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Hassan S, Rezaei Z, Luna E, Yilmaz-Aykut D, Lee MC, Perea AM, Jamaiyar A, Bassous N, Hirano M, Tourk FM, Choi C, Becker M, Yazdi I, Fan K, Avila-Ramirez AE, Ge D, Abdi R, Fisch S, Leijten J, Feinberg MW, Mandal BB, Liao R, Shin SR. Injectable Self-Oxygenating Cardio-Protective and Tissue Adhesive Silk-Based Hydrogel for Alleviating Ischemia After Mi Injury. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2312261. [PMID: 38733225 DOI: 10.1002/smll.202312261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 04/23/2024] [Indexed: 05/13/2024]
Abstract
Myocardial infarction (MI) is a significant cardiovascular disease that restricts blood flow, resulting in massive cell death and leading to stiff and noncontractile fibrotic scar tissue formation. Recently, sustained oxygen release in the MI area has shown regeneration ability; however, improving its therapeutic efficiency for regenerative medicine remains challenging. Here, a combinatorial strategy for cardiac repair by developing cardioprotective and oxygenating hybrid hydrogels that locally sustain the release of stromal cell-derived factor-1 alpha (SDF) and oxygen for simultaneous activation of neovascularization at the infarct area is presented. A sustained release of oxygen and SDF from injectable, mechanically robust, and tissue-adhesive silk-based hybrid hydrogels is achieved. Enhanced endothelialization under normoxia and anoxia is observed. Furthermore, there is a marked improvement in vascularization that leads to an increment in cardiomyocyte survival by ≈30% and a reduction of the fibrotic scar formation in an MI animal rodent model. Improved left ventricular systolic and diastolic functions by ≈10% and 20%, respectively, with a ≈25% higher ejection fraction on day 7 are also observed. Therefore, local delivery of therapeutic oxygenating and cardioprotective hydrogels demonstrates beneficial effects on cardiac functional recovery for reparative therapy.
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Affiliation(s)
- Shabir Hassan
- Division of Engineering in Medicine, Brigham and Women's Hospital, Department of Medicine, Harvard Medical School, 65 Landsdowne St, Cambridge, 02139, United States
- Department of Biological Sciences, Khalifa University, Shakhbout Bin Sultan St, Abu Dhabi, 127788, United Arab Emirates
- Biotechnology Center (BTC), Khalifa University, Shakhbout Bin Sultan St, Abu Dhabi, 127788, United Arab Emirates
| | - Zahra Rezaei
- Division of Engineering in Medicine, Brigham and Women's Hospital, Department of Medicine, Harvard Medical School, 65 Landsdowne St, Cambridge, 02139, United States
- Department of Chemical Engineering, Sharif University of Technology, Tehran, 1365-11155, Iran
| | - Eder Luna
- Division of Engineering in Medicine, Brigham and Women's Hospital, Department of Medicine, Harvard Medical School, 65 Landsdowne St, Cambridge, 02139, United States
| | - Dilara Yilmaz-Aykut
- Division of Engineering in Medicine, Brigham and Women's Hospital, Department of Medicine, Harvard Medical School, 65 Landsdowne St, Cambridge, 02139, United States
- Department of Chemical Engineering, Faculty of Engineering, Istanbul University-Cerrahpaşa, Istanbul, 34320, Turkey
| | - Myung Chul Lee
- Division of Engineering in Medicine, Brigham and Women's Hospital, Department of Medicine, Harvard Medical School, 65 Landsdowne St, Cambridge, 02139, United States
- Biomedical Research Division, Medicinal Materials Research Center, Korea Institute of Science and Technology (KIST), Seoul, South Korea
| | - Ana Marie Perea
- Division of Engineering in Medicine, Brigham and Women's Hospital, Department of Medicine, Harvard Medical School, 65 Landsdowne St, Cambridge, 02139, United States
- School of Science and Engineering, Technologico de Monterrey, Monterrey, Mexico
| | - Anurag Jamaiyar
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Nicole Bassous
- Division of Engineering in Medicine, Brigham and Women's Hospital, Department of Medicine, Harvard Medical School, 65 Landsdowne St, Cambridge, 02139, United States
| | - Minoru Hirano
- Division of Engineering in Medicine, Brigham and Women's Hospital, Department of Medicine, Harvard Medical School, 65 Landsdowne St, Cambridge, 02139, United States
- Future Vehicle Research Department, Toyota Research Institute North America, Toyota Motor North America, Inc., 1555 Woodridge Ave., Ann Arbor, MI, 48105, USA
| | - Fatima Mumtaza Tourk
- Division of Engineering in Medicine, Brigham and Women's Hospital, Department of Medicine, Harvard Medical School, 65 Landsdowne St, Cambridge, 02139, United States
- Department of Mechanical Engineering, Northeastern University, Boston, MA, 02115, USA
| | - Cholong Choi
- Division of Engineering in Medicine, Brigham and Women's Hospital, Department of Medicine, Harvard Medical School, 65 Landsdowne St, Cambridge, 02139, United States
| | - Malin Becker
- Department of BioEngineering Technologies, Faculty of Science and Technology, Technical Medical Centre, University of Twente, Drienerlolaan 5, Enschede, 7522 NB, The Netherlands
| | - Iman Yazdi
- School of Arts and Sciences, Regis College, 235 Wellesley Street, Weston, MA, 02493, USA
| | - Kai Fan
- Division of Engineering in Medicine, Brigham and Women's Hospital, Department of Medicine, Harvard Medical School, 65 Landsdowne St, Cambridge, 02139, United States
- School of Automation, Hangzhou Dianzi, Hangzhou, Zhejiang, 310018, China
| | - Alan Eduardo Avila-Ramirez
- Division of Engineering in Medicine, Brigham and Women's Hospital, Department of Medicine, Harvard Medical School, 65 Landsdowne St, Cambridge, 02139, United States
- Division of Biological and Environmental Science Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - David Ge
- Division of Engineering in Medicine, Brigham and Women's Hospital, Department of Medicine, Harvard Medical School, 65 Landsdowne St, Cambridge, 02139, United States
| | - Reza Abdi
- Transplantation Research Center, Renal Division, Brigham and Women's Hospital / Harvard Medical School, Boston, MA, 02115, USA
| | - Sudeshna Fisch
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Jeroen Leijten
- Department of BioEngineering Technologies, Faculty of Science and Technology, Technical Medical Centre, University of Twente, Drienerlolaan 5, Enschede, 7522 NB, The Netherlands
| | - Mark W Feinberg
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Biman B Mandal
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, 781039, India
- Center for nanotechnology, Indian Institute of Technology Guwahati (IITG), Guwahati, Assam, 781039, India
- Jyoti and Bhupat Mehta School of health Sciences and Technology, Indian Institute of Technology Guwahati (IITG), Guwahati, Assam, 781039, India
| | - Ronglih Liao
- School of Medicine, Stanford University, Stanford, CA, 94305-5101, USA
- Stanford Amyloid Center, Stanford University, Stanford, CA, 94305-5101, USA
| | - Su Ryon Shin
- Division of Engineering in Medicine, Brigham and Women's Hospital, Department of Medicine, Harvard Medical School, 65 Landsdowne St, Cambridge, 02139, United States
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Baccouche BM, Elde S, Wang H, Woo YJ. Structural, angiogenic, and immune responses influencing myocardial regeneration: a glimpse into the crucible. NPJ Regen Med 2024; 9:18. [PMID: 38688935 PMCID: PMC11061134 DOI: 10.1038/s41536-024-00357-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Accepted: 03/15/2024] [Indexed: 05/02/2024] Open
Abstract
Complete cardiac regeneration remains an elusive therapeutic goal. Although much attention has been focused on cardiomyocyte proliferation, especially in neonatal mammals, recent investigations have unearthed mechanisms by which non-cardiomyocytes, such as endothelial cells, fibroblasts, macrophages, and other immune cells, play critical roles in modulating the regenerative capacity of the injured heart. The degree to which each of these cell types influence cardiac regeneration, however, remains incompletely understood. This review highlights the roles of these non-cardiomyocytes and their respective contributions to cardiac regeneration, with emphasis on natural heart regeneration after cardiac injury during the neonatal period.
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Affiliation(s)
- Basil M Baccouche
- Stanford University Department of Cardiothoracic Surgery, Palo Alto, CA, USA
| | - Stefan Elde
- Stanford University Department of Cardiothoracic Surgery, Palo Alto, CA, USA
| | - Hanjay Wang
- Stanford University Department of Cardiothoracic Surgery, Palo Alto, CA, USA
| | - Y Joseph Woo
- Stanford University Department of Cardiothoracic Surgery, Palo Alto, CA, USA.
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3
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Gao H, Li Z, Gan L, Chen X. The Role and Potential Mechanisms of Rehabilitation Exercise Improving Cardiac Remodeling. J Cardiovasc Transl Res 2024:10.1007/s12265-024-10498-7. [PMID: 38558377 DOI: 10.1007/s12265-024-10498-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 02/08/2024] [Indexed: 04/04/2024]
Abstract
Rehabilitation exercise is a crucial non-pharmacological intervention for the secondary prevention and treatment of cardiovascular diseases, effectively ameliorating cardiac remodeling in patients. Exercise training can mitigate cardiomyocyte apoptosis, reduce extracellular matrix deposition and fibrosis, promote angiogenesis, and regulate inflammatory response to improve cardiac remodeling. This article presents a comprehensive review of recent research progress, summarizing the pivotal role and underlying mechanism of rehabilitation exercise in improving cardiac remodeling and providing valuable insights for devising effective rehabilitation treatment programs. Graphical Abstract.
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Affiliation(s)
- Haizhu Gao
- Colleague of Clinical Medicine, Jining Medical University, Jining, Shandong, China
| | - Zhongxin Li
- Colleague of Clinical Medicine, Jining Medical University, Jining, Shandong, China
| | - Lijun Gan
- Department of Cardiology, Jining Key Laboratory for Diagnosis and Treatment of Cardiovascular Diseases, Affiliated Hospital of Jining Medical University, No.89 Guhuai Road, Jining, 272029, Shandong, China
| | - Xueying Chen
- Department of Cardiology, Jining Key Laboratory for Diagnosis and Treatment of Cardiovascular Diseases, Affiliated Hospital of Jining Medical University, No.89 Guhuai Road, Jining, 272029, Shandong, China.
- Postdoctoral Mobile Station of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China.
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Choobineh S, Borjian Fard M, Soori R, Mazaheri Z. Telocytes response to cardiac growth induced by resistance exercise training and endurance exercise training in adult male rats. J Physiol Sci 2023; 73:12. [PMID: 37301825 DOI: 10.1186/s12576-023-00868-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 04/18/2023] [Indexed: 06/12/2023]
Abstract
Telocytes are interstitial cells found in different tissues, including cardiac stem cell niches. The purpose of this study was to investigate the response of the telocytes to the cardiac growth that occurs in response to resistance and endurance exercise trainings using rats distributed into control, endurance, and resistance training groups. Results revealed that the ratio of heart weight to body weight, cardiomycyte number, cardiomyocyte area, thickness of the left ventricular wall were significantly higher in the training groups compared to the control group. We observed increment in the cardiomyocytes surface area and thickness of the left ventricular wall in the resistance-training group than endurance-training group. We conclude that both resistance and endurance exercise trainings will lead to an increased number of cardiac telocytes, consequently, promote activity of the cardiac stem cells, and results in physiological cardiac growth, and this response does not seem to depend on the type of exercise.
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Affiliation(s)
- Siroos Choobineh
- Department of Exercise Physiology, Faculty of Sport Sciences and Health, University of Tehran, Tehran, Iran
| | - Mahboobeh Borjian Fard
- Department of Exercise Physiology, Faculty of Sport Sciences and Health, University of Tehran, Tehran, Iran.
| | - Rahman Soori
- Department of Exercise Physiology, Faculty of Sport Sciences and Health, University of Tehran, Tehran, Iran
| | - Zohreh Mazaheri
- Basic Medical Science Research Center, Histogenotech Company, Tehran, Iran
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5
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Wang Y, Bai L, Wen J, Zhang F, Gu S, Wang F, Yin J, Wang N. Cardiac-specific renalase overexpression alleviates CKD-induced pathological cardiac remodeling in mice. Front Cardiovasc Med 2022; 9:1061146. [PMID: 36588579 PMCID: PMC9798007 DOI: 10.3389/fcvm.2022.1061146] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 11/30/2022] [Indexed: 12/23/2022] Open
Abstract
Introduction CKD-induced pathological cardiac remodeling is characterized by myocardial hypertrophy and cardiac fibrosis. The available therapeutic options are limited, it is thus urgently needed to identify novel therapeutic targets. Renalase (RNLS) is a newly discovered protein secreted by the kidney and was found beneficial in many renal diseases. But whether it exerts protective effects on cardiac remodeling in CKD remains unclear. Methods RNLS knockout (KO) and wild-type (WT) mice were both used to build CKD models and the adeno-associated virus (AAV9) system was used to overexpress RNLS cardiac specifically. Echocardiography was performed to detect cardiac structural changes every 6 weeks until 18 weeks post-surgery. High throughput sequencing was performed to understand the underlying mechanisms and the effects of RNLS on cardiac fibroblasts were validated in vitro. Results Knockout of RNLS aggravated cardiac remodeling in CKD, while RNLS cardiac-specific overexpression significantly reduced left ventricular hypertrophy and cardiac fibrosis induced by CKD. The following RNA-sequencing analysis revealed that RNLS significantly downregulated the extracellular matrix (ECM) receptor interaction pathway, ECM organization, and several ECM-related proteins. GSEA results showed RNLS significantly downregulated several profibrotic biological processes of cardiac fibroblasts which were upregulated by CKD, including fibroblast proliferation, leukocyte migration, antigen presentation, cytokine production, and epithelial-mesenchymal transition (EMT). In vitro, we validated that RNLS reduced the primary cardiac fibroblast proliferation and α-SMA expression stimulated by TGF-β. Conclusion In this study, we examined the cardioprotective role of RNLS in CKD-induced cardiac remodeling. RNLS may be a potential therapeutic factor that exerts an anti-fibrotic effect in pathological cardiac remodeling.
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Affiliation(s)
- Yi Wang
- Department of Nephrology, Shanghai Sixth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Linnan Bai
- Department of Nephrology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jiejun Wen
- Department of Nephrology, Shanghai Sixth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Fangfei Zhang
- Department of Nephrology, Shanghai Sixth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Sijie Gu
- Department of Nephrology, Shanghai Sixth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Feng Wang
- Department of Nephrology, Shanghai Sixth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jianyong Yin
- Department of Nephrology, Shanghai Sixth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China,*Correspondence: Jianyong Yin,
| | - Niansong Wang
- Department of Nephrology, Shanghai Sixth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China,Niansong Wang,
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Cianci R, Franza L, Borriello R, Pagliari D, Gasbarrini A, Gambassi G. The Role of Gut Microbiota in Heart Failure: When Friends Become Enemies. Biomedicines 2022; 10:2712. [PMID: 36359233 PMCID: PMC9687270 DOI: 10.3390/biomedicines10112712] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 10/20/2022] [Accepted: 10/22/2022] [Indexed: 10/29/2023] Open
Abstract
Heart failure is a complex health issue, with important consequences on the overall wellbeing of patients. It can occur both in acute and chronic forms and, in the latter, the immune system appears to play an important role in the pathogenesis of the disease. In particular, in the forms with preserved ejection fraction or with only mildly reduced ejection fraction, some specific associations with chronic inflammatory diseases have been observed. Another interesting aspect that is worth considering is the role of microbiota modulation, in this context: given the importance of microbiota in the modulation of immune responses, it is possible that changes in its composition may somewhat influence the progression and even the pathogenesis of heart failure. In this narrative review, we aim to examine the relationship between immunity and heart failure, with a special focus on the role of microbiota in this pathological condition.
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Affiliation(s)
- Rossella Cianci
- Department of Translational Medicine and Surgery, Catholic University of Rome, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy
| | - Laura Franza
- Emergency Medicine Unit, Catholic University of Rome, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy
| | - Raffaele Borriello
- Department of Translational Medicine and Surgery, Catholic University of Rome, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy
| | - Danilo Pagliari
- Medical Officer of the Carabinieri Corps, Health Service of the Carabinieri General Headquarters, 00197 Rome, Italy
| | - Antonio Gasbarrini
- Department of Translational Medicine and Surgery, Catholic University of Rome, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy
| | - Giovanni Gambassi
- Department of Translational Medicine and Surgery, Catholic University of Rome, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy
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7
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Salerno N, Salerno L, Marino F, Scalise M, Chiefalo A, Panuccio G, De Angelis A, Cianflone E, Urbanek K, Torella D. Myocardial regeneration protocols towards the routine clinical scenario: An unseemly path from bench to bedside. EClinicalMedicine 2022; 50:101530. [PMID: 35799845 PMCID: PMC9253597 DOI: 10.1016/j.eclinm.2022.101530] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 05/31/2022] [Accepted: 06/06/2022] [Indexed: 12/11/2022] Open
Abstract
UNLABELLED Heart failure secondary to cardiomyocyte loss and/or dysfunction is the number one killer worldwide. The field of myocardial regeneration with its far-reaching primary goal of cardiac remuscularization and its hard-to-accomplish translation from bench to bedside, has been filled with ups and downs, steps forward and steps backward, controversies galore and, unfortunately, scientific scandals. Despite the present morass in which cardiac remuscularization is stuck in, the search for clinically effective regenerative approaches remains keenly active. Starting with a concise overview of the still highly debated regenerative capacity of the adult mammalian heart, we focus on the main interventions, that have reached or are close to clinical use, critically discussing key findings, successes, and failures. Finally, some promising and innovative approaches for myocardial repair/regeneration still at the pre-clinical stage are discussed to offer a holistic view on the future of myocardial repair/regeneration for the prevention/management of heart failure in the clinical scenario. FUNDING This research was funded by Grants from the Ministry of University and Research PRIN2015 2015ZTT5KB_004; PRIN2017NKB2N4_005; PON-AIM - 1829805-2.
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Affiliation(s)
- Nadia Salerno
- Department of Medical and Surgical Sciences, Magna Graecia University, 88100, Catanzaro, Italy
| | - Luca Salerno
- Department of Experimental and Clinical Medicine, Magna Graecia University, 88100, Catanzaro, Italy
| | - Fabiola Marino
- Department of Experimental and Clinical Medicine, Magna Graecia University, 88100, Catanzaro, Italy
| | - Mariangela Scalise
- Department of Experimental and Clinical Medicine, Magna Graecia University, 88100, Catanzaro, Italy
| | - Antonio Chiefalo
- Department of Experimental and Clinical Medicine, Magna Graecia University, 88100, Catanzaro, Italy
| | - Giuseppe Panuccio
- Department of Medical and Surgical Sciences, Magna Graecia University, 88100, Catanzaro, Italy
| | - Antonella De Angelis
- Department of Experimental Medicine, University of Campania “L. Vanvitelli”, 80138 Naples, Italy
| | - Eleonora Cianflone
- Department of Medical and Surgical Sciences, Magna Graecia University, 88100, Catanzaro, Italy
| | - Konrad Urbanek
- Department of Experimental and Clinical Medicine, Magna Graecia University, 88100, Catanzaro, Italy
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples “Federico II”, 80125, Naples, Italy
| | - Daniele Torella
- Department of Experimental and Clinical Medicine, Magna Graecia University, 88100, Catanzaro, Italy
- Corresponding author.
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Li G, Luan C, Dong Y, Xie Y, Zentz SC, Zelt R, Roach J, Liu J, Qian L, Li Y, Yang Y. ExpressHeart: Web Portal to Visualize Transcriptome Profiles of Non-Cardiomyocyte Cells. Int J Mol Sci 2021; 22:8943. [PMID: 34445647 PMCID: PMC8396223 DOI: 10.3390/ijms22168943] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/06/2021] [Accepted: 08/17/2021] [Indexed: 12/03/2022] Open
Abstract
Unveiling the molecular features in the heart is essential for the study of heart diseases. Non-cardiomyocytes (nonCMs) play critical roles in providing structural and mechanical support to the working myocardium. There is an increasing amount of single-cell RNA-sequencing (scRNA-seq) data characterizing the transcriptomic profiles of nonCM cells. However, no tool allows researchers to easily access the information. Thus, in this study, we develop an open-access web portal, ExpressHeart, to visualize scRNA-seq data of nonCMs from five laboratories encompassing three species. ExpressHeart enables comprehensive visualization of major cell types and subtypes in each study; visualizes gene expression in each cell type/subtype in various ways; and facilitates identifying cell-type-specific and species-specific marker genes. ExpressHeart also provides an interface to directly combine information across datasets, for example, generating lists of high confidence DEGs by taking the intersection across different datasets. Moreover, ExpressHeart performs comparisons across datasets. We show that some homolog genes (e.g., Mmp14 in mice and mmp14b in zebrafish) are expressed in different cell types between mice and zebrafish, suggesting different functions across species. We expect ExpressHeart to serve as a valuable portal for investigators, shedding light on the roles of genes on heart development in nonCM cells.
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Affiliation(s)
- Gang Li
- Department of Statistics and Operations Research, University of North Carolina, Chapel Hill, NC 27599, USA;
| | - Changfei Luan
- Department of Biostatistics, University of North Carolina, Chapel Hill, NC 27599, USA; (C.L.); (S.C.Z.)
| | - Yanhan Dong
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599, USA; (Y.D.); (Y.X.); (J.L.); (L.Q.)
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Yifang Xie
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599, USA; (Y.D.); (Y.X.); (J.L.); (L.Q.)
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Scott C. Zentz
- Department of Biostatistics, University of North Carolina, Chapel Hill, NC 27599, USA; (C.L.); (S.C.Z.)
| | - Rob Zelt
- Research Computing, University of North Carolina, Chapel Hill, NC 27599, USA; (R.Z.); (J.R.)
| | - Jeff Roach
- Research Computing, University of North Carolina, Chapel Hill, NC 27599, USA; (R.Z.); (J.R.)
| | - Jiandong Liu
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599, USA; (Y.D.); (Y.X.); (J.L.); (L.Q.)
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Li Qian
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599, USA; (Y.D.); (Y.X.); (J.L.); (L.Q.)
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Yun Li
- Department of Biostatistics, University of North Carolina, Chapel Hill, NC 27599, USA; (C.L.); (S.C.Z.)
- Department of Genetics, University of North Carolina, Chapel Hill, NC 27599, USA
- Department of Computer Science, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Yuchen Yang
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599, USA; (Y.D.); (Y.X.); (J.L.); (L.Q.)
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599, USA
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Role of PI3K/Akt signaling pathway in cardiac fibrosis. Mol Cell Biochem 2021; 476:4045-4059. [PMID: 34244974 DOI: 10.1007/s11010-021-04219-w] [Citation(s) in RCA: 92] [Impact Index Per Article: 30.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 06/29/2021] [Indexed: 12/26/2022]
Abstract
Heart failure (HF) is considered as a severe health problem worldwide, while cardiac fibrosis is one of the main driving factors for the progress of HF. Cardiac fibrosis was characterized by changes in cardiomyocytes, cardiac fibroblasts, ratio of collagen (COL) I/III, and the excessive production and deposition of extracellular matrix (ECM), thus forming a scar tissue, which leads to pathological process of cardiac structural changes and systolic as well as diastolic dysfunction. Cardiac fibrosis is a common pathological change of many advanced cardiovascular diseases including ischemic heart disease, hypertension, and HF. Accumulated studies have proven that phosphoinositol-3 kinase (PI3K)/Akt signaling pathway is involved in regulating the occurrence, progression and pathological formation of cardiac fibrosis via regulating cell survival, apoptosis, growth, cardiac contractility and even the transcription of related genes through a series of molecules including mammalian target of rapamycin (mTOR), glycogen synthase kinase 3 (GSK-3), forkhead box proteins O1/3 (FoxO1/3), and nitric oxide synthase (NOS). Thus, the review focuses on the role of PI3K/Akt signaling pathway in the cardiac fibrosis. The information reviewed here should be significant in understanding the role of PI3K/Akt in cardiac fibrosis and contribute to the design of further studies related to PI3K/Akt and the cardiac fibrotic response, as well as sought to shed light on a potential treatment for cardiac fibrosis.
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10
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Copper Preserves Vasculature Structure and Function by Protecting Endothelial Cells from Apoptosis in Ischemic Myocardium. J Cardiovasc Transl Res 2021; 14:1146-1155. [PMID: 33999373 DOI: 10.1007/s12265-021-10128-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 04/15/2021] [Indexed: 02/08/2023]
Abstract
The present study was undertaken to investigate whether Cu protects vasculatures from ischemic injury in the heart. C57/B6 mice were introduced to myocardial ischemia (MI) by permanent ligation of the left anterior descending (LAD) coronary artery. Two hours post-LAD ligation, mice were intravenously injected with a Cu-albumin (Cu-alb) solution, or saline as control. At 1, 4, or 7 days post-MI, hearts were collected for further analysis. A dramatic decrease in CD31-positive endothelial cells concomitantly with abundant apoptosis, along with obstruction of blood flow, was observed in ischemic myocardium 1 day post-MI. The early Cu-alb treatment protected CD31-positive cells from apoptosis, along with a preservation of micro-vessels and a decrease in infarct size. This early vasculature preservation ensured myocardial blood perfusion and protected cardiac contractile function until 28 days post-MI. This strategy of Cu-alb treatment immediately following MI would help develop a therapeutic approach for acute heart attack patients in a clinical setting.
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11
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Targets identified from exercised heart: killing multiple birds with one stone. NPJ Regen Med 2021; 6:23. [PMID: 33837221 PMCID: PMC8035363 DOI: 10.1038/s41536-021-00128-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 02/26/2021] [Indexed: 02/07/2023] Open
Abstract
Cardiovascular diseases (CVDs) are a major cause of mortality worldwide, which are mainly driven by factors such as aging, sedentary lifestyle, and excess alcohol use. Exercise targets several molecules and protects hearts against many of these physiological and pathological stimuli. Accordingly, it is widely recognized as an effective therapeutic strategy for CVD. To investigate the molecular mechanism of exercise in cardiac protection, we identify and describe several crucial targets identified from exercised hearts. These targets include insulin-like growth factor 1 (IGF1)-phosphatidylinositol 3 phosphate kinase (PI3K)/protein kinase B (AKT), transcription factor CCAAT/enhancer-binding protein β (C/EBPβ), cardiac microRNAs (miRNAs, miR-222 and miR-17-3p etc.), exosomal-miRNAs (miR-342, miR-29, etc.), Sirtuin 1 (SIRT1), and nuclear factor erythroid 2‑related factor/metallothioneins (Nrf2/Mts). Targets identified from exercised hearts can alleviate injury via multiple avenues, including: (1) promoting cardiomyocyte proliferation; (2) facilitating cardiomyocyte growth and physiologic hypertrophy; (3) elevating the anti-apoptotic capacity of cardiomyocytes; (4) improving vascular endothelial function; (5) inhibiting pathological remodeling and fibrosis; (6) promoting extracellular vesicles (EVs) production and exosomal-molecules transfer. Exercise is one treatment (‘stone’), which is cardioprotective via multiple avenues (‘birds’), and is considered ‘killing multiple birds with one stone’ in this review. Further, we discuss the potential application of EV cargos in CVD treatment. We provide an outline of targets identified from the exercised heart and their mechanisms, as well as novel ideas for CVD treatment, which may provide novel direction for preclinical trials in cardiac rehabilitation.
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12
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Song R, Zhang L. Cardiac ECM: Its Epigenetic Regulation and Role in Heart Development and Repair. Int J Mol Sci 2020; 21:ijms21228610. [PMID: 33203135 PMCID: PMC7698074 DOI: 10.3390/ijms21228610] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Revised: 11/07/2020] [Accepted: 11/13/2020] [Indexed: 12/14/2022] Open
Abstract
The extracellular matrix (ECM) is the non-cellular component in the cardiac microenvironment, and serves essential structural and regulatory roles in establishing and maintaining tissue architecture and cellular function. The patterns of molecular and biochemical ECM alterations in developing and adult hearts depend on the underlying injury type. In addition to exploring how the ECM regulates heart structure and function in heart development and repair, this review conducts an inclusive discussion of recent developments in the role, function, and epigenetic guidelines of the ECM. Moreover, it contributes to the development of new therapeutics for cardiovascular disease.
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Affiliation(s)
- Rui Song
- Correspondence: (R.S.); (L.Z.); Tel.: +1-909-558-4325 (R.S. & L.Z.)
| | - Lubo Zhang
- Correspondence: (R.S.); (L.Z.); Tel.: +1-909-558-4325 (R.S. & L.Z.)
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13
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Selviler-Sizer S, Kabak YB, Kabak M. Telocytes in the hearts of Saanen goats. Microsc Res Tech 2020; 84:548-554. [PMID: 33017500 DOI: 10.1002/jemt.23612] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 09/10/2020] [Accepted: 09/19/2020] [Indexed: 12/21/2022]
Abstract
Telocytes, new interstitial cells that have received significant attention in recent years, have been detected in many organs, including the heart. The distinction between telocytes and other interstitial cells can only be made based on their ultrastructural characterization and immunophenotypic features. In this study, we examined the interstitial cells in the healthy heart tissues of Saanen goats to determine whether they are telocytes or not, by using a scanning electron microscope (SEM) and immunohistochemical and immunofluorescence staining methods. The SEM revealed oval and round telocytes with two to four telopodes. Some telopodes also had podoms. The staining for immunohistochemical and immunofluorescence methods used for CD34, c-kit (CD117), and vimentin antibodies. Positive cells were detected in the heart muscle and heart valves by immunohistochemical staining. As these antigens can also be expressed by other non-telocyte cells, we used double immunofluorescence staining with CD34/c-kit and CD34/vimentin antibodies to identify true telocytes. Telocytes were determined in the right atrium and aortic valve. While telocytes were CD34+/c-kit+ and CD34+/vimentin+, fibroblasts were CD34-/vimentin+. These results confirm the presence of telocytes in the hearts of Saanen goats.
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Affiliation(s)
- Sedef Selviler-Sizer
- Department of Anatomy, Faculty of Veterinary Medicine, Ondokuz Mayis University, Samsun, Turkey
| | - Yonca Betil Kabak
- Department of Pathology, Faculty of Veterinary Medicine, Ondokuz Mayis University, Samsun, Turkey
| | - Murat Kabak
- Department of Anatomy, Faculty of Veterinary Medicine, Ondokuz Mayis University, Samsun, Turkey
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14
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Zschüntzsch J, Jouvenal PV, Zhang Y, Klinker F, Tiburcy M, Liebetanz D, Malzahn D, Brinkmeier H, Schmidt J. Long-term human IgG treatment improves heart and muscle function in a mouse model of Duchenne muscular dystrophy. J Cachexia Sarcopenia Muscle 2020; 11:1018-1031. [PMID: 32436338 PMCID: PMC7432639 DOI: 10.1002/jcsm.12569] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 02/10/2020] [Accepted: 02/25/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Duchenne muscular dystrophy (DMD) is a progressive muscle-wasting disease caused by mutations in the dystrophin gene, which leads to structural instability of the dystrophin-glycoprotein-complex with subsequent muscle degeneration. In addition, muscle inflammation has been implicated in disease progression and therapeutically addressed with glucocorticosteroids. These have numerous adverse effects. Treatment with human immunoglobulin G (IgG) improved clinical and para-clinical parameters in the early disease phase in the well-established mdx mouse model. The aim of the present study was to confirm the efficacy of IgG in a long-term pre-clinical study in mdx mice. METHODS IgG (2 g/kg body weight) or NaCl solution as control was administered monthly over 18 months by intraperitoneal injection in mdx mice beginning at 3 weeks of age. Several clinical outcome measures including endurance, muscle strength, and echocardiography were assessed. After 18 months, the animals were sacrificed, blood was collected for analysis, and muscle samples were obtained for ex vivo muscle contraction tests, quantitative PCR, and histology. RESULTS IgG significantly improved the daily voluntary running performance (1.9 m more total daily running distance, P < 0.0001) and slowed the decrease in grip strength by 0.1 mN, (P = 0.018). IgG reduced fatigability of the diaphragm (improved ratio to maximum force by 0.09 ± 0.04, P = 0.044), but specific tetanic force remained unchanged in the ex vivo muscle contraction test. Cardiac function was significantly better after IgG, especially fractional area shortening (P = 0.012). These results were accompanied by a reduction in cardiac fibrosis and the infiltration of T cells (P = 0.0002) and macrophages (P = 0.0027). In addition, treatment with IgG resulted in a significant reduction of the infiltration of T cells (P ≤ 0.036) in the diaphragm, gastrocnemius, quadriceps, and a similar trend in tibialis anterior and macrophages (P ≤ 0.045) in gastrocnemius, quadriceps, tibialis anterior, and a similar trend in the diaphragm, as well as a decrease in myopathic changes as reflected by a reduced central nuclear index in the diaphragm, tibialis anterior, and quadriceps (P ≤ 0.002 in all). CONCLUSIONS The present study underscores the importance of an inflammatory contribution to the disease progression of DMD. The data demonstrate the long-term efficacy of IgG in the mdx mouse. IgG is well tolerated by humans and could preferentially complement gene therapy in DMD. The data call for a clinical trial with IgG in DMD.
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Affiliation(s)
- Jana Zschüntzsch
- Department of Neurology, University Medical Center Göttingen, Göttingen, Germany
| | - Pia Vanessa Jouvenal
- Department of Neurology, University Medical Center Göttingen, Göttingen, Germany
| | - Yaxin Zhang
- Institute of Pathophysiology, University Medicine Greifswald, Karlsburg, Germany
| | - Florian Klinker
- Department of Clinical Neurophysiology, University Medical Center Göttingen, Göttingen, Germany
| | - Malte Tiburcy
- Institute of Pharmacology and Toxicology, University Medical Center Göttingen, Göttingen, Germany.,DZHK (German Center for Cardiovascular Research), Partner Site Göttingen, Göttingen, Germany
| | - David Liebetanz
- Department of Clinical Neurophysiology, University Medical Center Göttingen, Göttingen, Germany
| | - Dörthe Malzahn
- Department of Genetic Epidemiology, University Medical Center Göttingen, Göttingen, Germany.,mzBiostatistics, Statistical Consultancy, Göttingen, Germany
| | - Heinrich Brinkmeier
- Institute of Pathophysiology, University Medicine Greifswald, Karlsburg, Germany
| | - Jens Schmidt
- Department of Neurology, University Medical Center Göttingen, Göttingen, Germany
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15
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Yang D, Liu HQ, Liu FY, Tang N, Guo Z, Ma SQ, An P, Wang MY, Wu HM, Yang Z, Fan D, Tang QZ. The Roles of Noncardiomyocytes in Cardiac Remodeling. Int J Biol Sci 2020; 16:2414-2429. [PMID: 32760209 PMCID: PMC7378633 DOI: 10.7150/ijbs.47180] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Accepted: 06/16/2020] [Indexed: 02/07/2023] Open
Abstract
Cardiac remodeling is a common characteristic of almost all forms of heart disease, including cardiac infarction, valvular diseases, hypertension, arrhythmia, dilated cardiomyopathy and other conditions. It is not merely a simple outcome induced by an increase in the workload of cardiomyocytes (CMs). The remodeling process is accompanied by abnormalities of cardiac structure as well as disturbance of cardiac function, and emerging evidence suggests that a wide range of cells in the heart participate in the initiation and development of cardiac remodeling. Other than CMs, there are numerous noncardiomyocytes (non-CMs) that regulate the process of cardiac remodeling, such as cardiac fibroblasts and immune cells (including macrophages, lymphocytes, neutrophils, and mast cells). In this review, we summarize recent knowledge regarding the definition and significant effects of various non-CMs in the pathogenesis of cardiac remodeling, with a particular emphasis on the involved signaling mechanisms. In addition, we discuss the properties of non-CMs, which serve as targets of many cardiovascular drugs that reduce adverse cardiac remodeling.
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Affiliation(s)
- Dan Yang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, RP China
- Cardiovascular Research Institute of Wuhan University, Wuhan 430060, RP China
- Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan 430060, RP China
| | - Han-Qing Liu
- Department of Thyroid and Breast, Renmin Hospital of Wuhan University, Wuhan 430060, RP China
| | - Fang-Yuan Liu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, RP China
- Cardiovascular Research Institute of Wuhan University, Wuhan 430060, RP China
- Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan 430060, RP China
| | - Nan Tang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, RP China
- Cardiovascular Research Institute of Wuhan University, Wuhan 430060, RP China
- Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan 430060, RP China
| | - Zhen Guo
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, RP China
- Cardiovascular Research Institute of Wuhan University, Wuhan 430060, RP China
- Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan 430060, RP China
| | - Shu-Qing Ma
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, RP China
- Cardiovascular Research Institute of Wuhan University, Wuhan 430060, RP China
- Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan 430060, RP China
| | - Peng An
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, RP China
- Cardiovascular Research Institute of Wuhan University, Wuhan 430060, RP China
- Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan 430060, RP China
| | - Ming-Yu Wang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, RP China
- Cardiovascular Research Institute of Wuhan University, Wuhan 430060, RP China
- Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan 430060, RP China
| | - Hai-Ming Wu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, RP China
- Cardiovascular Research Institute of Wuhan University, Wuhan 430060, RP China
- Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan 430060, RP China
| | - Zheng Yang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, RP China
- Cardiovascular Research Institute of Wuhan University, Wuhan 430060, RP China
- Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan 430060, RP China
| | - Di Fan
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, RP China
- Cardiovascular Research Institute of Wuhan University, Wuhan 430060, RP China
- Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan 430060, RP China
| | - Qi-Zhu Tang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, RP China
- Cardiovascular Research Institute of Wuhan University, Wuhan 430060, RP China
- Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan 430060, RP China
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16
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Xiao Y, Wang T, Song X, Yang D, Chu Q, Kang YJ. Copper promotion of myocardial regeneration. Exp Biol Med (Maywood) 2020; 245:911-921. [PMID: 32148090 DOI: 10.1177/1535370220911604] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
IMPACT STATEMENT Copper promotes angiogenesis, but the mechanistic insights have not been fully elucidated until recently. In addition, the significance of copper promotion of angiogenesis in myocardial regeneration was increasingly revealed. Copper critically participates in the regulation of hypoxia-inducible factor 1 (HIF-1) of angiogenic gene expression. Interestingly, myocardial ischemia causes copper efflux from the heart, leading to suppression of angiogenesis, although HIF-1α, the critical subunit of HIF-1, remains accumulated in the ischemic myocardium. Strategies targeting copper specific delivery to the ischemic myocardium lead to selective activation of HIF-1-regulated angiogenic gene expression. Vascularization of the ischemic myocardium re-establishes the tissue injury microenvironment, and rebuilds the conduit for communication between the tissue injury signals and the remote regenerative responses including stem cells. This process promotes myocardial regeneration. Thus, a simple and effective copper supplementation to the ischemic myocardium would become a novel therapeutic approach to the treatment of patients with ischemic heart diseases.
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Affiliation(s)
- Ying Xiao
- Regenerative Medicine Research Center, Sichuan University West China Hospital, Chengdu, Sichuan 610041, China
| | - Tao Wang
- Regenerative Medicine Research Center, Sichuan University West China Hospital, Chengdu, Sichuan 610041, China
| | - Xin Song
- Regenerative Medicine Research Center, Sichuan University West China Hospital, Chengdu, Sichuan 610041, China
| | - Dan Yang
- Regenerative Medicine Research Center, Sichuan University West China Hospital, Chengdu, Sichuan 610041, China
| | - Qing Chu
- Regenerative Medicine Research Center, Sichuan University West China Hospital, Chengdu, Sichuan 610041, China
| | - Y James Kang
- Regenerative Medicine Research Center, Sichuan University West China Hospital, Chengdu, Sichuan 610041, China
- Memphis Institute of Regenerative Medicine, University of Tennessee Health Science Center, Memphis, TN 38163, USA
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17
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Hu S, Liu H, Hu Z, Li L, Yang Y. Follistatin-like 1: A dual regulator that promotes cardiomyocyte proliferation and fibrosis. J Cell Physiol 2020; 235:5893-5902. [PMID: 32017077 DOI: 10.1002/jcp.29588] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 01/13/2020] [Indexed: 12/14/2022]
Abstract
Follistatin-like 1 (FSTL1) is a key factor in maintaining cardiac growth and development. It can be activated by exercise training and has a dual role in promoting cardiomyocyte proliferation and fibrosis, but its underlying mechanism is not fully understood. To elucidate the dual mechanism and target of FSTL1 regulating of cardiomyocyte proliferation and myocardial fibrosis, and the mechanism by which exercise-regulated FSTL1 improves cardiovascular disease, we explored the signal transduction pathway of FSTL1 promoting cardiomyocyte proliferation and fibrosis, and compared the effects of different modes of exercise on the dual role of FSTL1. We believe that the dual role of promoting cardiomyocyte proliferation and fibrosis may be related to the ratio of cardiomyocyte and myocardial interstitial cell proliferation, different stages of the disease, different degrees of fibrosis, immune repair process, and transforming growth factor-β activation. Compared with long-term excessive endurance exercise, moderate resistance exercise can activate cardiomyocyte proliferation pathway through FSTL1, which is one of the effective ways to prevent cardiovascular disease.
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Affiliation(s)
- Siyuan Hu
- Graduate School, Wuhan Sports University, Wuhan, China.,School of Sports Art, Hunan University of Chinese Medicine, Changsha, China
| | - Hua Liu
- College of Health Science, Wuhan Sports University, Wuhan, China
| | - Zhixi Hu
- Institute of Chinese Medicine Diagnosis, Hunan University of Chinese Medicine, Changsha, China
| | - Lin Li
- Institute of Chinese Medicine Diagnosis, Hunan University of Chinese Medicine, Changsha, China
| | - Yi Yang
- College of Health Science, Wuhan Sports University, Wuhan, China
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18
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Cao L, Massey IY, Feng H, Yang F. A Review of Cardiovascular Toxicity of Microcystins. Toxins (Basel) 2019; 11:toxins11090507. [PMID: 31480273 PMCID: PMC6783932 DOI: 10.3390/toxins11090507] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 08/27/2019] [Accepted: 08/28/2019] [Indexed: 12/30/2022] Open
Abstract
The mortality rate of cardiovascular diseases (CVD) in China is on the rise. The increasing burden of CVD in China has become a major public health problem. Cyanobacterial blooms have been recently considered a global environmental concern. Microcystins (MCs) are the secondary products of cyanobacteria metabolism and the most harmful cyanotoxin found in water bodies. Recent studies provide strong evidence of positive associations between MC exposure and cardiotoxicity, representing a threat to human cardiovascular health. This review focuses on the effects of MCs on the cardiovascular system and provides some evidence that CVD could be induced by MCs. We summarized the current knowledge of the cardiovascular toxicity of MCs, with regard to direct cardiovascular toxicity and indirect cardiovascular toxicity. Toxicity of MCs is mainly governed by the increasing level of reactive oxygen species (ROS), oxidative stress in mitochondria and endoplasmic reticulum, the inhibition activities of serine/threonine protein phosphatase 1 (PP1) and 2A (PP2A) and the destruction of cytoskeletons, which finally induce the occurrence of CVD. To protect human health from the threat of MCs, this paper also puts forward some directions for further research.
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Affiliation(s)
- Linghui Cao
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha 410078, Hunan, China
| | - Isaac Yaw Massey
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha 410078, Hunan, China
| | - Hai Feng
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha 410078, Hunan, China
| | - Fei Yang
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha 410078, Hunan, China.
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19
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Nemes A, Kovács Z, Kormányos Á, Domsik P, Kalapos A, Piros GÁ, Kemény L, Forster T, Szolnoky G. The mitral annulus in lipedema: Insights from the three‐dimensional speckle‐tracking echocardiographic MAGYAR‐Path Study. Echocardiography 2019; 36:1482-1491. [DOI: 10.1111/echo.14429] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2018] [Revised: 06/05/2019] [Accepted: 06/11/2019] [Indexed: 12/31/2022] Open
Affiliation(s)
- Attila Nemes
- 2nd Department of Medicine and Cardiology Centre Albert Szent‐Györgyi Clinical Center, University of Szeged Szeged Hungary
| | - Zsolt Kovács
- Department of Cardiology Szent Rókus Hospital Baja Hungary
| | - Árpád Kormányos
- 2nd Department of Medicine and Cardiology Centre Albert Szent‐Györgyi Clinical Center, University of Szeged Szeged Hungary
| | - Péter Domsik
- 2nd Department of Medicine and Cardiology Centre Albert Szent‐Györgyi Clinical Center, University of Szeged Szeged Hungary
| | - Anita Kalapos
- 2nd Department of Medicine and Cardiology Centre Albert Szent‐Györgyi Clinical Center, University of Szeged Szeged Hungary
| | - Györgyike Á. Piros
- 2nd Department of Medicine and Cardiology Centre Albert Szent‐Györgyi Clinical Center, University of Szeged Szeged Hungary
| | - Lajos Kemény
- Department of Dermatology and Allergology Albert Szent‐Györgyi Clinical Center, University of Szeged Szeged Hungary
| | - Tamás Forster
- 2nd Department of Medicine and Cardiology Centre Albert Szent‐Györgyi Clinical Center, University of Szeged Szeged Hungary
| | - Győző Szolnoky
- Department of Dermatology and Allergology Albert Szent‐Györgyi Clinical Center, University of Szeged Szeged Hungary
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20
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Nemes A, Kormányos Á, Domsik P, Forner-Cordero I, Kemény L, Szolnoky G. Mecánica rotacional ventricular izquierda invertida en un paciente con lipedema (del estudio de MAGYAR-Path). REVISTA COLOMBIANA DE CARDIOLOGÍA 2019. [DOI: 10.1016/j.rccar.2018.05.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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21
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Affiliation(s)
- Mark A Sussman
- Department of Biology & Integrated Regenerative Research Institute, San Diego State University, San Diego, CA 92182, USA
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22
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Iancu CB, Rusu MC, Mogoantă L, Hostiuc S, Grigoriu M. Myocardial Telocyte-Like Cells: A Review Including New Evidence. Cells Tissues Organs 2019; 206:16-25. [PMID: 30879002 DOI: 10.1159/000497194] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Accepted: 01/17/2019] [Indexed: 11/19/2022] Open
Abstract
Telocytes (TCs) are a controversial cell type characterized by the presence of a particular kind of prolongations, known as telopodes, which are long, thin, and moniliform. A number of attempts has been made to establish the molecular phenotype of cardiac TCs (i.e., expression of c-kit, CD34, vimentin, PDGRFα, PDGRFβ, etc.). We designed an immunohistochemical study involving cardiac tissue samples obtained from 10 cadavers with the aim of determining whether there are TC-like interstitial cells that populate the interstitial space other than the mural microvascular cells. We applied the markers for CD31, CD34, PDGRFα, CD117/c-kit, and α-smooth muscle actin (α-SMA). We found that, in relation to two-dimensional cuts, the endothelial tubes could be misidentified as TC-like cells, the difference being the positive identification of endothelial lumina. Moreover, we found that cardiac pericytes express PDGRFα, CD117/c-kit, and α-SMA, and that they could also be misidentified as TCs when using light microscopy. We reviewed the respective values of the previously identified markers for achieving a clear-cut identification of cardiac TCs, highlighting the critical lack of specificity.
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Affiliation(s)
- Cristian B Iancu
- Division of Anatomy, Faculty of Dental Medicine, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Mugurel C Rusu
- Division of Anatomy, Faculty of Dental Medicine, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania,
| | - Laurenţiu Mogoantă
- Department of Histology, University of Medicine and Pharmacy Craiova, Craiova, Romania
| | - Sorin Hostiuc
- Department of Legal Medicine and Bioethics, Faculty of Dental Medicine, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Mihai Grigoriu
- Division of Surgery, University Emergency Hospital Bucharest, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
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23
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NLRP1 promotes TGF-β1-induced myofibroblast differentiation in neonatal rat cardiac fibroblasts. J Mol Histol 2018; 49:509-518. [PMID: 30120609 DOI: 10.1007/s10735-018-9789-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Accepted: 07/27/2018] [Indexed: 12/15/2022]
Abstract
Nuclear localization leucine-rich-repeat protein 1 (NLRP1) is a member of Nod-like receptors (NLRs) family. Recent studies have reported that NLRP1 is involved in various diseases, especially in cardiovascular diseases. However, the effect of NLRP1 on cardiac fibrosis remains unclear. In this study, NLRP1 overexpression and NLRP1 silencing constructs were transfected into neonatal rat cardiac fibroblasts induced by TGF-β1 for 48 h to investigate the effect of NLRP1 in cardiac fibrosis and its molecular mechanisms. Cardiac fibroblasts were transfected with NLRP1 and then cultured in the presence and absence of TGF-β1and Smad3 inhibitor (SIS3). Our data indicated that NLRP1 not only promoted fibroblast activation and myofibroblast differentiation, but also upregulated the mRNA and protein levels of α-SMA in the TGF-β1-treated neonatal rat cardiac fibroblasts. Overexpressing NLRP1 in TGF-β1-induced cardiac fibroblasts upregulated the mRNA and protein levels of Collagen I, Collagen III, and connective tissue growth factor. Moreover, NLRP1 upregulated the protein levels of Smad2, Smad3, and Smad4 in nuclei of fibroblasts, and attenuated levels of phosphorylated Smad2 and Smad3 in the cytoplasm of fibroblasts induced by TGF-β1. In addition, the increase in fibrotic genes and Smad proteins was significantly reduced in the presence of SIS3. Our findings illustrated that NLRP1 promoted myofibroblast differentiation and excessive ECM production in TGF-β1-induced neonatal cardiac fibroblasts through directly targeting TGF-β1/Smad signaling pathways.
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24
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Hostiuc S, Negoi I, Dogaroiu C, Drima E, Iancu CB. Cardiac telocytes. From basic science to cardiac diseases. I. Atrial fibrillation. Ann Anat 2018; 218:83-87. [PMID: 29655845 DOI: 10.1016/j.aanat.2017.12.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Revised: 12/27/2017] [Accepted: 12/31/2017] [Indexed: 12/21/2022]
Abstract
INTRODUCTION Atrial fibrillation (AF) is nowadays considered to be one of the most important causes of heart failure, stroke, cognitive decline, vascular dementia, sudden death and overall cardiovascular morbidity. Recently were published a few articles suggesting a possible involvement of telocytes in the development of atrial fibrillation. The purpose of this article is to analyze the results obtained in the field systematically, and to see if there is enough data to support a possible involvement of telocytes in arrhythmogenesis. MATERIALS AND METHODS To this end, we performed a systematic review of the relevant scientific literature, indexed in PubMed, Web of Science, and Scopus. RESULTS AND DISCUSSIONS Our systematic review of the published data identified five articles containing original data, based on which the association between telocytes and atrial fibrillation was inferred in later studies. We analyzed the usefulness of the information contained in the original articles to support this association, showing a lack of definite proofs correlating telocytes with atrial fibrillation. CONCLUSIONS Even if a few articles implied a potential association between AF and telocytes, the current data is not enough to support it. Moreover, even an association between the morphology, characteristics, or density of the telocytes in the atrium/pulmonary veins and AF is potentially speculative, and more studies should be performed before implying it with a reasonable degree of certainty.
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Affiliation(s)
- Sorin Hostiuc
- Carol Davila University of Medicine and Pharmacy, Bucharest, Romania.
| | - Ionuț Negoi
- Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Catalin Dogaroiu
- Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Eduard Drima
- University of Medicine and Pharmacy, Galaţi, Romania
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