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Habecker BA, Bers DM, Birren SJ, Chang R, Herring N, Kay MW, Li D, Mendelowitz D, Mongillo M, Montgomery JM, Ripplinger CM, Tampakakis E, Winbo A, Zaglia T, Zeltner N, Paterson DJ. Molecular and cellular neurocardiology in heart disease. J Physiol 2024. [PMID: 38778747 DOI: 10.1113/jp284739] [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: 02/23/2024] [Accepted: 04/16/2024] [Indexed: 05/25/2024] Open
Abstract
This paper updates and builds on a previous White Paper in this journal that some of us contributed to concerning the molecular and cellular basis of cardiac neurobiology of heart disease. Here we focus on recent findings that underpin cardiac autonomic development, novel intracellular pathways and neuroplasticity. Throughout we highlight unanswered questions and areas of controversy. Whilst some neurochemical pathways are already demonstrating prognostic viability in patients with heart failure, we also discuss the opportunity to better understand sympathetic impairment by using patient specific stem cells that provides pathophysiological contextualization to study 'disease in a dish'. Novel imaging techniques and spatial transcriptomics are also facilitating a road map for target discovery of molecular pathways that may form a therapeutic opportunity to treat cardiac dysautonomia.
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Affiliation(s)
- Beth A Habecker
- Department of Chemical Physiology & Biochemistry, Department of Medicine Knight Cardiovascular Institute, Oregon Health and Science University, Portland, OR, USA
| | - Donald M Bers
- Department of Pharmacology, University of California, Davis School of Medicine, Davis, CA, USA
| | - Susan J Birren
- Department of Biology, Volen Center for Complex Systems, Brandeis University, Waltham, MA, USA
| | - Rui Chang
- Department of Neuroscience, Department of Cellular and Molecular Physiology, Yale University School of Medicine, New Haven, CT, USA
| | - Neil Herring
- Burdon Sanderson Cardiac Science Centre and BHF Centre of Research Excellence, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, UK
| | - Matthew W Kay
- Department of Biomedical Engineering, George Washington University, Washington, DC, USA
| | - Dan Li
- Burdon Sanderson Cardiac Science Centre and BHF Centre of Research Excellence, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, UK
| | - David Mendelowitz
- Department of Pharmacology and Physiology, George Washington University, Washington, DC, USA
| | - Marco Mongillo
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Johanna M Montgomery
- Department of Physiology and Manaaki Manawa Centre for Heart Research, University of Auckland, Auckland, New Zealand
| | - Crystal M Ripplinger
- Department of Pharmacology, University of California, Davis School of Medicine, Davis, CA, USA
| | | | - Annika Winbo
- Department of Physiology and Manaaki Manawa Centre for Heart Research, University of Auckland, Auckland, New Zealand
| | - Tania Zaglia
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Nadja Zeltner
- Departments of Biochemistry and Molecular Biology, Cell Biology, and Center for Molecular Medicine, University of Georgia, Athens, GA, USA
| | - David J Paterson
- Burdon Sanderson Cardiac Science Centre and BHF Centre of Research Excellence, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, UK
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Eliezeck M, Guedes Jesus IC, Scalzo SA, Sanches BDL, Silva KSC, Costa M, Mesquita T, Rocha-Resende C, Szawka RE, Guatimosim S. β-Adrenergic signaling drives structural and functional maturation of mouse cardiomyocytes. Am J Physiol Cell Physiol 2024; 326:C1334-C1344. [PMID: 38557356 DOI: 10.1152/ajpcell.00426.2023] [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: 09/05/2023] [Revised: 02/28/2024] [Accepted: 03/14/2024] [Indexed: 04/04/2024]
Abstract
Cardiac maturation represents the last phase of heart development and is characterized by morphofunctional alterations that optimize the heart for efficient pumping. Its understanding provides important insights into cardiac regeneration therapies. Recent evidence implies that adrenergic signals are involved in the regulation of cardiac maturation, but the mechanistic underpinnings involved in this process are poorly understood. Herein, we explored the role of β-adrenergic receptor (β-AR) activation in determining structural and functional components of cardiomyocyte maturation. Temporal characterization of tyrosine hydroxylase and norepinephrine levels in the mouse heart revealed that sympathetic innervation develops during the first 3 wk of life, concurrent with the rise in β-AR expression. To assess the impact of adrenergic inhibition on maturation, we treated mice with propranolol, isolated cardiomyocytes, and evaluated morphofunctional parameters. Propranolol treatment reduced heart weight, cardiomyocyte size, and cellular shortening, while it increased the pool of mononucleated myocytes, resulting in impaired maturation. No changes in t-tubules were observed in cells from propranolol mice. To establish a causal link between β-AR signaling and cardiomyocyte maturation, mice were subjected to sympathectomy, followed or not by restoration with isoproterenol treatment. Cardiomyocytes from sympathectomyzed mice recapitulated the salient immaturity features of propranolol-treated mice, with the additional loss of t-tubules. Isoproterenol rescued the maturation deficits induced by sympathectomy, except for the t-tubule alterations. Our study identifies the β-AR stimuli as a maturation promoting signal and implies that this pathway can be modulated to improve cardiac regeneration therapies.NEW & NOTEWORTHY Maturation involves a series of morphofunctional alterations vital to heart development. Its regulatory mechanisms are only now being unveiled. Evidence implies that adrenergic signaling regulates cardiac maturation, but the mechanisms are poorly understood. To address this point, we blocked β-ARs or performed sympathectomy followed by rescue experiments with isoproterenol in neonatal mice. Our study identifies the β-AR stimuli as a maturation signal for cardiomyocytes and highlights the importance of this pathway in cardiac regeneration therapies.
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Affiliation(s)
- Marcos Eliezeck
- Department of Physiology and Biophysics, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Itamar Couto Guedes Jesus
- Department of Physiology and Biophysics, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Sérgio A Scalzo
- Department of Physiology and Biophysics, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Bruno de Lima Sanches
- Department of Physiology and Biophysics, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Kaoma Stephani Costa Silva
- Department of Physiology and Biophysics, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Mateus Costa
- Department of Physiology and Biophysics, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Thássio Mesquita
- Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles, California, United States
| | - Cibele Rocha-Resende
- Department of Physiology and Biophysics, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Raphael E Szawka
- Department of Physiology and Biophysics, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Silvia Guatimosim
- Department of Physiology and Biophysics, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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Zeltner N, Wu HF, Saito-Diaz K, Sun X, Song M, Saini T, Grant C, James C, Thomas K, Abate Y, Howerth E, Kner P, Xu B. A modular platform to generate functional sympathetic neuron-innervated heart assembloids. RESEARCH SQUARE 2024:rs.3.rs-3894397. [PMID: 38562819 PMCID: PMC10984094 DOI: 10.21203/rs.3.rs-3894397/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
The technology of human pluripotent stem cell (hPSC)-based 3D organoid/assembloid cultures has become a powerful tool for the study of human embryonic development, disease modeling and drug discovery in recent years. The autonomic sympathetic nervous system innervates and regulates almost all organs in the body, including the heart. Yet, most reported organoids to date are not innervated, thus lacking proper neural regulation, and hindering reciprocal tissue maturation. Here, we developed a simple and versatile sympathetic neuron (symN)-innervated cardiac assembloid without the need for bioengineering. Our human sympathetic cardiac assembloids (hSCAs) showed mature muscle structures, atrial to ventricular patterning, and spontaneous beating. hSCA-innervating symNs displayed neurotransmitter synthesis and functional regulation of the cardiac beating rate, which could be manipulated pharmacologically or optogenetically. We modeled symN-mediated cardiac development and myocardial infarction. This hSCAs provides a tool for future neurocardiotoxicity screening approaches and is highly versatile and modular, where the types of neuron (symN or parasympathetic or sensory neuron) and organoid (heart, lung, kidney) to be innervated may be interchanged.
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Zhao HP, Ma Y, Zhang XJ, Guo HX, Yang B, Chi RF, Zhang NP, Wang JP, Li B, Qin FZ, Yang LG. NADPH oxidase 2 inhibitor GSK2795039 prevents doxorubicin-induced cardiac atrophy by attenuating cardiac sympathetic nerve terminal abnormalities and myocyte autophagy. Eur J Pharmacol 2024; 967:176351. [PMID: 38290568 DOI: 10.1016/j.ejphar.2024.176351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 12/19/2023] [Accepted: 01/22/2024] [Indexed: 02/01/2024]
Abstract
Doxorubicin is widely used for the treatment of human cancer, but its clinical use is limited by a cumulative dose-dependent cardiotoxicity. However, the mechanism of doxorubicin-induced cardiac atrophy and failure remains to be fully understood. In this study, we tested whether the specific NADPH oxidase 2 (Nox2) inhibitor GSK2795039 attenuates cardiac sympathetic nerve terminal abnormalities and myocyte autophagy, leading to the amelioration of cardiac atrophy and dysfunction in chronic doxorubicin-induced cardiomyopathy. Mice were randomized to receive saline, doxorubicin (2.5 mg/kg, every other day, 6 times) or doxorubicin plus GSK2795039 (2.5 mg/kg, twice a day, 9 weeks). Left ventricular (LV) total wall thickness and LV ejection fraction were decreased in doxorubicin-treated mice compared with saline-treated mice and the decreases were prevented by the treatment of the specific Nox2 inhibitor GSK2795039. The ratio of total heart weight to tibia length and myocyte cross-sectional area were decreased in doxorubicin-treated mice, and the decreases were attenuated by the GSK2795039 treatment. In doxorubicin-treated mice, myocardial Nox2 and 4-hydroxynonenal levels were increased, myocardial expression of GAP43, tyrosine hydroxylase and norepinephrine transporter, markers of sympathetic nerve terminals, was decreased, and these changes were prevented by the GSK2795039 treatment. The ratio of LC3 II/I, a marker of autophagy, and Atg5, Atg12 and Atg12-Atg5 conjugate proteins were increased in doxorubicin-treated mice, and the increases were attenuated by the GSK2795039 treatment. These findings suggest that inhibition of Nox2 by GSK2795039 attenuates cardiac sympathetic nerve terminal abnormalities and myocyte autophagy, thereby ameliorating cardiac atrophy and dysfunction after chronic doxorubicin treatment.
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Affiliation(s)
- Hui-Ping Zhao
- The Second Hospital of Shanxi Medical University, Taiyuan, 030001, Shanxi, PR China; Shanxi Medical University, Taiyuan, 030001, Shanxi, PR China
| | - Yuan Ma
- The Second Hospital of Shanxi Medical University, Taiyuan, 030001, Shanxi, PR China; Shanxi Medical University, Taiyuan, 030001, Shanxi, PR China
| | - Xiao-Juan Zhang
- The Second Hospital of Shanxi Medical University, Taiyuan, 030001, Shanxi, PR China; Shanxi Medical University, Taiyuan, 030001, Shanxi, PR China
| | - Hong-Xia Guo
- The Second Hospital of Shanxi Medical University, Taiyuan, 030001, Shanxi, PR China; Shanxi Medical University, Taiyuan, 030001, Shanxi, PR China
| | - Bin Yang
- The Second Hospital of Shanxi Medical University, Taiyuan, 030001, Shanxi, PR China; Shanxi Medical University, Taiyuan, 030001, Shanxi, PR China
| | - Rui-Fang Chi
- The Second Hospital of Shanxi Medical University, Taiyuan, 030001, Shanxi, PR China; Shanxi Medical University, Taiyuan, 030001, Shanxi, PR China
| | - Nian-Ping Zhang
- Shanxi Datong University School of Medicine, Datong, 037009, Shanxi, PR China
| | - Jia-Pu Wang
- The Second Hospital of Shanxi Medical University, Taiyuan, 030001, Shanxi, PR China; Shanxi Medical University, Taiyuan, 030001, Shanxi, PR China
| | - Bao Li
- The Second Hospital of Shanxi Medical University, Taiyuan, 030001, Shanxi, PR China; Shanxi Medical University, Taiyuan, 030001, Shanxi, PR China
| | - Fu-Zhong Qin
- The Second Hospital of Shanxi Medical University, Taiyuan, 030001, Shanxi, PR China; Shanxi Medical University, Taiyuan, 030001, Shanxi, PR China.
| | - Li-Guo Yang
- The Second Hospital of Shanxi Medical University, Taiyuan, 030001, Shanxi, PR China; Shanxi Medical University, Taiyuan, 030001, Shanxi, PR China; Shanxi Provincial People's Hospital, Taiyuan, 030001, Shanxi, PR China
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Kolesova H, Hrabalova P, Bohuslavova R, Abaffy P, Fabriciova V, Sedmera D, Pavlinkova G. Reprogramming of the developing heart by Hif1a-deficient sympathetic system and maternal diabetes exposure. Front Endocrinol (Lausanne) 2024; 15:1344074. [PMID: 38505753 PMCID: PMC10948485 DOI: 10.3389/fendo.2024.1344074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 02/14/2024] [Indexed: 03/21/2024] Open
Abstract
Introduction Maternal diabetes is a recognized risk factor for both short-term and long-term complications in offspring. Beyond the direct teratogenicity of maternal diabetes, the intrauterine environment can influence the offspring's cardiovascular health. Abnormalities in the cardiac sympathetic system are implicated in conditions such as sudden infant death syndrome, cardiac arrhythmic death, heart failure, and certain congenital heart defects in children from diabetic pregnancies. However, the mechanisms by which maternal diabetes affects the development of the cardiac sympathetic system and, consequently, heightens health risks and predisposes to cardiovascular disease remain poorly understood. Methods and results In the mouse model, we performed a comprehensive analysis of the combined impact of a Hif1a-deficient sympathetic system and the maternal diabetes environment on both heart development and the formation of the cardiac sympathetic system. The synergic negative effect of exposure to maternal diabetes and Hif1a deficiency resulted in the most pronounced deficit in cardiac sympathetic innervation and the development of the adrenal medulla. Abnormalities in the cardiac sympathetic system were accompanied by a smaller heart, reduced ventricular wall thickness, and dilated subepicardial veins and coronary arteries in the myocardium, along with anomalies in the branching and connections of the main coronary arteries. Transcriptional profiling by RNA sequencing (RNA-seq) revealed significant transcriptome changes in Hif1a-deficient sympathetic neurons, primarily associated with cell cycle regulation, proliferation, and mitosis, explaining the shrinkage of the sympathetic neuron population. Discussion Our data demonstrate that a failure to adequately activate the HIF-1α regulatory pathway, particularly in the context of maternal diabetes, may contribute to abnormalities in the cardiac sympathetic system. In conclusion, our findings indicate that the interplay between deficiencies in the cardiac sympathetic system and subtle structural alternations in the vasculature, microvasculature, and myocardium during heart development not only increases the risk of cardiovascular disease but also diminishes the adaptability to the stress associated with the transition to extrauterine life, thus increasing the risk of neonatal death.
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Affiliation(s)
- Hana Kolesova
- Institute of Anatomy, First Faculty of Medicine, Charles University, Prague, Czechia
- Department of Developmental Cardiology, Institute of Physiology Czech Academy of Sciences (CAS), Prague, Czechia
| | - Petra Hrabalova
- Laboratory of Molecular Pathogenetics, Institute of Biotechnology Czech Academy of Sciences (CAS), BIOCEV, Vestec, Czechia
- Faculty of Science, Charles University, Prague, Czechia
| | - Romana Bohuslavova
- Laboratory of Molecular Pathogenetics, Institute of Biotechnology Czech Academy of Sciences (CAS), BIOCEV, Vestec, Czechia
| | - Pavel Abaffy
- Laboratory of Gene Expression, Institute of Biotechnology Czech Academy of Sciences (CAS), BIOCEV, Vestec, Czechia
| | - Valeria Fabriciova
- Laboratory of Molecular Pathogenetics, Institute of Biotechnology Czech Academy of Sciences (CAS), BIOCEV, Vestec, Czechia
| | - David Sedmera
- Institute of Anatomy, First Faculty of Medicine, Charles University, Prague, Czechia
- Department of Developmental Cardiology, Institute of Physiology Czech Academy of Sciences (CAS), Prague, Czechia
| | - Gabriela Pavlinkova
- Laboratory of Molecular Pathogenetics, Institute of Biotechnology Czech Academy of Sciences (CAS), BIOCEV, Vestec, Czechia
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Noble A, Qubrosi R, Cariba S, Favaro K, Payne SL. Neural dependency in wound healing and regeneration. Dev Dyn 2024; 253:181-203. [PMID: 37638700 DOI: 10.1002/dvdy.650] [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: 02/13/2023] [Revised: 07/31/2023] [Accepted: 08/02/2023] [Indexed: 08/29/2023] Open
Abstract
In response to injury, humans and many other mammals form a fibrous scar that lacks the structure and function of the original tissue, whereas other vertebrate species can spontaneously regenerate damaged tissues and structures. Peripheral nerves have been identified as essential mediators of wound healing and regeneration in both mammalian and nonmammalian systems, interacting with the milieu of cells and biochemical signals present in the post-injury microenvironment. This review examines the diverse functions of peripheral nerves in tissue repair and regeneration, specifically during the processes of wound healing, blastema formation, and organ repair. We compare available evidence in mammalian and nonmammalian models, identifying critical nerve-mediated mechanisms for regeneration and providing future perspectives toward integrating these mechanisms into a therapeutic framework to promote regeneration.
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Affiliation(s)
- Alexandra Noble
- Department of Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Rozana Qubrosi
- Department of Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Solsa Cariba
- Department of Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Kayla Favaro
- Department of Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Samantha L Payne
- Department of Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
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Mazzaro A, Vita V, Ronfini M, Casola I, Klein A, Dobrowolny G, Sorarù G, Musarò A, Mongillo M, Zaglia T. Sympathetic neuropathology is revealed in muscles affected by amyotrophic lateral sclerosis. Front Physiol 2023; 14:1165811. [PMID: 37250128 PMCID: PMC10213213 DOI: 10.3389/fphys.2023.1165811] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 04/14/2023] [Indexed: 05/31/2023] Open
Abstract
Rationale: The anatomical substrate of skeletal muscle autonomic innervation has remained underappreciated since it was described many decades ago. As such, the structural and functional features of muscle sympathetic innervation are largely undetermined in both physiology and pathology, mainly due to methodological limitations in the histopathological analysis of small neuronal fibers in tissue samples. Amyotrophic lateral sclerosis (ALS) is a fatal neuromuscular disease which mainly targets motor neurons, and despite autonomic symptoms occurring in a significant fraction of patients, peripheral sympathetic neurons (SNs) are generally considered unaffected and, as such, poorly studied. Purpose: In this research, we compared sympathetic innervation of normal and ALS muscles, through structural analysis of the sympathetic network in human and murine tissue samples. Methods and Results: We first refined tissue processing to circumvent methodological limitations interfering with the detection of muscle sympathetic innervation. The optimized "Neuro Detection Protocol" (NDP) was validated in human muscle biopsies, demonstrating that SNs innervate, at high density, both blood vessels and skeletal myofibers, independent of the fiber metabolic type. Subsequently, NDP was exploited to analyze sympathetic innervation in muscles of SOD1G93A mice, a preclinical ALS model. Our data show that ALS murine muscles display SN denervation, which has already initiated at the early disease stage and worsened during aging. SN degeneration was also observed in muscles of MLC/SOD1G93A mice, with muscle specific expression of the SOD1G93A mutant gene. Notably, similar alterations in SNs were observed in muscle biopsies from an ALS patient, carrying the SOD1G93A mutation. Conclusion: We set up a protocol for the analysis of murine and, more importantly, human muscle sympathetic innervation. Our results indicate that SNs are additional cell types compromised in ALS and suggest that dysfunctional SOD1G93A muscles affect their sympathetic innervation.
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Affiliation(s)
- Antonio Mazzaro
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua, Padua, Italy
- Veneto Institute of Molecular Medicine, Padua, Italy
| | - Veronica Vita
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua, Padua, Italy
- Veneto Institute of Molecular Medicine, Padua, Italy
| | - Marco Ronfini
- Veneto Institute of Molecular Medicine, Padua, Italy
- Department of Biomedical Sciences, University of Padua, Padua, Italy
| | - Irene Casola
- Laboratory Affiliated to Institute Pasteur Italia-Fondazione Cenci Bolognetti, DAHFMO-Unit of Histology and Medical Embryology, Sapienza University of Rome, Rome, Italy
| | - Arianna Klein
- Veneto Institute of Molecular Medicine, Padua, Italy
| | - Gabriella Dobrowolny
- Laboratory Affiliated to Institute Pasteur Italia-Fondazione Cenci Bolognetti, DAHFMO-Unit of Histology and Medical Embryology, Sapienza University of Rome, Rome, Italy
| | - Gianni Sorarù
- Department of Neuroscience, Azienda Ospedaliera di Padova, Padua, Italy
| | - Antonio Musarò
- Laboratory Affiliated to Institute Pasteur Italia-Fondazione Cenci Bolognetti, DAHFMO-Unit of Histology and Medical Embryology, Sapienza University of Rome, Rome, Italy
- Scuola Superiore di Studi Avanzati Sapienza (SSAS), Sapienza University of Rome, Rome, Italy
| | - Marco Mongillo
- Veneto Institute of Molecular Medicine, Padua, Italy
- Department of Biomedical Sciences, University of Padua, Padua, Italy
- CNR Institute of Neuroscience, Padua, Italy
- CIR-MYO Myology Center, University of Padua, Padua, Italy
| | - Tania Zaglia
- Veneto Institute of Molecular Medicine, Padua, Italy
- Department of Biomedical Sciences, University of Padua, Padua, Italy
- CIR-MYO Myology Center, University of Padua, Padua, Italy
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Belanger K, Koppes AN, Koppes RA. Impact of Non-Muscle Cells on Excitation-Contraction Coupling in the Heart and the Importance of In Vitro Models. Adv Biol (Weinh) 2023; 7:e2200117. [PMID: 36216583 DOI: 10.1002/adbi.202200117] [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: 04/20/2022] [Revised: 08/07/2022] [Indexed: 05/13/2023]
Abstract
Excitation-coupling (ECC) is paramount for coordinated contraction to maintain sufficient cardiac output. The study of ECC regulation has primarily been limited to cardiomyocytes (CMs), which conduct voltage waves via calcium fluxes from one cell to another, eliciting contraction of the atria followed by the ventricles. CMs rapidly transmit ionic flux via gap junction proteins, predominantly connexin 43. While the expression of connexin isoforms has been identified in each of the individual cell populations comprising the heart, the formation of gap junctions with nonmuscle cells (i.e., macrophages and Schwann cells) has gained new attention. Evaluating nonmuscle contributions to ECC in vivo or in situ remains difficult and necessitates the development of simple, yet biomimetic in vitro models to better understand and prevent physiological dysfunction. Standard 2D cell culture often consists of homogenous cell populations and lacks the dynamic mechanical environment of native tissue, confounding the phenotypic and proteomic makeup of these highly mechanosensitive cell populations in prolonged culture conditions. This review will highlight the recent developments and the importance of new microphysiological systems to better understand the complex regulation of ECC in cardiac tissue.
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Affiliation(s)
- Kirstie Belanger
- Department of Bioengineering, Northeastern University, 360 Huntington Ave, Boston, MA, 02115, USA
| | - Abigail N Koppes
- Department of Bioengineering, Northeastern University, 360 Huntington Ave, Boston, MA, 02115, USA
- Department of Chemical Engineering, Northeastern University, 360 Huntington Ave, Boston, MA, 02115, USA
- Department of Biology, Northeastern University, 360 Huntington Ave, Boston, MA, 02115, USA
| | - Ryan A Koppes
- Department of Chemical Engineering, Northeastern University, 360 Huntington Ave, Boston, MA, 02115, USA
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9
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Hrabalova P, Bohuslavova R, Matejkova K, Papousek F, Sedmera D, Abaffy P, Kolar F, Pavlinkova G. Dysregulation of hypoxia-inducible factor 1α in the sympathetic nervous system accelerates diabetic cardiomyopathy. Cardiovasc Diabetol 2023; 22:88. [PMID: 37072781 PMCID: PMC10114478 DOI: 10.1186/s12933-023-01824-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Accepted: 04/03/2023] [Indexed: 04/20/2023] Open
Abstract
BACKGROUND An altered sympathetic nervous system is implicated in many cardiac pathologies, ranging from sudden infant death syndrome to common diseases of adulthood such as hypertension, myocardial ischemia, cardiac arrhythmias, myocardial infarction, and heart failure. Although the mechanisms responsible for disruption of this well-organized system are the subject of intensive investigations, the exact processes controlling the cardiac sympathetic nervous system are still not fully understood. A conditional knockout of the Hif1a gene was reported to affect the development of sympathetic ganglia and sympathetic innervation of the heart. This study characterized how the combination of HIF-1α deficiency and streptozotocin (STZ)-induced diabetes affects the cardiac sympathetic nervous system and heart function of adult animals. METHODS Molecular characteristics of Hif1a deficient sympathetic neurons were identified by RNA sequencing. Diabetes was induced in Hif1a knockout and control mice by low doses of STZ treatment. Heart function was assessed by echocardiography. Mechanisms involved in adverse structural remodeling of the myocardium, i.e. advanced glycation end products, fibrosis, cell death, and inflammation, was assessed by immunohistological analyses. RESULTS We demonstrated that the deletion of Hif1a alters the transcriptome of sympathetic neurons, and that diabetic mice with the Hif1a-deficient sympathetic system have significant systolic dysfunction, worsened cardiac sympathetic innervation, and structural remodeling of the myocardium. CONCLUSIONS We provide evidence that the combination of diabetes and the Hif1a deficient sympathetic nervous system results in compromised cardiac performance and accelerated adverse myocardial remodeling, associated with the progression of diabetic cardiomyopathy.
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Affiliation(s)
- Petra Hrabalova
- Laboratory of Molecular Pathogenetics, Institute of Biotechnology CAS, BIOCEV, Vestec, Czechia
- Charles University, Prague, Czechia
| | - Romana Bohuslavova
- Laboratory of Molecular Pathogenetics, Institute of Biotechnology CAS, BIOCEV, Vestec, Czechia
| | - Katerina Matejkova
- Laboratory of Molecular Pathogenetics, Institute of Biotechnology CAS, BIOCEV, Vestec, Czechia
| | | | - David Sedmera
- Institute of Physiology CAS, Prague, Czechia
- Institute of Anatomy, Charles University, Prague, Czechia
| | - Pavel Abaffy
- Laboratory of Gene Expression, Institute of Biotechnology CAS, BIOCEV, Vestec, Czechia
| | | | - Gabriela Pavlinkova
- Laboratory of Molecular Pathogenetics, Institute of Biotechnology CAS, BIOCEV, Vestec, Czechia.
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10
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Winkler F, Venkatesh HS, Amit M, Batchelor T, Demir IE, Deneen B, Gutmann DH, Hervey-Jumper S, Kuner T, Mabbott D, Platten M, Rolls A, Sloan EK, Wang TC, Wick W, Venkataramani V, Monje M. Cancer neuroscience: State of the field, emerging directions. Cell 2023; 186:1689-1707. [PMID: 37059069 PMCID: PMC10107403 DOI: 10.1016/j.cell.2023.02.002] [Citation(s) in RCA: 76] [Impact Index Per Article: 76.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 02/01/2023] [Accepted: 02/01/2023] [Indexed: 04/16/2023]
Abstract
The nervous system governs both ontogeny and oncology. Regulating organogenesis during development, maintaining homeostasis, and promoting plasticity throughout life, the nervous system plays parallel roles in the regulation of cancers. Foundational discoveries have elucidated direct paracrine and electrochemical communication between neurons and cancer cells, as well as indirect interactions through neural effects on the immune system and stromal cells in the tumor microenvironment in a wide range of malignancies. Nervous system-cancer interactions can regulate oncogenesis, growth, invasion and metastatic spread, treatment resistance, stimulation of tumor-promoting inflammation, and impairment of anti-cancer immunity. Progress in cancer neuroscience may create an important new pillar of cancer therapy.
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Affiliation(s)
- Frank Winkler
- Neurology Clinic and National Center for Tumor Diseases, University Hospital Heidelberg and Clinical Cooperation Unit Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany.
| | - Humsa S Venkatesh
- Department of Neurology, Brigham and Women's Hospital, Boston, MA, USA
| | - Moran Amit
- Department of Head and Neck Surgery, MD Anderson Cancer Center and The University of Texas Graduate School of Biomedical Sciences, Houston, TX, USA
| | - Tracy Batchelor
- Department of Neurology, Brigham and Women's Hospital, Boston, MA, USA
| | - Ihsan Ekin Demir
- Department of Surgery, Technical University of Munich, Munich, Germany
| | - Benjamin Deneen
- Center for Stem Cells and Regenerative Medicine, Baylor College of Medicine, Houston, TX, USA
| | - David H Gutmann
- Department of Neurology, Washington University, St Louis, MO, USA
| | - Shawn Hervey-Jumper
- Department of Neurosurgery, University of California, San Francisco, San Francisco, CA, USA
| | - Thomas Kuner
- Department of Functional Neuroanatomy, University of Heidelberg, Heidelberg, Germany
| | - Donald Mabbott
- Department of Psychology, University of Toronto and Neuroscience & Mental Health Program, Research Institute, The Hospital for Sick Children, Toronto, Canada
| | - Michael Platten
- Department of Neurology, Medical Faculty Mannheim, University of Heidelberg, Heidelberg, Germany
| | - Asya Rolls
- Department of Immunology, Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa, Israel
| | - Erica K Sloan
- Monash Institute of Pharmaceutical Sciences, Drug Discovery Biology Theme, Monash University, Parkville, VIC, Australia
| | - Timothy C Wang
- Department of Medicine, Division of Digestive and Gastrointestinal Diseases, Columbia University, New York, NY, USA
| | - Wolfgang Wick
- Neurology Clinic and National Center for Tumor Diseases, University Hospital Heidelberg and Clinical Cooperation Unit Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Varun Venkataramani
- Neurology Clinic and National Center for Tumor Diseases, University Hospital Heidelberg and Clinical Cooperation Unit Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany; Department of Functional Neuroanatomy, University of Heidelberg, Heidelberg, Germany.
| | - Michelle Monje
- Department of Neurology and Neurological Sciences, Stanford University, Stanford, CA, USA; Howard Hughes Medical Institute, Stanford University, Stanford, CA, USA.
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11
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Mehdipour M, Park S, Huang GN. Unlocking cardiomyocyte renewal potential for myocardial regeneration therapy. J Mol Cell Cardiol 2023; 177:9-20. [PMID: 36801396 PMCID: PMC10699255 DOI: 10.1016/j.yjmcc.2023.02.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 01/28/2023] [Accepted: 02/14/2023] [Indexed: 02/19/2023]
Abstract
Cardiovascular disease remains the leading cause of mortality worldwide. Cardiomyocytes are irreversibly lost due to cardiac ischemia secondary to disease. This leads to increased cardiac fibrosis, poor contractility, cardiac hypertrophy, and subsequent life-threatening heart failure. Adult mammalian hearts exhibit notoriously low regenerative potential, further compounding the calamities described above. Neonatal mammalian hearts, on the other hand, display robust regenerative capacities. Lower vertebrates such as zebrafish and salamanders retain the ability to replenish lost cardiomyocytes throughout life. It is critical to understand the varying mechanisms that are responsible for these differences in cardiac regeneration across phylogeny and ontogeny. Adult mammalian cardiomyocyte cell cycle arrest and polyploidization have been proposed as major barriers to heart regeneration. Here we review current models about why adult mammalian cardiac regenerative potential is lost including changes in environmental oxygen levels, acquisition of endothermy, complex immune system development, and possible cancer risk tradeoffs. We also discuss recent progress and highlight conflicting reports pertaining to extrinsic and intrinsic signaling pathways that control cardiomyocyte proliferation and polyploidization in growth and regeneration. Uncovering the physiological brakes of cardiac regeneration could illuminate novel molecular targets and offer promising therapeutic strategies to treat heart failure.
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Affiliation(s)
- Melod Mehdipour
- Cardiovascular Research Institute and Department of Physiology, University of California, San Francisco, San Francisco, CA 94158, USA; Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA 94158, USA; Bakar Aging Research Institute, University of California, San Francisco, San Francisco, CA 94158, USA
| | - Sangsoon Park
- Cardiovascular Research Institute and Department of Physiology, University of California, San Francisco, San Francisco, CA 94158, USA; Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA 94158, USA; Bakar Aging Research Institute, University of California, San Francisco, San Francisco, CA 94158, USA
| | - Guo N Huang
- Cardiovascular Research Institute and Department of Physiology, University of California, San Francisco, San Francisco, CA 94158, USA; Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA 94158, USA; Bakar Aging Research Institute, University of California, San Francisco, San Francisco, CA 94158, USA.
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12
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Charbe NB, Tambuwala M, Palakurthi SS, Warokar A, Hromić‐Jahjefendić A, Bakshi H, Zacconi F, Mishra V, Khadse S, Aljabali AA, El‐Tanani M, Serrano‐Aroca Ã, Palakurthi S. Biomedical applications of three-dimensional bioprinted craniofacial tissue engineering. Bioeng Transl Med 2023; 8:e10333. [PMID: 36684092 PMCID: PMC9842068 DOI: 10.1002/btm2.10333] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 04/12/2022] [Accepted: 04/15/2022] [Indexed: 02/06/2023] Open
Abstract
Anatomical complications of the craniofacial regions often present considerable challenges to the surgical repair or replacement of the damaged tissues. Surgical repair has its own set of limitations, including scarcity of the donor tissues, immune rejection, use of immune suppressors followed by the surgery, and restriction in restoring the natural aesthetic appeal. Rapid advancement in the field of biomaterials, cell biology, and engineering has helped scientists to create cellularized skeletal muscle-like structures. However, the existing method still has limitations in building large, highly vascular tissue with clinical application. With the advance in the three-dimensional (3D) bioprinting technique, scientists and clinicians now can produce the functional implants of skeletal muscles and bones that are more patient-specific with the perfect match to the architecture of their craniofacial defects. Craniofacial tissue regeneration using 3D bioprinting can manage and eliminate the restrictions of the surgical transplant from the donor site. The concept of creating the new functional tissue, exactly mimicking the anatomical and physiological function of the damaged tissue, looks highly attractive. This is crucial to reduce the donor site morbidity and retain the esthetics. 3D bioprinting can integrate all three essential components of tissue engineering, that is, rehabilitation, reconstruction, and regeneration of the lost craniofacial tissues. Such integration essentially helps to develop the patient-specific treatment plans and damage site-driven creation of the functional implants for the craniofacial defects. This article is the bird's eye view on the latest development and application of 3D bioprinting in the regeneration of the skeletal muscle tissues and their application in restoring the functional abilities of the damaged craniofacial tissue. We also discussed current challenges in craniofacial bone vascularization and gave our view on the future direction, including establishing the interactions between tissue-engineered skeletal muscle and the peripheral nervous system.
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Affiliation(s)
- Nitin Bharat Charbe
- Irma Lerma Rangel College of PharmacyTexas A&M Health Science CenterKingsvilleTexasUSA
| | - Murtaza Tambuwala
- School of Pharmacy and Pharmaceutical ScienceUlster UniversityColeraineUK
| | | | - Amol Warokar
- Department of PharmacyDadasaheb Balpande College of PharmacyNagpurIndia
| | - Altijana Hromić‐Jahjefendić
- Department of Genetics and Bioengineering, Faculty of Engineering and Natural SciencesInternational University of SarajevoSarajevoBosnia and Herzegovina
| | - Hamid Bakshi
- School of Pharmacy and Pharmaceutical ScienceUlster UniversityColeraineUK
| | - Flavia Zacconi
- Departamento de Quimica Orgánica, Facultad de Química y de FarmaciaPontificia Universidad Católica de ChileSantiagoChile
- Institute for Biological and Medical Engineering, Schools of Engineering, Medicine and Biological SciencesPontificia Universidad Católica de ChileSantiagoChile
| | - Vijay Mishra
- School of Pharmaceutical SciencesLovely Professional UniversityPhagwaraIndia
| | - Saurabh Khadse
- Department of Pharmaceutical ChemistryR.C. Patel Institute of Pharmaceutical Education and ResearchDhuleIndia
| | - Alaa A. Aljabali
- Faculty of Pharmacy, Department of Pharmaceutical SciencesYarmouk UniversityIrbidJordan
| | - Mohamed El‐Tanani
- Pharmacological and Diagnostic Research Centre, Faculty of PharmacyAl‐Ahliyya Amman UniversityAmmanJordan
| | - Ãngel Serrano‐Aroca
- Biomaterials and Bioengineering Lab Translational Research Centre San Alberto MagnoCatholic University of Valencia San Vicente MártirValenciaSpain
| | - Srinath Palakurthi
- Irma Lerma Rangel College of PharmacyTexas A&M Health Science CenterKingsvilleTexasUSA
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13
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Bernardin AA, Colombani S, Rousselot A, Andry V, Goumon Y, Delanoë-Ayari H, Pasqualin C, Brugg B, Jacotot ED, Pasquié JL, Lacampagne A, Meli AC. Impact of Neurons on Patient-Derived Cardiomyocytes Using Organ-On-A-Chip and iPSC Biotechnologies. Cells 2022; 11:cells11233764. [PMID: 36497024 PMCID: PMC9737466 DOI: 10.3390/cells11233764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/18/2022] [Accepted: 11/21/2022] [Indexed: 11/27/2022] Open
Abstract
In the heart, cardiac function is regulated by the autonomic nervous system (ANS) that extends through the myocardium and establishes junctions at the sinus node and ventricular levels. Thus, an increase or decrease in neuronal activity acutely affects myocardial function and chronically affects its structure through remodeling processes. The neuro-cardiac junction (NCJ), which is the major structure of this system, is poorly understood and only a few cell models allow us to study it. Here, we present an innovant neuro-cardiac organ-on-chip model to study this structure to better understand the mechanisms involved in the establishment of NCJ. To create such a system, we used microfluidic devices composed of two separate cell culture compartments interconnected by asymmetric microchannels. Rat PC12 cells were differentiated to recapitulate the characteristics of sympathetic neurons, and cultivated with cardiomyocytes derived from human induced pluripotent stem cells (hiPSC). We confirmed the presence of a specialized structure between the two cell types that allows neuromodulation and observed that the neuronal stimulation impacts the excitation-contraction coupling properties including the intracellular calcium handling. Finally, we also co-cultivated human neurons (hiPSC-NRs) with human cardiomyocytes (hiPSC-CMs), both obtained from the same hiPSC line. Hence, we have developed a neuro-cardiac compartmentalized in vitro model system that allows us to recapitulate the structural and functional properties of the neuro-cardiac junction and that can also be used to better understand the interaction between the heart and brain in humans, as well as to evaluate the impact of drugs on a reconstructed human neuro-cardiac system.
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Affiliation(s)
- Albin A. Bernardin
- PhyMedExp, University of Montpellier, Inserm, CNRS, 371 Avenue du Doyen G. Giraud, CEDEX 5, 34295 Montpellier, France
- MicroBrain Biotech S.A.S., 78160 Marly Le-Roi, France
| | - Sarah Colombani
- PhyMedExp, University of Montpellier, Inserm, CNRS, 371 Avenue du Doyen G. Giraud, CEDEX 5, 34295 Montpellier, France
| | - Antoine Rousselot
- MicroBrain Biotech S.A.S., 78160 Marly Le-Roi, France
- Université Paris-Saclay, CEA, CNRS, NIMBE, 91191 Gif-sur-Yvette, France
| | - Virginie Andry
- SMPMS-INCI, Mass Spectrometry Facilities of the CNRS UPR3212, CNRS UPR3212, Institut des Neu-Rosciences Cellulaires et Intégratives, Centre National de la Recherche Scientifique and University of Strasbourg, 68009 Strasbourg, France
| | - Yannick Goumon
- SMPMS-INCI, Mass Spectrometry Facilities of the CNRS UPR3212, CNRS UPR3212, Institut des Neu-Rosciences Cellulaires et Intégratives, Centre National de la Recherche Scientifique and University of Strasbourg, 68009 Strasbourg, France
| | - Hélène Delanoë-Ayari
- Claude Bernard University, Université de Lyon, Institut lumière matière, 69000 Lyon, France
| | - Côme Pasqualin
- Groupe Physiologie des Cellules Cardiaques et Vasculaires, Université de Tours, EA4245 Transplantation, Immunologie, Inflammation, 37000 Tours, France
| | - Bernard Brugg
- Sorbonne Université, Campus Pierre et Marie Curie, Institut de Biologie Paris-Seine, CNRS UMR 8256, INSERM U1164, F-75005 Paris, France
| | - Etienne D. Jacotot
- Sorbonne Université, Campus Pierre et Marie Curie, Institut de Biologie Paris-Seine, CNRS UMR 8256, INSERM U1164, F-75005 Paris, France
- The Taub Institute for Research on Alzheimer’s Disease and the Aging Brain, Columbia University, New York, NY 10032, USA
- Department of Pathology and Cell Biology, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA
| | - Jean-Luc Pasquié
- PhyMedExp, University of Montpellier, Inserm, CNRS, 371 Avenue du Doyen G. Giraud, CEDEX 5, 34295 Montpellier, France
- Department of Cardiology, Montpellier University Hospital, 34295 Montpellier, France
| | - Alain Lacampagne
- PhyMedExp, University of Montpellier, Inserm, CNRS, 371 Avenue du Doyen G. Giraud, CEDEX 5, 34295 Montpellier, France
- Correspondence: (A.L.); (A.C.M.)
| | - Albano C. Meli
- PhyMedExp, University of Montpellier, Inserm, CNRS, 371 Avenue du Doyen G. Giraud, CEDEX 5, 34295 Montpellier, France
- Correspondence: (A.L.); (A.C.M.)
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14
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Hayat R. Dynamics of metabolism and regulation of epigenetics during cardiomyocytes maturation. Cell Biol Int 2022; 47:30-40. [PMID: 36208083 DOI: 10.1002/cbin.11931] [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: 04/22/2022] [Revised: 09/21/2022] [Accepted: 09/24/2022] [Indexed: 11/09/2022]
Abstract
Maturation is the last step of heart growth that prepares the organ over the lifetime of the mammal for powerful, effective, and sustained pumping. Structural, gene expression, physiological, and functional specialties of cardiomyocytes describe this mechanism as the heart transits from fetus to adult phases. The main cornerstones of maturation of cardiomyocytes are reviewed and primary regulatory mechanisms are summarized to facilitate and organize these cellular activities. During embryonic development, cardiomyocytes proliferate rigorously but leave the cell cycle permanently immediately after the parturition of the child and experience terminal differentiation. The activation of a host of genes specific for the mature heart is correlated with the exit from the cell cycle. Even when exposed to mitogenic stimuli, the bulk of mature cardiomyocytes do not re-join the cell cycle. The reason for this permanent exit from the cell cycle is shown to be linked with stable switching off of the genes of the cell cycle directly involved in the G2/M transition phase and cytokinesis development. Researchers also trying to explain the molecular mechanism involved in stable inhibition of the gene and described structural changes (epigenetic and chromatin) in this mechanism. Substantial developments in the future with advances in the scientific platforms used for cardiomyocyte maturation research will broaden our understanding of this mechanism and result in better maturation of cardiomyocyte-derived pluripotent stem cells and effective treatment approaches for cardiovascular diseases.
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Affiliation(s)
- Rabia Hayat
- Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao, China
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15
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Haburčák M, Harrison J, Buyukozturk MM, Sona S, Bates S, Birren SJ. Heightened sympathetic neuron activity and altered cardiomyocyte properties in spontaneously hypertensive rats during the postnatal period. Front Synaptic Neurosci 2022; 14:995474. [PMID: 36247695 PMCID: PMC9561918 DOI: 10.3389/fnsyn.2022.995474] [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] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 09/12/2022] [Indexed: 11/18/2022] Open
Abstract
The Spontaneously Hypertensive Rat (SHR) has increased sympathetic drive to the periphery that precedes and contributes to the development of high blood pressure, making it a useful model for the study of neurogenic hypertension. Comparisons to the normotensive Wistar Kyoto (WKY) rat have demonstrated altered active and intrinsic properties of SHR sympathetic neurons shortly before the onset of hypertension. Here we examine the structural and functional plasticity of postnatal SHR and WKY sympathetic neurons cultured alone or co-cultured with cardiomyocytes under conditions of limited extrinsic signaling. SHR neurons have an increased number of structural synaptic sites compared to age-matched WKY neurons, measured by the co-localization of presynaptic vesicular acetylcholine transporter and postsynaptic shank proteins. Whole cell recordings show that SHR neurons have a higher synaptic charge than WKY neurons, demonstrating that the increase in synaptic sites is associated with increased synaptic transmission. Differences in synaptic properties are not associated with altered firing rates between postnatal WKY and SHR neurons and are not influenced by interactions with target cardiomyocytes from either strain. Both SHR and WKY neurons show tonic firing patterns in our cultures, which are depleted of non-neuronal ganglionic cells and provide limited neurotrophic signaling. This suggests that the normal mature, phasic firing of sympathetic neurons requires extrinsic signaling, with potentially differential responses in the prehypertensive SHR, which have been reported to maintain tonic firing at later developmental stages. While cardiomyocytes do not drive neuronal differences in our cultures, SHR cardiomyocytes display decreased hypertrophy compared to WKY cells and altered responses to co-cultured sympathetic neurons. These experiments suggest that altered signaling in SHR neurons and cardiomyocytes contributes to changes in the cardiac-sympathetic circuit in prehypertensive rats as early as the postnatal period.
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Affiliation(s)
- Marián Haburčák
- Biology Department, Brandeis University, Waltham, MA, United States,Volen Center for Complex Systems, Brandeis University, Waltham, MA, United States
| | - Joshua Harrison
- Biology Department, Brandeis University, Waltham, MA, United States,Volen Center for Complex Systems, Brandeis University, Waltham, MA, United States
| | - Melda M. Buyukozturk
- Biology Department, Brandeis University, Waltham, MA, United States,Volen Center for Complex Systems, Brandeis University, Waltham, MA, United States
| | - Surbhi Sona
- Biology Department, Brandeis University, Waltham, MA, United States,Volen Center for Complex Systems, Brandeis University, Waltham, MA, United States
| | - Samuel Bates
- Biology Department, Brandeis University, Waltham, MA, United States,Volen Center for Complex Systems, Brandeis University, Waltham, MA, United States
| | - Susan J. Birren
- Biology Department, Brandeis University, Waltham, MA, United States,Volen Center for Complex Systems, Brandeis University, Waltham, MA, United States,*Correspondence: Susan J. Birren
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16
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Honeycutt SE, N'Guetta PEY, O'Brien LL. Innervation in organogenesis. Curr Top Dev Biol 2022; 148:195-235. [PMID: 35461566 PMCID: PMC10636594 DOI: 10.1016/bs.ctdb.2022.02.004] [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] [Indexed: 10/18/2022]
Abstract
Proper innervation of peripheral organs helps to maintain physiological homeostasis and elicit responses to external stimuli. Disruptions to normal function can result in pathophysiological consequences. The establishment of connections and communication between the central nervous system and the peripheral organs is accomplished through the peripheral nervous system. Neuronal connections with target tissues arise from ganglia partitioned throughout the body. Organ innervation is initiated during development with stimuli being conducted through several types of neurons including sympathetic, parasympathetic, and sensory. While the physiological modulation of mature organs by these nerves is largely understood, their role in mammalian development is only beginning to be uncovered. Interactions with cells in target tissues can affect the development and eventual function of several organs, highlighting their significance. This chapter will cover the origin of peripheral neurons, factors mediating organ innervation, and the composition and function of organ-specific nerves during development. This emerging field aims to identify the functional contribution of innervation to development which will inform future investigations of normal and abnormal mammalian organogenesis, as well as contribute to regenerative and organ replacement efforts where nerve-derived signals may have significant implications for the advancement of such studies.
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Affiliation(s)
- Samuel E Honeycutt
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Pierre-Emmanuel Y N'Guetta
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Lori L O'Brien
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.
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17
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Franzoso M, Dokshokova L, Vitiello L, Zaglia T, Mongillo M. Tuning the Consonance of Microscopic Neuro-Cardiac Interactions Allows the Heart Beats to Play Countless Genres. Front Physiol 2022; 13:841740. [PMID: 35273522 PMCID: PMC8902305 DOI: 10.3389/fphys.2022.841740] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 02/01/2022] [Indexed: 12/12/2022] Open
Abstract
Different from skeletal muscle, the heart autonomously generates rhythmic contraction independently from neuronal inputs. However, speed and strength of the heartbeats are continuously modulated by environmental, physical or emotional inputs, delivered by cardiac innervating sympathetic neurons, which tune cardiomyocyte (CM) function, through activation of β-adrenoceptors (β-ARs). Given the centrality of such mechanism in heart regulation, β-AR signaling has been subject of intense research, which has reconciled the molecular details of the transduction pathway and the fine architecture of cAMP signaling in subcellular nanodomains, with its final effects on CM function. The importance of mechanisms keeping the elements of β-AR/cAMP signaling in good order emerges in pathology, when the loss of proper organization of the transduction pathway leads to detuned β-AR/cAMP signaling, with detrimental consequences on CM function. Despite the compelling advancements in decoding cardiac β-AR/cAMP signaling, most discoveries on the subject were obtained in isolated cells, somehow neglecting that complexity may encompass the means in which receptors are activated in the intact heart. Here, we outline a set of data indicating that, in the context of the whole myocardium, the heart orchestra (CMs) is directed by a closely interacting and continuously attentive conductor, represented by SNs. After a roundup of literature on CM cAMP regulation, we focus on the unexpected complexity and roles of cardiac sympathetic innervation, and present the recently discovered Neuro-Cardiac Junction, as the election site of "SN-CM" interaction. We further discuss how neuro-cardiac communication is based on the combination of extra- and intra-cellular signaling micro/nano-domains, implicating neuronal neurotransmitter exocytosis, β-ARs and elements of cAMP homeostasis in CMs, and speculate on how their dysregulation may reflect on dysfunctional neurogenic control of the heart in pathology.
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Affiliation(s)
- Mauro Franzoso
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Lolita Dokshokova
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | | | - Tania Zaglia
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Marco Mongillo
- Department of Biomedical Sciences, University of Padova, Padova, Italy
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18
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Kowalski WJ, Garcia-Pak IH, Li W, Uosaki H, Tampakakis E, Zou J, Lin Y, Patterson K, Kwon C, Mukouyama YS. Sympathetic Neurons Regulate Cardiomyocyte Maturation in Culture. Front Cell Dev Biol 2022; 10:850645. [PMID: 35359438 PMCID: PMC8961983 DOI: 10.3389/fcell.2022.850645] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 02/02/2022] [Indexed: 12/20/2022] Open
Abstract
Embryos devoid of autonomic innervation suffer sudden cardiac death. However, whether autonomic neurons have a role in heart development is poorly understood. To investigate if sympathetic neurons impact cardiomyocyte maturation, we co-cultured phenotypically immature cardiomyocytes derived from human induced pluripotent stem cells with mouse sympathetic ganglion neurons. We found that 1) multiple cardiac structure and ion channel genes related to cardiomyocyte maturation were up-regulated when co-cultured with sympathetic neurons; 2) sarcomere organization and connexin-43 gap junctions increased; 3) calcium imaging showed greater transient amplitudes. However, sarcomere spacing, relaxation time, and level of sarcoplasmic reticulum calcium did not show matured phenotypes. We further found that addition of endothelial and epicardial support cells did not enhance maturation to a greater extent beyond sympathetic neurons, while administration of isoproterenol alone was insufficient to induce changes in gene expression. These results demonstrate that sympathetic neurons have a significant and complex role in regulating cardiomyocyte development.
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Affiliation(s)
- William J. Kowalski
- Laboratory of Stem Cell and Neuro-Vascular Biology, Cell and Developmental Biology Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Iris H. Garcia-Pak
- Laboratory of Stem Cell and Neuro-Vascular Biology, Cell and Developmental Biology Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Wenling Li
- Laboratory of Stem Cell and Neuro-Vascular Biology, Cell and Developmental Biology Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Hideki Uosaki
- Division of Cardiology, Department of Medicine, Johns Hopkins University, Baltimore, MD, United States,Division of Regenerative Medicine, Center for Molecular Medicine, Jichi Medical University, Shimotsuke, Japan
| | - Emmanouil Tampakakis
- Division of Cardiology, Department of Medicine, Johns Hopkins University, Baltimore, MD, United States
| | - Jizhong Zou
- IPSC Core Facility, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Yongshun Lin
- IPSC Core Facility, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Kira Patterson
- IPSC Core Facility, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Chulan Kwon
- Division of Cardiology, Department of Medicine, Johns Hopkins University, Baltimore, MD, United States
| | - Yoh-Suke Mukouyama
- Laboratory of Stem Cell and Neuro-Vascular Biology, Cell and Developmental Biology Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States,*Correspondence: Yoh-Suke Mukouyama,
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19
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Gaddam RR, Kim Y, Jacobs JS, Yoon J, Li Q, Cai A, Shankaiahgari H, London B, Irani K, Vikram A. The microRNA-204-5p inhibits APJ signalling and confers resistance to cardiac hypertrophy and dysfunction. Clin Transl Med 2022; 12:e693. [PMID: 35060347 PMCID: PMC8777385 DOI: 10.1002/ctm2.693] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 11/29/2021] [Accepted: 12/16/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND MicroRNAs regulate cardiac hypertrophy development, which precedes and predicts the risk of heart failure. microRNA-204-5p (miR-204) is well expressed in cardiomyocytes, but its role in developing cardiac hypertrophy and cardiac dysfunction (CH/CD) remains poorly understood. METHODS We performed RNA-sequencing, echocardiographic, and molecular/morphometric analysis of the heart of mice lacking or overexpressing miR-204 five weeks after trans-aortic constriction (TAC). The neonatal rat cardiomyocytes, H9C2, and HEK293 cells were used to determine the mechanistic role of miR-204. RESULTS The stretch induces miR-204 expression, and miR-204 inhibits the stretch-induced hypertrophic response of H9C2 cells. The mice lacking miR-204 displayed a higher susceptibility to CH/CD during pressure overload, which was reversed by the adeno-associated virus serotype-9-mediated cardioselective miR-204 overexpression. Bioinformatic analysis of the cardiac transcriptomics of miR-204 knockout mice following pressure overload suggested deregulation of apelin-receptor (APJ) signalling. We found that the stretch-induced extracellular signal-regulated kinase 1/2 (ERK1/2) activation and hypertrophy-related genes expression depend on the APJ, and both of these effects are subject to miR-204 levels. The dynamin inhibitor dynasore inhibited both stretch-induced APJ endocytosis and ERK1/2 activation. In contrast, the miR-204-induced APJ endocytosis was neither inhibited by dynamin inhibitors (dynasore and dyngo) nor associated with ERK1/2 activation. We find that the miR-204 increases the expression of ras-associated binding proteins (e.g., Rab5a, Rab7) that regulate cellular endocytosis. CONCLUSIONS Our results show that miR-204 regulates trafficking of APJ and confers resistance to pressure overload-induced CH/CD, and boosting miR-204 can inhibit the development of CH/CD.
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Affiliation(s)
- Ravinder Reddy Gaddam
- Department of Internal MedicineCarver College of Medicine University of IowaIowa CityIowaUSA
| | - Young‐Rae Kim
- Department of Internal MedicineCarver College of Medicine University of IowaIowa CityIowaUSA
| | - Julia S. Jacobs
- Department of Internal MedicineCarver College of Medicine University of IowaIowa CityIowaUSA
| | - Jin‐Young Yoon
- Department of Internal MedicineCarver College of Medicine University of IowaIowa CityIowaUSA
| | - Qiuxia Li
- Department of Internal MedicineCarver College of Medicine University of IowaIowa CityIowaUSA
| | - Angela Cai
- Department of Internal MedicineCarver College of Medicine University of IowaIowa CityIowaUSA
| | - Hamsitha Shankaiahgari
- Department of Internal MedicineCarver College of Medicine University of IowaIowa CityIowaUSA
| | - Barry London
- Department of Internal MedicineCarver College of Medicine University of IowaIowa CityIowaUSA
| | - Kaikobad Irani
- Department of Internal MedicineCarver College of Medicine University of IowaIowa CityIowaUSA
| | - Ajit Vikram
- Department of Internal MedicineCarver College of Medicine University of IowaIowa CityIowaUSA
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20
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Tampakakis E, Gangrade H, Glavaris S, Htet M, Murphy S, Lin BL, Liu T, Saberi A, Miyamoto M, Kowalski W, Mukouyama YS, Lee G, Minichiello L, Kwon C. Heart neurons use clock genes to control myocyte proliferation. SCIENCE ADVANCES 2021; 7:eabh4181. [PMID: 34851661 PMCID: PMC8635446 DOI: 10.1126/sciadv.abh4181] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 10/08/2021] [Indexed: 06/13/2023]
Abstract
Neurons can regulate the development, pathogenesis, and regeneration of target organs. However, the role of neurons during heart development and regeneration remains unclear. We genetically inhibited sympathetic innervation in vivo, which resulted in heart enlargement with an increase in cardiomyocyte number. Transcriptomic and protein analysis showed down-regulation of the two clock gene homologs Period1/Period2 (Per1/Per2) accompanied by up-regulation of cell cycle genes. Per1/Per2 deletion increased heart size and cardiomyocyte proliferation, recapitulating sympathetic neuron–deficient hearts. Conversely, increasing sympathetic activity by norepinephrine treatment induced Per1/Per2 and suppressed cardiomyocyte proliferation. We further found that the two clock genes negatively regulate myocyte mitosis entry through the Wee1 kinase pathway. Our findings demonstrate a previously unknown link between cardiac neurons and clock genes in regulation of cardiomyocyte proliferation and heart size and provide mechanistic insights for developing neuromodulation strategies for cardiac regen5eration.
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Affiliation(s)
- Emmanouil Tampakakis
- Division of Cardiology, Department of Medicine, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Harshi Gangrade
- Division of Cardiology, Department of Medicine, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Stephanie Glavaris
- Division of Paediatric Oncology, Department of Paediatrics, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Myo Htet
- Division of Cardiology, Department of Medicine, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Sean Murphy
- Division of Cardiology, Department of Medicine, Johns Hopkins University, Baltimore, MD 21205, USA
- Department of Biomedical Engineering, Department of Cell Biology, Cellular, and Molecular Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Brian Leei Lin
- Division of Cardiology, Department of Medicine, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Ting Liu
- Division of Cardiology, Department of Medicine, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Amir Saberi
- Division of Cardiology, Department of Medicine, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Matthew Miyamoto
- Division of Cardiology, Department of Medicine, Johns Hopkins University, Baltimore, MD 21205, USA
- Department of Biomedical Engineering, Department of Cell Biology, Cellular, and Molecular Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - William Kowalski
- Laboratory of Stem Cell and Neuro-Vascular Biology, Cell and Developmental Biology Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Yoh-Suke Mukouyama
- Laboratory of Stem Cell and Neuro-Vascular Biology, Cell and Developmental Biology Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Gabsang Lee
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | | | - Chulan Kwon
- Division of Cardiology, Department of Medicine, Johns Hopkins University, Baltimore, MD 21205, USA
- Department of Biomedical Engineering, Department of Cell Biology, Cellular, and Molecular Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
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21
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Abstract
The sympathetic nervous system prepares the body for 'fight or flight' responses and maintains homeostasis during daily activities such as exercise, eating a meal or regulation of body temperature. Sympathetic regulation of bodily functions requires the establishment and refinement of anatomically and functionally precise connections between postganglionic sympathetic neurons and peripheral organs distributed widely throughout the body. Mechanistic studies of key events in the formation of postganglionic sympathetic neurons during embryonic and early postnatal life, including axon growth, target innervation, neuron survival, and dendrite growth and synapse formation, have advanced the understanding of how neuronal development is shaped by interactions with peripheral tissues and organs. Recent progress has also been made in identifying how the cellular and molecular diversity of sympathetic neurons is established to meet the functional demands of peripheral organs. In this Review, we summarize current knowledge of signalling pathways underlying the development of the sympathetic nervous system. These findings have implications for unravelling the contribution of sympathetic dysfunction stemming, in part, from developmental perturbations to the pathophysiology of peripheral neuropathies and cardiovascular and metabolic disorders.
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22
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Bongiovanni C, Sacchi F, Da Pra S, Pantano E, Miano C, Morelli MB, D'Uva G. Reawakening the Intrinsic Cardiac Regenerative Potential: Molecular Strategies to Boost Dedifferentiation and Proliferation of Endogenous Cardiomyocytes. Front Cardiovasc Med 2021; 8:750604. [PMID: 34692797 PMCID: PMC8531484 DOI: 10.3389/fcvm.2021.750604] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 09/13/2021] [Indexed: 12/27/2022] Open
Abstract
Despite considerable efforts carried out to develop stem/progenitor cell-based technologies aiming at replacing and restoring the cardiac tissue following severe damages, thus far no strategies based on adult stem cell transplantation have been demonstrated to efficiently generate new cardiac muscle cells. Intriguingly, dedifferentiation, and proliferation of pre-existing cardiomyocytes and not stem cell differentiation represent the preponderant cellular mechanism by which lower vertebrates spontaneously regenerate the injured heart. Mammals can also regenerate their heart up to the early neonatal period, even in this case by activating the proliferation of endogenous cardiomyocytes. However, the mammalian cardiac regenerative potential is dramatically reduced soon after birth, when most cardiomyocytes exit from the cell cycle, undergo further maturation, and continue to grow in size. Although a slow rate of cardiomyocyte turnover has also been documented in adult mammals, both in mice and humans, this is not enough to sustain a robust regenerative process. Nevertheless, these remarkable findings opened the door to a branch of novel regenerative approaches aiming at reactivating the endogenous cardiac regenerative potential by triggering a partial dedifferentiation process and cell cycle re-entry in endogenous cardiomyocytes. Several adaptations from intrauterine to extrauterine life starting at birth and continuing in the immediate neonatal period concur to the loss of the mammalian cardiac regenerative ability. A wide range of systemic and microenvironmental factors or cell-intrinsic molecular players proved to regulate cardiomyocyte proliferation and their manipulation has been explored as a therapeutic strategy to boost cardiac function after injuries. We here review the scientific knowledge gained thus far in this novel and flourishing field of research, elucidating the key biological and molecular mechanisms whose modulation may represent a viable approach for regenerating the human damaged myocardium.
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Affiliation(s)
- Chiara Bongiovanni
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy.,Centre for Applied Biomedical Research (CRBA), University of Bologna, Bologna, Italy.,National Laboratory of Molecular Biology and Stem Cell Engineering, National Institute of Biostructures and Biosystems (INBB), Bologna, Italy
| | - Francesca Sacchi
- National Laboratory of Molecular Biology and Stem Cell Engineering, National Institute of Biostructures and Biosystems (INBB), Bologna, Italy
| | - Silvia Da Pra
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy.,Centre for Applied Biomedical Research (CRBA), University of Bologna, Bologna, Italy
| | - Elvira Pantano
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, Milan, Italy
| | - Carmen Miano
- National Laboratory of Molecular Biology and Stem Cell Engineering, National Institute of Biostructures and Biosystems (INBB), Bologna, Italy
| | - Marco Bruno Morelli
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, Milan, Italy
| | - Gabriele D'Uva
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy.,Centre for Applied Biomedical Research (CRBA), University of Bologna, Bologna, Italy.,National Laboratory of Molecular Biology and Stem Cell Engineering, National Institute of Biostructures and Biosystems (INBB), Bologna, Italy
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23
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Scalco A, Moro N, Mongillo M, Zaglia T. Neurohumoral Cardiac Regulation: Optogenetics Gets Into the Groove. Front Physiol 2021; 12:726895. [PMID: 34531763 PMCID: PMC8438220 DOI: 10.3389/fphys.2021.726895] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 07/27/2021] [Indexed: 12/25/2022] Open
Abstract
The cardiac autonomic nervous system (ANS) is the main modulator of heart function, adapting contraction force, and rate to the continuous variations of intrinsic and extrinsic environmental conditions. While the parasympathetic branch dominates during rest-and-digest sympathetic neuron (SN) activation ensures the rapid, efficient, and repeatable increase of heart performance, e.g., during the "fight-or-flight response." Although the key role of the nervous system in cardiac homeostasis was evident to the eyes of physiologists and cardiologists, the degree of cardiac innervation, and the complexity of its circuits has remained underestimated for too long. In addition, the mechanisms allowing elevated efficiency and precision of neurogenic control of heart function have somehow lingered in the dark. This can be ascribed to the absence of methods adequate to study complex cardiac electric circuits in the unceasingly moving heart. An increasing number of studies adds to the scenario the evidence of an intracardiac neuron system, which, together with the autonomic components, define a little brain inside the heart, in fervent dialogue with the central nervous system (CNS). The advent of optogenetics, allowing control the activity of excitable cells with cell specificity, spatial selectivity, and temporal resolution, has allowed to shed light on basic neuro-cardiology. This review describes how optogenetics, which has extensively been used to interrogate the circuits of the CNS, has been applied to untangle the knots of heart innervation, unveiling the cellular mechanisms of neurogenic control of heart function, in physiology and pathology, as well as those participating to brain-heart communication, back and forth. We discuss existing literature, providing a comprehensive view of the advancement in the understanding of the mechanisms of neurogenic heart control. In addition, we weigh the limits and potential of optogenetics in basic and applied research in neuro-cardiology.
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Affiliation(s)
- Arianna Scalco
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padova, Padova, Italy
- Veneto Institute of Molecular Medicine, Padova, Italy
| | - Nicola Moro
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padova, Padova, Italy
- Veneto Institute of Molecular Medicine, Padova, Italy
| | - Marco Mongillo
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Tania Zaglia
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Biomedical Sciences, University of Padova, Padova, Italy
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24
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Arora H, Lavin AC, Balkan W, Hare JM, White IA. Neuregulin-1, in a Conducive Milieu with Wnt/BMP/Retinoic Acid, Prolongs the Epicardial-Mediated Cardiac Regeneration Capacity of Neonatal Heart Explants. J Stem Cells Regen Med 2021; 17:18-27. [PMID: 34434004 DOI: 10.46582/jsrm.1701003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 11/02/2020] [Indexed: 01/08/2023]
Abstract
Rationale: Cardiac sympathetic nerves are required for endogenous repair of the mammalian neonatal heart in vivo, but the underlying mechanism is unclear. Objective: We tested the hypothesis that a combination of cardiac developmental growth factors Wnt3a, BMP4 and Neuregulin (NRG-1), compensate for denervation and support cardiac regeneration in explanted neonatal mammalian hearts. Methods and Results: Hearts from 2-day old neonatal mice were harvested, lesioned at the apex and grown ex vivo for 21 days under defined conditions. Hearts grown in canonical cardiomyocyte culture media underwent complete coagulative necrosis, a process resembling ischemic cell death, by day 14. However, the addition of Wnt3a, BMP-4 and NRG-1, maintained cellular integrity and restored the endogenous regenerative program. None of these factors alone, or in any paired combination, were sufficient to induce regeneration in culture. rNRG-1 alone significantly reduced the accumulation of double strand DNA damage at Day 3; (-NRG-1: 60±12%; +NRG-1: 8±3%; P<0.01) and prevented coagulative necrosis at Day 14. Short-term addition of rWnt3a and rBMP-4 (day 0-3, NRG-1+) increased WT1 expression (a marker of epicardial cells) 7-fold, epicardial proliferation (78±17 cells vs. 21±9 cells; P<0.05), migration and recellularization (80±22 vs. zero cells; P<0.01; n=6) at the injury site on day 14. Conclusions: A novel explant culture system maintains three-dimensional neonatal mouse hearts and the mammalian neonatal cardiac regenerative program ex vivo. We identified that rNRG-1, plus short-term activation of Wnt- and BMP-signaling, promotes cardiac repair via epicardial cell activation, their proliferation and migration to the injury site, followed by putative cardiomyocyte recruitment. This novel technique will facilitate future studies of mammalian cardiac regeneration and may be useful in cardiac-specific drug testing.
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Affiliation(s)
- Himanshu Arora
- Interdisciplinary Stem Cell Institute and Departments of.,Urology and
| | | | - Wayne Balkan
- Interdisciplinary Stem Cell Institute and Departments of.,Medicine, University of Miami Miller School of Medicine, Miami FL, 33136, USA
| | - Joshua M Hare
- Interdisciplinary Stem Cell Institute and Departments of.,Medicine, University of Miami Miller School of Medicine, Miami FL, 33136, USA
| | - Ian A White
- Interdisciplinary Stem Cell Institute and Departments of.,Neobiosis, LLC, 12085 Research Dr, Alachua, FL 32615, USA
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25
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Odnoshivkina YG, Petrov AM. The Role of Neuro-Cardiac Junctions
in Sympathetic Regulation of the Heart. J EVOL BIOCHEM PHYS+ 2021. [DOI: 10.1134/s0022093021030078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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26
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Tampakakis E, Mahmoud AI. The role of hormones and neurons in cardiomyocyte maturation. Semin Cell Dev Biol 2021; 118:136-143. [PMID: 33931308 DOI: 10.1016/j.semcdb.2021.03.026] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 03/19/2021] [Accepted: 03/29/2021] [Indexed: 12/28/2022]
Abstract
The heart undergoes profound morphological and functional changes as it continues to mature postnatally. However, this phase of cardiac development remains understudied. More recently, cardiac maturation research has attracted a lot of interest due to the need for more mature stem cell-derived cardiomyocytes for disease modeling, drug screening and heart regeneration. Additionally, neonatal heart injury models have been utilized to study heart regeneration, and factors regulating postnatal heart development have been associated with adult cardiac disease. Critical components of cardiac maturation are systemic and local biochemical cues. Specifically, cardiac innervation and the concentration of various metabolic hormones appear to increase perinatally and they have striking effects on cardiomyocytes. Here, we first report some of the key parameters of mature cardiomyocytes and then discuss the specific effects of neurons and hormonal cues on cardiomyocyte maturation. We focus primarily on the structural, electrophysiologic, metabolic, hypertrophic and hyperplastic effects of each factor. This review highlights the significance of underappreciated regulators of cardiac maturation and underscores the need for further research in this exciting field.
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Affiliation(s)
- Emmanouil Tampakakis
- Department of Medicine, Division of Cardiology, Johns Hopkins University, Baltimore, MD 21205, USA.
| | - Ahmed I Mahmoud
- Department of Cell and Regenerative Biology, University of Wisconsin-Madison School of Medicine and Public Health, Madison, WI 53705, USA.
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27
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Maternal diet high in linoleic acid alters offspring fatty acids and cardiovascular function in a rat model. Br J Nutr 2021; 127:540-553. [PMID: 33858529 DOI: 10.1017/s0007114521001276] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Linoleic acid (LA), an essential n-6 fatty acid (FA), is critical for fetal development. We investigated the effects of maternal high LA (HLA) diet on offspring cardiac development and its relationship to circulating FA and cardiovascular function in adolescent offspring, and the ability of the postnatal diet to reverse any adverse effects. Female Wistar Kyoto rats were fed low LA (LLA; 1·44 % energy from LA) or high LA (HLA; 6·21 % energy from LA) diets for 10 weeks before pregnancy and during gestation/lactation. Offspring, weaned at postnatal day 25, were fed LLA or HLA diets and euthanised at postnatal day 40 (n 6-8). Maternal HLA diet decreased circulating total cholesterol and HDL-cholesterol in females and decreased total plasma n-3 FA in males, while maternal and postnatal HLA diets decreased total plasma n-3 FA in females. α-Linolenic acid (ALA) and EPA were decreased by postnatal but not maternal HLA diets in both sexes. Maternal and postnatal HLA diets increased total plasma n-6 and LA, and a maternal HLA diet increased circulating leptin, in both male and female offspring. Maternal HLA decreased slopes of systolic and diastolic pressure-volume relationship (PVR), and increased cardiac Col1a1, Col3a1, Atp2a1 and Notch1 in males. Maternal and postnatal HLA diets left-shifted the diastolic PVR in female offspring. Coronary reactivity was altered in females, with differential effects on flow repayment after occlusion. Thus, maternal HLA diets impact lipids, FA and cardiac function in offspring, with postnatal diet modifying FA and cardiac function in the female offspring.
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28
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Fedele L, Brand T. The Intrinsic Cardiac Nervous System and Its Role in Cardiac Pacemaking and Conduction. J Cardiovasc Dev Dis 2020; 7:jcdd7040054. [PMID: 33255284 PMCID: PMC7712215 DOI: 10.3390/jcdd7040054] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 11/19/2020] [Accepted: 11/20/2020] [Indexed: 12/11/2022] Open
Abstract
The cardiac autonomic nervous system (CANS) plays a key role for the regulation of cardiac activity with its dysregulation being involved in various heart diseases, such as cardiac arrhythmias. The CANS comprises the extrinsic and intrinsic innervation of the heart. The intrinsic cardiac nervous system (ICNS) includes the network of the intracardiac ganglia and interconnecting neurons. The cardiac ganglia contribute to the tight modulation of cardiac electrophysiology, working as a local hub integrating the inputs of the extrinsic innervation and the ICNS. A better understanding of the role of the ICNS for the modulation of the cardiac conduction system will be crucial for targeted therapies of various arrhythmias. We describe the embryonic development, anatomy, and physiology of the ICNS. By correlating the topography of the intracardiac neurons with what is known regarding their biophysical and neurochemical properties, we outline their physiological role in the control of pacemaker activity of the sinoatrial and atrioventricular nodes. We conclude by highlighting cardiac disorders with a putative involvement of the ICNS and outline open questions that need to be addressed in order to better understand the physiology and pathophysiology of the ICNS.
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Affiliation(s)
- Laura Fedele
- Correspondence: (L.F.); (T.B.); Tel.: +44-(0)-207-594-6531 (L.F.); +44-(0)-207-594-8744 (T.B.)
| | - Thomas Brand
- Correspondence: (L.F.); (T.B.); Tel.: +44-(0)-207-594-6531 (L.F.); +44-(0)-207-594-8744 (T.B.)
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29
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Williams AM, Manouchehri N, Erskine E, Tauh K, So K, Shortt K, Webster M, Fisk S, Billingsley A, Munro A, Tigchelaar S, Streijger F, Kim KT, Kwon BK, West CR. Cardio-centric hemodynamic management improves spinal cord oxygenation and mitigates hemorrhage in acute spinal cord injury. Nat Commun 2020; 11:5209. [PMID: 33060602 PMCID: PMC7562705 DOI: 10.1038/s41467-020-18905-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 09/14/2020] [Indexed: 12/29/2022] Open
Abstract
Chronic high-thoracic and cervical spinal cord injury (SCI) results in a complex phenotype of cardiovascular consequences, including impaired left ventricular (LV) contractility. Here, we aim to determine whether such dysfunction manifests immediately post-injury, and if so, whether correcting impaired contractility can improve spinal cord oxygenation (SCO2), blood flow (SCBF) and metabolism. Using a porcine model of T2 SCI, we assess LV end-systolic elastance (contractility) via invasive pressure-volume catheterization, monitor intraparenchymal SCO2 and SCBF with fiberoptic oxygen sensors and laser-Doppler flowmetry, respectively, and quantify spinal cord metabolites with microdialysis. We demonstrate that high-thoracic SCI acutely impairs cardiac contractility and substantially reduces SCO2 and SCBF within the first hours post-injury. Utilizing the same model, we next show that augmenting LV contractility with the β-agonist dobutamine increases SCO2 and SCBF more effectively than vasopressor therapy, whilst also mitigating increased anaerobic metabolism and hemorrhage in the injured cord. Finally, in pigs with T2 SCI survived for 12 weeks post-injury, we confirm that acute hemodynamic management with dobutamine appears to preserve cardiac function and improve hemodynamic outcomes in the chronic setting. Our data support that cardio-centric hemodynamic management represents an advantageous alternative to the current clinical standard of vasopressor therapy for acute traumatic SCI.
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Affiliation(s)
- Alexandra M Williams
- International Collaboration On Repair Discoveries (ICORD), University of British Columbia, Vancouver, BC, Canada.,Department of Cellular and Physiological Sciences, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Neda Manouchehri
- International Collaboration On Repair Discoveries (ICORD), University of British Columbia, Vancouver, BC, Canada
| | - Erin Erskine
- International Collaboration On Repair Discoveries (ICORD), University of British Columbia, Vancouver, BC, Canada.,Department of Cellular and Physiological Sciences, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Keerit Tauh
- International Collaboration On Repair Discoveries (ICORD), University of British Columbia, Vancouver, BC, Canada
| | - Kitty So
- International Collaboration On Repair Discoveries (ICORD), University of British Columbia, Vancouver, BC, Canada
| | - Katelyn Shortt
- International Collaboration On Repair Discoveries (ICORD), University of British Columbia, Vancouver, BC, Canada
| | - Megan Webster
- International Collaboration On Repair Discoveries (ICORD), University of British Columbia, Vancouver, BC, Canada
| | - Shera Fisk
- International Collaboration On Repair Discoveries (ICORD), University of British Columbia, Vancouver, BC, Canada
| | - Avril Billingsley
- International Collaboration On Repair Discoveries (ICORD), University of British Columbia, Vancouver, BC, Canada
| | - Alex Munro
- International Collaboration On Repair Discoveries (ICORD), University of British Columbia, Vancouver, BC, Canada
| | - Seth Tigchelaar
- International Collaboration On Repair Discoveries (ICORD), University of British Columbia, Vancouver, BC, Canada
| | - Femke Streijger
- International Collaboration On Repair Discoveries (ICORD), University of British Columbia, Vancouver, BC, Canada
| | - Kyoung-Tae Kim
- International Collaboration On Repair Discoveries (ICORD), University of British Columbia, Vancouver, BC, Canada.,Department of Neurosurgery, School of Medicine, Kyungpook National University Hospital, Daegu, South Korea
| | - Brian K Kwon
- International Collaboration On Repair Discoveries (ICORD), University of British Columbia, Vancouver, BC, Canada.,Vancouver Spine Surgery Institute, Department of Orthopaedics, University of British Columbia, Vancouver, BC, Canada
| | - Christopher R West
- International Collaboration On Repair Discoveries (ICORD), University of British Columbia, Vancouver, BC, Canada. .,Department of Cellular and Physiological Sciences, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada.
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30
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Liu H, Zhang CH, Ammanamanchi N, Suresh S, Lewarchik C, Rao K, Uys GM, Han L, Abrial M, Yimlamai D, Ganapathy B, Guillermier C, Chen N, Khaladkar M, Spaethling J, Eberwine JH, Kim J, Walsh S, Choudhury S, Little K, Francis K, Sharma M, Viegas M, Bais A, Kostka D, Ding J, Bar-Joseph Z, Wu Y, Yechoor V, Moulik M, Johnson J, Weinberg J, Reyes-Múgica M, Steinhauser ML, Kühn B. Control of cytokinesis by β-adrenergic receptors indicates an approach for regulating cardiomyocyte endowment. Sci Transl Med 2020; 11:11/513/eaaw6419. [PMID: 31597755 PMCID: PMC8132604 DOI: 10.1126/scitranslmed.aaw6419] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 06/10/2019] [Accepted: 08/30/2019] [Indexed: 12/28/2022]
Abstract
One million patients with congenital heart disease (CHD) live in the United States. They have a lifelong risk of developing heart failure. Current concepts do not sufficiently address mechanisms of heart failure development specifically for these patients. Here, analysis of heart tissue from an infant with tetralogy of Fallot with pulmonary stenosis (ToF/PS) labeled with isotope-tagged thymidine demonstrated that cardiomyocyte cytokinesis failure is increased in this common form of CHD. We used single-cell transcriptional profiling to discover that the underlying mechanism of cytokinesis failure is repression of the cytokinesis gene ECT2, downstream of β-adrenergic receptors (β-ARs). Inactivation of the β-AR genes and administration of the β-blocker propranolol increased cardiomyocyte division in neonatal mice, which increased the number of cardiomyocytes (endowment) and conferred benefit after myocardial infarction in adults. Propranolol enabled the division of ToF/PS cardiomyocytes in vitro. These results suggest that β-blockers could be evaluated for increasing cardiomyocyte division in patients with ToF/PS and other types of CHD.
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Affiliation(s)
- Honghai Liu
- Richard King Mellon Foundation Institute for Pediatric Research and Division of Cardiology, UPMC Children's Hospital of Pittsburgh and Department of Pediatrics, University of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Cheng-Hai Zhang
- Department of Cardiology, Boston Children's Hospital, Boston, MA 02115, USA.,Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA
| | - Niyatie Ammanamanchi
- Richard King Mellon Foundation Institute for Pediatric Research and Division of Cardiology, UPMC Children's Hospital of Pittsburgh and Department of Pediatrics, University of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Sangita Suresh
- Department of Cardiology, Boston Children's Hospital, Boston, MA 02115, USA.,Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA
| | - Christopher Lewarchik
- Richard King Mellon Foundation Institute for Pediatric Research and Division of Cardiology, UPMC Children's Hospital of Pittsburgh and Department of Pediatrics, University of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Krithika Rao
- Richard King Mellon Foundation Institute for Pediatric Research and Division of Cardiology, UPMC Children's Hospital of Pittsburgh and Department of Pediatrics, University of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Gerrida M Uys
- Department of Cardiology, Boston Children's Hospital, Boston, MA 02115, USA.,Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA
| | - Lu Han
- Richard King Mellon Foundation Institute for Pediatric Research and Division of Cardiology, UPMC Children's Hospital of Pittsburgh and Department of Pediatrics, University of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Maryline Abrial
- Department of Cardiology, Boston Children's Hospital, Boston, MA 02115, USA.,Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA
| | - Dean Yimlamai
- Department of Pediatric Gastroenterology, Hepatology and Nutrition, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Balakrishnan Ganapathy
- Richard King Mellon Foundation Institute for Pediatric Research and Division of Cardiology, UPMC Children's Hospital of Pittsburgh and Department of Pediatrics, University of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Christelle Guillermier
- Division of Genetics and Harvard Medical School, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Nathalie Chen
- Richard King Mellon Foundation Institute for Pediatric Research and Division of Cardiology, UPMC Children's Hospital of Pittsburgh and Department of Pediatrics, University of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Mugdha Khaladkar
- Department of Biology, School of Arts and Sciences, University of Pennsylvania, 301A/B Lynch Laboratory, 433 S University Avenue, Philadelphia, PA 19104, USA
| | - Jennifer Spaethling
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - James H Eberwine
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Junhyong Kim
- Department of Biology, School of Arts and Sciences, University of Pennsylvania, 301A/B Lynch Laboratory, 433 S University Avenue, Philadelphia, PA 19104, USA
| | - Stuart Walsh
- Department of Cardiology, Boston Children's Hospital, Boston, MA 02115, USA.,Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA
| | - Sangita Choudhury
- Department of Cardiology, Boston Children's Hospital, Boston, MA 02115, USA.,Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA
| | - Kathryn Little
- Richard King Mellon Foundation Institute for Pediatric Research and Division of Cardiology, UPMC Children's Hospital of Pittsburgh and Department of Pediatrics, University of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Kimberly Francis
- Richard King Mellon Foundation Institute for Pediatric Research and Division of Cardiology, UPMC Children's Hospital of Pittsburgh and Department of Pediatrics, University of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Mahesh Sharma
- Division of Cardiothoracic Surgery, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Melita Viegas
- Pediatric Cardiothoracic Surgery, UPMC Children's Hospital of Pittsburgh and Department of Cardiothoracic Surgery, University of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Abha Bais
- Department of Developmental Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15201, USA
| | - Dennis Kostka
- Department of Developmental Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15201, USA.,Department of Computational & Systems Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA.,Pittsburgh Center for Evolutionary Biology and Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
| | - Jun Ding
- Computational Biology Department and Machine Learning Department, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Ziv Bar-Joseph
- Computational Biology Department and Machine Learning Department, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Yijen Wu
- Department of Developmental Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15201, USA.,Rangos Research Center Animal Imaging Core, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Vijay Yechoor
- Diabetes and Beta Cell Biology Center, Division of Endocrinology, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA 15238, USA
| | - Mousumi Moulik
- Division of Cardiology, Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, PA 15224, USA
| | - Jennifer Johnson
- Division of Cardiology, Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, PA 15224, USA.,Neonatal-Perinatal Medicine, UPMC Magee-Womens Hospital, Pittsburgh, PA 15213, USA
| | - Jacqueline Weinberg
- Division of Cardiology, Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, PA 15224, USA
| | - Miguel Reyes-Múgica
- Division of Pediatric Pathology, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, PA 15224, USA
| | - Matthew L Steinhauser
- Division of Genetics and Harvard Medical School, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Bernhard Kühn
- Richard King Mellon Foundation Institute for Pediatric Research and Division of Cardiology, UPMC Children's Hospital of Pittsburgh and Department of Pediatrics, University of Pittsburgh, Pittsburgh, PA 15224, USA. .,McGowan Institute of Regenerative Medicine, Pittsburgh, PA 15219, USA.,Pediatric Institute for Heart Regeneration and Therapeutics, Pittsburgh, PA 15224, USA
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31
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Li E, Li X, Huang J, Xu C, Liang Q, Ren K, Bai A, Lu C, Qian R, Sun N. BMAL1 regulates mitochondrial fission and mitophagy through mitochondrial protein BNIP3 and is critical in the development of dilated cardiomyopathy. Protein Cell 2020; 11:661-679. [PMID: 32277346 PMCID: PMC7452999 DOI: 10.1007/s13238-020-00713-x] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Accepted: 03/18/2020] [Indexed: 12/18/2022] Open
Abstract
Dysregulation of circadian rhythms associates with cardiovascular disorders. It is known that deletion of the core circadian gene Bmal1 in mice causes dilated cardiomyopathy. However, the biological rhythm regulation system in mouse is very different from that of humans. Whether BMAL1 plays a role in regulating human heart function remains unclear. Here we generated a BMAL1 knockout human embryonic stem cell (hESC) model and further derived human BMAL1 deficient cardiomyocytes. We show that BMAL1 deficient hESC-derived cardiomyocytes exhibited typical phenotypes of dilated cardiomyopathy including attenuated contractility, calcium dysregulation, and disorganized myofilaments. In addition, mitochondrial fission and mitophagy were suppressed in BMAL1 deficient hESC-cardiomyocytes, which resulted in significantly attenuated mitochondrial oxidative phosphorylation and compromised cardiomyocyte function. We also found that BMAL1 binds to the E-box element in the promoter region of BNIP3 gene and specifically controls BNIP3 protein expression. BMAL1 knockout directly reduced BNIP3 protein level, causing compromised mitophagy and mitochondria dysfunction and thereby leading to compromised cardiomyocyte function. Our data indicated that the core circadian gene BMAL1 is critical for normal mitochondria activities and cardiac function. Circadian rhythm disruption may directly link to compromised heart function and dilated cardiomyopathy in humans.
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Affiliation(s)
- Ermin Li
- Department of Physiology and Pathophysiology, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Xiuya Li
- Department of Physiology and Pathophysiology, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Jie Huang
- Department of Physiology and Pathophysiology, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Chen Xu
- Department of Physiology and Pathophysiology, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Qianqian Liang
- Department of Physiology and Pathophysiology, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Kehan Ren
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Aobing Bai
- Department of Physiology and Pathophysiology, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Chao Lu
- Department of Physiology and Pathophysiology, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China.
- Shanghai Key Laboratory of Clinical Geriatric Medicine, Fudan University, Shanghai, 200032, China.
- Research Center on Aging and Medicine, Fudan University, Shanghai, 200032, China.
| | - Ruizhe Qian
- Department of Physiology and Pathophysiology, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China.
- Shanghai Key Laboratory of Clinical Geriatric Medicine, Fudan University, Shanghai, 200032, China.
- Research Center on Aging and Medicine, Fudan University, Shanghai, 200032, China.
| | - Ning Sun
- Department of Physiology and Pathophysiology, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China.
- Shanghai Key Lab of Birth Defect, Children's Hospital of Fudan University, Shanghai, 201102, China.
- Shanghai Key Laboratory of Clinical Geriatric Medicine, Fudan University, Shanghai, 200032, China.
- Research Center on Aging and Medicine, Fudan University, Shanghai, 200032, China.
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32
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Di Bona A, Vita V, Costantini I, Zaglia T. Towards a clearer view of sympathetic innervation of cardiac and skeletal muscles. PROGRESS IN BIOPHYSICS AND MOLECULAR BIOLOGY 2020; 154:80-93. [DOI: 10.1016/j.pbiomolbio.2019.07.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 07/02/2019] [Accepted: 07/11/2019] [Indexed: 02/07/2023]
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33
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Burton RAB, Tomek J, Ambrosi CM, Larsen HE, Sharkey AR, Capel RA, Corbett AD, Bilton S, Klimas A, Stephens G, Cremer M, Bose SJ, Li D, Gallone G, Herring N, Mann EO, Kumar A, Kramer H, Entcheva E, Paterson DJ, Bub G. Optical Interrogation of Sympathetic Neuronal Effects on Macroscopic Cardiomyocyte Network Dynamics. iScience 2020; 23:101334. [PMID: 32674058 PMCID: PMC7363704 DOI: 10.1016/j.isci.2020.101334] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 05/12/2020] [Accepted: 06/26/2020] [Indexed: 12/21/2022] Open
Abstract
Cardiac stimulation via sympathetic neurons can potentially trigger arrhythmias. We present approaches to study neuron-cardiomyocyte interactions involving optogenetic selective probing and all-optical electrophysiology to measure activity in an automated fashion. Here we demonstrate the utility of optical interrogation of sympathetic neurons and their effects on macroscopic cardiomyocyte network dynamics to address research targets such as the effects of adrenergic stimulation via the release of neurotransmitters, the effect of neuronal numbers on cardiac behavior, and the applicability of optogenetics in mechanistic in vitro studies. As arrhythmias are emergent behaviors that involve the coordinated activity of millions of cells, we image at macroscopic scales to capture complex dynamics. We show that neurons can both decrease and increase wave stability and re-entrant activity in culture depending on their induced activity-a finding that may help us understand the often conflicting results seen in experimental and clinical studies.
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Affiliation(s)
- Rebecca-Ann B Burton
- University of Oxford, Department of Pharmacology, Mansfield Road, Oxford OX1 3QT, UK; University of Oxford, Department of Physiology, Anatomy and Genetics, British Heart Foundation Centre of Research Excellence, Parks Road, Oxford OX1 3PT, UK.
| | - Jakub Tomek
- University of Oxford, Department of Physiology, Anatomy and Genetics, British Heart Foundation Centre of Research Excellence, Parks Road, Oxford OX1 3PT, UK
| | - Christina M Ambrosi
- The George Washington University, Department of Biomedical Engineering, Washington, DC 20052, USA
| | - Hege E Larsen
- University of Oxford, Department of Physiology, Anatomy and Genetics, British Heart Foundation Centre of Research Excellence, Parks Road, Oxford OX1 3PT, UK
| | - Amy R Sharkey
- University of Oxford, Department of Physiology, Anatomy and Genetics, British Heart Foundation Centre of Research Excellence, Parks Road, Oxford OX1 3PT, UK
| | - Rebecca A Capel
- University of Oxford, Department of Pharmacology, Mansfield Road, Oxford OX1 3QT, UK
| | | | - Samuel Bilton
- University of Oxford, Department of Physiology, Anatomy and Genetics, British Heart Foundation Centre of Research Excellence, Parks Road, Oxford OX1 3PT, UK
| | - Aleksandra Klimas
- The George Washington University, Department of Biomedical Engineering, Washington, DC 20052, USA
| | - Guy Stephens
- University of Oxford, Department of Physiology, Anatomy and Genetics, British Heart Foundation Centre of Research Excellence, Parks Road, Oxford OX1 3PT, UK
| | - Maegan Cremer
- University of Oxford, Department of Pharmacology, Mansfield Road, Oxford OX1 3QT, UK
| | - Samuel J Bose
- University of Oxford, Department of Pharmacology, Mansfield Road, Oxford OX1 3QT, UK
| | - Dan Li
- University of Oxford, Department of Physiology, Anatomy and Genetics, British Heart Foundation Centre of Research Excellence, Parks Road, Oxford OX1 3PT, UK
| | - Giuseppe Gallone
- University of Oxford, Department of Physiology, Anatomy and Genetics, British Heart Foundation Centre of Research Excellence, Parks Road, Oxford OX1 3PT, UK; Department of Computational Molecular Biology, Max Planck Institute for Molecular Genetics, Ihnestraße 63-73, 14195 Berlin, Germany
| | - Neil Herring
- University of Oxford, Department of Physiology, Anatomy and Genetics, British Heart Foundation Centre of Research Excellence, Parks Road, Oxford OX1 3PT, UK
| | - Edward O Mann
- University of Oxford, Department of Physiology, Anatomy and Genetics, British Heart Foundation Centre of Research Excellence, Parks Road, Oxford OX1 3PT, UK
| | - Abhinav Kumar
- University of Oxford, Department of Biochemistry, Glycobiology Institute, Oxford, UK
| | - Holger Kramer
- University of Oxford, Department of Physiology, Anatomy and Genetics, British Heart Foundation Centre of Research Excellence, Parks Road, Oxford OX1 3PT, UK
| | - Emilia Entcheva
- The George Washington University, Department of Biomedical Engineering, Washington, DC 20052, USA
| | - David J Paterson
- University of Oxford, Department of Physiology, Anatomy and Genetics, British Heart Foundation Centre of Research Excellence, Parks Road, Oxford OX1 3PT, UK
| | - Gil Bub
- University of Oxford, Department of Physiology, Anatomy and Genetics, British Heart Foundation Centre of Research Excellence, Parks Road, Oxford OX1 3PT, UK; McGill University, Department of Physiology, McIntyre Medical Sciences Building, Room 1128, 3655 Promenade Sir William Osler, Montréal, QC H3G 1Y6, Canada.
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34
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Das S, Browne KD, Laimo FA, Maggiore JC, Hilman MC, Kaisaier H, Aguilar CA, Ali ZS, Mourkioti F, Cullen DK. Pre-innervated tissue-engineered muscle promotes a pro-regenerative microenvironment following volumetric muscle loss. Commun Biol 2020; 3:330. [PMID: 32587337 PMCID: PMC7316777 DOI: 10.1038/s42003-020-1056-4] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 06/08/2020] [Indexed: 12/28/2022] Open
Abstract
Volumetric muscle loss (VML) is the traumatic or surgical loss of skeletal muscle beyond the inherent regenerative capacity of the body, generally leading to severe functional deficit. Formation of appropriate somato-motor innervations remains one of the biggest challenges for both autologous grafts as well as tissue-engineered muscle constructs. We aim to address this challenge by developing pre-innervated tissue-engineered muscle comprised of long aligned networks of spinal motor neurons and skeletal myocytes on aligned nanofibrous scaffolds. Motor neurons led to enhanced differentiation and maturation of skeletal myocytes in vitro. These pre-innervated tissue-engineered muscle constructs when implanted in a rat VML model significantly increased satellite cell density, neuromuscular junction maintenance, graft revascularization, and muscle volume over three weeks as compared to myocyte-only constructs and nanofiber scaffolds alone. These pro-regenerative effects may enhance functional neuromuscular regeneration following VML, thereby improving the levels of functional recovery following these devastating injuries.
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Affiliation(s)
- Suradip Das
- Center for Brain Injury & Repair, Department of Neurosurgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Center for Neurotrauma, Neurodegeneration & Restoration, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA, USA
| | - Kevin D Browne
- Center for Brain Injury & Repair, Department of Neurosurgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Center for Neurotrauma, Neurodegeneration & Restoration, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA, USA
| | - Franco A Laimo
- Center for Brain Injury & Repair, Department of Neurosurgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Center for Neurotrauma, Neurodegeneration & Restoration, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA, USA
| | - Joseph C Maggiore
- Center for Neurotrauma, Neurodegeneration & Restoration, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA, USA
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA, USA
| | - Melanie C Hilman
- Center for Neurotrauma, Neurodegeneration & Restoration, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA, USA
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA, USA
| | - Halimulati Kaisaier
- Center for Neurotrauma, Neurodegeneration & Restoration, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA, USA
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA, USA
| | - Carlos A Aguilar
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Zarina S Ali
- Center for Brain Injury & Repair, Department of Neurosurgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Foteini Mourkioti
- Department of Orthopedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Penn Institute for Regenerative Medicine, Musculoskeletal Program, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - D Kacy Cullen
- Center for Brain Injury & Repair, Department of Neurosurgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
- Center for Neurotrauma, Neurodegeneration & Restoration, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA, USA.
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA, USA.
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35
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Das S, Gordián-Vélez WJ, Ledebur HC, Mourkioti F, Rompolas P, Chen HI, Serruya MD, Cullen DK. Innervation: the missing link for biofabricated tissues and organs. NPJ Regen Med 2020; 5:11. [PMID: 32550009 PMCID: PMC7275031 DOI: 10.1038/s41536-020-0096-1] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 04/29/2020] [Indexed: 12/15/2022] Open
Abstract
Innervation plays a pivotal role as a driver of tissue and organ development as well as a means for their functional control and modulation. Therefore, innervation should be carefully considered throughout the process of biofabrication of engineered tissues and organs. Unfortunately, innervation has generally been overlooked in most non-neural tissue engineering applications, in part due to the intrinsic complexity of building organs containing heterogeneous native cell types and structures. To achieve proper innervation of engineered tissues and organs, specific host axon populations typically need to be precisely driven to appropriate location(s) within the construct, often over long distances. As such, neural tissue engineering and/or axon guidance strategies should be a necessary adjunct to most organogenesis endeavors across multiple tissue and organ systems. To address this challenge, our team is actively building axon-based "living scaffolds" that may physically wire in during organ development in bioreactors and/or serve as a substrate to effectively drive targeted long-distance growth and integration of host axons after implantation. This article reviews the neuroanatomy and the role of innervation in the functional regulation of cardiac, skeletal, and smooth muscle tissue and highlights potential strategies to promote innervation of biofabricated engineered muscles, as well as the use of "living scaffolds" in this endeavor for both in vitro and in vivo applications. We assert that innervation should be included as a necessary component for tissue and organ biofabrication, and that strategies to orchestrate host axonal integration are advantageous to ensure proper function, tolerance, assimilation, and bio-regulation with the recipient post-implant.
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Affiliation(s)
- Suradip Das
- Center for Brain Injury & Repair, Department of Neurosurgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA
- Center for Neurotrauma, Neurodegeneration & Restoration, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA USA
| | - Wisberty J. Gordián-Vélez
- Center for Brain Injury & Repair, Department of Neurosurgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA
- Center for Neurotrauma, Neurodegeneration & Restoration, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA USA
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA USA
| | | | - Foteini Mourkioti
- Department of Orthopedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA
- Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA
| | - Panteleimon Rompolas
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA
| | - H. Isaac Chen
- Center for Brain Injury & Repair, Department of Neurosurgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA
- Center for Neurotrauma, Neurodegeneration & Restoration, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA USA
| | - Mijail D. Serruya
- Center for Neurotrauma, Neurodegeneration & Restoration, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA USA
- Department of Neurology, Thomas Jefferson University, Philadelphia, PA USA
| | - D. Kacy Cullen
- Center for Brain Injury & Repair, Department of Neurosurgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA
- Center for Neurotrauma, Neurodegeneration & Restoration, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA USA
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA USA
- Axonova Medical, LLC., Philadelphia, PA USA
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36
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Lee SH, Kim DH. Synapses in the heart: sympathetic neuro-cardiac interaction modulates myocardial remodelling in healthy and diseased myocardium. J Physiol 2019; 597:4441-4442. [PMID: 31339583 DOI: 10.1113/jp278421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Affiliation(s)
- Shin-Haw Lee
- Translational Biology and Engineering Program, Ted Rogers Centre for Heart Research, Toronto, Ontario, Canada, M5G 1M1.,Department of Physiology, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada, M5S 1M8
| | - Da Hye Kim
- Translational Biology and Engineering Program, Ted Rogers Centre for Heart Research, Toronto, Ontario, Canada, M5G 1M1.,Department of Physiology, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada, M5S 1M8
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37
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Pianca N, Di Bona A, Lazzeri E, Costantini I, Franzoso M, Prando V, Armani A, Rizzo S, Fedrigo M, Angelini A, Basso C, Pavone FS, Rubart M, Sacconi L, Zaglia T, Mongillo M. Cardiac sympathetic innervation network shapes the myocardium by locally controlling cardiomyocyte size through the cellular proteolytic machinery. J Physiol 2019; 597:3639-3656. [DOI: 10.1113/jp276200] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 05/21/2019] [Indexed: 01/07/2023] Open
Affiliation(s)
- Nicola Pianca
- Veneto Institute of Molecular Medicine Padova Italy
- Department of Biomedical SciencesUniversity of Padova Padova Italy
| | - Anna Di Bona
- Veneto Institute of Molecular Medicine Padova Italy
- Department of Cardiac, Thoracic, Vascular Sciences and Public HealthUniversity of Padova Padova Italy
| | - Erica Lazzeri
- European Laboratory for Non‐linear SpectroscopyUniversity of Florence Florence Italy
| | - Irene Costantini
- European Laboratory for Non‐linear SpectroscopyUniversity of Florence Florence Italy
- National Institute of Optics, National Research CouncilUniversity of Florence Florence Italy
| | - Mauro Franzoso
- Veneto Institute of Molecular Medicine Padova Italy
- Department of Biomedical SciencesUniversity of Padova Padova Italy
| | - Valentina Prando
- Veneto Institute of Molecular Medicine Padova Italy
- Department of Cardiac, Thoracic, Vascular Sciences and Public HealthUniversity of Padova Padova Italy
| | - Andrea Armani
- Veneto Institute of Molecular Medicine Padova Italy
- Department of Biomedical SciencesUniversity of Padova Padova Italy
| | - Stefania Rizzo
- Department of Cardiac, Thoracic, Vascular Sciences and Public HealthUniversity of Padova Padova Italy
| | - Marny Fedrigo
- Department of Cardiac, Thoracic, Vascular Sciences and Public HealthUniversity of Padova Padova Italy
| | - Annalisa Angelini
- Department of Cardiac, Thoracic, Vascular Sciences and Public HealthUniversity of Padova Padova Italy
| | - Cristina Basso
- Department of Cardiac, Thoracic, Vascular Sciences and Public HealthUniversity of Padova Padova Italy
| | - Francesco S. Pavone
- European Laboratory for Non‐linear SpectroscopyUniversity of Florence Florence Italy
- National Institute of Optics, National Research CouncilUniversity of Florence Florence Italy
- Department of Physics and AstronomyUniversity of Florence Florence Italy
| | - Michael Rubart
- Indiana University School of Medicine Indianapolis IN USA
| | - Leonardo Sacconi
- European Laboratory for Non‐linear SpectroscopyUniversity of Florence Florence Italy
- National Institute of Optics, National Research CouncilUniversity of Florence Florence Italy
| | - Tania Zaglia
- Veneto Institute of Molecular Medicine Padova Italy
- Department of Biomedical SciencesUniversity of Padova Padova Italy
- Department of Cardiac, Thoracic, Vascular Sciences and Public HealthUniversity of Padova Padova Italy
| | - Marco Mongillo
- Veneto Institute of Molecular Medicine Padova Italy
- Department of Biomedical SciencesUniversity of Padova Padova Italy
- CNR Institute of Neuroscience Padova Italy
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38
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Knott MH, Haskell SE, Strawser PE, Rice OM, Bonthius NT, Movva VC, Reinking BE, Roghair RD. Neonatal Growth Restriction Slows Cardiomyocyte Development and Reduces Adult Heart Size. Anat Rec (Hoboken) 2018; 301:1398-1404. [PMID: 29729218 DOI: 10.1002/ar.23851] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Revised: 01/17/2018] [Accepted: 01/25/2018] [Indexed: 12/20/2022]
Abstract
Prematurity is associated with reduced cardiac dimensions and an increased risk of cardiovascular disease. While prematurity is typically associated with ex utero neonatal growth restriction (GR), the independent effect of neonatal GR on cardiac development has not been established. We tested the hypothesis that isolated neonatal GR decreases cardiomyocyte growth and proliferation, leading to long-term alterations in cardiac morphology. C57BL/6 mice were fostered in litters ranging in size from 6 to 12 pups to accentuate normal variation in neonatal growth. Regardless of litter size, GR was defined by a weight below the 10th percentile. On postnatal day 8, Ki67 immunoreactivity, cardiomyocyte nucleation status and cardiomyocyte profile area were assessed. For adult mice, cardiomyocyte area was determined, along with cardiac dimensions by echocardiography and cardiac fibrosis by Masson's trichrome stain. On day 8, cardiomyocytes from GR versus control mice were significantly smaller and less likely to be binucleated with evidence of persistent cell cycle activity. As adults, GR mice continued to have smaller cardiomyocytes, as well as decreased left ventricular volumes without signs of fibrosis. Neonatal GR reduces cardiomyocyte size, delays the completion of binucleation, and leads to long-term alterations in cardiac morphology. Clinical studies are needed to ascertain whether these results translate to preterm infants that must continue to grow and mature in the midst of the increased circulatory demands that accompany their premature transition to an ex utero existence. Anat Rec, 2018. © 2018 Wiley Periodicals, Inc.
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Affiliation(s)
| | - Sarah E Haskell
- Carver College of Medicine, University of Iowa, Iowa City, Iowa
| | | | - Olivia M Rice
- Carver College of Medicine, University of Iowa, Iowa City, Iowa
| | | | - Vani C Movva
- Carver College of Medicine, University of Iowa, Iowa City, Iowa
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39
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Zaglia T, Mongillo M. Cardiac sympathetic innervation, from a different point of (re)view. J Physiol 2018; 595:3919-3930. [PMID: 28240352 DOI: 10.1113/jp273120] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Accepted: 02/23/2017] [Indexed: 12/25/2022] Open
Abstract
The audience of basic and clinical scientists is familiar with the notion that the sympathetic nervous system controls heart function during stresses. However, evidence indicates that the neurogenic control of the heart spans from the maintenance of housekeeping functions in resting conditions to the recruitment of maximal performance, in the fight-or-flight responses, across a whole range of intermediate states. To perform such sophisticated functions, sympathetic ganglia integrate both peripheral and central inputs, and transmit information to the heart via 'motor' neurons, directly interacting with target cardiomyocytes. To date, the dynamics and mode of communication between these two cell types, which determine how neuronal information is adequately translated into the wide spectrum of cardiac responses, are still blurry. By combining the anatomical and structural information brought to light by recent imaging technologies and the functional evidence in cellular systems, we focus on the interface between neurons and cardiomyocytes, and advocate the existence of a specific 'neuro-cardiac junction', where sympathetic neurotransmission occurs in a 'quasi-synaptic' way. The properties of such junctional-type communication fit well with those of the physiological responses elicited by the cardiac sympathetic nervous system, and explain its ability to tune heart function with precision, specificity and elevated temporal resolution.
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Affiliation(s)
- Tania Zaglia
- Department of Cardiac, Thoracic and Vascular Sciences, via Giustiniani 2, 35128, University of Padova, Padova, Italy.,Department of Biomedical Sciences, via Ugo Bassi 58/B, 35131, University of Padova, Padova, Italy.,Venetian Institute of Molecular Medicine, via G.Orus, 2, 35129, Padova, Italy
| | - Marco Mongillo
- Department of Biomedical Sciences, via Ugo Bassi 58/B, 35131, University of Padova, Padova, Italy.,Venetian Institute of Molecular Medicine, via G.Orus, 2, 35129, Padova, Italy.,CNR institute of Neurosciences, viale Colombo 3, 35133, Padova, Italy
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40
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Calderone A. The Biological Role of Nestin (+)-Cells in Physiological and Pathological Cardiovascular Remodeling. Front Cell Dev Biol 2018; 6:15. [PMID: 29492403 PMCID: PMC5817075 DOI: 10.3389/fcell.2018.00015] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2017] [Accepted: 01/31/2018] [Indexed: 01/02/2023] Open
Abstract
The intermediate filament protein nestin was identified in diverse populations of cells implicated in cardiovascular remodeling. Cardiac resident neural progenitor/stem cells constitutively express nestin and following an ischemic insult migrate to the infarct region and participate in angiogenesis and neurogenesis. A modest number of normal adult ventricular fibroblasts express nestin and the intermediate filament protein is upregulated during the progression of reparative and reactive fibrosis. Nestin depletion attenuates cell cycle re-entry suggesting that increased expression of the intermediate filament protein in ventricular fibroblasts may represent an activated phenotype accelerating the biological impact during fibrosis. Nestin immunoreactivity is absent in normal adult rodent ventricular cardiomyocytes. Following ischemic damage, the intermediate filament protein is induced in a modest population of pre-existing adult ventricular cardiomyocytes bordering the peri-infarct/infarct region and nestin(+)-ventricular cardiomyocytes were identified in the infarcted human heart. The appearance of nestin(+)-ventricular cardiomyocytes post-myocardial infarction (MI) recapitulates an embryonic phenotype and depletion of the intermediate filament protein inhibits cell cycle re-entry. Recruitment of the serine/threonine kinase p38 MAPK secondary to an overt inflammatory response after an ischemic insult may represent a seminal event limiting the appearance of nestin(+)-ventricular cardiomyocytes and concomitantly suppressing cell cycle re-entry. Endothelial and vascular smooth muscle cells (VSMCs) express nestin and upregulation of the intermediate filament protein may directly contribute to vascular remodeling. This review will highlight the biological role of nestin(+)-cells during physiological and pathological remodeling of the heart and vasculature and discuss the phenotypic advantage attributed to the intermediate filament protein.
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Affiliation(s)
- Angelino Calderone
- Département de Pharmacologie et Physiologie, Université de Montréal, Montréal, QC, Canada.,Montreal Heart Institute, Montréal, QC, Canada
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Hanna P, Rajendran PS, Ajijola OA, Vaseghi M, Andrew Armour J, Ardell JL, Shivkumar K. Cardiac neuroanatomy - Imaging nerves to define functional control. Auton Neurosci 2017; 207:48-58. [PMID: 28802636 DOI: 10.1016/j.autneu.2017.07.008] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Revised: 07/22/2017] [Accepted: 07/28/2017] [Indexed: 01/08/2023]
Abstract
The autonomic nervous system regulates normal cardiovascular function and plays a critical role in the pathophysiology of cardiovascular disease. Further understanding of the interplay between the autonomic nervous system and cardiovascular system holds promise for the development of neuroscience-based cardiovascular therapeutics. To this end, techniques to image myocardial innervation will help provide a basis for understanding the fundamental underpinnings of cardiac neural control. In this review, we detail the evolution of gross and microscopic anatomical studies for functional mapping of cardiac neuroanatomy.
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Affiliation(s)
- Peter Hanna
- University of California Los Angeles (UCLA) Cardiac Arrhythmia Center and Neurocardiology Research Center of Excellence, David Geffen School of Medicine, UCLA, Los Angeles, CA, USA
| | - Pradeep S Rajendran
- University of California Los Angeles (UCLA) Cardiac Arrhythmia Center and Neurocardiology Research Center of Excellence, David Geffen School of Medicine, UCLA, Los Angeles, CA, USA; Molecular, Cellular & Integrative Physiology Program, David Geffen School of Medicine, UCLA, Los Angeles, CA, USA
| | - Olujimi A Ajijola
- University of California Los Angeles (UCLA) Cardiac Arrhythmia Center and Neurocardiology Research Center of Excellence, David Geffen School of Medicine, UCLA, Los Angeles, CA, USA
| | - Marmar Vaseghi
- University of California Los Angeles (UCLA) Cardiac Arrhythmia Center and Neurocardiology Research Center of Excellence, David Geffen School of Medicine, UCLA, Los Angeles, CA, USA
| | - J Andrew Armour
- University of California Los Angeles (UCLA) Cardiac Arrhythmia Center and Neurocardiology Research Center of Excellence, David Geffen School of Medicine, UCLA, Los Angeles, CA, USA
| | - Jefrrey L Ardell
- University of California Los Angeles (UCLA) Cardiac Arrhythmia Center and Neurocardiology Research Center of Excellence, David Geffen School of Medicine, UCLA, Los Angeles, CA, USA; Molecular, Cellular & Integrative Physiology Program, David Geffen School of Medicine, UCLA, Los Angeles, CA, USA
| | - Kalyanam Shivkumar
- University of California Los Angeles (UCLA) Cardiac Arrhythmia Center and Neurocardiology Research Center of Excellence, David Geffen School of Medicine, UCLA, Los Angeles, CA, USA; Molecular, Cellular & Integrative Physiology Program, David Geffen School of Medicine, UCLA, Los Angeles, CA, USA.
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Kingma JG, Simard D, Rouleau JR. Influence of cardiac nerve status on cardiovascular regulation and cardioprotection. World J Cardiol 2017; 9:508-520. [PMID: 28706586 PMCID: PMC5491468 DOI: 10.4330/wjc.v9.i6.508] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2017] [Revised: 03/22/2017] [Accepted: 04/24/2017] [Indexed: 02/07/2023] Open
Abstract
Neural elements of the intrinsic cardiac nervous system transduce sensory inputs from the heart, blood vessels and other organs to ensure adequate cardiac function on a beat-to-beat basis. This inter-organ crosstalk is critical for normal function of the heart and other organs; derangements within the nervous system hierarchy contribute to pathogenesis of organ dysfunction. The role of intact cardiac nerves in development of, as well as protection against, ischemic injury is of current interest since it may involve recruitment of intrinsic cardiac ganglia. For instance, ischemic conditioning, a novel protection strategy against organ injury, and in particular remote conditioning, is likely mediated by activation of neural pathways or by endogenous cytoprotective blood-borne substances that stimulate different signalling pathways. This discovery reinforces the concept that inter-organ communication, and maintenance thereof, is key. As such, greater understanding of mechanisms and elucidation of treatment strategies is imperative to improve clinical outcomes particularly in patients with comorbidities. For instance, autonomic imbalance between sympathetic and parasympathetic nervous system regulation can initiate cardiovascular autonomic neuropathy that compromises cardiac stability and function. Neuromodulation therapies that directly target the intrinsic cardiac nervous system or other elements of the nervous system hierarchy are currently being investigated for treatment of different maladies in animal and human studies.
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43
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Burnstock G. Purinergic Signaling in the Cardiovascular System. Circ Res 2017; 120:207-228. [PMID: 28057794 DOI: 10.1161/circresaha.116.309726] [Citation(s) in RCA: 271] [Impact Index Per Article: 38.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2016] [Revised: 11/21/2016] [Accepted: 11/23/2016] [Indexed: 02/07/2023]
Abstract
There is nervous control of the heart by ATP as a cotransmitter in sympathetic, parasympathetic, and sensory-motor nerves, as well as in intracardiac neurons. Centers in the brain control heart activities and vagal cardiovascular reflexes involve purines. Adenine nucleotides and nucleosides act on purinoceptors on cardiomyocytes, AV and SA nodes, cardiac fibroblasts, and coronary blood vessels. Vascular tone is controlled by a dual mechanism. ATP, released from perivascular sympathetic nerves, causes vasoconstriction largely via P2X1 receptors. Endothelial cells release ATP in response to changes in blood flow (via shear stress) or hypoxia, to act on P2 receptors on endothelial cells to produce nitric oxide, endothelium-derived hyperpolarizing factor, or prostaglandins to cause vasodilation. ATP is also released from sensory-motor nerves during antidromic reflex activity, to produce relaxation of some blood vessels. Purinergic signaling is involved in the physiology of erythrocytes, platelets, and leukocytes. ATP is released from erythrocytes and platelets, and purinoceptors and ectonucleotidases are expressed by these cells. P1, P2Y1, P2Y12, and P2X1 receptors are expressed on platelets, which mediate platelet aggregation and shape change. Long-term (trophic) actions of purine and pyrimidine nucleosides and nucleotides promote migration and proliferation of vascular smooth muscle and endothelial cells via P1 and P2Y receptors during angiogenesis, vessel remodeling during restenosis after angioplasty and atherosclerosis. The involvement of purinergic signaling in cardiovascular pathophysiology and its therapeutic potential are discussed, including heart failure, infarction, arrhythmias, syncope, cardiomyopathy, angina, heart transplantation and coronary bypass grafts, coronary artery disease, diabetic cardiomyopathy, hypertension, ischemia, thrombosis, diabetes mellitus, and migraine.
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Affiliation(s)
- Geoffrey Burnstock
- From the Autonomic Neuroscience Institute, Royal Free and University College Medical School, London, United Kingdom.
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44
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Sympathetic neurons are a powerful driver of myocyte function in cardiovascular disease. Sci Rep 2016; 6:38898. [PMID: 27966588 PMCID: PMC5155272 DOI: 10.1038/srep38898] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Accepted: 11/15/2016] [Indexed: 01/23/2023] Open
Abstract
Many therapeutic interventions in disease states of heightened cardiac sympathetic activity are targeted to the myocytes. However, emerging clinical data highlights a dominant role in disease progression by the neurons themselves. Here we describe a novel experimental model of the peripheral neuro-cardiac axis to study the neuron’s ability to drive a myocyte cAMP phenotype. We employed a co-culture of neonatal ventricular myocytes and sympathetic stellate neurons from normal (WKY) and pro-hypertensive (SHR) rats that are sympathetically hyper-responsive and measured nicotine evoked cAMP responses in the myocytes using a fourth generation FRET cAMP sensor. We demonstrated the dominant role of neurons in driving the myocyte ß-adrenergic phenotype, where SHR cultures elicited heightened myocyte cAMP responses during neural activation. Moreover, cross-culturing healthy neurons onto diseased myocytes rescued the diseased cAMP response of the myocyte. Conversely, healthy myocytes developed a diseased cAMP response if diseased neurons were introduced. Our results provide evidence for a dominant role played by the neuron in driving the adrenergic phenotype seen in cardiovascular disease. We also highlight the potential of using healthy neurons to turn down the gain of neurotransmission, akin to a smart pre-synaptic ß-blocker.
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Coskun V, Lombardo DM. Studying the pathophysiologic connection between cardiovascular and nervous systems using stem cells. J Neurosci Res 2016; 94:1499-1510. [PMID: 27629698 DOI: 10.1002/jnr.23924] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 08/25/2016] [Accepted: 08/25/2016] [Indexed: 12/17/2022]
Abstract
The cardiovascular and nervous systems are deeply connected during development, health, and disease. Both systems affect and regulate the development of each other during embryogenesis and the early postnatal period. Specialized neural crest cells contribute to cardiac structures, and a number of growth factors released from the cardiac tissue (e.g., glial cell line-derived neurotrophic factor, neurturin, nerve growth factor, Neurotrophin-3) ensure proper maturation of the incoming parasympathetic and sympathetic neurons. Physiologically, the cardiovascular and nervous systems operate in harmony to adapt to various physical and emotional conditions to maintain homeostasis through sympathetic and parasympathetic nervous systems. Moreover, neurocardiac regulation involves a neuroaxis consisting of cortex, amygdala, and other subcortical structures, which have the ability to modify lower-level neurons in the hierarchy. Given the interconnectivity of cardiac and neural systems, when one undergoes pathological changes, the other is affected to a certain extent. In addition, there are specific neurocardiac diseases that affect both systems simultaneously, such as Huntington disease, Lewy body diseases, Friedreich ataxia, congenital heart diseases, Danon disease, and Timothy syndrome. Over the last decade, in vitro modeling of neurocardiac diseases using induced pluripotent stem cells (iPSCs) has provided an invaluable opportunity to elevate our knowledge about the brain-heart connection, since previously primary cardiomyocytes and neurons had been extremely difficult to maintain long-term in vitro. Ultimately, the ability of iPSC technology to model abnormal functional phenotypes of human neurocardiac disorders, combined with the ease of therapeutic screening using this approach, will transform patient care through personalized medicine in the future. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Volkan Coskun
- Department of Medicine, Division of Cardiology, University of California, Irvine, Irvine, California.
| | - Dawn M Lombardo
- Department of Medicine, Division of Cardiology, University of California, Irvine, Irvine, California
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46
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Habecker BA, Anderson ME, Birren SJ, Fukuda K, Herring N, Hoover DB, Kanazawa H, Paterson DJ, Ripplinger CM. Molecular and cellular neurocardiology: development, and cellular and molecular adaptations to heart disease. J Physiol 2016; 594:3853-75. [PMID: 27060296 DOI: 10.1113/jp271840] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Accepted: 03/15/2016] [Indexed: 12/12/2022] Open
Abstract
The nervous system and cardiovascular system develop in concert and are functionally interconnected in both health and disease. This white paper focuses on the cellular and molecular mechanisms that underlie neural-cardiac interactions during development, during normal physiological function in the mature system, and during pathological remodelling in cardiovascular disease. The content on each subject was contributed by experts, and we hope that this will provide a useful resource for newcomers to neurocardiology as well as aficionados.
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Affiliation(s)
- Beth A Habecker
- Department of Physiology and Pharmacology, Department of Medicine Division of Cardiovascular Medicine and Knight Cardiovascular Institute, Oregon Health and Science University, Portland, OR, 97239, USA
| | - Mark E Anderson
- Johns Hopkins Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD, 21287, USA
| | - Susan J Birren
- Department of Biology, Volen Center for Complex Systems, Brandeis University, Waltham, MA, 02453, USA
| | - Keiichi Fukuda
- Department of Cardiology, Keio University School of Medicine, 35-Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Neil Herring
- Burdon Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Parks Road, Oxford, OX1 3PT, UK
| | - Donald B Hoover
- Department of Biomedical Sciences, Center of Excellence in Inflammation, Infectious Disease and Immunity, James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN, 37614, USA
| | - Hideaki Kanazawa
- Department of Cardiology, Keio University School of Medicine, 35-Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - David J Paterson
- Burdon Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Parks Road, Oxford, OX1 3PT, UK
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Ellen Kreipke R, Wang Y, Miklas JW, Mathieu J, Ruohola-Baker H. Metabolic remodeling in early development and cardiomyocyte maturation. Semin Cell Dev Biol 2016; 52:84-92. [PMID: 26912118 DOI: 10.1016/j.semcdb.2016.02.004] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Revised: 01/22/2016] [Accepted: 02/01/2016] [Indexed: 12/17/2022]
Abstract
Aberrations in metabolism contribute to a large number of diseases, such as diabetes, obesity, cancer, and cardiovascular diseases, that have a substantial impact on the mortality rates and quality of life worldwide. However, the mechanisms leading to these changes in metabolic state--and whether they are conserved between diseases--is not well understood. Changes in metabolism similar to those seen in pathological conditions are observed during normal development in a number of different cell types. This provides hope that understanding the mechanism of these metabolic switches in normal development may provide useful insight in correcting them in pathological cases. Here, we focus on the metabolic remodeling observed both in early stage embryonic stem cells and during the maturation of cardiomyocytes.
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Affiliation(s)
- Rebecca Ellen Kreipke
- Department of Biochemistry, University of Washington, School of Medicine, Seattle, WA 98195, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, School of Medicine, Seattle, WA 98109, USA
| | - Yuliang Wang
- Institute for Stem Cell and Regenerative Medicine, University of Washington, School of Medicine, Seattle, WA 98109, USA; Department of Biomedical Engineering, Oregon Health & Science University, Portland, OR 97239, USA; Computational Biology Program, Oregon Health & Science University, Portland, OR 97239, USA
| | - Jason Wayne Miklas
- Institute for Stem Cell and Regenerative Medicine, University of Washington, School of Medicine, Seattle, WA 98109, USA; Department of Bioengineering, University of Washington, Seattle, WA 98195, USA
| | - Julie Mathieu
- Department of Biochemistry, University of Washington, School of Medicine, Seattle, WA 98195, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, School of Medicine, Seattle, WA 98109, USA
| | - Hannele Ruohola-Baker
- Department of Biochemistry, University of Washington, School of Medicine, Seattle, WA 98195, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, School of Medicine, Seattle, WA 98109, USA; Department of Bioengineering, University of Washington, Seattle, WA 98195, USA.
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