1
|
Bréhat J, Leick S, Musman J, Su JB, Eychenne N, Giton F, Rivard M, Barel LA, Tropeano C, Vitarelli F, Caccia C, Leoni V, Ghaleh B, Pons S, Morin D. Identification of a mechanism promoting mitochondrial sterol accumulation during myocardial ischemia-reperfusion: role of TSPO and STAR. Basic Res Cardiol 2024; 119:481-503. [PMID: 38517482 DOI: 10.1007/s00395-024-01043-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 02/16/2024] [Accepted: 02/19/2024] [Indexed: 03/24/2024]
Abstract
Hypercholesterolemia is a major risk factor for coronary artery diseases and cardiac ischemic events. Cholesterol per se could also have negative effects on the myocardium, independently from hypercholesterolemia. Previously, we reported that myocardial ischemia-reperfusion induces a deleterious build-up of mitochondrial cholesterol and oxysterols, which is potentiated by hypercholesterolemia and prevented by translocator protein (TSPO) ligands. Here, we studied the mechanism by which sterols accumulate in cardiac mitochondria and promote mitochondrial dysfunction. We performed myocardial ischemia-reperfusion in rats to evaluate mitochondrial function, TSPO, and steroidogenic acute regulatory protein (STAR) levels and the related mitochondrial concentrations of sterols. Rats were treated with the cholesterol synthesis inhibitor pravastatin or the TSPO ligand 4'-chlorodiazepam. We used Tspo deleted rats, which were phenotypically characterized. Inhibition of cholesterol synthesis reduced mitochondrial sterol accumulation and protected mitochondria during myocardial ischemia-reperfusion. We found that cardiac mitochondrial sterol accumulation is the consequence of enhanced influx of cholesterol and not of the inhibition of its mitochondrial metabolism during ischemia-reperfusion. Mitochondrial cholesterol accumulation at reperfusion was related to an increase in mitochondrial STAR but not to changes in TSPO levels. 4'-Chlorodiazepam inhibited this mechanism and prevented mitochondrial sterol accumulation and mitochondrial ischemia-reperfusion injury, underlying the close cooperation between STAR and TSPO. Conversely, Tspo deletion, which did not alter cardiac phenotype, abolished the effects of 4'-chlorodiazepam. This study reveals a novel mitochondrial interaction between TSPO and STAR to promote cholesterol and deleterious sterol mitochondrial accumulation during myocardial ischemia-reperfusion. This interaction regulates mitochondrial homeostasis and plays a key role during mitochondrial injury.
Collapse
Affiliation(s)
- Juliette Bréhat
- INSERM U955-IMRB, Team Ghaleh, UPEC, Ecole Nationale Vétérinaire d'Alfort, Faculté de Santé, 8 rue du général Sarrail, 94000, Créteil, France
| | - Shirin Leick
- INSERM U955-IMRB, Team Ghaleh, UPEC, Ecole Nationale Vétérinaire d'Alfort, Faculté de Santé, 8 rue du général Sarrail, 94000, Créteil, France
| | - Julien Musman
- INSERM U955-IMRB, Team Ghaleh, UPEC, Ecole Nationale Vétérinaire d'Alfort, Faculté de Santé, 8 rue du général Sarrail, 94000, Créteil, France
| | - Jin Bo Su
- INSERM U955-IMRB, Team Ghaleh, UPEC, Ecole Nationale Vétérinaire d'Alfort, Faculté de Santé, 8 rue du général Sarrail, 94000, Créteil, France
| | | | - Frank Giton
- Pôle Biologie-Pathologie, IMRB U955, Hôpital Henri Mondor, Créteil, France
| | | | | | - Chiara Tropeano
- Laboratory of Clinical Chemistry, ASST-Brianza Department of Medicine and Surgery, Hospital Pio XI Desio, University of Milano Bicocca, Monza, Italy
| | - Frederica Vitarelli
- Laboratory of Clinical Chemistry, ASST-Brianza Department of Medicine and Surgery, Hospital Pio XI Desio, University of Milano Bicocca, Monza, Italy
| | - Claudio Caccia
- Unit of Medical Genetics and Neurogenetics, Istituto Neurologico Carlo Besta, Fondazione IRCCS, Milan, Italy
| | - Valerio Leoni
- Laboratory of Clinical Chemistry, ASST-Brianza Department of Medicine and Surgery, Hospital Pio XI Desio, University of Milano Bicocca, Monza, Italy
| | - Bijan Ghaleh
- INSERM U955-IMRB, Team Ghaleh, UPEC, Ecole Nationale Vétérinaire d'Alfort, Faculté de Santé, 8 rue du général Sarrail, 94000, Créteil, France
| | - Sandrine Pons
- INSERM U955-IMRB, Team Ghaleh, UPEC, Ecole Nationale Vétérinaire d'Alfort, Faculté de Santé, 8 rue du général Sarrail, 94000, Créteil, France
| | - Didier Morin
- INSERM U955-IMRB, Team Ghaleh, UPEC, Ecole Nationale Vétérinaire d'Alfort, Faculté de Santé, 8 rue du général Sarrail, 94000, Créteil, France.
| |
Collapse
|
2
|
Ankrah PK, Mensah ED, Dabie K, Mensah C, Akangbe B, Essuman J. Harnessing Genetics to Extend Lifespan and Healthspan: Current Progress and Future Directions. Cureus 2024; 16:e55495. [PMID: 38571872 PMCID: PMC10990068 DOI: 10.7759/cureus.55495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/04/2024] [Indexed: 04/05/2024] Open
Abstract
Aging is inevitable, but the lifespan (duration of life) and healthspan (healthy aging) vary greatly among individuals and across species. Unlocking the secrets behind these differences has captivated scientific curiosity for ages. This review presents relevant recent advances in genetics and cell biology that are shedding new light by untangling how subtle changes in conserved genes, pathways, and epigenetic factors influence organismal senescence and associated declines. Biogerontology is a complex and rapidly growing field aimed at elucidating genetic modifications that extend lifespan and healthspan. This review explores gerontogenes, genes influencing lifespan and healthspan across species. Though subtle differences exist, long-lived individuals such as centenarians demonstrate extended healthspans, and numerous studies confirm the heritability of longevity/healthspan genes. Importantly, genes and gerontogenes are directly and indirectly involved in DNA repair, insulin/IGF-1 and mTOR signaling pathways, long non-coding RNAs, sirtuins, and heat shock proteins. The complex interactions between genetics and epigenetics are teased apart. While more research into optimizing healthspan is needed, conserved gerontogenes offer synergistic potential to forestall aging and age-related diseases. Understanding complex longevity genetics brings closer the goal of extending not only lifespan but quality years of life. The primary aim of human Biogerontology is to enhance lifespan and healthspan, but the question remains: are current genetic modifications effectively promoting healthy aging? This article collates the advancements in gerontogenes that enhance lifespan and improve healthspan alongside their potential challenges.
Collapse
Affiliation(s)
| | - Enock D Mensah
- Chemistry, Virginia Polytechnic Institute and State University, Blacksburg, USA
| | - Kwabena Dabie
- Chemistry and Chemical Biology, University of New Mexico, Albuquerque, USA
| | - Caleb Mensah
- Translational Biology, Medicine and Health, Virginia Polytechnic Institute and State University, Blacksburg, USA
| | | | - Jonathan Essuman
- School of Molecular Sciences, Arizona State University, Tempe, USA
| |
Collapse
|
3
|
Li D, Li Y, Ding H, Wang Y, Xie Y, Zhang X. Cellular Senescence in Cardiovascular Diseases: From Pathogenesis to Therapeutic Challenges. J Cardiovasc Dev Dis 2023; 10:439. [PMID: 37887886 PMCID: PMC10607269 DOI: 10.3390/jcdd10100439] [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: 09/16/2023] [Revised: 10/17/2023] [Accepted: 10/19/2023] [Indexed: 10/28/2023] Open
Abstract
Cellular senescence (CS), classically considered a stable cell cycle withdrawal, is hallmarked by a progressive decrease in cell growth, differentiation, and biological activities. Senescent cells (SNCs) display a complicated senescence-associated secretory phenotype (SASP), encompassing a variety of pro-inflammatory factors that exert influence on the biology of both the cell and surrounding tissue. Among global mortality causes, cardiovascular diseases (CVDs) stand out, significantly impacting the living quality and functional abilities of patients. Recent data suggest the accumulation of SNCs in aged or diseased cardiovascular systems, suggesting their potential role in impairing cardiovascular function. CS operates as a double-edged sword: while it can stimulate the restoration of organs under physiological conditions, it can also participate in organ and tissue dysfunction and pave the way for multiple chronic diseases under pathological states. This review explores the mechanisms that underlie CS and delves into the distinctive features that characterize SNCs. Furthermore, we describe the involvement of SNCs in the progression of CVDs. Finally, the study provides a summary of emerging interventions that either promote or suppress senescence and discusses their therapeutic potential in CVDs.
Collapse
Affiliation(s)
- Dan Li
- Department of Cardiovascular Medicine, Lanzhou University Second Hospital, Lanzhou 730030, China; (D.L.); (H.D.); (Y.W.); (Y.X.)
| | - Yongnan Li
- Department of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou 730030, China;
| | - Hong Ding
- Department of Cardiovascular Medicine, Lanzhou University Second Hospital, Lanzhou 730030, China; (D.L.); (H.D.); (Y.W.); (Y.X.)
| | - Yuqin Wang
- Department of Cardiovascular Medicine, Lanzhou University Second Hospital, Lanzhou 730030, China; (D.L.); (H.D.); (Y.W.); (Y.X.)
| | - Yafei Xie
- Department of Cardiovascular Medicine, Lanzhou University Second Hospital, Lanzhou 730030, China; (D.L.); (H.D.); (Y.W.); (Y.X.)
| | - Xiaowei Zhang
- Department of Cardiovascular Medicine, Lanzhou University Second Hospital, Lanzhou 730030, China; (D.L.); (H.D.); (Y.W.); (Y.X.)
| |
Collapse
|
4
|
Ling J, Yu S, Xiong F, Li S. HSPB8 up-regulation alleviates cognitive dysfunction in a mouse model of sepsis-associated encephalopathy. Int Immunopharmacol 2023; 122:110448. [PMID: 37399610 DOI: 10.1016/j.intimp.2023.110448] [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: 04/17/2023] [Revised: 06/01/2023] [Accepted: 06/01/2023] [Indexed: 07/05/2023]
Abstract
Sepsis-associated encephalopathy (SAE) is associated with a higher risk of cognitive deficits; however, its potential mechanisms are still unknow. Recently, researches show that HSPB8, a family of small heat shock proteins, affects cognitive function and ameliorates sepsis-induced dysfunction. However, the role of HSPB8 in SAE-associated cognitive impairment has not been elucidated. In this study, we found that HSPB8 expression was up-regulated in the brain of mice with lipopolysaccharide-induced sepsis. HSPB8 overexpression alleviated cognitive decline in SAE mice. In addition, exogenous HSPB8 exerts neuroprotective effects and salvages synaptic function via regulating NRF1/TFAM-induced mitochondrial biogenesis and DRP1-mediate mitochondrial fission in a lipopolysaccharide-induced mouse model. Furthermore, HSPB8 overexpression inhibits IBA1 and NLRP3 activation in the SAE model. Overexpression of HSPB8 may be an efficient treatment for relieving SAE-related cognitive decline.
Collapse
Affiliation(s)
- Jianmin Ling
- Department of Emergency Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; Department of Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China
| | - Shanshan Yu
- Department of Emergency Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; Department of Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China
| | - Feng Xiong
- Department of Emergency Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; Department of Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China
| | - Shusheng Li
- Department of Emergency Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; Department of Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China.
| |
Collapse
|
5
|
Zhao X, Lu J, Zhang C, Chen C, Zhang M, Zhang J, Du Q, Wang H. Methamphetamine induces cardiomyopathy through GATA4/NF-κB/SASP axis-mediated cellular senescence. Toxicol Appl Pharmacol 2023; 466:116457. [PMID: 36914120 DOI: 10.1016/j.taap.2023.116457] [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: 01/11/2023] [Revised: 02/26/2023] [Accepted: 03/08/2023] [Indexed: 03/13/2023]
Abstract
With the world pandemic of methamphetamine (METH), METH-associated cardiomyopathy (MAC) has become a widespread epidemic and is also recognized as a cause of heart failure in young people. The mechanism of occurrence and development of MAC is not clear. In this study, firstly, the animal model was evaluated by echocardiography and myocardial pathological staining. The results revealed that the animal model exhibited cardiac injury consistent with clinical alterations of MAC, and the mice developed cardiac hypertrophy and fibrosis remodeling, which led to systolic dysfunction and left ventricular ejection fraction (%LVEF) < 40%. The expression of cellular senescence marker proteins (p16 and p21) and senescence-associated secretory phenotype (SASP) was significantly increased in mouse myocardial tissue. Secondly, mRNA sequencing analysis of cardiac tissues revealed the key molecule GATA4, and Western blot, qPCR and immunofluorescence results showed that the expression level of GATA4 was significantly increased after METH exposure. Finally, knockdown of GATA4 expression in H9C2 cells in vitro significantly attenuated METH-induced cardiomyocyte senescence. Consequently, METH causes cardiomyopathy through cellular senescence mediated by the GATA4/NF-κB/SASP axis, which is a feasible target for the treatment of MAC.
Collapse
Affiliation(s)
- Xu Zhao
- Centre of General Practice, The Seventh Affiliated Hospital, Southern Medical University, Foshan 528200, China
| | - Jiancong Lu
- School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China; Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China
| | - Cui Zhang
- Shenzhen Key Laboratory of Drug Addiction, Shenzhen Neher Neural Plasticity Laboratory, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences (CAS), Shenzhen 518055, China
| | - Chuanxiang Chen
- School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China; Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China
| | - Manting Zhang
- School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China; Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China
| | - Jingyi Zhang
- Centre of General Practice, The Seventh Affiliated Hospital, Southern Medical University, Foshan 528200, China
| | - Qingfeng Du
- Centre of General Practice, The Seventh Affiliated Hospital, Southern Medical University, Foshan 528200, China; School of Traditional Chinese medicine, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of Chinese Medicine Pharmaceutics, Guangzhou 510515, China.
| | - Huijun Wang
- School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China; Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China.
| |
Collapse
|
6
|
Anti-Diabetic Therapy, Heart Failure and Oxidative Stress: An Update. J Clin Med 2022; 11:jcm11164660. [PMID: 36012897 PMCID: PMC9409680 DOI: 10.3390/jcm11164660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 07/31/2022] [Accepted: 08/01/2022] [Indexed: 11/17/2022] Open
Abstract
Diabetes mellitus (DM) and heart failure (HF) are two chronic disorders that affect millions worldwide. Hyperglycemia can induce excessive generation of highly reactive free radicals that promote oxidative stress and further exacerbate diabetes progression and its complications. Vascular dysfunction and damage to cellular proteins, membrane lipids and nucleic acids can stem from overproduction and/or insufficient removal of free radicals. The aim of this article is to review the literature regarding the use of antidiabetic drugs and their role in glycemic control in patients with heart failure and oxidative stress. Metformin exerts a minor benefit to these patients. Thiazolidinediones are not recommended in diabetic patients, as they increase the risk of HF. There is a lack of robust evidence on the use of meglinitides and acarbose. Insulin and dipeptidyl peptidase-4 (DPP-4) inhibitors may have a neutral cardiovascular effect on diabetic patients. The majority of current research focuses on sodium glucose cotransporter 2 (SGLT2) inhibitors and glucagon-like peptide 1 (GLP-1) receptor agonists. SGLT2 inhibitors induce positive cardiovascular effects in diabetic patients, leading to a reduction in cardiovascular mortality and HF hospitalization. GLP-1 receptor agonists may also be used in HF patients, but in the case of chronic kidney disease, SLGT2 inhibitors should be preferred.
Collapse
|
7
|
The Role of Antioxidants in the Interplay between Oxidative Stress and Senescence. Antioxidants (Basel) 2022; 11:antiox11071224. [PMID: 35883714 PMCID: PMC9311946 DOI: 10.3390/antiox11071224] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 06/17/2022] [Accepted: 06/21/2022] [Indexed: 02/01/2023] Open
Abstract
Cellular senescence is an irreversible state of cell cycle arrest occurring in response to stressful stimuli, such as telomere attrition, DNA damage, reactive oxygen species, and oncogenic proteins. Although beneficial and protective in several physiological processes, an excessive senescent cell burden has been involved in various pathological conditions including aging, tissue dysfunction and chronic diseases. Oxidative stress (OS) can drive senescence due to a loss of balance between pro-oxidant stimuli and antioxidant defences. Therefore, the identification and characterization of antioxidant compounds capable of preventing or counteracting the senescent phenotype is of major interest. However, despite the considerable number of studies, a comprehensive overview of the main antioxidant molecules capable of counteracting OS-induced senescence is still lacking. Here, besides a brief description of the molecular mechanisms implicated in OS-mediated aging, we review and discuss the role of enzymes, mitochondria-targeting compounds, vitamins, carotenoids, organosulfur compounds, nitrogen non-protein molecules, minerals, flavonoids, and non-flavonoids as antioxidant compounds with an anti-aging potential, therefore offering insights into innovative lifespan-extending approaches.
Collapse
|
8
|
Mehdizadeh M, Aguilar M, Thorin E, Ferbeyre G, Nattel S. The role of cellular senescence in cardiac disease: basic biology and clinical relevance. Nat Rev Cardiol 2022; 19:250-264. [PMID: 34667279 DOI: 10.1038/s41569-021-00624-2] [Citation(s) in RCA: 82] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/06/2021] [Indexed: 12/11/2022]
Abstract
Cellular senescence, classically defined as stable cell cycle arrest, is implicated in biological processes such as embryogenesis, wound healing and ageing. Senescent cells have a complex senescence-associated secretory phenotype (SASP), involving a range of pro-inflammatory factors with important paracrine and autocrine effects on cell and tissue biology. Clinical evidence and experimental studies link cellular senescence, senescent cell accumulation, and the production and release of SASP components with age-related cardiac pathologies such as heart failure, myocardial ischaemia and infarction, and cancer chemotherapy-related cardiotoxicity. However, the precise role of senescent cells in these conditions is unclear and, in some instances, both detrimental and beneficial effects have been reported. The involvement of cellular senescence in other important entities, such as cardiac arrhythmias and remodelling, is poorly understood. In this Review, we summarize the basic biology of cellular senescence and discuss what is known about the role of cellular senescence and the SASP in heart disease. We then consider the various approaches that are being developed to prevent the accumulation of senescent cells and their consequences. Many of these strategies are applicable in vivo and some are being investigated for non-cardiac indications in clinical trials. We end by considering important knowledge gaps, directions for future research and the potential implications for improving the management of patients with heart disease.
Collapse
Affiliation(s)
- Mozhdeh Mehdizadeh
- Research Center, Montreal Heart Institute, Université de Montréal, Montreal, QC, Canada.,Department of Pharmacology and Therapeutics, McGill University, Montreal, QC, Canada
| | - Martin Aguilar
- Research Center, Montreal Heart Institute, Université de Montréal, Montreal, QC, Canada.,Department of Medicine, Université de Montréal, Montreal, QC, Canada
| | - Eric Thorin
- Research Center, Montreal Heart Institute, Université de Montréal, Montreal, QC, Canada.,Department of Surgery, Université de Montréal, Montreal, QC, Canada
| | - Gerardo Ferbeyre
- Department of Biochemistry, Université de Montréal and CRCHUM, Montreal, QC, Canada
| | - Stanley Nattel
- Research Center, Montreal Heart Institute, Université de Montréal, Montreal, QC, Canada. .,Department of Pharmacology and Therapeutics, McGill University, Montreal, QC, Canada. .,Department of Medicine, Université de Montréal, Montreal, QC, Canada. .,Department of Pharmacology and Physiology, Faculty of Medicine, Université de Montréal, Montreal, QC, Canada. .,Institute of Pharmacology, West German Heart and Vascular Center, Faculty of Medicine, University Duisburg-Essen, Essen, Germany. .,IHU LIRYC and Fondation Bordeaux, Université Bordeaux, Bordeaux, France.
| |
Collapse
|
9
|
Sun X, Siri S, Hurst A, Qiu H. Heat Shock Protein 22 in Physiological and Pathological Hearts: Small Molecule, Large Potentials. Cells 2021; 11:cells11010114. [PMID: 35011676 PMCID: PMC8750610 DOI: 10.3390/cells11010114] [Citation(s) in RCA: 3] [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: 09/30/2021] [Revised: 12/22/2021] [Accepted: 12/27/2021] [Indexed: 12/22/2022] Open
Abstract
Small heat shock protein 22 (HSP22) belongs to the superfamily of heat shock proteins and is predominantly expressed in the heart, brain, skeletal muscle, and different types of cancers. It has been found that HSP22 is involved in variant cellular functions in cardiomyocytes and plays a vital role in cardiac protection against cardiomyocyte injury under diverse stress. This review summarizes the multiple functions of HSP22 in the heart and the underlying molecular mechanisms through modulating gene transcription, post-translational modification, subcellular translocation of its interacting proteins, and protein degradation, facilitating mitochondrial function, cardiac metabolism, autophagy, and ROS production and antiapoptotic effect. We also discuss the association of HSP22 in cardiac pathologies, including human dilated cardiomyopathy, pressure overload-induced heart failure, ischemic heart diseases, and aging-related cardiac metabolism disorder. The collected information would provide insights into the understanding of the HSP22 in heart diseases and lead to discovering the therapeutic targets.
Collapse
|
10
|
Li X, Tang X, Liu B, Zhang J, Zhang Y, Lv H, Liu D, Mehta JL, Wang X. LOX-1 Deletion Attenuates Myocardial Fibrosis in the Aged Mice, Particularly Those With Hypertension. Front Cardiovasc Med 2021; 8:736215. [PMID: 34712709 PMCID: PMC8545876 DOI: 10.3389/fcvm.2021.736215] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Accepted: 09/14/2021] [Indexed: 01/08/2023] Open
Abstract
Background: Lectin-like oxidized low-density lipoprotein receptor-1 (LOX-1) is a transmembrane glycoprotein that mediates uptake of oxidized low-density lipoprotein (ox-LDL) into cells. Previous studies had shown that LOX-1 deletion had a potential to inhibit cardiac fibrosis in mouse models of hypertension and myocardial infarction. Whether LOX-1 deletion also affects cardiac fibrosis associated with aging still remains unknown. The aim of this study was to investigate the effect of LOX-1 deletion on myocardial fibrosis in the aged mice. Methods: C57BL/6 mice and LOX-1 knockout (KO) mice with C57BL/6 background were studied to the age of 60 weeks. Both genotypes of aged mice were exposed to angiotensin II (Ang II) or saline for additional 4 weeks. The mice were then sacrificed, and myocardial fibrosis, reactive oxygen species (ROS) and expression of LOX-1, fibronectin, collagens, p22phox, and gp91phox were measured. Results: LOX-1 deletion markedly reduced Ang II-mediated rise of blood pressure in the aged mice (vs. saline-treated mice). LOX-1 deletion also limited fibrosis and decreased fibronectin and collagen-3 expression in the hearts of aged mice, but not the expression of collagen-1 and collagen-4. LOX-1 deletion also inhibited ROS production and p22phox expression. As the aged mice were exposed to Ang II for 4 weeks (resulting in hypertension), LOX-1 deletion more pronounced inhibiting myocardial fibrosis and ROS production, and decreasing expression of fibronectin, collagen-1, collagen-2, collagen-3, p22phox, and gp91phox. Conclusion: LOX-1 deletion limited fibrosis and ROS production in the hearts of aged mice. This effect was more pronounced in the aged mice with hypertension induced by Ang II infusion.
Collapse
Affiliation(s)
- Xiao Li
- Department of Cardiology, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, China.,Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang Medical University, Xinxiang, China
| | - Xihe Tang
- Department of Cardiology, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, China.,Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang Medical University, Xinxiang, China
| | - Bo Liu
- Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang Medical University, Xinxiang, China
| | - Jinghang Zhang
- Department of Pathology, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, China
| | - Yongxi Zhang
- Department of Oncology, The Third Affiliated Hospital, Xinxiang Medical University, Xinxiang, China
| | - Hefan Lv
- Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang Medical University, Xinxiang, China
| | - Dongling Liu
- Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang Medical University, Xinxiang, China
| | - Jawahar L Mehta
- Division of Cardiology, University of Arkansas for Medical Sciences, Little Rock, AR, United States
| | - Xianwei Wang
- Department of Cardiology, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, China.,Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang Medical University, Xinxiang, China.,Department of Human Anatomy & Histoembryology, Xinxiang Medical University, Xinxiang, China.,Xinxiang Key Laboratory of Molecular Neurology, Xinxiang Medical University, Xinxiang, China
| |
Collapse
|
11
|
Ramachandra CJA, Cong S, Chan X, Yap EP, Yu F, Hausenloy DJ. Oxidative stress in cardiac hypertrophy: From molecular mechanisms to novel therapeutic targets. Free Radic Biol Med 2021; 166:297-312. [PMID: 33675957 DOI: 10.1016/j.freeradbiomed.2021.02.040] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 02/11/2021] [Accepted: 02/26/2021] [Indexed: 02/06/2023]
Abstract
When faced with increased workload the heart undergoes remodelling, where it increases its muscle mass in an attempt to preserve normal function. This is referred to as cardiac hypertrophy and if sustained, can lead to impaired contractile function. Experimental evidence supports oxidative stress as a critical inducer of both genetic and acquired forms of cardiac hypertrophy, a finding which is reinforced by elevated levels of circulating oxidative stress markers in patients with cardiac hypertrophy. These observations formed the basis for using antioxidants as a therapeutic means to attenuate cardiac hypertrophy and improve clinical outcomes. However, the use of antioxidant therapies in the clinical setting has been associated with inconsistent results, despite antioxidants having been shown to exert protection in several animal models of cardiac hypertrophy. This has forced us to revaluate the mechanisms, both upstream and downstream of oxidative stress, where recent studies demonstrate that apart from conventional mediators of oxidative stress, metabolic disturbances, mitochondrial dysfunction and inflammation as well as dysregulated autophagy and protein homeostasis contribute to disease pathophysiology through mechanisms involving oxidative stress. Importantly, novel therapeutic targets have been identified to counteract oxidative stress and attenuate cardiac hypertrophy but more interestingly, the repurposing of drugs commonly used to treat metabolic disorders, hypertension, peripheral vascular disease, sleep disorders and arthritis have also been shown to improve cardiac function through suppression of oxidative stress. Here, we review the latest literature on these novel mechanisms and intervention strategies with the aim of better understanding the complexities of oxidative stress for more precise targeted therapeutic approaches to prevent cardiac hypertrophy.
Collapse
Affiliation(s)
- Chrishan J A Ramachandra
- National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore; Cardiovascular & Metabolic Disorders Program, Duke-National University of Singapore Medical School, Singapore.
| | - Shuo Cong
- National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore; Cardiovascular & Metabolic Disorders Program, Duke-National University of Singapore Medical School, Singapore; Yong Loo Lin School of Medicine, National University Singapore, Singapore
| | - Xavier Chan
- National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore; Cardiovascular & Metabolic Disorders Program, Duke-National University of Singapore Medical School, Singapore; Faculty of Science, National University of Singapore, Singapore
| | - En Ping Yap
- National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore; Cardiovascular & Metabolic Disorders Program, Duke-National University of Singapore Medical School, Singapore; Yong Loo Lin School of Medicine, National University Singapore, Singapore
| | - Fan Yu
- National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore; Cardiovascular & Metabolic Disorders Program, Duke-National University of Singapore Medical School, Singapore; Yong Loo Lin School of Medicine, National University Singapore, Singapore
| | - Derek J Hausenloy
- National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore; Cardiovascular & Metabolic Disorders Program, Duke-National University of Singapore Medical School, Singapore; Yong Loo Lin School of Medicine, National University Singapore, Singapore; The Hatter Cardiovascular Institute, University College London, London, UK; Cardiovascular Research Center, College of Medical and Health Sciences, Asia University, Taiwan
| |
Collapse
|
12
|
Mishra S, Dunkerly-Eyring BL, Keceli G, Ranek MJ. Phosphorylation Modifications Regulating Cardiac Protein Quality Control Mechanisms. Front Physiol 2020; 11:593585. [PMID: 33281625 PMCID: PMC7689282 DOI: 10.3389/fphys.2020.593585] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 09/28/2020] [Indexed: 12/12/2022] Open
Abstract
Many forms of cardiac disease, including heart failure, present with inadequate protein quality control (PQC). Pathological conditions often involve impaired removal of terminally misfolded proteins. This results in the formation of large protein aggregates, which further reduce cellular viability and cardiac function. Cardiomyocytes have an intricately collaborative PQC system to minimize cellular proteotoxicity. Increased expression of chaperones or enhanced clearance of misfolded proteins either by the proteasome or lysosome has been demonstrated to attenuate disease pathogenesis, whereas reduced PQC exacerbates pathogenesis. Recent studies have revealed that phosphorylation of key proteins has a potent regulatory role, both promoting and hindering the PQC machinery. This review highlights the recent advances in phosphorylations regulating PQC, the impact in cardiac pathology, and the therapeutic opportunities presented by harnessing these modifications.
Collapse
Affiliation(s)
- Sumita Mishra
- Division of Cardiology, Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Brittany L Dunkerly-Eyring
- Department of Pharmacology and Molecular Sciences, Johns Hopkins University, Baltimore, MD, United States
| | - Gizem Keceli
- Division of Cardiology, Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Mark J Ranek
- Division of Cardiology, Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, MD, United States
| |
Collapse
|
13
|
Boardman NT, Migally B, Pileggi C, Parmar GS, Xuan JY, Menzies K, Harper ME. Glutaredoxin-2 and Sirtuin-3 deficiencies impair cardiac mitochondrial energetics but their effects are not additive. Biochim Biophys Acta Mol Basis Dis 2020; 1867:165982. [PMID: 33002579 DOI: 10.1016/j.bbadis.2020.165982] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 09/06/2020] [Accepted: 09/24/2020] [Indexed: 02/07/2023]
Abstract
Altered redox biology and oxidative stress have been implicated in the progression of heart failure. Glutaredoxin-2 (GRX2) is a glutathione-dependent oxidoreductase and catalyzes the reversible deglutathionylation of mitochondrial proteins. Sirtuin-3 (SIRT3) is a class III histone deacetylase and regulates lysine acetylation in mitochondria. Both GRX2 and SIRT3 are considered as key in the protection against oxidative damage in the myocardium. Knockout of either contributes to adverse heart pathologies including hypertrophy, hypertension, and cardiac dysfunction. Here, we created and characterized a GRX2 and SIRT3 double-knockout mouse model, hypothesizing that their deletions would have an additive effect on oxidative stress, and exacerbate mitochondrial function and myocardial structural remodeling. Wildtype, single-gene knockout (Sirt3-/-, Grx2-/-), and double-knockout mice (Grx2-/-/Sirt3-/-) were compared in heart weight, histology, mitochondrial respiration and H2O2 production. Overall, the hearts from Grx2-/-/Sirt3-/- mice displayed increased fibrosis and hypertrophy versus wildtype. In the Grx2-/- and the Sirt3-/- we observed changes in mitochondrial oxidative capacity, however this was associated with elevated H2O2 emission only in the Sirt3-/-. Similar changes were observed but not worsened in hearts from Grx2-/-/Sirt3-/- mice, suggesting that these changes were not additive. In human myocardium, using genetic and histopathological data from the human Genotype-Tissue Expression consortium, we confirmed that SIRT3 expression correlates inversely with heart pathology. Altogether, GRX2 and SIRT3 are important in the control of cardiac mitochondrial redox and oxidative processes, but their combined absence does not exacerbate effects, consistent with the overall conclusion that they function together in the complex redox and antioxidant systems in the heart.
Collapse
Affiliation(s)
- Neoma T Boardman
- Department of Biochemistry, Microbiology and Immunology, Ottawa Institute of Systems Biology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada; Department of Medical Biology, Faculty of Health Sciences, UiT-Arctic University of Norway, Tromsø, Norway
| | - Baher Migally
- Department of Biochemistry, Microbiology and Immunology, Ottawa Institute of Systems Biology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Chantal Pileggi
- Department of Biochemistry, Microbiology and Immunology, Ottawa Institute of Systems Biology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Gaganvir S Parmar
- Department of Biochemistry, Microbiology and Immunology, Ottawa Institute of Systems Biology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Jian Ying Xuan
- Department of Biochemistry, Microbiology and Immunology, Ottawa Institute of Systems Biology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Keir Menzies
- Department of Biochemistry, Microbiology and Immunology, Ottawa Institute of Systems Biology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada; Interdisciplinary School of Health Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, ON, Canada
| | - Mary-Ellen Harper
- Department of Biochemistry, Microbiology and Immunology, Ottawa Institute of Systems Biology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada.
| |
Collapse
|
14
|
Wu W, Lai L, Xie M, Qiu H. Insights of heat shock protein 22 in the cardiac protection against ischemic oxidative stress. Redox Biol 2020; 34:101555. [PMID: 32388268 PMCID: PMC7215242 DOI: 10.1016/j.redox.2020.101555] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 04/16/2020] [Accepted: 04/23/2020] [Indexed: 12/21/2022] Open
Abstract
the acute and chronic myocardial ischemia results in oxidative stress that impairs myocardial contractility and eventually leads to heart failure. However, the underlying regulatory molecular mechanisms are not fully understood. The heat shock protein 22 (Hsp22), a small-molecular-weight protein preferentially expressed in the heart, was found to be dramatically increased in the cardiac oxidative stress conditions in both human and animal models after the acute and chronic ischemia. Overexpression of Hsp22 largely protects the heart against ischemic damage. Mechanistically, overexpression of Hsp22 attenuates hypoxia-induced oxidative phosphorylation in mitochondrial and the high rate of superoxide production. Short term gene delivery of Hsp22 reduces the infarct size caused by the ischemia/reperfusion, providing a clinical therapeutic potential. This review discusses the new progress of the studies on Hsp22 by focusing on its protective effect against the excessive cardiac oxidative stress, including its adaptive induction in myocardium upon the oxidative stress, its protective role in myocardial ischemia/reperfusion, its regulation in mitochondrial oxidative phosphorylation and the underlying molecular signaling pathways promoting cell survival. This information will increase our understanding of the molecular regulation of cardiac adaption under the oxidative stress and the potential therapeutic relevance.
Collapse
Affiliation(s)
- Wenqian Wu
- Center of Molecular and Translational Medicine, Institution of Biomedical Science, Georgia State University, Atlanta, GA, 30303, USA; Department of Ultrasound, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Lo Lai
- Center of Molecular and Translational Medicine, Institution of Biomedical Science, Georgia State University, Atlanta, GA, 30303, USA
| | - Mingxing Xie
- Department of Ultrasound, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Hongyu Qiu
- Center of Molecular and Translational Medicine, Institution of Biomedical Science, Georgia State University, Atlanta, GA, 30303, USA.
| |
Collapse
|
15
|
Chen Y, Ge Z, Huang S, Zhou L, Zhai C, Chen Y, Hu Q, Cao W, Weng Y, Li Y. Delphinidin attenuates pathological cardiac hypertrophy via the AMPK/NOX/MAPK signaling pathway. Aging (Albany NY) 2020; 12:5362-5383. [PMID: 32209725 PMCID: PMC7138591 DOI: 10.18632/aging.102956] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Accepted: 02/05/2020] [Indexed: 12/13/2022]
Abstract
Reactive oxygen species (ROS) play a pivotal role in the development of pathological cardiac hypertrophy. Delphinidin, a natural flavonoid, was reported to exert marked antioxidative effects. Therefore, we investigated whether delphinidin ameliorates pathological cardiac hypertrophy via inhibiting oxidative stress. In this study, male C57BL/6 mice were treated with DMSO or delphinidin after surgery. Neonatal rat cardiomyocytes (NRCMs) were treated with angiotensin II (Ang II) and delphinidin in vitro. Eighteen-month-old mice were administered delphinidin to investigate the effect of delphinidin on aging-related cardiac hypertrophy. Through analyses of hypertrophic cardiomyocyte growth, fibrosis and cardiac function, delphinidin was demonstrated to confer resistance to aging- and transverse aortic constriction (TAC)-induced cardiac hypertrophy in vivo and attenuate Ang II-induced cardiomyocyte hypertrophy in vitro by significantly suppressing hypertrophic growth and the deposition of fibrosis. Mechanistically, delphinidin reduced ROS accumulation upon Ang II stimulation through the direct activation of AMP-activated protein kinase (AMPK) and subsequent inhibition of the activity of Rac1 and expression of p47phox. In addition, excessive levels of ERK1/2, P38 and JNK1/2 phosphorylation induced by oxidative stress were abrogated by delphinidin. Delphinidin was conclusively shown to repress pathological cardiac hypertrophy by modulating oxidative stress through the AMPK/NADPH oxidase (NOX)/mitogen-activated protein kinase (MAPK) signaling pathway.
Collapse
Affiliation(s)
- Youming Chen
- Department of Cardiology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200092, China
| | - Zhuowang Ge
- Department of Cardiology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200092, China
| | - Shixing Huang
- Department of Cardiac Surgery, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200025, China
| | - Lei Zhou
- Department of Cardiothoracic Surgery, Tongji Hospital Affiliated to Tongji University, Shanghai 200065, China
| | - Changlin Zhai
- Department of Cardiology, The First Affiliated Hospital of Jiaxing University, Zhejiang 314000, China
| | - Yuhan Chen
- Department of Cardiology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200092, China
| | - Qiuyue Hu
- Department of Endocrinology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200092, China
| | - Wei Cao
- Department of Cardiology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200092, China
| | - Yuteng Weng
- Department of Implantology, School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai 200072, China
| | - Yanyan Li
- Department of Cardiology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200092, China
| |
Collapse
|