HS) intake and blood pressure, it remains unclear how HS impacts endothelial cell (EC) and vascular structure in vivo. This study aims to elucidate HS-induced vascular pathology using a differential systemic decellularization in vivo approach. METHODS We performed systematic molecular characterization of the endothelial glycocalyx and EC proteomes in mice with HS (8%) diet-induced hypertension versus healthy control animals. Isolation of eGC and EC compartments was achieved using differential systemic decellularization in vivo methodology. Altered protein expression in hypertensive compared to normal mice was characterized by liquid chromatography tandem mass spectrometry. Proteomic results were validated using functional assays, microscopic imaging, and histopathologic evaluation. RESULTS Proteomic analysis revealed a significant downregulation of eGC and associated proteins in HS diet-induced hypertensive mice (among 1696 proteins identified in this group, 723 were markedly decreased in abundance, while only 168 were increased in abundance. Bioinformatic analysis indicated substantial derangement of the eGC layer, which was subsequently confirmed by fluorescent and electron microscopy assessment of vessel damage ex vivo. In the EC fraction, HS-induced hypertension significantly altered protein mediators of contractility, metabolism, mechanotransduction, renal function, and the coagulation cascade. In particular, we observed dysregulation of integrin subunits α2, α2b, and α5, which was associated with arterial wall inflammation and substantial infiltration of CD68+ monocyte-macrophages. Consequently, HS-induced hypertensive mice also displayed reduced vascular integrity of multiple organs including lungs, kidneys, and heart. CONCLUSIONS These findings provide novel molecular insight into HS-induced structural changes in eGC and EC composition that may increase cardiovascular risk and potentially guide the development of new diagnostics and therapeutic interventions.
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Affiliation(s)
- Arada Vinaiphat
- School of Biological Sciences (A.V., K.P., G.J., S.C.N., Y.-G.G., S.K.S.), Nanyang Technological University, Singapore
| | - Kalailingam Pazhanchamy
- School of Biological Sciences (A.V., K.P., G.J., S.C.N., Y.-G.G., S.K.S.), Nanyang Technological University, Singapore
| | - Gnanasekaran JebaMercy
- School of Biological Sciences (A.V., K.P., G.J., S.C.N., Y.-G.G., S.K.S.), Nanyang Technological University, Singapore
| | - SoFong Cam Ngan
- School of Biological Sciences (A.V., K.P., G.J., S.C.N., Y.-G.G., S.K.S.), Nanyang Technological University, Singapore
- Department of Health Sciences, Faculty of Applied Health Sciences, Brock University, St. Catharines, ON, Canada (S.C.N., J.L., D.D.O., S.K.S.)
| | - Melvin Khee-Shing Leow
- Lee Kong Chian School of Medicine (M.K.-S.L., K.L.L.), Nanyang Technological University, Singapore
- Tan Tock Seng Hospital, Singapore (M.K.-S.L., H.H.H.)
| | - Hee Hwa Ho
- Tan Tock Seng Hospital, Singapore (M.K.-S.L., H.H.H.)
| | - Yong-Gui Gao
- School of Biological Sciences (A.V., K.P., G.J., S.C.N., Y.-G.G., S.K.S.), Nanyang Technological University, Singapore
| | - Kah Leong Lim
- Lee Kong Chian School of Medicine (M.K.-S.L., K.L.L.), Nanyang Technological University, Singapore
| | - A Mark Richards
- Department of Cardiology, National University Heart Centre, Singapore (A.M.R.)
- Department of Cardiology, University of Otago, Christchurch, New Zealand (A.M.R.)
| | | | - Christopher P Chen
- Memory Aging and Cognition Centre, Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (C.P.C.)
| | - Raj N Kalaria
- Translational and Clinical Research Institute, Campus for Ageing and Vitality, Newcastle University, Newcastle upon Tyne, United Kingdom (R.N.K.)
| | - Jian Liu
- Department of Health Sciences, Faculty of Applied Health Sciences, Brock University, St. Catharines, ON, Canada (S.C.N., J.L., D.D.O., S.K.S.)
| | - Deborah D O'Leary
- Department of Health Sciences, Faculty of Applied Health Sciences, Brock University, St. Catharines, ON, Canada (S.C.N., J.L., D.D.O., S.K.S.)
| | - Neil E McCarthy
- Centre for Immunobiology, The Blizard Institute, Bart's and The London School of Medicine and Dentistry, Queen Mary University of London, United Kingdom (N.E.M.)
| | - Siu Kwan Sze
- School of Biological Sciences (A.V., K.P., G.J., S.C.N., Y.-G.G., S.K.S.), Nanyang Technological University, Singapore
- Department of Health Sciences, Faculty of Applied Health Sciences, Brock University, St. Catharines, ON, Canada (S.C.N., J.L., D.D.O., S.K.S.)
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Trinh K, Julovi SM, Rogers NM. The Role of Matrix Proteins in Cardiac Pathology. Int J Mol Sci 2022; 23:ijms23031338. [PMID: 35163259 PMCID: PMC8836004 DOI: 10.3390/ijms23031338] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 01/15/2022] [Accepted: 01/21/2022] [Indexed: 02/06/2023] Open
Abstract
The extracellular matrix (ECM) and ECM-regulatory proteins mediate structural and cell-cell interactions that are crucial for embryonic cardiac development and postnatal homeostasis, as well as organ remodeling and repair in response to injury. These proteins possess a broad functionality that is regulated by multiple structural domains and dependent on their ability to interact with extracellular substrates and/or cell surface receptors. Several different cell types (cardiomyocytes, fibroblasts, endothelial and inflammatory cells) within the myocardium elaborate ECM proteins, and their role in cardiovascular (patho)physiology has been increasingly recognized. This has stimulated robust research dissecting the ECM protein function in human health and disease and replicating the genetic proof-of-principle. This review summarizes recent developments regarding the contribution of ECM to cardiovascular disease. The clear importance of this heterogeneous group of proteins in attenuating maladaptive repair responses provides an impetus for further investigation into these proteins as potential pharmacological targets in cardiac diseases and beyond.
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Affiliation(s)
- Katie Trinh
- Centre for Transplant and Renal Research, Westmead Institute for Medical Research, Westmead, NSW 2145, Australia; (K.T.); (S.M.J.)
- Faculty of Medicine and Health Sydney, School of Medical Sciences, The University of Sydney, Sydney, NSW 2006, Australia
| | - Sohel M. Julovi
- Centre for Transplant and Renal Research, Westmead Institute for Medical Research, Westmead, NSW 2145, Australia; (K.T.); (S.M.J.)
- Faculty of Medicine and Health Sydney, School of Medical Sciences, The University of Sydney, Sydney, NSW 2006, Australia
| | - Natasha M. Rogers
- Centre for Transplant and Renal Research, Westmead Institute for Medical Research, Westmead, NSW 2145, Australia; (K.T.); (S.M.J.)
- Faculty of Medicine and Health Sydney, School of Medical Sciences, The University of Sydney, Sydney, NSW 2006, Australia
- Renal and Transplantation Medicine, Westmead Hospital, Westmead, NSW 2145, Australia
- Correspondence:
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Dieffenbach PB, Mallarino Haeger C, Rehman R, Corcoran AM, Coronata AMF, Vellarikkal SK, Chrobak I, Waxman AB, Vitali SH, Sholl LM, Padera RF, Lagares D, Polverino F, Owen CA, Fredenburgh LE. A Novel Protective Role for Matrix Metalloproteinase-8 in the Pulmonary Vasculature. Am J Respir Crit Care Med 2021; 204:1433-1451. [PMID: 34550870 PMCID: PMC8865706 DOI: 10.1164/rccm.202108-1863oc] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 09/22/2021] [Indexed: 11/16/2022] Open
Abstract
Rationale: Mechanical signaling through cell-matrix interactions plays a major role in progressive vascular remodeling in pulmonary arterial hypertension (PAH). MMP-8 (matrix metalloproteinase-8) is an interstitial collagenase involved in regulating inflammation and fibrosis of the lung and systemic vasculature, but its role in PAH pathogenesis remains unexplored. Objectives: To evaluate MMP-8 as a modulator of pathogenic mechanical signaling in PAH. Methods: MMP-8 levels were measured in plasma from patients with pulmonary hypertension (PH) and controls by ELISA. MMP-8 vascular expression was examined in lung tissue from patients with PAH and rodent models of PH. MMP-8-/- and MMP-8+/+ mice were exposed to normobaric hypoxia or normoxia for 4-8 weeks. PH severity was evaluated by right ventricular systolic pressure, echocardiography, pulmonary artery morphometry, and immunostaining. Proliferation, migration, matrix component expression, and mechanical signaling were assessed in MMP-8-/- and MMP-8+/+ pulmonary artery smooth muscle cells (PASMCs). Measurements and Main Results: MMP-8 expression was significantly increased in plasma and pulmonary arteries of patients with PH compared with controls and induced in the pulmonary vasculature in rodent PH models. Hypoxia-exposed MMP-8-/- mice had significant mortality, increased right ventricular systolic pressure, severe right ventricular dysfunction, and exaggerated vascular remodeling compared with MMP-8+/+ mice. MMP-8-/- PASMCs demonstrated exaggerated proliferation and migration mediated by altered matrix protein expression, elevated integrin-β3 levels, and induction of FAK (focal adhesion kinase) and downstream YAP (Yes-associated protein)/TAZ (transcriptional coactivator with PDZ-binding motif) activity. Conclusions: MMP-8 is a novel protective factor upregulated in the pulmonary vasculature during PAH pathogenesis. MMP-8 opposes pathologic mechanobiological feedback by altering matrix composition and disrupting integrin-β3/FAK and YAP/TAZ-dependent mechanical signaling in PASMCs.
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Affiliation(s)
| | | | | | | | | | | | - Izabela Chrobak
- Lovelace Respiratory Research Institute, Albuquerque, New Mexico
| | | | - Sally H. Vitali
- Department of Anesthesiology, Critical Care, and Pain Medicine, Boston Children’s Hospital, Boston, Massachusetts; and
| | - Lynette M. Sholl
- Department of Pathology, Brigham and Women’s Hospital, Boston, Massachusetts
| | - Robert F. Padera
- Department of Pathology, Brigham and Women’s Hospital, Boston, Massachusetts
| | - David Lagares
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Boston, Massachusetts
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7
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Annarapu GK, Nolfi-Donegan D, Reynolds M, Wang Y, Kohut L, Zuckerbraun B, Shiva S. Heme stimulates platelet mitochondrial oxidant production to induce targeted granule secretion. Redox Biol 2021; 48:102205. [PMID: 34891098 PMCID: PMC8661700 DOI: 10.1016/j.redox.2021.102205] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 11/24/2021] [Accepted: 12/04/2021] [Indexed: 10/19/2022] Open
Abstract
Hemolysis, a pathological component of many diseases, is associated with thrombosis and vascular dysfunction. Hemolytic products, including cell-free hemoglobin and free heme directly activate platelets. However, the effect of hemolysis on platelet degranulation, a central process in not only thrombosis, but also inflammatory and mitogenic signaling, remains less clear. Our group showed that hemoglobin-induced platelet activation involved the production of mitochondrial reactive oxygen species (mtROS). However, the molecular mechanism by which extracellular hemolysis induces platelet mtROS production, and whether these mtROS regulate platelet degranulation remains unknown. Here, we demonstrate using isolated human platelets that cell free heme is a more potent agonist for platelet activation than hemoglobin, and stimulates the release of a specific set of molecules, including the glycoprotein thrombospondin-1 (TSP-1), from the α-granule of platelets. We uncover the mechanism of heme-mediated platelet mtROS production which is dependent on the activation of platelet toll-like receptor 4 (TLR4) signaling and leads to the downstream phosphorylation and inhibition of complex-V by the serine kinase Akt. Notably, inhibition of platelet TLR4 or Akt, or scavenging of mtROS prevents heme-induced granule release in vitro. Further, heme-dependent granule release is significantly attenuated in vivo in mice lacking TLR4 or those treated with the mtROS scavenger MitoTEMPO. These data elucidate a novel mechanism of TLR4-mediated mitochondrial regulation, establish the mechanistic link between hemolysis and platelet degranulation, and begin to define the heme and mtROS-dependent platelet secretome. These data have implications for hemolysis-induced thrombo-inflammatory signaling and for the consideration of platelet mitochondria as a therapeutic target in hemolytic disorders.
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Affiliation(s)
- Gowtham K Annarapu
- Pittsburgh Heart, Lung, Blood, Vascular Medicine Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15261, USA
| | - Deirdre Nolfi-Donegan
- Pittsburgh Heart, Lung, Blood, Vascular Medicine Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15261, USA; Department of Pediatrics, Division of Hematology/Oncology, Children's Hospital of Pittsburgh, Pittsburgh, PA, 15224, USA
| | - Michael Reynolds
- Pittsburgh Heart, Lung, Blood, Vascular Medicine Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15261, USA
| | - Yinna Wang
- Pittsburgh Heart, Lung, Blood, Vascular Medicine Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15261, USA
| | - Lauryn Kohut
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15213, USA
| | - Brian Zuckerbraun
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15213, USA
| | - Sruti Shiva
- Pittsburgh Heart, Lung, Blood, Vascular Medicine Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15261, USA; Department of Pharmacology & Chemical Biology, University of Pittsburgh, Pittsburgh, PA, 15261, USA.
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8
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The role of immune cells in pulmonary hypertension: Focusing on macrophages. Hum Immunol 2021; 83:153-163. [PMID: 34844784 DOI: 10.1016/j.humimm.2021.11.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 11/14/2021] [Accepted: 11/15/2021] [Indexed: 01/06/2023]
Abstract
Pulmonary hypertension (PH) is a life-threatening pathological state with elevated pulmonary arterial pressure, resulting in right ventricular failure and heart functional failure. Analyses of human samples and rodent models of pH support the infiltration of various immune cells, including neutrophils, mast cells, dendritic cells, B-cells, T-cells, and natural killer cells, to the lungs and pulmonary perivascular regions and their involvement in the PH development. There is evidence that macrophages are presented in the pulmonary lesions of pH patients as first-line myeloid leucocytes. Macrophage accumulation and presence, both M1 and M2 phenotypes, is a distinctive hallmark of pH which plays a pivotal role in pulmonary artery remodeling through various cellular and molecular interactions and mechanisms, including CCL2 and CX3CL1 chemokines, adventitial fibroblasts, glucocorticoid-regulated kinase 1 (SGK1), crosstalk with other immune cells, leukotriene B4 (LTB4), bone morphogenetic protein receptor 2 (BMPR2), macrophage migration inhibitory factor (MIF), and thrombospondin-1 (TSP-1). In this paper, we reviewed the molecular mechanisms and the role of immune cells and responses are involved in PH development. We also summarized the polarization of macrophages in response to different stimuli and their pathological role and their infiltration in the lung of pH patients and animal models.
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9
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Simpson CE, Griffiths M, Yang J, Nies MK, Vaidya RD, Brandal S, Martin LJ, Pauciulo MW, Lutz KA, Coleman AW, Austin ED, Ivy DD, Nichols WC, Everett AD, Hassoun PM, Damico RL. The angiostatic peptide endostatin enhances mortality risk prediction in pulmonary arterial hypertension. ERJ Open Res 2021; 7:00378-2021. [PMID: 34651041 PMCID: PMC8503279 DOI: 10.1183/23120541.00378-2021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 07/09/2021] [Indexed: 11/06/2022] Open
Abstract
Currently available noninvasive markers for assessing disease severity and mortality risk in pulmonary arterial hypertension (PAH) are unrelated to fundamental disease biology. Endostatin, an angiostatic peptide known to inhibit pulmonary artery endothelial cell migration, proliferation and survival in vitro, has been linked to adverse haemodynamics and shortened survival in small PAH cohorts. This observational cohort study sought to assess: 1) the prognostic performance of circulating endostatin levels in a large, multicentre PAH cohort; and 2) the added value gained by incorporating endostatin into existing PAH risk prediction models. Endostatin ELISAs were performed on enrolment samples collected from 2017 PAH subjects with detailed clinical data, including survival times. Endostatin associations with clinical variables, including survival, were examined using multivariable regression and Cox proportional hazards models. Extended survival models including endostatin were compared to null models based on the REVEAL risk prediction tool and European Society of Cardiology/European Respiratory Society (ESC/ERS) low-risk criteria using likelihood ratio tests, Akaike and Bayesian information criteria and C-statistics. Higher endostatin was associated with higher right atrial pressure, mean pulmonary arterial pressure and pulmonary vascular resistance, and with shorter 6-min walk distance (p<0.01). Mortality risk doubled for each log higher endostatin (hazard ratio 2.3, 95% CI 1.6–3.4, p<0.001). Endostatin remained an independent predictor of survival when incorporated into existing risk prediction models. Adding endostatin to REVEAL-based and ESC/ERS criteria-based risk assessment strategies improved mortality risk prediction. Endostatin is a robust, independent predictor of mortality in PAH. Adding endostatin to existing PAH risk prediction strategies improves PAH risk assessment. Endostatin is a robust, easily accessible biomarker of PAH severity and mortality that is mechanistically related to PAH pathogenesis. Incorporating endostatin into commonly used risk prediction strategies for PAH improves prediction of mortality.https://bit.ly/3kzGT0w
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Affiliation(s)
- Catherine E Simpson
- Dept of Medicine, Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Megan Griffiths
- Dept of Pediatrics, Division of Pediatric Cardiology, Johns Hopkins University, Baltimore, MD, USA
| | - Jun Yang
- Dept of Pediatrics, Division of Pediatric Cardiology, Johns Hopkins University, Baltimore, MD, USA
| | - Melanie K Nies
- Dept of Pediatrics, Division of Pediatric Cardiology, Johns Hopkins University, Baltimore, MD, USA
| | - R Dhananjay Vaidya
- Dept of Medicine, Division of General Internal Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Stephanie Brandal
- Dept of Pediatrics, Division of Pediatric Cardiology, Johns Hopkins University, Baltimore, MD, USA
| | - Lisa J Martin
- Dept of Pediatrics, Division of Human Genetics, Cincinnati Children's Hospital Medical Center and University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Michael W Pauciulo
- Dept of Pediatrics, Division of Human Genetics, Cincinnati Children's Hospital Medical Center and University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Katie A Lutz
- Dept of Pediatrics, Division of Human Genetics, Cincinnati Children's Hospital Medical Center and University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Anna W Coleman
- Dept of Pediatrics, Division of Human Genetics, Cincinnati Children's Hospital Medical Center and University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Eric D Austin
- Dept of Pediatrics, Division of Allergy, Immunology, and Pulmonary Medicine, Vanderbilt University, Nashville, TN, USA
| | - D Dunbar Ivy
- Dept of Pediatric Cardiology, Children's Hospital Colorado, Denver, CO, USA
| | - William C Nichols
- Dept of Pediatrics, Division of Human Genetics, Cincinnati Children's Hospital Medical Center and University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Allen D Everett
- Dept of Pediatrics, Division of Pediatric Cardiology, Johns Hopkins University, Baltimore, MD, USA
| | - Paul M Hassoun
- Dept of Medicine, Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Rachel L Damico
- Dept of Medicine, Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, MD, USA
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10
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Yao M, Ganguly S, Shin JHS, Elbayoumi T. Efficient Ex Vivo Screening of Agents Targeting Thrombospondin1-Induced Vascular Dysfunction Using a Digital Multiwire Myograph System. Methods Protoc 2021; 4:mps4040074. [PMID: 34698263 PMCID: PMC8544428 DOI: 10.3390/mps4040074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 10/01/2021] [Accepted: 10/05/2021] [Indexed: 11/16/2022] Open
Abstract
Homeostasis of vascular tone is intricately and delicately maintained systemically and locally, by autonomic nerves and hormones in the blood and by intimal vasoactive substances, respectively. The balance can be acutely or chronically interrupted secondary to many alterations, especially under pathological conditions. Excessive matricellular glycoprotein thrombospondin 1 (TSP1) levels in circulation have been found to play an important role in ischemia-reperfusion injuries of different organs, by acutely suppressing vasorelaxation and chronically remodeling vascular bed. Our laboratory has been interested in identifying new drug moieties, which can selectively and effectively counteract TSP1-induced vascular dysfunction, in order to address associated clinical complications. Preliminary studies using computational docking and molecular models revealed potential drug candidates for further evaluation via vascular functional bioassay to prove the antagonism using an ex vivo vascular model. Herein, we described an efficient screening method for the identification of active drug candidates, by adapting a multiwire myograph system to perform a protocol with different treatments, in the presence of pathological levels of TSP1. We discussed the promising pharmacological evaluation results and suggested suitable modification for versatile applications. We also described the necessity of pre-determination of optimal resting tension to obtain the maximal response, if the experimental test model is different from those with determined optimal resting tension.
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Affiliation(s)
- Molly Yao
- Department of Pharmaceutical Sciences, College of Pharmacy-Glendale, Midwestern University, Cholla Hall 216, 19555 N. 59th Ave., Glendale, AZ 85308, USA;
- College of Graduate Studies, Midwestern University, Science Hall, 19555 N. 59th Ave., Glendale, AZ 85308, USA
- Correspondence: (M.Y.); (T.E.)
| | - Samayita Ganguly
- Department of Pharmaceutical Sciences, College of Pharmacy-Glendale, Midwestern University, Cholla Hall 216, 19555 N. 59th Ave., Glendale, AZ 85308, USA;
| | - Jane Hae Soo Shin
- Arizona College of Osteopathic Medicine, Midwestern University, Glendale Hall, 19555 N. 59th Ave., Glendale, AZ 85308, USA;
| | - Tamer Elbayoumi
- Department of Pharmaceutical Sciences, College of Pharmacy-Glendale, Midwestern University, Cholla Hall 216, 19555 N. 59th Ave., Glendale, AZ 85308, USA;
- College of Graduate Studies, Midwestern University, Science Hall, 19555 N. 59th Ave., Glendale, AZ 85308, USA
- Correspondence: (M.Y.); (T.E.)
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11
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Lemieux P, Birot O. Altitude, Exercise, and Skeletal Muscle Angio-Adaptive Responses to Hypoxia: A Complex Story. Front Physiol 2021; 12:735557. [PMID: 34552509 PMCID: PMC8450406 DOI: 10.3389/fphys.2021.735557] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 08/16/2021] [Indexed: 12/18/2022] Open
Abstract
Hypoxia, defined as a reduced oxygen availability, can be observed in many tissues in response to various physiological and pathological conditions. As a hallmark of the altitude environment, ambient hypoxia results from a drop in the oxygen pressure in the atmosphere with elevation. A hypoxic stress can also occur at the cellular level when the oxygen supply through the local microcirculation cannot match the cells’ metabolic needs. This has been suggested in contracting skeletal myofibers during physical exercise. Regardless of its origin, ambient or exercise-induced, muscle hypoxia triggers complex angio-adaptive responses in the skeletal muscle tissue. These can result in the expression of a plethora of angio-adaptive molecules, ultimately leading to the growth, stabilization, or regression of muscle capillaries. This remarkable plasticity of the capillary network is referred to as angio-adaptation. It can alter the capillary-to-myofiber interface, which represent an important determinant of skeletal muscle function. These angio-adaptive molecules can also be released in the circulation as myokines to act on distant tissues. This review addresses the respective and combined potency of ambient hypoxia and exercise to generate a cellular hypoxic stress in skeletal muscle. The major skeletal muscle angio-adaptive responses to hypoxia so far described in this context will be discussed, including existing controversies in the field. Finally, this review will highlight the molecular complexity of the skeletal muscle angio-adaptive response to hypoxia and identify current gaps of knowledges in this field of exercise and environmental physiology.
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Affiliation(s)
- Pierre Lemieux
- Muscle Health Research Centre, School of Kinesiology and Health Science, York University, Toronto, ON, Canada
| | - Olivier Birot
- Muscle Health Research Centre, School of Kinesiology and Health Science, York University, Toronto, ON, Canada
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12
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Sharma K, Chanana N, Mohammad G, Thinlas T, Gupta M, Syed MA, Das RS, Pasha Q, Mishra A. Hypertensive Patients Exhibit Enhanced Thrombospondin-1 Levels at High-Altitude. Life (Basel) 2021; 11:life11090893. [PMID: 34575042 PMCID: PMC8469964 DOI: 10.3390/life11090893] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 08/22/2021] [Accepted: 08/23/2021] [Indexed: 12/18/2022] Open
Abstract
Thrombospondin-1 (THBS1) levels elevate under hypoxia and have relevance in several cardiovascular disorders. The association of THBS1 with endothelial dysfunction implies its important role in hypertension. To establish the hypothesis, we screened patients with hypertension and their respective controls from the two different environmental regions. Cohort 1 was composed of Ladakhis, residing at 3500 m above sea level (ASL), whereas Cohort 2 was composed of north-Indians residing at ~200 m ASL. Clinical parameters and circulating THBS1 levels were correlated in the case–control groups of the two populations. THBS1 levels were significantly elevated in hypertension patients of both cohorts; however, the levels were distinctly enhanced in the hypertensive patients of HA as compared to normoxia (p < 0.002). The observation was supported by the receiver operating curve analysis with an area under curve of 0.7007 (0.627–0.774) demonstrating the discriminatory effect of hypobaric hypoxia on the levels as compared to normoxia (p < 0.011). Significant correlation of THBS1 and mean arterial pressure was observed with upraised positive correlations in the hypertensive highlanders as compared to the hypertensive patients from sea-level. The prevalence of differential distribution of THBS1 and CD47 genes variants, their interactions, and association with the THBS1 levels were also determined. Genotype-interactions between THBS1 rs2228263 and CD47 rs9879947 were relevant and the regression analysis highlighted the association of risk genotype-interactions with increased THBS1 levels in hypertension. Genetic studies of additional thrombospondin pathway-related genes suggest the complex role of THBS1 in the presence of its family members and the related receptor molecules at HA.
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Affiliation(s)
- Kavita Sharma
- Cardiovascular Respiratory Disease Unit, CSIR-Institute of Genomics and Integrative Biology, Delhi 110007, India; (K.S.); (N.C.); (Q.P.)
- Department of Biotechnology, Jamia Millia Islamia, New Delhi 110025, India;
| | - Neha Chanana
- Cardiovascular Respiratory Disease Unit, CSIR-Institute of Genomics and Integrative Biology, Delhi 110007, India; (K.S.); (N.C.); (Q.P.)
| | - Ghulam Mohammad
- Department of Medicine, SNM Hospital, Leh 194101, India; (G.M.); (T.T.)
| | - Tashi Thinlas
- Department of Medicine, SNM Hospital, Leh 194101, India; (G.M.); (T.T.)
| | - Mohit Gupta
- Department of Cardiology, GB Pant Institute of Post Graduate Medical Education and Research, New Delhi 110002, India;
| | - Mansoor Ali Syed
- Department of Biotechnology, Jamia Millia Islamia, New Delhi 110025, India;
| | - Rajat Subhra Das
- Department of Anatomy, All India Institute of Medical Sciences, Raebareli 229405, India;
| | - Qadar Pasha
- Cardiovascular Respiratory Disease Unit, CSIR-Institute of Genomics and Integrative Biology, Delhi 110007, India; (K.S.); (N.C.); (Q.P.)
- Indian Council of Medical Research, New Delhi 110029, India
| | - Aastha Mishra
- Cardiovascular Respiratory Disease Unit, CSIR-Institute of Genomics and Integrative Biology, Delhi 110007, India; (K.S.); (N.C.); (Q.P.)
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Correspondence:
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13
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Ambade AS, Hassoun PM, Damico RL. Basement Membrane Extracellular Matrix Proteins in Pulmonary Vascular and Right Ventricular Remodeling in Pulmonary Hypertension. Am J Respir Cell Mol Biol 2021; 65:245-258. [PMID: 34129804 DOI: 10.1165/rcmb.2021-0091tr] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The extracellular matrix (ECM), a highly organized network of structural and non-structural proteins, plays a pivotal role in cellular and tissue homeostasis. Changes in the ECM are critical for normal tissue repair, while dysregulation contributes to aberrant tissue remodeling. Pulmonary arterial hypertension (PAH) is a severe disorder of the pulmonary vasculature characterized by pathologic remodeling of the pulmonary vasculature and right ventricle (RV), increased production and deposition of structural and non-structural proteins, and altered expression of ECM growth factors and proteases. Furthermore, ECM remodeling plays a significant role in disease progression as several dynamic changes in its composition, quantity, and organization are documented in both humans and animal models of disease. These ECM changes impact upon vascular cell biology and affect proliferation of resident cells. Further, ECM components determine the tissue architecture of the pulmonary and myocardial vasculature as well as the myocardium itself, and provide mechanical stability crucial for tissue homeostasis. However, little is known about the basement membrane (BM), a specialized, self-assembled conglomerate of ECM proteins, during remodeling. In the vasculature, the BM is in close physical association with the vascular endothelium and smooth muscle cells. While in the myocardium, each cardiomyocyte is enclosed by a BM that serves as the interface between cardiomyocytes and the surrounding interstitial matrix. In this review, we provide a brief overview on the current state of knowledge of the BM and its ECM composition and their impact on pulmonary vascular remodeling and RV dysfunction and failure in PAH.
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Affiliation(s)
- Anjira S Ambade
- Johns Hopkins University School of Medicine, 1500, Division of Pulmonary and Critical Care Medicine, Baltimore, Maryland, United States
| | - Paul M Hassoun
- Johns Hopkins University School of Medicine, 1500, Division of Pulmonary and Critical Care Medicine, Baltimore, Maryland, United States
| | - Rachel L Damico
- Johns Hopkins University School of Medicine, 1500, Division of Pulmonary and Critical Care Medicine, Baltimore, Maryland, United States;
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14
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Novel Pharmaceutical Strategy for Selective Abrogation of TSP1-Induced Vascular Dysfunction by Decoy Recombinant CD47 Soluble Receptor in Prophylaxis and Treatment Models. Biomedicines 2021; 9:biomedicines9060642. [PMID: 34205047 PMCID: PMC8228143 DOI: 10.3390/biomedicines9060642] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/26/2021] [Accepted: 05/31/2021] [Indexed: 12/20/2022] Open
Abstract
Elevated thrombospondin 1 (TSP1) is a prevalent factor, via cognate receptor CD47, in the pathogenesis of cardiovascular conditions, including ischemia-reperfusion injury (IRI) and pulmonary arterial hypertension (PAH). Moreover, TSP1/CD47 interaction has been found to be associated with platelet hyperaggregability and impaired nitric oxide response, exacerbating progression in IRI and PAH. Pathological TSP1 in circulation arises as a target of our novel therapeutic approach. Our “proof-of-concept” pharmacological strategy relies on recombinant human CD47 peptide (rh-CD47p) as a decoy receptor protein (DRP) to specifically bind TSP1 and neutralize TSP1-impaired vasorelaxation, strongly implicated in IRI and PAH. The binding of rh-CD47p and TSP1 was first verified as the primary mechanism via Western blotting and further quantified with modified ELISA, which also revealed a linear molar dose-dependent interaction. Ex vivo, pretreatment protocol with rh-CD47p (rh-CD47p added prior to TSP1 incubation) demonstrated a prophylactic effect against TSP1-impairment of endothelium-dependent vasodilation. Post-treatment set-up (TSP1 incubation prior to rh-CD47p addition), mimicking pre-existing excessive TSP1 in PAH, reversed TSP1-inhibited vasodilation back to control level. Dose titration identified an effective molar dose range (approx. ≥1:3 of tTSP1:rh-CD47p) for prevention of/recovery from TSP1-induced vascular dysfunction. Our results indicate the great potential for proposed novel decoy rh-CD47p-therapy to abrogate TSP1-associated cardiovascular complications, such as PAH.
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15
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Thrombospondin-1 CD47 Signalling: From Mechanisms to Medicine. Int J Mol Sci 2021; 22:ijms22084062. [PMID: 33920030 PMCID: PMC8071034 DOI: 10.3390/ijms22084062] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 03/19/2021] [Accepted: 03/30/2021] [Indexed: 02/07/2023] Open
Abstract
Recent advances provide evidence that the cellular signalling pathway comprising the ligand-receptor duo of thrombospondin-1 (TSP1) and CD47 is involved in mediating a range of diseases affecting renal, vascular, and metabolic function, as well as cancer. In several instances, research has barely progressed past pre-clinical animal models of disease and early phase 1 clinical trials, while for cancers, anti-CD47 therapy has emerged from phase 2 clinical trials in humans as a crucial adjuvant therapeutic agent. This has important implications for interventions that seek to capitalize on targeting this pathway in diseases where TSP1 and/or CD47 play a role. Despite substantial progress made in our understanding of this pathway in malignant and cardiovascular disease, knowledge and translational gaps remain regarding the role of this pathway in kidney and metabolic diseases, limiting identification of putative drug targets and development of effective treatments. This review considers recent advances reported in the field of TSP1-CD47 signalling, focusing on several aspects including enzymatic production, receptor function, interacting partners, localization of signalling, matrix-cellular and cell-to-cell cross talk. The potential impact that these newly described mechanisms have on health, with a particular focus on renal and metabolic disease, is also discussed.
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16
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Kumar R, Mickael C, Kassa B, Sanders L, Hernandez-Saavedra D, Koyanagi DE, Kumar S, Pugliese SC, Thomas S, McClendon J, Maloney JP, Janssen WJ, Stenmark KR, Tuder RM, Graham BB. Interstitial macrophage-derived thrombospondin-1 contributes to hypoxia-induced pulmonary hypertension. Cardiovasc Res 2020; 116:2021-2030. [PMID: 31710666 PMCID: PMC7519884 DOI: 10.1093/cvr/cvz304] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 03/06/2019] [Accepted: 11/08/2019] [Indexed: 01/05/2023] Open
Abstract
AIMS Transforming growth factor-β (TGF-β) signalling is required for chronic hypoxia-induced pulmonary hypertension (PH). The activation of TGF-β by thrombospondin-1 (TSP-1) contributes to the pathogenesis of hypoxia-induced PH. However, neither the cellular source of pathologic TSP-1 nor the downstream signalling pathway that link activated TGF-β to PH have been determined. In this study, we hypothesized that circulating monocytes, which are recruited to become interstitial macrophages (IMs), are the major source of TSP-1 in hypoxia-exposed mice, and TSP-1 activates TGF-β with increased Rho-kinase signalling, causing vasoconstriction. METHODS AND RESULTS Flow cytometry revealed that a specific subset of IMs is the major source of pathologic TSP-1 in hypoxia. Intravenous depletion and parabiosis experiments demonstrated that these cells are circulating prior to recruitment into the interstitium. Rho-kinase-mediated vasoconstriction was a major downstream target of active TGF-β. Thbs1 deficient bone marrow (BM) protected against hypoxic-PH by blocking TGF-β activation and Rho-kinase-mediated vasoconstriction. CONCLUSION In hypoxia-challenged mice, BM derived and circulating monocytes are recruited to become IMs which express TSP-1, resulting in TGF-β activation and Rho-kinase-mediated vasoconstriction.
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Affiliation(s)
- Rahul Kumar
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Zuckerberg San Francisco General Hospital and Trauma Center, University of California, San Francisco, Building 100, 3rd floor, 1001 Potrero Ave, San Francisco, CA 94110, USA
| | - Claudia Mickael
- Department of Medicine, Program in Translational Lung Research, Anschutz Medical Campus, Building RC2, 9th floor, 12700 E 19th Ave, Aurora, CO 80045, USA
| | - Biruk Kassa
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Zuckerberg San Francisco General Hospital and Trauma Center, University of California, San Francisco, Building 100, 3rd floor, 1001 Potrero Ave, San Francisco, CA 94110, USA
| | - Linda Sanders
- Department of Medicine, Program in Translational Lung Research, Anschutz Medical Campus, Building RC2, 9th floor, 12700 E 19th Ave, Aurora, CO 80045, USA
| | - Daniel Hernandez-Saavedra
- Department of Medicine, Program in Translational Lung Research, Anschutz Medical Campus, Building RC2, 9th floor, 12700 E 19th Ave, Aurora, CO 80045, USA
| | - Daniel E Koyanagi
- Department of Medicine, Program in Translational Lung Research, Anschutz Medical Campus, Building RC2, 9th floor, 12700 E 19th Ave, Aurora, CO 80045, USA
| | - Sushil Kumar
- Department of Pediatrics and Medicine, Cardiovascular Pulmonary Research Laboratory, Anschutz Medical Campus, Building RC2, 8th floor, 12700 E 19th Ave, Aurora, CO 80045, USA
| | - Steve C Pugliese
- Department of Medicine, University of Pennsylvania, 831 Gates building, 3400 Spruce Street, Philadelphia, PA 19104, USA
| | - Stacey Thomas
- Department of Medicine, National Jewish Health, 1400 Jackson St, Denver, CO 80206, USA
| | - Jazalle McClendon
- Department of Medicine, National Jewish Health, 1400 Jackson St, Denver, CO 80206, USA
| | - James P Maloney
- Department of Medicine, Anschutz Medical Campus, Building RC2, 9th floor, 12700 E 19th Ave, Aurora, CO 80045, USA
| | - William J Janssen
- Department of Medicine, National Jewish Health, 1400 Jackson St, Denver, CO 80206, USA
| | - Kurt R Stenmark
- Department of Pediatrics and Medicine, Cardiovascular Pulmonary Research Laboratory, Anschutz Medical Campus, Building RC2, 8th floor, 12700 E 19th Ave, Aurora, CO 80045, USA
| | - Rubin M Tuder
- Department of Medicine, Program in Translational Lung Research, Anschutz Medical Campus, Building RC2, 9th floor, 12700 E 19th Ave, Aurora, CO 80045, USA
| | - Brian B Graham
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Zuckerberg San Francisco General Hospital and Trauma Center, University of California, San Francisco, Building 100, 3rd floor, 1001 Potrero Ave, San Francisco, CA 94110, USA
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17
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Julovi SM, Sanganeria B, Minhas N, Ghimire K, Nankivell B, Rogers NM. Blocking thrombospondin-1 signaling via CD47 mitigates renal interstitial fibrosis. J Transl Med 2020; 100:1184-1196. [PMID: 32366943 DOI: 10.1038/s41374-020-0434-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 03/31/2020] [Accepted: 04/11/2020] [Indexed: 11/10/2022] Open
Abstract
Acute kidney injury triggers a complex cascade of molecular responses that can culminate in maladaptive repair and fibrosis. We have previously reported that the matrix protein thrombospondin-1 (TSP1), binding its high affinity its receptor CD47, promotes acute kidney injury. However, the role of this pathway in promoting fibrosis is less clear. Hypothesizing that limiting TSP1-CD47 signaling is protective against fibrosis, we interrogated this pathway in a mouse model of chronic ischemic kidney injury. Plasma and renal parenchymal expression of TSP1 in patients with chronic kidney disease was also assessed. We found that CD47-/- mice or wild-type mice treated with a CD47 blocking antibody showed clear amelioration of fibrotic histological changes compared to control animals. Wild-type mice showed upregulated TSP1 and pro-fibrotic markers which were significantly abrogated in CD47-/- and antibody-treated cohorts. Renal tubular epithelial cells isolated from WT mice showed robust upregulation of pro-fibrotic markers following hypoxic stress or exogenous TSP1, which was mitigated in CD47-/- cells. Patient sera showed a proportionate correlation between TSP1 levels and worsening glomerular filtration rate. Immunohistochemistry of human kidney tissue demonstrated tubular and glomerular matrix localization of TSP1 expression in patients with CKD. These data suggest that renal tubular epithelial cells contribute to fibrosis by activating TSP1-CD47 signaling, and point to CD47 as a potential target to limit fibrosis following ischemic injury.
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Affiliation(s)
- Sohel M Julovi
- Centre for Transplant and Renal Research, Westmead Institute for Medical Research, Camperdown, NSW, Australia
| | - Barkha Sanganeria
- Centre for Transplant and Renal Research, Westmead Institute for Medical Research, Camperdown, NSW, Australia
| | - Nikita Minhas
- Centre for Transplant and Renal Research, Westmead Institute for Medical Research, Camperdown, NSW, Australia
| | - Kedar Ghimire
- Centre for Transplant and Renal Research, Westmead Institute for Medical Research, Camperdown, NSW, Australia
| | - Brian Nankivell
- Centre for Transplant and Renal Research, Westmead Institute for Medical Research, Camperdown, NSW, Australia.,Westmead Clinical Medical School, University of Sydney, Camperdown, NSW, Australia.,Renal Division, Westmead Hospital, Camperdown, NSW, Australia
| | - Natasha M Rogers
- Centre for Transplant and Renal Research, Westmead Institute for Medical Research, Camperdown, NSW, Australia. .,Westmead Clinical Medical School, University of Sydney, Camperdown, NSW, Australia. .,Renal Division, Westmead Hospital, Camperdown, NSW, Australia. .,Department of Surgery, Thomas E. Starzl Transplantation Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
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18
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Isenberg JS, Roberts DD. Thrombospondin-1 in maladaptive aging responses: a concept whose time has come. Am J Physiol Cell Physiol 2020; 319:C45-C63. [PMID: 32374675 DOI: 10.1152/ajpcell.00089.2020] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Numerous age-dependent alterations at the molecular, cellular, tissue and organ systems levels underlie the pathophysiology of aging. Herein, the focus is upon the secreted protein thrombospondin-1 (TSP1) as a promoter of aging and age-related diseases. TSP1 has several physiological functions in youth, including promoting neural synapse formation, mediating responses to ischemic and genotoxic stress, minimizing hemorrhage, limiting angiogenesis, and supporting wound healing. These acute functions of TSP1 generally require only transient expression of the protein. However, accumulating basic and clinical data reinforce the view that chronic diseases of aging are associated with accumulation of TSP1 in the extracellular matrix, which is a significant maladaptive contributor to the aging process. Identification of the relevant cell types that chronically produce and respond to TSP1 and the molecular mechanisms that mediate the resulting maladaptive responses could direct the development of therapeutic agents to delay or revert age-associated maladies.
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Affiliation(s)
| | - David D Roberts
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
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19
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Abstract
The plasma proteome is rich in information. It comprises proteins that are secreted or lost from cells as they respond to their local environment. Changes in the constitution of the plasma proteome offer a relatively non-invasive report on the health of tissues. This is particularly true of the lung in pulmonary hypertension, given the large surface area of the pulmonary vasculature in direct communication with blood. So far, this is relatively untapped; we have relied on proteins released from the heart, specifically brain natriuretic peptide and troponin, to inform clinical management. New technology allows the measurement of a larger number of proteins that cover a broad range of molecular pathways in a single small aliquot. The emerging data will yield more than just new biomarkers of pulmonary hypertension for clinical use. Integrated with genomics and with the help of new bioinformatic tools, the plasma proteome can provide insight into the causative drivers of pulmonary vascular disease and guide drug development.
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Affiliation(s)
- Martin Wilkins
- Imperial College London, Hammersmith Hospital, Du Cane Road, London W12 0NN, United Kingdom
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20
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Goyanes AM, Moldobaeva A, Marimoutou M, Varela LC, Wang L, Johnston LF, Aladdin MM, Peloquin GL, Kim BS, Damarla M, Suresh K, Sato T, Kolb TM, Hassoun PM, Damico RL. Functional Impact of Human Genetic Variants of COL18A1/Endostatin on Pulmonary Endothelium. Am J Respir Cell Mol Biol 2020; 62:524-534. [PMID: 31922883 PMCID: PMC7110972 DOI: 10.1165/rcmb.2019-0056oc] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 01/08/2020] [Indexed: 12/22/2022] Open
Abstract
Pulmonary arterial hypertension (PAH) is an incurable disease characterized by disordered and dysfunctional angiogenesis leading to small-vessel loss and an obliterative vasculopathy. The pathogenesis of PAH is not fully understood, but multiple studies have demonstrated links between elevated angiostatic factors, disease severity, and adverse clinical outcomes. ES (endostatin), one such circulating angiostatic peptide, is the cleavage product of the proteoglycan COL18A1 (collagen α1[XVIII] chain). Elevated serum ES is associated with increased mortality and disease severity in PAH. A nonsynonymous variant of ES (aspartic acid-to-asparagine substitution at amino acid 104; p.D104N) is associated with differences in PAH survival. Although COL18A1/ES expression is markedly increased in remodeled pulmonary vessels in PAH, the impact of ES on pulmonary endothelial cell (PEC) biology and molecular contributions to PAH severity remain undetermined. In the present study, we characterized the effects of exogenous ES on human PEC biology and signaling. We demonstrated that ES inhibits PEC migration, proliferation, and cell survival, with significant differences between human variants, indicating that they are functional genetic variants. ES promotes proteasome-mediated degradation of the transcriptional repressor ID1, increasing expression and release of TSP-1 (thrombospondin 1). ES inhibits PEC migration via an ID1/TSP-1/CD36-dependent pathway, in contrast to proliferation and apoptosis, which require both CD36 and CD47. Collectively, the data implicate ES as a novel negative regulator of ID1 and an upstream propagator of an angiostatic signal cascade converging on CD36 and CD47, providing insight into the cellular and molecular effects of a functional genetic variant linked to altered outcomes in PAH.
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Affiliation(s)
| | - Aigul Moldobaeva
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, and
| | - Mery Marimoutou
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, and
| | - Lidenys C. Varela
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, and
| | - Lan Wang
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, and
| | - Laura F. Johnston
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, and
| | - Meena M. Aladdin
- Department of Environmental Health Sciences, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland
| | - Grace L. Peloquin
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, and
| | - Bo S. Kim
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, and
| | - Mahendra Damarla
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, and
| | - Karthik Suresh
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, and
| | - Takahiro Sato
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, and
| | - Todd M. Kolb
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, and
| | - Paul M. Hassoun
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, and
| | - Rachel L. Damico
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, and
- Department of Environmental Health Sciences, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland
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21
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Cheng Q, Gu J, Adhikari BK, Sun L, Sun J. Is CD47 a potentially promising therapeutic target in cardiovascular diseases? - Role of CD47 in cardiovascular diseases. Life Sci 2020; 247:117426. [PMID: 32061866 DOI: 10.1016/j.lfs.2020.117426] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 02/03/2020] [Accepted: 02/09/2020] [Indexed: 01/03/2023]
Abstract
CD47 (cluster of differentiation 47) is a ubiquitously expressed transmembrane protein that belongs to the immunoglobulin superfamily. CD47 is both a receptor for the matricellular protein thrombospondin-1 (TSP-1) and a ligand for signal-regulatory protein alpha (SIRPα). Suppression of CD47 activity enhances angiogenesis and blood flow, restores phagocytosis by macrophages, improves ischemic tissue survival, attenuates ischemia reperfusion injury, and reverses atherosclerotic plaque formation. In conclusion, these observations suggest a pathogenic role of CD47 in the development of cardiovascular diseases (CVDs) and indicate that CD47 might be a potentially promising molecular target for treating CVDs. Herein, we highlight the role of CD47 in the CVD pathogenesis and discuss the potential clinical application by targeting CD47 for treating CVDs.
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Affiliation(s)
- Quanli Cheng
- The First Hospital and Center of Cardiovascular Diseases, Jilin University, Changchun, China
| | - Junlian Gu
- The School of Nursing, Shandong University, Jinan, China
| | - Binay Kumar Adhikari
- The First Hospital and Center of Cardiovascular Diseases, Jilin University, Changchun, China
| | - Liguang Sun
- The First Hospital and Institute of Immunology, Jilin University, Changchun, China.
| | - Jian Sun
- The First Hospital and Center of Cardiovascular Diseases, Jilin University, Changchun, China.
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22
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Rhodes CJ. Targeting Vessel Formation in Pulmonary Arterial Hypertension: Is the Endostatin- Id1-Thrombospondin 1 Pathway a New Hope? Am J Respir Cell Mol Biol 2020; 62:411-412. [PMID: 32049569 PMCID: PMC7110980 DOI: 10.1165/rcmb.2020-0012ed] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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23
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Bao Q, Zhang B, Suo Y, Liu C, Yang Q, Zhang K, Yuan M, Yuan M, Zhang Y, Li G. Intermittent hypoxia mediated by TSP1 dependent on STAT3 induces cardiac fibroblast activation and cardiac fibrosis. eLife 2020; 9:e49923. [PMID: 31934850 PMCID: PMC6992386 DOI: 10.7554/elife.49923] [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] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 01/10/2020] [Indexed: 12/14/2022] Open
Abstract
Intermittent hypoxia (IH) is the predominant pathophysiological disturbance in obstructive sleep apnea (OSA), known to be independently associated with cardiovascular diseases. However, the effect of IH on cardiac fibrosis and molecular events involved in this process are unclear. Here, we tested IH in angiotensin II (Ang II)-induced cardiac fibrosis and signaling linked to fibroblast activation. IH triggered cardiac fibrosis and aggravated Ang II-induced cardiac dysfunction in mice. Plasma thrombospondin-1 (TSP1) content was upregulated in both IH-exposed mice and OSA patients. Moreover, both in vivo and in vitro results showed IH-induced cardiac fibroblast activation and increased TSP1 expression in cardiac fibroblasts. Mechanistically, phosphorylation of STAT3 at Tyr705 mediated the IH-induced TSP1 expression and fibroblast activation. Finally, STAT3 inhibitor S3I-201 or AAV9 carrying a periostin promoter driving the expression of shRNA targeting Stat3 significantly attenuated the synergistic effects of IH and Ang II on cardiac fibrosis in mice. This work suggests a potential therapeutic strategy for OSA-related fibrotic heart disease.
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Affiliation(s)
- Qiankun Bao
- Tianjin key laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of CardiologyThe Second Hospital of Tianjin Medical UniversityTianjinChina
| | - Bangying Zhang
- Tianjin key laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of CardiologyThe Second Hospital of Tianjin Medical UniversityTianjinChina
| | - Ya Suo
- Tianjin key laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of CardiologyThe Second Hospital of Tianjin Medical UniversityTianjinChina
| | - Chen Liu
- Department of Clinical LaboratoryPeking University People's HospitalBeijingChina
| | - Qian Yang
- Tianjin key laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of CardiologyThe Second Hospital of Tianjin Medical UniversityTianjinChina
| | - Kai Zhang
- Tianjin key laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of CardiologyThe Second Hospital of Tianjin Medical UniversityTianjinChina
| | - Ming Yuan
- Tianjin key laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of CardiologyThe Second Hospital of Tianjin Medical UniversityTianjinChina
| | - Meng Yuan
- Tianjin key laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of CardiologyThe Second Hospital of Tianjin Medical UniversityTianjinChina
| | - Yue Zhang
- Tianjin key laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of CardiologyThe Second Hospital of Tianjin Medical UniversityTianjinChina
| | - Guangping Li
- Tianjin key laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of CardiologyThe Second Hospital of Tianjin Medical UniversityTianjinChina
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24
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Mickael CS, Graham BB. The Role of Type 2 Inflammation in Schistosoma-Induced Pulmonary Hypertension. Front Immunol 2019; 10:27. [PMID: 30733718 PMCID: PMC6353826 DOI: 10.3389/fimmu.2019.00027] [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] [Received: 09/11/2018] [Accepted: 01/08/2019] [Indexed: 12/15/2022] Open
Abstract
Approximately 5% of individuals chronically infected with Schistosoma mansoni develop pulmonary hypertension (PH). The disease is progressive and often fatal, and treatment options are palliative, not curative. Recent studies have unraveled major players of the Th2 inflammation axis in the Schistosoma-induced PH pathology using murine models and studying human samples. TGF-β signaling is a link between the Type 2 inflammation and vascular remodeling, and specifically Thrombospondin-1 (TSP-1) is upregulated by the inflammation and activates TGF-β. Overall, the current model for the pathogenesis of Schistosoma-induced PH is that deposition of Schistosoma mansoni eggs in the pulmonary vasculature results in localized Th2 inflammation, leading to TGF-β activation by TSP-1, and the active TGF-β then results in vascular remodeling and PH.
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Affiliation(s)
- Claudia S Mickael
- Program in Translational Lung Research, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Brian B Graham
- Program in Translational Lung Research, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
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25
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Rogers NM, Ghimire K, Calzada MJ, Isenberg JS. Matricellular protein thrombospondin-1 in pulmonary hypertension: multiple pathways to disease. Cardiovasc Res 2018; 113:858-868. [PMID: 28472457 DOI: 10.1093/cvr/cvx094] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Accepted: 05/03/2017] [Indexed: 12/24/2022] Open
Abstract
Matricellular proteins are secreted molecules that have affinities for both extracellular matrix and cell surface receptors. Through interaction with structural proteins and the cells that maintain the matrix these proteins can alter matrix strength. Matricellular proteins exert control on cell activity primarily through engagement of membrane receptors that mediate outside-in signaling. An example of this group is thrombospondin-1 (TSP1), first identified as a component of the secreted product of activated platelets. As a result, TSP1 was initially studied in relation to coagulation, growth factor signaling and angiogenesis. More recently, TSP1 has been found to alter the effects of the gaseous transmitter nitric oxide (NO). This latter capacity has provided motivation to study TSP1 in diseases associated with loss of NO signaling as observed in cardiovascular disease and pulmonary hypertension (PH). PH is characterized by progressive changes in the pulmonary vasculature leading to increased resistance to blood flow and subsequent right heart failure. Studies have linked TSP1 to pre-clinical animal models of PH and more recently to clinical PH. This review will provide analysis of the vascular and non-vascular effects of TSP1 that contribute to PH, the experimental and translational studies that support a role for TSP1 in disease promotion and frame the relevance of these findings to therapeutic strategies.
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Affiliation(s)
- Natasha M Rogers
- Medicine, Westmead Clinical School, University of Sydney, Sydney, New South Wales 2145, Australia
| | - Kedar Ghimire
- Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA
| | - Maria J Calzada
- Department of Medicine, Universidad Autónoma of Madrid, Diego de León, Hospital Universitario of the Princesa, 62?28006 Madrid, Spain
| | - Jeffrey S Isenberg
- Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA.,Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA
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26
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Zhao C, Isenberg JS, Popel AS. Human expression patterns: qualitative and quantitative analysis of thrombospondin-1 under physiological and pathological conditions. J Cell Mol Med 2018; 22:2086-2097. [PMID: 29441713 PMCID: PMC5867078 DOI: 10.1111/jcmm.13565] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Accepted: 01/07/2018] [Indexed: 12/12/2022] Open
Abstract
Thrombospondin-1 (TSP-1), a matricellular protein and one of the first endogenous anti-angiogenic molecules identified, has long been considered a potent modulator of human diseases. While the therapeutic effect of TSP-1 to suppress cancer was investigated in both research and clinical settings, the mechanisms of how TSP-1 is regulated in cancer remain elusive, and the scientific answers to the question of whether TSP-1 expressions can be utilized as diagnostic or prognostic marker for patients with cancer are largely inconsistent. Moreover, TSP-1 plays crucial functions in angiogenesis, inflammation and tissue remodelling, which are essential biological processes in the progression of many cardiovascular diseases, and therefore, its dysregulated expressions in such conditions may have therapeutic significance. Herein, we critically analysed the literature pertaining to TSP-1 expression in circulating blood and pathological tissues in various types of cancer as well as cardiovascular and inflammation-related diseases in humans. We compare the secretion rates of TSP-1 by different cancer and non-cancer cells and discuss the potential connection between the expression changes of TSP-1 and vascular endothelial growth factor (VEGF) observed in patients with cancer. Moreover, the pattern and emerging significance of TSP-1 profiles in cardiovascular disease, such as peripheral arterial disease, diabetes and other related non-cancer disorders, are highlighted. The analysis of published TSP-1 data presented in this review may have implications for the future exploration of novel TSP-1-based treatment strategies for cancer and cardiovascular-related diseases.
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Affiliation(s)
- Chen Zhao
- Department of Biomedical EngineeringSchool of MedicineJohns Hopkins UniversityBaltimoreMDUSA
| | - Jeffrey S. Isenberg
- Division of Pulmonary, Allergy and Critical CareDepartment of MedicineHeart, Lung, Blood and Vascular Medicine InstituteUniversity of Pittsburgh School of MedicinePittsburghPAUSA
| | - Aleksander S. Popel
- Department of Biomedical EngineeringSchool of MedicineJohns Hopkins UniversityBaltimoreMDUSA
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27
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Jiang J, Xia Y, Liang Y, Yang M, Zeng W, Zeng X. miR-190a-5p participates in the regulation of hypoxia-induced pulmonary hypertension by targeting KLF15 and can serve as a biomarker of diagnosis and prognosis in chronic obstructive pulmonary disease complicated with pulmonary hypertension. Int J Chron Obstruct Pulmon Dis 2018; 13:3777-3790. [PMID: 30538440 PMCID: PMC6251363 DOI: 10.2147/copd.s182504] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
PURPOSE miR-190a-5p expression alters dynamically in response to hypoxia. However, the role of miR-190a-5p expression in hypoxia-induced pulmonary hypertension (PH) remains unclear. We sought to correlate the miR-190a-5p expression levels with the severity, diagnosis, and prognosis of PH in relation to chronic obstructive pulmonary disease (COPD-PH). Additionally, we evaluated the effect of miR-190a-5p through in vitro experiments on human pulmonary endothelial cells (HPECs) that were exposed to hypoxia and in vivo experiments using an animal model of hypoxia-induced PH. METHODS Circulating miR-190a-5p levels were measured from 73 patients with PH and 32 healthy controls through quantitative real-time PCR. The levels of miR-190a-5p and the expression of Krüppel-like factor 15 (KLF15) were analyzed in HPECs that were exposed to hypoxia, and the effects of antagomir-190a-5p in mice with chronic hypoxia-induced PH were tested. Target gene analysis was performed by Western blot and luciferase assay. RESULTS The miR-190a-5p level was significantly higher in patients with COPD-PH than in the healthy controls. Higher miR-190a-5p levels were associated with a greater severity of COPD-PH. In vitro experiments on HPECs showed that exposure to hypoxia increased the miR-190a-5p levels significantly. KLF15 was validated as a target of miR-190a-5p. Transfection with miR-190a-5p mimicked inhibition of KLF15 expression in HPECs. In the mouse model of PH, antagomir-190a-5p reduced right ventricular systolic pressure and enhanced the KLF15 expression levels in lung tissue. CONCLUSION miR-190a-5p regulates hypoxia-induced PH by targeting KLF15. The circulating levels of miR-190a-5p correlate with the severity of COPD-PH, thereby confirming the diagnostic and prognostic value of this parameter in COPD-PH.
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MESH Headings
- Adult
- Aged
- Animals
- Biomarkers/metabolism
- Case-Control Studies
- Cell Hypoxia
- Cells, Cultured
- Disease Models, Animal
- Endothelial Cells/metabolism
- Female
- Gene Expression Regulation
- Humans
- Hypertension, Pulmonary/etiology
- Hypertension, Pulmonary/genetics
- Hypertension, Pulmonary/metabolism
- Hypertension, Pulmonary/physiopathology
- Kruppel-Like Transcription Factors/genetics
- Kruppel-Like Transcription Factors/metabolism
- Lung/blood supply
- Male
- Mice, Inbred C57BL
- MicroRNAs/genetics
- MicroRNAs/metabolism
- Middle Aged
- Nuclear Proteins/genetics
- Nuclear Proteins/metabolism
- Predictive Value of Tests
- Prognosis
- Prospective Studies
- Pulmonary Disease, Chronic Obstructive/complications
- Pulmonary Disease, Chronic Obstructive/genetics
- Pulmonary Disease, Chronic Obstructive/metabolism
- Pulmonary Disease, Chronic Obstructive/physiopathology
- Severity of Illness Index
- Signal Transduction
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Affiliation(s)
- Jing Jiang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, People's Republic of China
| | - Yimeng Xia
- Department of Anesthesiology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200025, People's Republic of China
| | - Yi Liang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, People's Republic of China
| | - Meiling Yang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, People's Republic of China
| | - Wen Zeng
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, People's Republic of China
| | - Xiaocong Zeng
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, People's Republic of China,
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28
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Stenina-Adognravi O, Plow EF. Thrombospondin-4 in tissue remodeling. Matrix Biol 2017; 75-76:300-313. [PMID: 29138119 DOI: 10.1016/j.matbio.2017.11.006] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 10/11/2017] [Accepted: 11/08/2017] [Indexed: 01/09/2023]
Abstract
Thrombospondin-4 (TSP-4) belongs to the thrombospondin protein family that consists of five highly homologous members. A number of novel functions have been recently assigned to TSP-4 in cardiovascular and nervous systems, inflammation, cancer, and the motor unit, which have attracted attention to this extracellular matrix (ECM) protein. These newly discovered functions set TSP-4 apart from other thrombospondins. For example, TSP-4 promotes angiogenesis while other TSPs either prevent it or have no effect on new blood vessel growth; TSP-4 reduces fibrosis and collagen production while TSP-1 and TSP-2 promote fibrosis in several organs; unlike other TSPs, TSP-4 appears to have some structural functions in ECM. The current information about TSP-4 functions in different organs and physiological systems suggests that this evolutionary conserved protein is a major regulator of the extracellular matrix (ECM) organization and production and tissue remodeling during the embryonic development and response to injury. In this review article, we summarize the properties and functions of TSP-4 and discuss its role in tissue remodeling.
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Affiliation(s)
- Olga Stenina-Adognravi
- Department of Molecular Cardiology, Cleveland Clinic, 9500 Euclid Ave, Cleveland, OH 44195, USA.
| | - Edward F Plow
- Department of Molecular Cardiology, Cleveland Clinic, 9500 Euclid Ave, Cleveland, OH 44195, USA.
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29
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Roberts DD, Kaur S, Isenberg JS. Regulation of Cellular Redox Signaling by Matricellular Proteins in Vascular Biology, Immunology, and Cancer. Antioxid Redox Signal 2017; 27:874-911. [PMID: 28712304 PMCID: PMC5653149 DOI: 10.1089/ars.2017.7140] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 07/11/2017] [Accepted: 07/13/2017] [Indexed: 12/15/2022]
Abstract
SIGNIFICANCE In contrast to structural elements of the extracellular matrix, matricellular proteins appear transiently during development and injury responses, but their sustained expression can contribute to chronic disease. Through interactions with other matrix components and specific cell surface receptors, matricellular proteins regulate multiple signaling pathways, including those mediated by reactive oxygen and nitrogen species and H2S. Dysregulation of matricellular proteins contributes to the pathogenesis of vascular diseases and cancer. Defining the molecular mechanisms and receptors involved is revealing new therapeutic opportunities. Recent Advances: Thrombospondin-1 (TSP1) regulates NO, H2S, and superoxide production and signaling in several cell types. The TSP1 receptor CD47 plays a central role in inhibition of NO signaling, but other TSP1 receptors also modulate redox signaling. The matricellular protein CCN1 engages some of the same receptors to regulate redox signaling, and ADAMTS1 regulates NO signaling in Marfan syndrome. In addition to mediating matricellular protein signaling, redox signaling is emerging as an important pathway that controls the expression of several matricellular proteins. CRITICAL ISSUES Redox signaling remains unexplored for many matricellular proteins. Their interactions with multiple cellular receptors remains an obstacle to defining signaling mechanisms, but improved transgenic models could overcome this barrier. FUTURE DIRECTIONS Therapeutics targeting the TSP1 receptor CD47 may have beneficial effects for treating cardiovascular disease and cancer and have recently entered clinical trials. Biomarkers are needed to assess their effects on redox signaling in patients and to evaluate how these contribute to their therapeutic efficacy and potential side effects. Antioxid. Redox Signal. 27, 874-911.
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Affiliation(s)
- David D. Roberts
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Sukhbir Kaur
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Jeffrey S. Isenberg
- Division of Pulmonary, Allergy and Critical Care, Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
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30
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Labrousse-Arias D, Martínez-Ruiz A, Calzada MJ. Hypoxia and Redox Signaling on Extracellular Matrix Remodeling: From Mechanisms to Pathological Implications. Antioxid Redox Signal 2017; 27:802-822. [PMID: 28715969 DOI: 10.1089/ars.2017.7275] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
SIGNIFICANCE The extracellular matrix (ECM) is an essential modulator of cell behavior that influences tissue organization. It has a strong relevance in homeostasis and translational implications for human disease. In addition to ECM structural proteins, matricellular proteins are important regulators of the ECM that are involved in a myriad of different pathologies. Recent Advances: Biochemical studies, animal models, and study of human diseases have contributed to the knowledge of molecular mechanisms involved in remodeling of the ECM, both in homeostasis and disease. Some of them might help in the development of new therapeutic strategies. This review aims to review what is known about some of the most studied matricellular proteins and their regulation by hypoxia and redox signaling, as well as the pathological implications of such regulation. CRITICAL ISSUES Matricellular proteins have complex regulatory functions and are modulated by hypoxia and redox signaling through diverse mechanisms, in some cases with controversial effects that can be cell or tissue specific and context dependent. Therefore, a better understanding of these regulatory processes would be of great benefit and will open new avenues of considerable therapeutic potential. FUTURE DIRECTIONS Characterizing the specific molecular mechanisms that modulate matricellular proteins in pathological processes that involve hypoxia and redox signaling warrants additional consideration to harness the potential therapeutic value of these regulatory proteins. Antioxid. Redox Signal. 27, 802-822.
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Affiliation(s)
- David Labrousse-Arias
- 1 Servicio de Inmunología, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP) , Madrid, Spain
| | - Antonio Martínez-Ruiz
- 1 Servicio de Inmunología, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP) , Madrid, Spain .,2 Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV) , Madrid, Spain
| | - María J Calzada
- 1 Servicio de Inmunología, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP) , Madrid, Spain .,3 Departmento de Medicina, Universidad Autónoma de Madrid , Madrid, Spain
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31
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Thrombospondins: A Role in Cardiovascular Disease. Int J Mol Sci 2017; 18:ijms18071540. [PMID: 28714932 PMCID: PMC5536028 DOI: 10.3390/ijms18071540] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Revised: 07/05/2017] [Accepted: 07/13/2017] [Indexed: 12/16/2022] Open
Abstract
Thrombospondins (TSPs) represent extracellular matrix (ECM) proteins belonging to the TSP family that comprises five members. All TSPs have a complex multidomain structure that permits the interaction with various partners including other ECM proteins, cytokines, receptors, growth factors, etc. Among TSPs, TSP1, TSP2, and TSP4 are the most studied and functionally tested. TSP1 possesses anti-angiogenic activity and is able to activate transforming growth factor (TGF)-β, a potent profibrotic and anti-inflammatory factor. Both TSP2 and TSP4 are implicated in the control of ECM composition in hypertrophic hearts. TSP1, TSP2, and TSP4 also influence cardiac remodeling by affecting collagen production, activity of matrix metalloproteinases and TGF-β signaling, myofibroblast differentiation, cardiomyocyte apoptosis, and stretch-mediated enhancement of myocardial contraction. The development and evaluation of TSP-deficient animal models provided an option to assess the contribution of TSPs to cardiovascular pathology such as (myocardial infarction) MI, cardiac hypertrophy, heart failure, atherosclerosis, and aortic valve stenosis. Targeting of TSPs has a significant therapeutic value for treatment of cardiovascular disease. The activation of cardiac TSP signaling in stress and pressure overload may be therefore beneficial.
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32
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TGF-β activation by bone marrow-derived thrombospondin-1 causes Schistosoma- and hypoxia-induced pulmonary hypertension. Nat Commun 2017; 8:15494. [PMID: 28555642 PMCID: PMC5459967 DOI: 10.1038/ncomms15494] [Citation(s) in RCA: 98] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Accepted: 04/03/2017] [Indexed: 12/11/2022] Open
Abstract
Pulmonary arterial hypertension (PAH) is an obstructive disease of the precapillary pulmonary arteries. Schistosomiasis-associated PAH shares altered vascular TGF-β signalling with idiopathic, heritable and autoimmune-associated etiologies; moreover, TGF-β blockade can prevent experimental pulmonary hypertension (PH) in pre-clinical models. TGF-β is regulated at the level of activation, but how TGF-β is activated in this disease is unknown. Here we show TGF-β activation by thrombospondin-1 (TSP-1) is both required and sufficient for the development of PH in Schistosoma-exposed mice. Following Schistosoma exposure, TSP-1 levels in the lung increase, via recruitment of circulating monocytes, while TSP-1 inhibition or knockout bone marrow prevents TGF-β activation and protects against PH development. TSP-1 blockade also prevents the PH in a second model, chronic hypoxia. Lastly, the plasma concentration of TSP-1 is significantly increased in subjects with scleroderma following PAH development. Targeting TSP-1-dependent activation of TGF-β could thus be a therapeutic approach in TGF-β-dependent vascular diseases. Thrombospondin-1 (TSP-1) activates latent TGF-β in the extracellular matrix. Here the authors show that inappropriate activation of latent TGF-β in murine, bovine and human lung by monocyte-produced TSP-1 causes pulmonary hypertension, and that interference with the activation process prevents disease development.
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33
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Buda V, Andor M, Petrescu L, Cristescu C, Baibata DE, Voicu M, Munteanu M, Citu I, Muntean C, Cretu O, Tomescu MC. Perindopril Induces TSP-1 Expression in Hypertensive Patients with Endothelial Dysfunction in Chronic Treatment. Int J Mol Sci 2017; 18:ijms18020348. [PMID: 28178210 PMCID: PMC5343883 DOI: 10.3390/ijms18020348] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Revised: 01/12/2017] [Accepted: 01/30/2017] [Indexed: 02/06/2023] Open
Abstract
Thrombospondin-1 (TSP-1) is a potent endogenous inhibitor of both physiological and pathological angiogenesis, widely studied as a target in drug development for treating cancer. Several studies performed in the cardiovascular field on TSP-1 are contradictory, the role of TSP-1 in the physiopathology of cardiovascular disorders (CVDs) being, for the moment, incompletely understood and may be due to the presence of several domains in its structure which can stimulate many cellular receptors. It has been reported to inhibit NO-mediated signaling and to act on the angiogenesis, tissue perfusion, endothelial cell proliferation, and homeostasis, so we aimed to quantify the effect Perindopril has on TSP-1 plasma levels in hypertensive patients with endothelial dysfunction in comparison with other antihypertensive drugs, such as beta blockers, calcium channel blockers, and diuretics, in a chronic treatment. As a conclusion, patients under treatment with Perindopril had increased plasma levels of TSP-1 compared with other hypertensive patients and with the control group. The results of this study confirms the pleiotropic properties of Perindopril: anti-proliferative, anti-inflammatory, with effects showed by quantifying a single biomarker: TSP-1.
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Affiliation(s)
- Valentina Buda
- Faculty of Pharmacy, Victor Babeş University of Medicine and Pharmacy, 2 EftimieMurgu, 300041 Timisoara, Romania.
| | - Minodora Andor
- Faculty of Medicine, Victor Babeş University of Medicine and Pharmacy, 2 EftimieMurgu, 300041 Timisoara, Romania.
| | - Lucian Petrescu
- Faculty of Medicine, Victor Babeş University of Medicine and Pharmacy, 2 EftimieMurgu, 300041 Timisoara, Romania.
| | - Carmen Cristescu
- Faculty of Pharmacy, Victor Babeş University of Medicine and Pharmacy, 2 EftimieMurgu, 300041 Timisoara, Romania.
| | - Dana Emilia Baibata
- Faculty of Medicine, Victor Babeş University of Medicine and Pharmacy, 2 EftimieMurgu, 300041 Timisoara, Romania.
| | - Mirela Voicu
- Faculty of Pharmacy, Victor Babeş University of Medicine and Pharmacy, 2 EftimieMurgu, 300041 Timisoara, Romania.
| | - Melania Munteanu
- Faculty of Pharmacy, VasileGoldis Western University, 86 LiviuRebreanu, 310045 Arad, Romania.
| | - Ioana Citu
- Faculty of Medicine, Victor Babeş University of Medicine and Pharmacy, 2 EftimieMurgu, 300041 Timisoara, Romania.
| | - Calin Muntean
- Faculty of Medicine, Victor Babeş University of Medicine and Pharmacy, 2 EftimieMurgu, 300041 Timisoara, Romania.
| | - Octavian Cretu
- Faculty of Medicine, Victor Babeş University of Medicine and Pharmacy, 2 EftimieMurgu, 300041 Timisoara, Romania.
| | - Mirela Cleopatra Tomescu
- Faculty of Medicine, Victor Babeş University of Medicine and Pharmacy, 2 EftimieMurgu, 300041 Timisoara, Romania.
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Kuebler WM. What mediates the effects of thrombospondin-1 in pulmonary hypertension? New evidence for a dual-pronged role of CD47. Cardiovasc Res 2016; 113:3-5. [PMID: 28069696 DOI: 10.1093/cvr/cvw232] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Affiliation(s)
- Wolfgang M Kuebler
- Institute of Physiology, Charité - Universitaetsmedizin Berlin, Charité - platz 1, 10117 Berlin, Germany; The Keenan Research Centre for Biomedical Science at St. Michael's, 30 Bond Street, M5B 1W8, Toronto, Ontario, Canada; Department of Surgery, University of Toronto, 149 College Street, Toronto, Ontario M5T 1P5, Canada; and Department of Physiology, University of Toronto, 1 King's College Circle, Toronto, Ontario M5S 1A8, Canada
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