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Bonilla IM, Baine S, Pokrass A, Mariángelo JIE, Kalyanasundaram A, Bogdanov V, Mezache L, Sakuta G, Beard CM, Belevych A, Tikunova S, Terentyeva R, Terentyev D, Davis J, Veeraraghavan R, Carnes CA, Györke S. STIM1 ablation impairs exercise-induced physiological cardiac hypertrophy and dysregulates autophagy in mouse hearts. J Appl Physiol (1985) 2023; 134:1287-1299. [PMID: 36995910 PMCID: PMC10190841 DOI: 10.1152/japplphysiol.00363.2022] [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: 07/05/2022] [Revised: 03/13/2023] [Accepted: 03/21/2023] [Indexed: 03/31/2023] Open
Abstract
Cardiac stromal interaction molecule 1 (STIM1), a key mediator of store-operated Ca2+ entry (SOCE), is a known determinant of cardiomyocyte pathological growth in hypertrophic cardiomyopathy. We examined the role of STIM1 and SOCE in response to exercise-dependent physiological hypertrophy. Wild-type (WT) mice subjected to exercise training (WT-Ex) showed a significant increase in exercise capacity and heart weight compared with sedentary (WT-Sed) mice. Moreover, myocytes from WT-Ex hearts displayed an increase in length, but not width, compared with WT-Sed myocytes. Conversely, exercised cardiac-specific STIM1 knock-out mice (cSTIM1KO-Ex), although displaying significant increase in heart weight and cardiac dilation, evidenced no changes in myocyte size and displayed a decreased exercise capacity, impaired cardiac function, and premature death compared with sedentary cardiac-specific STIM1 knock-out mice (cSTIM1KO-Sed). Confocal Ca2+ imaging demonstrated enhanced SOCE in WT-Ex myocytes compared with WT-Sed myocytes with no measurable SOCE detected in cSTIM1KO myocytes. Exercise training induced a significant increase in cardiac phospho-Akt Ser473 in WT mice but not in cSTIM1KO mice. No differences were observed in phosphorylation of mammalian target of rapamycin (mTOR) and glycogen synthase kinase (GSK) in exercised versus sedentary cSTIM1KO mice hearts. cSTIM1KO-Sed mice showed increased basal MAPK phosphorylation compared with WT-Sed that was not altered by exercise training. Finally, histological analysis revealed exercise resulted in increased autophagy in cSTIM1KO but not in WT myocytes. Taken together, our results suggest that adaptive cardiac hypertrophy in response to exercise training involves STIM1-mediated SOCE. Our results demonstrate that STIM1 is involved in and essential for the myocyte longitudinal growth and mTOR activation in response to endurance exercise training.NEW & NOTEWORTHY Store-operated Ca2+ entry (SOCE) has been implicated in pathological cardiac hypertrophy; however, its role in physiological hypertrophy is unknown. Here we report that SOCE is also essential for physiological cardiac hypertrophy and functional adaptations in response to endurance exercise. These adaptations were associated with activation of AKT/mTOR pathway and curtailed cardiac autophagy and degeneration. Thus, SOCE is a common mechanism and an important bifurcation point for signaling paths involved in physiological and pathological hypertrophy.
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Affiliation(s)
- Ingrid M Bonilla
- Department of Physiology and Cell Biology, College of Medicine, The Ohio State University, Columbus, Ohio, United States
- Veterans Affairs Caribbean Healthcare System, San Juan, Puerto Rico, United States
- Department of Pharmacology and Toxicology, School of Medicine, University of Puerto Rico, San Juan, Puerto Rico, United States
| | - Stephen Baine
- Department of Pharmacology, College of Pharmacy, The Ohio State University, Columbus, Ohio, United States
| | - Anastasia Pokrass
- Department of Physiology and Cell Biology, College of Medicine, The Ohio State University, Columbus, Ohio, United States
| | - Juan Ignacio Elio Mariángelo
- Department of Physiology and Cell Biology, College of Medicine, The Ohio State University, Columbus, Ohio, United States
| | - Anuradha Kalyanasundaram
- Department of Physiology and Cell Biology, College of Medicine, The Ohio State University, Columbus, Ohio, United States
- Bob and Corrine Frick Center for Heart Failure and Arrhythmia, Dorothy M. Davis Heart & Lung Research Institute, Columbus, Ohio, United States
| | - Vladimir Bogdanov
- Department of Physiology and Cell Biology, College of Medicine, The Ohio State University, Columbus, Ohio, United States
| | - Louisa Mezache
- Department of Biomedical Engineering, College of Engineering, The Ohio State University, Columbus, Ohio, United States
| | - Galina Sakuta
- Department of Physiology and Cell Biology, College of Medicine, The Ohio State University, Columbus, Ohio, United States
| | - Casey M Beard
- Department of Physiology and Cell Biology, College of Medicine, The Ohio State University, Columbus, Ohio, United States
| | - Andriy Belevych
- Department of Physiology and Cell Biology, College of Medicine, The Ohio State University, Columbus, Ohio, United States
| | - Svetlana Tikunova
- Department of Physiology and Cell Biology, College of Medicine, The Ohio State University, Columbus, Ohio, United States
| | - Radmila Terentyeva
- Department of Physiology and Cell Biology, College of Medicine, The Ohio State University, Columbus, Ohio, United States
| | - Dmitry Terentyev
- Department of Physiology and Cell Biology, College of Medicine, The Ohio State University, Columbus, Ohio, United States
| | - Jonathan Davis
- Department of Physiology and Cell Biology, College of Medicine, The Ohio State University, Columbus, Ohio, United States
| | - Rengasayee Veeraraghavan
- Department of Biomedical Engineering, College of Engineering, The Ohio State University, Columbus, Ohio, United States
| | - Cynthia A Carnes
- Department of Pharmacology, College of Pharmacy, The Ohio State University, Columbus, Ohio, United States
| | - Sandor Györke
- Department of Physiology and Cell Biology, College of Medicine, The Ohio State University, Columbus, Ohio, United States
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Sanchis-Gomar F, Arnau-Moyano M, Daimiel L, Lippi G, Leischik R, Vallecillo N, Yvert T, Jiménez SL, Santiago C, Pareja-Galeano H. Circulating microRNAs fluctuations in exercise-induced cardiac remodeling: A systematic review. Am J Transl Res 2021; 13:13298-13309. [PMID: 35035676 PMCID: PMC8748080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 10/30/2021] [Indexed: 06/14/2023]
Abstract
MicroRNAs (miRNAs) are small non-coding RNAs that participate in gene expression regulation. It has been observed that circulating levels of miRNAs may fluctuate during exercise, showing numerous cardiac biological and physiological effects such as structural and functional adaptations. We aimed to provide an overview of the currently available information concerning the role of circulating miRNAs in cardiovascular adaptations in response to acute and/or chronic exercise training. Relevant studies published were searched in three databases: PubMed, Web of Science and Scopus. A combination of the following keywords was used: ("microRNA" OR "miRNA" OR "miR" AND "exercise" OR "training" OR "physical activity") AND "(heart hypertrophy" OR "cardiac remodeling" OR "cardiac muscle mass" OR "cardiac hypertrophy"). Only experimental studies, written in English and conducted in healthy individuals were included. Five articles met the inclusion criteria and were finally included in this systematic review after reviewing both title, abstract and full-text. A total of thirty-six circulating cardiac-related miRNAs were analyzed, but only five of them (miR-1, miR-133a, miR-146a, miR-206 and miR-221) were directly associated with cardiac adaptations parameters, while two of them (miR-1 and miR-133a) were related to cardiac hypertrophy. Most of them were upregulated immediately after a marathon and returned to basal levels at longer times. Therefore, we conclude that, although evidence is still limited, and long-term studies are needed to obtain more robust evidence, exercise is more likely to affect circulating cardiac-related miRNAs levels.
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Affiliation(s)
- Fabian Sanchis-Gomar
- Department of Physiology, Faculty of Medicine, University of Valencia and INCLIVA Biomedical Research InstituteValencia, Spain
| | | | - Lidia Daimiel
- Nutritional Control of The Epigenome Group, Instituto Madrileño de Estudios Avanzados (IMDEA) Food, CEI UAM+CSICMadrid 28049, Spain
| | - Giuseppe Lippi
- Section of Clinical Biochemistry, University of VeronaVerona, Italy
| | - Roman Leischik
- School of Medicine, Faculty of Health, Witten/Herdecke UniversityWitten, Germany
| | - Néstor Vallecillo
- Faculty of Biomedical and Health Sciences, Universidad Europea de MadridMadrid, Spain
| | - Thomas Yvert
- Faculty of Sport Sciences, Universidad Europea de MadridMadrid, Spain
| | - Sergio L Jiménez
- Centre for Sport Studies, Rey Juan Carlos UniversityMadrid, Spain
| | - Catalina Santiago
- Faculty of Sport Sciences, Universidad Europea de MadridMadrid, Spain
| | - Helios Pareja-Galeano
- Department of Physical Education, Sport and Human Movement, Universidad Autónoma de MadridMadrid, Spain
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The mitochondrial signaling peptide MOTS-c improves myocardial performance during exercise training in rats. Sci Rep 2021; 11:20077. [PMID: 34635713 PMCID: PMC8505603 DOI: 10.1038/s41598-021-99568-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Accepted: 09/22/2021] [Indexed: 01/01/2023] Open
Abstract
Cardiac remodeling is a physiological adaptation to aerobic exercise and which is characterized by increases in ventricular volume and the number of cardiomyocytes. The mitochondrial derived peptide MOTS-c functions as an important regulator in physical capacity and performance. Exercise elevates levels of endogenous MOTS-c in circulation and in myocardium, while MOTS-c can significantly enhance exercise capacity. However, the effects of aerobic exercise combined with MOTS-c on cardiac structure and function are unclear. We used pressure–volume conductance catheter technique to examine cardiac function in exercised rats with and without treatment with MOTS-c. Surprisingly, MOTS-c improved myocardial mechanical efficiency, enhanced cardiac systolic function, and had a tendency to improve the diastolic function. The findings suggest that using exercise supplements could be used to modulate the cardiovascular benefits of athletic training.
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Bo B, Li S, Zhou K, Wei J. The Regulatory Role of Oxygen Metabolism in Exercise-Induced Cardiomyocyte Regeneration. Front Cell Dev Biol 2021; 9:664527. [PMID: 33937268 PMCID: PMC8083961 DOI: 10.3389/fcell.2021.664527] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 03/29/2021] [Indexed: 11/16/2022] Open
Abstract
During heart failure, the heart is unable to regenerate lost or damaged cardiomyocytes and is therefore unable to generate adequate cardiac output. Previous research has demonstrated that cardiac regeneration can be promoted by a hypoxia-related oxygen metabolic mechanism. Numerous studies have indicated that exercise plays a regulatory role in the activation of regeneration capacity in both healthy and injured adult cardiomyocytes. However, the role of oxygen metabolism in regulating exercise-induced cardiomyocyte regeneration is unclear. This review focuses on the alteration of the oxygen environment and metabolism in the myocardium induced by exercise, including the effects of mild hypoxia, changes in energy metabolism, enhanced elimination of reactive oxygen species, augmentation of antioxidative capacity, and regulation of the oxygen-related metabolic and molecular pathway in the heart. Deciphering the regulatory role of oxygen metabolism and related factors during and after exercise in cardiomyocyte regeneration will provide biological insight into endogenous cardiac repair mechanisms. Furthermore, this work provides strong evidence for exercise as a cost-effective intervention to improve cardiomyocyte regeneration and restore cardiac function in this patient population.
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Affiliation(s)
- Bing Bo
- Kinesiology Department, School of Physical Education, Henan University, Kaifeng, China.,Sports Reform and Development Research Center, School of Physical Education, Henan University, Kaifeng, China
| | - Shuangshuang Li
- Kinesiology Department, School of Physical Education, Henan University, Kaifeng, China
| | - Ke Zhou
- Kinesiology Department, School of Physical Education, Henan University, Kaifeng, China.,Sports Reform and Development Research Center, School of Physical Education, Henan University, Kaifeng, China
| | - Jianshe Wei
- Institute for Brain Sciences Research, School of Life Sciences, Henan University, Kaifeng, China
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Bo B, Zhou Y, Zheng Q, Wang G, Zhou K, Wei J. The Molecular Mechanisms Associated with Aerobic Exercise-Induced Cardiac Regeneration. Biomolecules 2020; 11:biom11010019. [PMID: 33375497 PMCID: PMC7823705 DOI: 10.3390/biom11010019] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 12/20/2020] [Accepted: 12/24/2020] [Indexed: 12/13/2022] Open
Abstract
The leading cause of heart failure is cardiomyopathy and damage to the cardiomyocytes. Adult mammalian cardiomyocytes have the ability to regenerate, but this cannot wholly compensate for myocardial cell loss after myocardial injury. Studies have shown that exercise has a regulatory role in the activation and promotion of regeneration of healthy and injured adult cardiomyocytes. However, current research on the effects of aerobic exercise in myocardial regeneration is not comprehensive. This review discusses the relationships between aerobic exercise and the regeneration of cardiomyocytes with respect to complex molecular and cellular mechanisms, paracrine factors, transcriptional factors, signaling pathways, and microRNAs that induce cardiac regeneration. The topics discussed herein provide a knowledge base for physical activity-induced cardiomyocyte regeneration, in which exercise enhances overall heart function and improves the efficacy of cardiac rehabilitation.
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Affiliation(s)
- Bing Bo
- School of Physical Education, Henan University, Kaifeng 475001, Henan, China; (B.B.); (Y.Z.); (Q.Z.); (G.W.); (K.Z.)
- Sports Reform and Development Research Center, Henan University, Kaifeng 475001, Henan, China
- School of Life Sciences, Henan University, Kaifeng 475001, Henan, China
| | - Yang Zhou
- School of Physical Education, Henan University, Kaifeng 475001, Henan, China; (B.B.); (Y.Z.); (Q.Z.); (G.W.); (K.Z.)
| | - Qingyun Zheng
- School of Physical Education, Henan University, Kaifeng 475001, Henan, China; (B.B.); (Y.Z.); (Q.Z.); (G.W.); (K.Z.)
- Sports Reform and Development Research Center, Henan University, Kaifeng 475001, Henan, China
| | - Guandong Wang
- School of Physical Education, Henan University, Kaifeng 475001, Henan, China; (B.B.); (Y.Z.); (Q.Z.); (G.W.); (K.Z.)
| | - Ke Zhou
- School of Physical Education, Henan University, Kaifeng 475001, Henan, China; (B.B.); (Y.Z.); (Q.Z.); (G.W.); (K.Z.)
- Sports Reform and Development Research Center, Henan University, Kaifeng 475001, Henan, China
| | - Jianshe Wei
- School of Life Sciences, Henan University, Kaifeng 475001, Henan, China
- Correspondence: ; Tel.: +86-13938625812
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Molecular Mechanisms of Cardiac Remodeling and Regeneration in Physical Exercise. Cells 2019; 8:cells8101128. [PMID: 31547508 PMCID: PMC6829258 DOI: 10.3390/cells8101128] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 09/19/2019] [Accepted: 09/19/2019] [Indexed: 02/08/2023] Open
Abstract
Regular physical activity with aerobic and muscle-strengthening training protects against the occurrence and progression of cardiovascular disease and can improve cardiac function in heart failure patients. In the past decade significant advances have been made in identifying mechanisms of cardiomyocyte re-programming and renewal including an enhanced exercise-induced proliferational capacity of cardiomyocytes and its progenitor cells. Various intracellular mechanisms mediating these positive effects on cardiac function have been found in animal models of exercise and will be highlighted in this review. 1) activation of extracellular and intracellular signaling pathways including phosphatidylinositol 3 phosphate kinase (PI3K)/protein kinase B (AKT)/mammalian target of rapamycin (mTOR), EGFR/JNK/SP-1, nitric oxide (NO)-signaling, and extracellular vesicles; 2) gene expression modulation via microRNAs (miR), in particular via miR-17-3p and miR-222; and 3) modulation of cardiac cellular metabolism and mitochondrial adaption. Understanding the cellular mechanisms, which generate an exercise-induced cardioprotective cellular phenotype with physiological hypertrophy and enhanced proliferational capacity may give rise to novel therapeutic targets. These may open up innovative strategies to preserve cardiac function after myocardial injury as well as in aged cardiac tissue.
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