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Sun HJ, Lu QB, Zhu XX, Ni ZR, Su JB, Fu X, Chen G, Zheng GL, Nie XW, Bian JS. Pharmacology of Hydrogen Sulfide and Its Donors in Cardiometabolic Diseases. Pharmacol Rev 2024; 76:846-895. [PMID: 38866561 DOI: 10.1124/pharmrev.123.000928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 04/13/2024] [Accepted: 06/10/2024] [Indexed: 06/14/2024] Open
Abstract
Cardiometabolic diseases (CMDs) are major contributors to global mortality, emphasizing the critical need for novel therapeutic interventions. Hydrogen sulfide (H2S) has garnered enormous attention as a significant gasotransmitter with various physiological, pathophysiological, and pharmacological impacts within mammalian cardiometabolic systems. In addition to its roles in attenuating oxidative stress and inflammatory response, burgeoning research emphasizes the significance of H2S in regulating proteins via persulfidation, a well known modification intricately associated with the pathogenesis of CMDs. This review seeks to investigate recent updates on the physiological actions of endogenous H2S and the pharmacological roles of various H2S donors in addressing diverse aspects of CMDs across cellular, animal, and clinical studies. Of note, advanced methodologies, including multiomics, intestinal microflora analysis, organoid, and single-cell sequencing techniques, are gaining traction due to their ability to offer comprehensive insights into biomedical research. These emerging approaches hold promise in characterizing the pharmacological roles of H2S in health and diseases. We will critically assess the current literature to clarify the roles of H2S in diseases while also delineating the opportunities and challenges they present in H2S-based pharmacotherapy for CMDs. SIGNIFICANCE STATEMENT: This comprehensive review covers recent developments in H2S biology and pharmacology in cardiometabolic diseases CMDs. Endogenous H2S and its donors show great promise for the management of CMDs by regulating numerous proteins and signaling pathways. The emergence of new technologies will considerably advance the pharmacological research and clinical translation of H2S.
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Affiliation(s)
- Hai-Jian Sun
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China (H.-J.S., X.-X.Z., Z.-R.N., J.-B.S., X.F., G.C., G.-L.Z.); Department of Endocrinology, Affiliated Hospital of Jiangnan University, Jiangnan University, Wuxi, Jiangsu, China (Q.-B.L.); Shenzhen Key Laboratory of Respiratory Diseases, Shenzhen People's Hospital, Shenzhen, Guangdong, China (X.-W.N.); and Department of Pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China (J.-S.B.)
| | - Qing-Bo Lu
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China (H.-J.S., X.-X.Z., Z.-R.N., J.-B.S., X.F., G.C., G.-L.Z.); Department of Endocrinology, Affiliated Hospital of Jiangnan University, Jiangnan University, Wuxi, Jiangsu, China (Q.-B.L.); Shenzhen Key Laboratory of Respiratory Diseases, Shenzhen People's Hospital, Shenzhen, Guangdong, China (X.-W.N.); and Department of Pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China (J.-S.B.)
| | - Xue-Xue Zhu
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China (H.-J.S., X.-X.Z., Z.-R.N., J.-B.S., X.F., G.C., G.-L.Z.); Department of Endocrinology, Affiliated Hospital of Jiangnan University, Jiangnan University, Wuxi, Jiangsu, China (Q.-B.L.); Shenzhen Key Laboratory of Respiratory Diseases, Shenzhen People's Hospital, Shenzhen, Guangdong, China (X.-W.N.); and Department of Pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China (J.-S.B.)
| | - Zhang-Rong Ni
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China (H.-J.S., X.-X.Z., Z.-R.N., J.-B.S., X.F., G.C., G.-L.Z.); Department of Endocrinology, Affiliated Hospital of Jiangnan University, Jiangnan University, Wuxi, Jiangsu, China (Q.-B.L.); Shenzhen Key Laboratory of Respiratory Diseases, Shenzhen People's Hospital, Shenzhen, Guangdong, China (X.-W.N.); and Department of Pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China (J.-S.B.)
| | - Jia-Bao Su
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China (H.-J.S., X.-X.Z., Z.-R.N., J.-B.S., X.F., G.C., G.-L.Z.); Department of Endocrinology, Affiliated Hospital of Jiangnan University, Jiangnan University, Wuxi, Jiangsu, China (Q.-B.L.); Shenzhen Key Laboratory of Respiratory Diseases, Shenzhen People's Hospital, Shenzhen, Guangdong, China (X.-W.N.); and Department of Pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China (J.-S.B.)
| | - Xiao Fu
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China (H.-J.S., X.-X.Z., Z.-R.N., J.-B.S., X.F., G.C., G.-L.Z.); Department of Endocrinology, Affiliated Hospital of Jiangnan University, Jiangnan University, Wuxi, Jiangsu, China (Q.-B.L.); Shenzhen Key Laboratory of Respiratory Diseases, Shenzhen People's Hospital, Shenzhen, Guangdong, China (X.-W.N.); and Department of Pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China (J.-S.B.)
| | - Guo Chen
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China (H.-J.S., X.-X.Z., Z.-R.N., J.-B.S., X.F., G.C., G.-L.Z.); Department of Endocrinology, Affiliated Hospital of Jiangnan University, Jiangnan University, Wuxi, Jiangsu, China (Q.-B.L.); Shenzhen Key Laboratory of Respiratory Diseases, Shenzhen People's Hospital, Shenzhen, Guangdong, China (X.-W.N.); and Department of Pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China (J.-S.B.)
| | - Guan-Li Zheng
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China (H.-J.S., X.-X.Z., Z.-R.N., J.-B.S., X.F., G.C., G.-L.Z.); Department of Endocrinology, Affiliated Hospital of Jiangnan University, Jiangnan University, Wuxi, Jiangsu, China (Q.-B.L.); Shenzhen Key Laboratory of Respiratory Diseases, Shenzhen People's Hospital, Shenzhen, Guangdong, China (X.-W.N.); and Department of Pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China (J.-S.B.)
| | - Xiao-Wei Nie
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China (H.-J.S., X.-X.Z., Z.-R.N., J.-B.S., X.F., G.C., G.-L.Z.); Department of Endocrinology, Affiliated Hospital of Jiangnan University, Jiangnan University, Wuxi, Jiangsu, China (Q.-B.L.); Shenzhen Key Laboratory of Respiratory Diseases, Shenzhen People's Hospital, Shenzhen, Guangdong, China (X.-W.N.); and Department of Pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China (J.-S.B.)
| | - Jin-Song Bian
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China (H.-J.S., X.-X.Z., Z.-R.N., J.-B.S., X.F., G.C., G.-L.Z.); Department of Endocrinology, Affiliated Hospital of Jiangnan University, Jiangnan University, Wuxi, Jiangsu, China (Q.-B.L.); Shenzhen Key Laboratory of Respiratory Diseases, Shenzhen People's Hospital, Shenzhen, Guangdong, China (X.-W.N.); and Department of Pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China (J.-S.B.)
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2
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Forte M, D'Ambrosio L, Schiattarella GG, Salerno N, Perrone MA, Loffredo FS, Bertero E, Pilichou K, Manno G, Valenti V, Spadafora L, Bernardi M, Simeone B, Sarto G, Frati G, Perrino C, Sciarretta S. Mitophagy modulation for the treatment of cardiovascular diseases. Eur J Clin Invest 2024; 54:e14199. [PMID: 38530070 DOI: 10.1111/eci.14199] [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: 01/07/2024] [Revised: 03/15/2024] [Accepted: 03/16/2024] [Indexed: 03/27/2024]
Abstract
BACKGROUND Defects of mitophagy, the selective form of autophagy for mitochondria, are commonly observed in several cardiovascular diseases and represent the main cause of mitochondrial dysfunction. For this reason, mitophagy has emerged as a novel and potential therapeutic target. METHODS In this review, we discuss current evidence about the biological significance of mitophagy in relevant preclinical models of cardiac and vascular diseases, such as heart failure, ischemia/reperfusion injury, metabolic cardiomyopathy and atherosclerosis. RESULTS Multiple studies have shown that cardiac and vascular mitophagy is an adaptive mechanism in response to stress, contributing to cardiovascular homeostasis. Mitophagy defects lead to cell death, ultimately impairing cardiac and vascular function, whereas restoration of mitophagy by specific compounds delays disease progression. CONCLUSIONS Despite previous efforts, the molecular mechanisms underlying mitophagy activation in response to stress are not fully characterized. A comprehensive understanding of different forms of mitophagy active in the cardiovascular system is extremely important for the development of new drugs targeting this process. Human studies evaluating mitophagy abnormalities in patients at high cardiovascular risk also represent a future challenge.
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Affiliation(s)
| | - Luca D'Ambrosio
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Gabriele G Schiattarella
- Max Rubner Center for Cardiovascular Metabolic Renal Research, Charité-Universitätsmedizin Berlin, Berlin, Germany
- Division of Cardiology, Department of Advanced Biomedical Sciences, Federico II University of Naples, Naples, Italy
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany
| | - Nadia Salerno
- Division of Cardiology, Department of Medical and Surgical Sciences, Magna Graecia University, Catanzaro, Italy
| | - Marco Alfonso Perrone
- Division of Cardiology and CardioLab, Department of Clinical Sciences and Translational Medicine, University of Rome Tor Vergata, Rome, Italy
- Clinical Pathways and Epidemiology Unit, Bambino Gesù Children's Hospital IRCCS, Rome, Italy
| | - Francesco S Loffredo
- Division of Cardiology, Department of Translational Medical Sciences, University of Campania "L. Vanvitelli", Naples, Italy
| | - Edoardo Bertero
- Department of Internal Medicine, University of Genova, Genoa, Italy
- Cardiovascular Disease Unit, IRCCS Ospedale Policlinico San Martino-Italian IRCCS Cardiology Network, Genoa, Italy
| | - Kalliopi Pilichou
- Department of Cardiac-Thoracic-Vascular Sciences and Public Health, University of Padova, Padova, Italy
| | - Girolamo Manno
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (PROMISE) "G. D'Alessandro", University of Palermo, Palermo, Italy
| | - Valentina Valenti
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
- ICOT Istituto Marco Pasquali, Latina, Italy
| | | | - Marco Bernardi
- Department of Clinical, Internal Medicine, Anesthesiology and Cardiovascular Sciences, Sapienza University, Rome, Italy
| | | | | | - Giacomo Frati
- IRCCS Neuromed, Pozzilli, Italy
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Cinzia Perrino
- Division of Cardiology, Department of Advanced Biomedical Sciences, Federico II University of Naples, Naples, Italy
| | - Sebastiano Sciarretta
- IRCCS Neuromed, Pozzilli, Italy
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
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3
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Han Q, Yu Y, Liu X, Guo Y, Shi J, Xue Y, Li Y. The Role of Endothelial Cell Mitophagy in Age-Related Cardiovascular Diseases. Aging Dis 2024:AD.2024.0788. [PMID: 39122456 DOI: 10.14336/ad.2024.0788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2024] [Accepted: 07/26/2024] [Indexed: 08/12/2024] Open
Abstract
Aging is a major risk factor for cardiovascular diseases (CVD), and mitochondrial autophagy impairment is considered a significant physiological change associated with aging. Endothelial cells play a crucial role in maintaining vascular homeostasis and function, participating in various physiological processes such as regulating vascular tone, coagulation, angiogenesis, and inflammatory responses. As aging progresses, mitochondrial autophagy impairment in endothelial cells worsens, leading to the development of numerous cardiovascular diseases. Therefore, regulating mitochondrial autophagy in endothelial cells is vital for preventing and treating age-related cardiovascular diseases. However, there is currently a lack of systematic reviews in this area. To address this gap, we have written this review to provide new research and therapeutic strategies for managing aging and age-related cardiovascular diseases.
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Affiliation(s)
- Quancheng Han
- Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yiding Yu
- Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Xiujuan Liu
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yonghong Guo
- Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Jingle Shi
- Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yitao Xue
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yan Li
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
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4
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Smimmo M, Casale V, Casillo GM, Mitidieri E, d'Emmanuele di Villa Bianca R, Bello I, Schettino A, Montanaro R, Brancaleone V, Indolfi C, Cirino G, Di Lorenzo A, Bucci M, Panza E, Vellecco V. Hydrogen sulfide dysfunction in metabolic syndrome-associated vascular complications involves cGMP regulation through soluble guanylyl cyclase persulfidation. Biomed Pharmacother 2024; 174:116466. [PMID: 38552439 DOI: 10.1016/j.biopha.2024.116466] [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: 12/22/2023] [Revised: 03/14/2024] [Accepted: 03/15/2024] [Indexed: 05/01/2024] Open
Abstract
Here, by using in vitro and ex vivo approaches, we elucidate the impairment of the hydrogen sulfide (H2S) pathway in vascular complications associated with metabolic syndrome (MetS). In the in vitro model simulating hyperlipidemic/hyperglycemic conditions, we observe significant hallmarks of endothelial dysfunction, including eNOS/NO signaling impairment, ROS overproduction, and a reduction in CSE-derived H2S. Transitioning to an ex vivo model using db/db mice, a genetic MetS model, we identify a downregulation of CBS and CSE expression in aorta, coupled with a diminished L-cysteine-induced vasorelaxation. Molecular mechanisms of eNOS/NO signaling impairment, dissected using pharmacological and molecular approaches, indicate an altered eNOS/Cav-1 ratio, along with reduced Ach- and Iso-induced vasorelaxation and increased L-NIO-induced contraction. In vivo treatment with the H2S donor Erucin ameliorates vascular dysfunction observed in db/db mice without impacting eNOS, further highlighting a specific action on smooth muscle component rather than the endothelium. Analyzing the NO signaling pathway in db/db mice aortas, reduced cGMP levels were detected, implicating a defective sGC/cGMP signaling. In vivo Erucin administration restores cGMP content. This beneficial effect involves an increased sGC activity, due to enzyme persulfidation observed in sGC overexpressed cells, coupled with PDE5 inhibition. In conclusion, our study demonstrates a pivotal role of reduced cGMP levels in impaired vasorelaxation in a murine model of MetS involving an impairment of both H2S and NO signaling. Exogenous H2S supplementation through Erucin represents a promising alternative in MetS therapy, targeting smooth muscle cells and supporting the importance of lifestyle and nutrition in managing MetS.
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Affiliation(s)
- M Smimmo
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - V Casale
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - G M Casillo
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - E Mitidieri
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | | | - I Bello
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - A Schettino
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - R Montanaro
- Department of Science, University of Basilicata, Potenza, Italy
| | - V Brancaleone
- Department of Science, University of Basilicata, Potenza, Italy
| | - C Indolfi
- Department of Molecular Medicine and Medical Biotechnology, School of Medicine and Surgery, University of Naples Federico II, Naples 80131, Italy
| | - G Cirino
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - A Di Lorenzo
- Department of Pathology and Laboratory Medicine Center for Vascular Biology, Weill Cornell Medical College, Cornell University, New York, USA
| | - M Bucci
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy.
| | - E Panza
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - V Vellecco
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy
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5
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Fang X, Zhang Y, Wu H, Wang H, Miao R, Wei J, Zhang Y, Tian J, Tong X. Mitochondrial regulation of diabetic endothelial dysfunction: Pathophysiological links. Int J Biochem Cell Biol 2024; 170:106569. [PMID: 38556159 DOI: 10.1016/j.biocel.2024.106569] [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: 12/07/2023] [Revised: 03/27/2024] [Accepted: 03/27/2024] [Indexed: 04/02/2024]
Abstract
Micro- and macrovascular complications frequently occur in patients with diabetes, with endothelial dysfunction playing a key role in the development and progression of the complications. For the early diagnosis and optimal treatment of vascular complications associated with diabetes, it is imperative to comprehend the cellular and molecular mechanisms governing the function of diabetic endothelial cells. Mitochondria function as crucial sensors of environmental and cellular stress regulating endothelial cell viability, structural integrity and function. Impaired mitochondrial quality control mechanisms and mitochondrial dysfunction are the main features of endothelial damage. Hence, targeted mitochondrial therapy is considered promising novel therapeutic options in vascular complications of diabetes. In this review, we focus on the mitochondrial functions in the vascular endothelial cells and the pathophysiological role of mitochondria in diabetic endothelial dysfunction, aiming to provide a reference for related drug development and clinical diagnosis and treatment.
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Affiliation(s)
- Xinyi Fang
- Institute of Metabolic Diseases, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China; Graduate College, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Yanjiao Zhang
- Institute of Metabolic Diseases, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Haoran Wu
- Graduate College, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Han Wang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Runyu Miao
- Institute of Metabolic Diseases, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China; Graduate College, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Jiahua Wei
- Graduate College, Changchun University of Chinese Medicine, Jilin 130117, China
| | - Yuxin Zhang
- Institute of Metabolic Diseases, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Jiaxing Tian
- Institute of Metabolic Diseases, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China.
| | - Xiaolin Tong
- Institute of Metabolic Diseases, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China.
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6
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Gwon JG, Lee SM. Role of PTEN-Induced Protein Kinase 1 as a Mitochondrial Dysfunction Regulator in Cardiovascular Disease Pathogenesis. Vasc Specialist Int 2024; 40:9. [PMID: 38486493 PMCID: PMC10940882 DOI: 10.5758/vsi.230116] [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: 11/21/2023] [Revised: 01/29/2024] [Accepted: 02/07/2024] [Indexed: 03/17/2024] Open
Abstract
Cardiovascular disease (CVD) remains a global health challenge, primarily due to atherosclerosis, which leads to conditions such as coronary artery disease, cerebrovascular disease, and peripheral arterial disease. Mitochondrial dysfunction initiates endothelial dysfunction, a key contributor to CVD pathogenesis, as well as triggers the accumulation of reactive oxygen species (ROS), energy stress, and cell death in endothelial cells, which are crucial for atherosclerosis development. This review explores the role of PTEN-induced protein kinase 1 (PINK1) in mitochondrial quality control, focusing on its significance in cardiovascular health. PINK1 plays a pivotal role in mitophagy (selective removal of damaged mitochondria), contributing to the prevention of CVD progression. PINK1-mediated mitophagy also affects the maintenance of cardiomyocyte homeostasis in ischemic heart disease, thus mitigating mitochondrial dysfunction and oxidative stress, as well as regulates endothelial health in atherosclerosis through influencing ROS levels and inflammatory response. We also investigated the role of PINK1 in vascular smooth muscle cells, emphasizing on its role in apoptosis and atherosclerosis. Dysfunctional mitophagy in these cells accelerates cellular senescence and contributes to adverse effects including plaque rupture and inflammation. Mitophagy has also been explored as a potential therapeutic target for vascular calcification, a representative lesion in atherosclerosis, with a focus on lactate-induced mechanisms. Finally, we highlight the current research and clinical trials targeting mitophagy as a therapeutic avenue for CVD.
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Affiliation(s)
- Jun Gyo Gwon
- Division of Vascular Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Seung Min Lee
- Department of Convergence Medicine and Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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7
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Bao HN, Yin J, Wang LY, Wang RH, Huang LQ, Chen YL, Wu JX, Sun JQ, Liu WW, Yao N, Li J. Aberrant accumulation of ceramides in mitochondria triggers cell death by inducing autophagy in Arabidopsis. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:1314-1330. [PMID: 38069660 DOI: 10.1093/jxb/erad456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 12/05/2023] [Indexed: 02/29/2024]
Abstract
Sphingolipids are membrane lipids and play critical roles in signal transduction. Ceramides are central components of sphingolipid metabolism that are involved in cell death. However, the mechanism of ceramides regulating cell death in plants remains unclear. Here, we found that ceramides accumulated in mitochondria of accelerated cell death 5 mutant (acd5), and expression of mitochondrion-localized ceramide kinase (ACD5) suppressed mitochondrial ceramide accumulation and the acd5 cell death phenotype. Using immuno-electron microscopy, we observed hyperaccumulation of ceramides in acer acd5 double mutants, which are characterized by mutations in both ACER (alkaline ceramidase) and ACD5 genes. The results confirmed that plants with specific ceramide accumulation exhibited localization of ceramides to mitochondria, resulting in an increase in mitochondrial reactive oxygen species production. Interestingly, when compared with the wild type, autophagy-deficient mutants showed stronger resistance to ceramide-induced cell death. Lipid profiling analysis demonstrated that plants with ceramide accumulation exhibited a significant increase in phosphatidylethanolamine levels. Furthermore, exogenous ceramide treatment or endogenous ceramide accumulation induces autophagy. When exposed to exogenous ceramides, an increase in the level of the autophagy-specific ubiquitin-like protein, ATG8e, associated with mitochondria, where it directly bound to ceramides. Taken together, we propose that the accumulation of ceramides in mitochondria can induce cell death by regulating autophagy.
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Affiliation(s)
- He-Nan Bao
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Jian Yin
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, P. R. China
- College of JunCao Science and Ecology and Center for Horticultural Biology and Metabolomics, Fujian Agriculture and Forestry University, Fuzhou, Fujian, P. R. China
| | - Ling-Yan Wang
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Rui-Hua Wang
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Li-Qun Huang
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Yi-Li Chen
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Jian-Xin Wu
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Jia-Qi Sun
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Wei-Wei Liu
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Nan Yao
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Jian Li
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, P. R. China
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement & Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
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8
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Kulovic-Sissawo A, Tocantins C, Diniz MS, Weiss E, Steiner A, Tokic S, Madreiter-Sokolowski CT, Pereira SP, Hiden U. Mitochondrial Dysfunction in Endothelial Progenitor Cells: Unraveling Insights from Vascular Endothelial Cells. BIOLOGY 2024; 13:70. [PMID: 38392289 PMCID: PMC10886154 DOI: 10.3390/biology13020070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 01/18/2024] [Accepted: 01/19/2024] [Indexed: 02/24/2024]
Abstract
Endothelial dysfunction is associated with several lifestyle-related diseases, including cardiovascular and neurodegenerative diseases, and it contributes significantly to the global health burden. Recent research indicates a link between cardiovascular risk factors (CVRFs), excessive production of reactive oxygen species (ROS), mitochondrial impairment, and endothelial dysfunction. Circulating endothelial progenitor cells (EPCs) are recruited into the vessel wall to maintain appropriate endothelial function, repair, and angiogenesis. After attachment, EPCs differentiate into mature endothelial cells (ECs). Like ECs, EPCs are also susceptible to CVRFs, including metabolic dysfunction and chronic inflammation. Therefore, mitochondrial dysfunction of EPCs may have long-term effects on the function of the mature ECs into which EPCs differentiate, particularly in the presence of endothelial damage. However, a link between CVRFs and impaired mitochondrial function in EPCs has hardly been investigated. In this review, we aim to consolidate existing knowledge on the development of mitochondrial and endothelial dysfunction in the vascular endothelium, place it in the context of recent studies investigating the consequences of CVRFs on EPCs, and discuss the role of mitochondrial dysfunction. Thus, we aim to gain a comprehensive understanding of mechanisms involved in EPC deterioration in relation to CVRFs and address potential therapeutic interventions targeting mitochondrial health to promote endothelial function.
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Affiliation(s)
- Azra Kulovic-Sissawo
- Perinatal Research Laboratory, Department of Obstetrics and Gynaecology, Medical University of Graz, Auenbruggerplatz 14, 8036 Graz, Austria
- Research Unit Early Life Determinants (ELiD), Medical University of Graz, Auenbruggerplatz 14, 8036 Graz, Austria
| | - Carolina Tocantins
- Perinatal Research Laboratory, Department of Obstetrics and Gynaecology, Medical University of Graz, Auenbruggerplatz 14, 8036 Graz, Austria
- Research Unit Early Life Determinants (ELiD), Medical University of Graz, Auenbruggerplatz 14, 8036 Graz, Austria
- CNC-UC-Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
- Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, 3000-504 Coimbra, Portugal
- Doctoral Programme in Experimental Biology and Biomedicine (PDBEB), Institute for Interdisciplinary Research (IIIUC), University of Coimbra, 3004-531 Coimbra, Portugal
| | - Mariana S Diniz
- Perinatal Research Laboratory, Department of Obstetrics and Gynaecology, Medical University of Graz, Auenbruggerplatz 14, 8036 Graz, Austria
- Research Unit Early Life Determinants (ELiD), Medical University of Graz, Auenbruggerplatz 14, 8036 Graz, Austria
- CNC-UC-Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
- Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, 3000-504 Coimbra, Portugal
- Doctoral Programme in Experimental Biology and Biomedicine (PDBEB), Institute for Interdisciplinary Research (IIIUC), University of Coimbra, 3004-531 Coimbra, Portugal
| | - Elisa Weiss
- Perinatal Research Laboratory, Department of Obstetrics and Gynaecology, Medical University of Graz, Auenbruggerplatz 14, 8036 Graz, Austria
- Research Unit Early Life Determinants (ELiD), Medical University of Graz, Auenbruggerplatz 14, 8036 Graz, Austria
| | - Andreas Steiner
- Perinatal Research Laboratory, Department of Obstetrics and Gynaecology, Medical University of Graz, Auenbruggerplatz 14, 8036 Graz, Austria
- Research Unit Early Life Determinants (ELiD), Medical University of Graz, Auenbruggerplatz 14, 8036 Graz, Austria
| | - Silvija Tokic
- Research Unit of Analytical Mass Spectrometry, Cell Biology and Biochemistry of Inborn Errors of Metabolism, Department of Paediatrics and Adolescent Medicine, Medical University of Graz, Auenbruggerplatz 34, 8036 Graz, Austria
| | - Corina T Madreiter-Sokolowski
- Division of Molecular Biology and Biochemistry, Medical University of Graz, Neue Stiftingtalstraße 6, 8010 Graz, Austria
| | - Susana P Pereira
- CNC-UC-Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
- Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, 3000-504 Coimbra, Portugal
- Laboratory of Metabolism and Exercise (LaMetEx), Research Centre in Physical Activity, Health and Leisure (CIAFEL), Laboratory for Integrative and Translational Research in Population Health (ITR), Faculty of Sports, University of Porto, 4200-450 Porto, Portugal
| | - Ursula Hiden
- Perinatal Research Laboratory, Department of Obstetrics and Gynaecology, Medical University of Graz, Auenbruggerplatz 14, 8036 Graz, Austria
- Research Unit Early Life Determinants (ELiD), Medical University of Graz, Auenbruggerplatz 14, 8036 Graz, Austria
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9
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Liu H, Yao Q, Wang X, Xie H, Yang C, Gao H, Xie C. The research progress of crosstalk mechanism of autophagy and apoptosis in diabetic vascular endothelial injury. Biomed Pharmacother 2024; 170:116072. [PMID: 38147739 DOI: 10.1016/j.biopha.2023.116072] [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: 11/02/2023] [Revised: 12/08/2023] [Accepted: 12/21/2023] [Indexed: 12/28/2023] Open
Abstract
In recent years, the widespread prevalence of diabetes has become a major killer that threatens the health of people worldwide. Of particular concern is hyperglycemia-induced vascular endothelial injury, which is one of the factors that aggravate diabetic vascular disease. During the process of diabetic vascular endothelial injury, apoptosis is an important pathological manifestation and autophagy is a key regulatory mechanism. Autophagy and apoptosis interact with each other. Hence, the crosstalk mechanism between the two processes is an important means of regulating diabetic vascular endothelial injury. This article reviews the research progress in apoptosis in the context of diabetic vascular endothelial injury and discusses the crosstalk mechanism of autophagy and apoptosis and its role in this injury. The purpose is to guide the prevention and treatment of diabetic vascular endothelial injury in the future.
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Affiliation(s)
- Hanyu Liu
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610075, PR China
| | - Qiyuan Yao
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610075, PR China
| | - Xueru Wang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610075, PR China
| | - Hongyan Xie
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610075, PR China; TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Chengdu, Sichuan 610075, PR China; Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610075, PR China
| | - Chan Yang
- Division of Endocrinology and Metabolism, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, Sichuan 610041, PR China.
| | - Hong Gao
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610075, PR China; TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Chengdu, Sichuan 610075, PR China; Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610075, PR China.
| | - Chunguang Xie
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610075, PR China; TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Chengdu, Sichuan 610075, PR China; Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610075, PR China.
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10
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Kowluru RA, Mohammad G, Kumar J. Impaired Removal of the Damaged Mitochondria in the Metabolic Memory Phenomenon Associated with Continued Progression of Diabetic Retinopathy. Mol Neurobiol 2024; 61:188-199. [PMID: 37596436 PMCID: PMC10791911 DOI: 10.1007/s12035-023-03534-1] [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: 12/23/2022] [Accepted: 07/21/2023] [Indexed: 08/20/2023]
Abstract
Retinopathy fails to halt even after diabetic patients in poor glycemic control try to institute tight glycemic control, suggesting a "metabolic memory" phenomenon, and the experimental models have demonstrated that mitochondria continue to be damaged/dysfunctional, fueling into the vicious cycle of free radicals. Our aim was to investigate the role of removal of the damaged mitochondria in the metabolic memory. Using human retinal endothelial cells (HRECs), incubated in 20 mM D-glucose for 4 days, followed by 5 mM D-glucose for 4 additional days, mitochondrial turnover, formation of mitophagosome, and mitophagy flux were evaluated. Mitophagy was confirmed in a rat model of metabolic memory where the rats were kept in poor glycemic control (blood glucose ~ 400 mg/dl) for 3 months soon after induction of streptozotocin-induced diabetes, followed by 3 additional months of good control (BG < 150 mg/dl). Reversal of high glucose by normal glucose had no effect on mitochondrial turnover and mitophagosome formation, and mitophagy flux remained compromised. Similarly, 3 months of good glycemic control in rats, which had followed 3 months of poor glycemic control, had no effect on mitophagy flux. Thus, poor turnover/removal of the damaged mitochondria, initiated during poor glycemic control, does not benefit from the termination of hyperglycemic insult, and the damaged mitochondria continue to produce free radicals, suggesting the importance of mitophagy in the metabolic memory phenomenon associated with the continued progression of diabetic retinopathy.
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Affiliation(s)
- Renu A Kowluru
- Ophthalmology, Visual and Anatomical Sciences, Wayne State University, Detroit, MI, USA.
| | - Ghulam Mohammad
- Ophthalmology, Visual and Anatomical Sciences, Wayne State University, Detroit, MI, USA
| | - Jay Kumar
- Ophthalmology, Visual and Anatomical Sciences, Wayne State University, Detroit, MI, USA
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11
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Iciek M, Bilska-Wilkosz A, Kozdrowicki M, Górny M. Reactive Sulfur Species in Human Diseases. Antioxid Redox Signal 2023; 39:1000-1023. [PMID: 37440317 DOI: 10.1089/ars.2023.0261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/15/2023]
Abstract
Significance: Reactive sulfur species (RSS) have been recently recognized as redox molecules no less important than reactive oxygen species or reactive nitrogen species. They possess regulatory and protective properties and are involved in various metabolic processes, thereby contributing to the maintenance of human health. It has been documented that many disorders, including neurological, cardiovascular, and respiratory diseases, diabetes mellitus (DM), and cancer, are related to the disruption of RSS homeostasis. Recent Advances: There is still a growing interest in the role of RSS in human diseases. Since a decrease in hydrogen sulfide or other RSS has been reported in many disorders, safe and efficient RSS donors have been developed and tested under in vitro conditions or on animal models. Critical Issues: Cardiovascular diseases and DM are currently the most common chronic diseases worldwide due to stressful and unhealthy lifestyles. In addition, because of high prevalence and aging of the population, neurological disorders including Parkinson's disease and Alzheimer's disease as well as respiratory diseases are a formidable challenge for health care systems. From this point of view, the knowledge of the role of RSS in these disorders and RSS modulation options are important and could be useful in therapeutic strategies. Future Directions: Improvement and standardization of analytical methods used for RSS estimation are crucial for the use of RSS as diagnostic biomarkers. Finding good, safe RSS donors applicable for therapeutic purposes could be useful as primary or adjunctive therapy in many common diseases. Antioxid. Redox Signal. 39, 1000-1023.
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Affiliation(s)
- Małgorzata Iciek
- Faculty of Medicine, Jagiellonian University Medical College, Kraków, Poland
| | - Anna Bilska-Wilkosz
- Faculty of Medicine, Jagiellonian University Medical College, Kraków, Poland
| | - Michał Kozdrowicki
- Faculty of Medicine, Jagiellonian University Medical College, Kraków, Poland
| | - Magdalena Górny
- Faculty of Medicine, Jagiellonian University Medical College, Kraków, Poland
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12
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Zhao BH, Ruze A, Zhao L, Li QL, Tang J, Xiefukaiti N, Gai MT, Deng AX, Shan XF, Gao XM. The role and mechanisms of microvascular damage in the ischemic myocardium. Cell Mol Life Sci 2023; 80:341. [PMID: 37898977 PMCID: PMC11073328 DOI: 10.1007/s00018-023-04998-z] [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: 05/22/2023] [Revised: 09/08/2023] [Accepted: 10/02/2023] [Indexed: 10/31/2023]
Abstract
Following myocardial ischemic injury, the most effective clinical intervention is timely restoration of blood perfusion to ischemic but viable myocardium to reduce irreversible myocardial necrosis, limit infarct size, and prevent cardiac insufficiency. However, reperfusion itself may exacerbate cell death and myocardial injury, a process commonly referred to as ischemia/reperfusion (I/R) injury, which primarily involves cardiomyocytes and cardiac microvascular endothelial cells (CMECs) and is characterized by myocardial stunning, microvascular damage (MVD), reperfusion arrhythmia, and lethal reperfusion injury. MVD caused by I/R has been a neglected problem compared to myocardial injury. Clinically, the incidence of microvascular angina and/or no-reflow due to ineffective coronary perfusion accounts for 5-50% in patients after acute revascularization. MVD limiting drug diffusion into injured myocardium, is strongly associated with the development of heart failure. CMECs account for > 60% of the cardiac cellular components, and their role in myocardial I/R injury cannot be ignored. There are many studies on microvascular obstruction, but few studies on microvascular leakage, which may be mainly due to the lack of corresponding detection methods. In this review, we summarize the clinical manifestations, related mechanisms of MVD during myocardial I/R, laboratory and clinical examination means, as well as the research progress on potential therapies for MVD in recent years. Better understanding the characteristics and risk factors of MVD in patients after hemodynamic reconstruction is of great significance for managing MVD, preventing heart failure and improving patient prognosis.
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Affiliation(s)
- Bang-Hao Zhao
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asian, Department of Cardiology, the First Affiliated Hospital of Xinjiang Medical University, Clinical Medical Research Institute of Xinjiang Medical University, 137 Liyushan South Road, Urumqi, 830054, China
- Xinjiang Key Laboratory of Medical Animal Model Research, Urumqi, China
| | - Amanguli Ruze
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asian, Department of Cardiology, the First Affiliated Hospital of Xinjiang Medical University, Clinical Medical Research Institute of Xinjiang Medical University, 137 Liyushan South Road, Urumqi, 830054, China
- Xinjiang Key Laboratory of Medical Animal Model Research, Urumqi, China
| | - Ling Zhao
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asian, Department of Cardiology, the First Affiliated Hospital of Xinjiang Medical University, Clinical Medical Research Institute of Xinjiang Medical University, 137 Liyushan South Road, Urumqi, 830054, China
- Xinjiang Key Laboratory of Medical Animal Model Research, Urumqi, China
| | - Qiu-Lin Li
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asian, Department of Cardiology, the First Affiliated Hospital of Xinjiang Medical University, Clinical Medical Research Institute of Xinjiang Medical University, 137 Liyushan South Road, Urumqi, 830054, China
- Xinjiang Key Laboratory of Medical Animal Model Research, Urumqi, China
| | - Jing Tang
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asian, Department of Cardiology, the First Affiliated Hospital of Xinjiang Medical University, Clinical Medical Research Institute of Xinjiang Medical University, 137 Liyushan South Road, Urumqi, 830054, China
- Xinjiang Key Laboratory of Medical Animal Model Research, Urumqi, China
| | - Nilupaer Xiefukaiti
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asian, Department of Cardiology, the First Affiliated Hospital of Xinjiang Medical University, Clinical Medical Research Institute of Xinjiang Medical University, 137 Liyushan South Road, Urumqi, 830054, China
- Xinjiang Key Laboratory of Medical Animal Model Research, Urumqi, China
| | - Min-Tao Gai
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asian, Department of Cardiology, the First Affiliated Hospital of Xinjiang Medical University, Clinical Medical Research Institute of Xinjiang Medical University, 137 Liyushan South Road, Urumqi, 830054, China
- Xinjiang Key Laboratory of Medical Animal Model Research, Urumqi, China
| | - An-Xia Deng
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asian, Department of Cardiology, the First Affiliated Hospital of Xinjiang Medical University, Clinical Medical Research Institute of Xinjiang Medical University, 137 Liyushan South Road, Urumqi, 830054, China
- Xinjiang Key Laboratory of Medical Animal Model Research, Urumqi, China
| | - Xue-Feng Shan
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asian, Department of Cardiology, the First Affiliated Hospital of Xinjiang Medical University, Clinical Medical Research Institute of Xinjiang Medical University, 137 Liyushan South Road, Urumqi, 830054, China
- Xinjiang Key Laboratory of Medical Animal Model Research, Urumqi, China
| | - Xiao-Ming Gao
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asian, Department of Cardiology, the First Affiliated Hospital of Xinjiang Medical University, Clinical Medical Research Institute of Xinjiang Medical University, 137 Liyushan South Road, Urumqi, 830054, China.
- Xinjiang Key Laboratory of Medical Animal Model Research, Urumqi, China.
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13
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Zhang Y, Weng J, Huan L, Sheng S, Xu F. Mitophagy in atherosclerosis: from mechanism to therapy. Front Immunol 2023; 14:1165507. [PMID: 37261351 PMCID: PMC10228545 DOI: 10.3389/fimmu.2023.1165507] [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] [Received: 02/14/2023] [Accepted: 04/12/2023] [Indexed: 06/02/2023] Open
Abstract
Mitophagy is a type of autophagy that can selectively eliminate damaged and depolarized mitochondria to maintain mitochondrial activity and cellular homeostasis. Several pathways have been found to participate in different steps of mitophagy. Mitophagy plays a significant role in the homeostasis and physiological function of vascular endothelial cells, vascular smooth muscle cells, and macrophages, and is involved in the development of atherosclerosis (AS). At present, many medications and natural chemicals have been shown to alter mitophagy and slow the progression of AS. This review serves as an introduction to the field of mitophagy for researchers interested in targeting this pathway as part of a potential AS management strategy.
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Affiliation(s)
- Yanhong Zhang
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jiajun Weng
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Traditional Chinese Medicine Clinical Medical School (Xiyuan), Peking University, Beijing, China
- Department of Integrated Traditional and Western Medicine, Peking University Health Science Center, Beijing, China
| | - Luyao Huan
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Graduate School of Beijing University of Chinese Medicine, Beijing, China
| | - Song Sheng
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Fengqin Xu
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Traditional Chinese Medicine Clinical Medical School (Xiyuan), Peking University, Beijing, China
- Department of Integrated Traditional and Western Medicine, Peking University Health Science Center, Beijing, China
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14
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Salemkour Y, Lenoir O. Endothelial Autophagy Dysregulation in Diabetes. Cells 2023; 12:cells12060947. [PMID: 36980288 PMCID: PMC10047205 DOI: 10.3390/cells12060947] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 03/14/2023] [Accepted: 03/16/2023] [Indexed: 03/30/2023] Open
Abstract
Diabetes mellitus is a major public health issue that affected 537 million people worldwide in 2021, a number that is only expected to increase in the upcoming decade. Diabetes is a systemic metabolic disease with devastating macro- and microvascular complications. Endothelial dysfunction is a key determinant in the pathogenesis of diabetes. Dysfunctional endothelium leads to vasoconstriction by decreased nitric oxide bioavailability and increased expression of vasoconstrictor factors, vascular inflammation through the production of pro-inflammatory cytokines, a loss of microvascular density leading to low organ perfusion, procoagulopathy, and/or arterial stiffening. Autophagy, a lysosomal recycling process, appears to play an important role in endothelial cells, ensuring endothelial homeostasis and functions. Previous reports have provided evidence of autophagic flux impairment in patients with type I or type II diabetes. In this review, we report evidence of endothelial autophagy dysfunction during diabetes. We discuss the mechanisms driving endothelial autophagic flux impairment and summarize therapeutic strategies targeting autophagy in diabetes.
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Affiliation(s)
- Yann Salemkour
- PARCC, Inserm, Université Paris Cité, 75015 Paris, France
| | - Olivia Lenoir
- PARCC, Inserm, Université Paris Cité, 75015 Paris, France
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15
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Chen Z, Ouyang C, Zhang H, Gu Y, Deng Y, Du C, Cui C, Li S, Wang W, Kong W, Chen J, Cai J, Geng B. Vascular smooth muscle cell-derived hydrogen sulfide promotes atherosclerotic plaque stability via TFEB (transcription factor EB)-mediated autophagy. Autophagy 2022; 18:2270-2287. [PMID: 35090378 PMCID: PMC9542771 DOI: 10.1080/15548627.2022.2026097] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Vascular smooth muscle cells (VSMCs) contribute to plaque stability. VSMCs are also a major source of CTH (cystathionine gamma-lyase)-hydrogen sulfide (H2S), a protective gasotransmitter in atherosclerosis. However, the role of VSMC endogenous CTH-H2S in pathogenesis of plaque stability and the mechanism are unknown. In human carotid plaques, CTH expression in ACTA2+ cells was dramatically downregulated in lesion areas in comparison to non-lesion areas. Intraplaque CTH expression was positively correlated with collagen content, whereas there was a negative correlation with CD68+ and necrotic core area, resulting in a rigorous correlation with vulnerability index (r = -0.9033). Deletion of Cth in VSMCs exacerbated plaque vulnerability, and were associated with VSMC autophagy decline, all of which were rescued by H2S donor. In ox-LDL treated VSMCs, cth deletion reduced collagen and heightened apoptosis association with autophagy reduction, and vice versa. For the mechanism, CTH-H2S mediated VSMC autophagosome formation, autolysosome formation and lysosome function, in part by activation of TFEB, a master regulator for autophagy. Interference with TFEB blocked CTH-H2S effects on VSMCs collagen and apoptosis. Next, we demonstrated that CTH-H2S sulfhydrated TFEB at Cys212 site, facilitating its nuclear translocation, and then promoting transcription of its target genes such as ATG9A, LAPTM5 or LDLRAP1. Conclusively, CTH-H2S increases VSMC autophagy by sulfhydration and activation of TFEB, promotes collagen secretion and inhibits apoptosis, thereby attenuating atherogenesis and plaque vulnerability. CTH-H2S may act as a warning biomarker for vulnerable plaque.Abbreviations ATG9A: autophagy related 9A; CTH: cystathionine gamma-lyase; CQ: chloroquine; HASMCs: human aortic smooth muscle cells; H2S: hydrogen sulfide; LAMP1: lysosomal associated membrane protein 1; LAPTM5: lysosomal protein transmembrane 5; NaHS: sodium hydrosulfide hydrate; ox-LDL: oxidized-low density lipoprotein; PPG: DL- propagylglycine; TFEB: transcription factor EB; 3-MA: 3-methyladenine; VSMCs: vascular smooth muscle cells.
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Affiliation(s)
- Zhenzhen Chen
- Hypertension Center, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Chenxi Ouyang
- Department of Vascular Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing, Beijing, China
| | - Haizeng Zhang
- Hypertension Center, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yuanrui Gu
- Department of Vascular Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing, Beijing, China
| | - Yue Deng
- Hypertension Center, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Congkuo Du
- Institute of Hypoxia Medicine, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Changting Cui
- Hypertension Center, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Shuangyue Li
- Hypertension Center, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Wenjie Wang
- Hypertension Center, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Wei Kong
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Jingzhou Chen
- Hypertension Center, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China,CONTACT Jingzhou Chen ; Jun Cai ; Bin Geng Hypertension Center, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jun Cai
- Hypertension Center, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Bin Geng
- Hypertension Center, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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16
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Dai X, Wang K, Fan J, Liu H, Fan X, Lin Q, Chen Y, Chen H, Li Y, Liu H, Chen O, Chen J, Li X, Ren D, Li J, Conklin DJ, Wintergerst KA, Li Y, Cai L, Deng Z, Yan X, Tan Y. Nrf2 transcriptional upregulation of IDH2 to tune mitochondrial dynamics and rescue angiogenic function of diabetic EPCs. Redox Biol 2022; 56:102449. [PMID: 36063728 PMCID: PMC9463384 DOI: 10.1016/j.redox.2022.102449] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 07/30/2022] [Accepted: 08/15/2022] [Indexed: 01/11/2023] Open
Abstract
Endothelial progenitor cells (EPCs) are reduced in number and impaired in function in diabetic patients. Whether and how Nrf2 regulates the function of diabetic EPCs remains unclear. In this study, we found that the expression of Nrf2 and its downstream genes were decreased in EPCs from both diabetic patients and db/db mice. Survival ability and angiogenic function of EPCs from diabetic patients and db/db mice also were impaired. Gain- and loss-of-function studies, respectively, showed that knockdown of Nrf2 increased apoptosis and impaired tube formation in EPCs from healthy donors and wild-type mice, while Nrf2 overexpression decreased apoptosis and rescued tube formation in EPCs from diabetic patients and db/db mice. Additionally, proangiogenic function of Nrf2-manipulated mouse EPCs was validated in db/db mice with hind limb ischemia. Mechanistic studies demonstrated that diabetes induced mitochondrial fragmentation and dysfunction of EPCs by dysregulating the abundance of proteins controlling mitochondrial dynamics; upregulating Nrf2 expression attenuated diabetes-induced mitochondrial fragmentation and dysfunction and rectified the abundance of proteins controlling mitochondrial dynamics. Further RNA-sequencing analysis demonstrated that Nrf2 specifically upregulated the transcription of isocitrate dehydrogenase 2 (IDH2), a key enzyme regulating tricarboxylic acid cycle and mitochondrial function. Overexpression of IDH2 rectified Nrf2 knockdown- or diabetes-induced mitochondrial fragmentation and EPC dysfunction. In a therapeutic approach, supplementation of an Nrf2 activator sulforaphane enhanced angiogenesis and blood perfusion recovery in db/db mice with hind limb ischemia. Collectively, these findings indicate that Nrf2 is a potential therapeutic target for improving diabetic EPC function. Thus, elevating Nrf2 expression enhances EPC resistance to diabetes-induced oxidative damage and improves therapeutic efficacy of EPCs in treating diabetic limb ischemia likely via transcriptional upregulating IDH2 expression and improving mitochondrial function of diabetic EPCs.
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Affiliation(s)
- Xiaozhen Dai
- School of Biosciences and Technology, Chengdu Medical College, Chengdu, Sichuan, China,Pediatric Research Institute, Department of Pediatrics, University of Louisville School of Medicine, Louisville, KY, USA
| | - Kai Wang
- Department of Pediatrics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Jiawei Fan
- School of Biosciences and Technology, Chengdu Medical College, Chengdu, Sichuan, China
| | - Hanjie Liu
- School of Laboratory Medicine, Chengdu Medical College, Chengdu, China
| | - Xia Fan
- Chinese-American Research Institute for Diabetic Complications, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Qian Lin
- Pediatric Research Institute, Department of Pediatrics, University of Louisville School of Medicine, Louisville, KY, USA
| | - Yuhang Chen
- School of Laboratory Medicine, Chengdu Medical College, Chengdu, China
| | - Hu Chen
- The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, China
| | - Yao Li
- The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, China
| | - Hairong Liu
- The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, China
| | - Oscar Chen
- Pediatric Research Institute, Department of Pediatrics, University of Louisville School of Medicine, Louisville, KY, USA
| | - Jing Chen
- Pediatric Research Institute, Department of Pediatrics, University of Louisville School of Medicine, Louisville, KY, USA
| | - Xiaohong Li
- Kentucky IDeA Network for Biomedical Research Excellence Bioinformatics Core, University of Louisville, Louisville, KY, USA
| | - Di Ren
- Department of Surgery, Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | - Ji Li
- Department of Surgery, Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | - Daniel J. Conklin
- Department of Medicine and Diabetes and Obesity Center, University of Louisville, Louisville, KY, USA
| | - Kupper A. Wintergerst
- Pediatric Research Institute, Department of Pediatrics, University of Louisville School of Medicine, Louisville, KY, USA,Division of Endocrinology, Department of Pediatrics, University of Louisville, Norton Children’s Hospital, Louisville, KY, USA,Wendy L. Novak Diabetes Care Center, Norton Children’s Hospital, Louisville, KY, USA
| | - Yu Li
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Lu Cai
- Pediatric Research Institute, Department of Pediatrics, University of Louisville School of Medicine, Louisville, KY, USA,Wendy L. Novak Diabetes Care Center, Norton Children’s Hospital, Louisville, KY, USA
| | - Zhongbin Deng
- Department of Surgery, Division of Immunotherapy, University of Louisville, Louisville, KY, USA
| | - Xiaoqing Yan
- Chinese-American Research Institute for Diabetic Complications, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China,Corresponding author. Chinese-American Research Institute for Diabetic Complications, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China.
| | - Yi Tan
- Pediatric Research Institute, Department of Pediatrics, University of Louisville School of Medicine, Louisville, KY, USA,Wendy L. Novak Diabetes Care Center, Norton Children’s Hospital, Louisville, KY, USA,Corresponding author. Pediatric Research Institute, Department of Pediatrics of the University of Louisville School of Medicine, 570 South Preston Street, Baxter-I Building Suite 304E, Louisville, KY, 40202 USA.
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17
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Yang YW, Deng NH, Tian KJ, Liu LS, Wang Z, Wei DH, Liu HT, Jiang ZS. Development of hydrogen sulfide donors for anti-atherosclerosis therapeutics research: Challenges and future priorities. Front Cardiovasc Med 2022; 9:909178. [PMID: 36035922 PMCID: PMC9412017 DOI: 10.3389/fcvm.2022.909178] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 07/28/2022] [Indexed: 11/16/2022] Open
Abstract
Hydrogen sulfide (H2S), a gas transmitter found in eukaryotic organisms, plays an essential role in several physiological processes. H2S is one of the three primary biological gas transmission signaling mediators, along with nitric oxide and carbon monoxide. Several animal and in vitro experiments have indicated that H2S can prevent coronary endothelial mesenchymal transition, reduce the expression of endothelial cell adhesion molecules, and stabilize intravascular plaques, suggesting its potential role in the treatment of atherosclerosis (AS). H2S donors are compounds that can release H2S under certain circumstances. Development of highly targeted H2S donors is a key imperative as these can allow for in-depth evaluation of the anti-atherosclerotic effects of exogenous H2S. More importantly, identification of an optimal H2S donor is critical for the creation of H2S anti-atherosclerotic prodrugs. In this review, we discuss a wide range of H2S donors with anti-AS potential along with their respective transport pathways and design-related limitations. We also discuss the utilization of nano-synthetic technologies to manufacture H2S donors. This innovative and effective design example sheds new light on the production of highly targeted H2S donors.
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Affiliation(s)
- Ye-Wei Yang
- Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Institute of Pathogenic Biology, Hengyang Medical School, University of South China, Hengyang, China
| | - Nian-Hua Deng
- Key Laboratory for Arteriosclerosis of Hunan Province, Hengyang Medical College, Institute of Cardiovascular Disease, University of South China, Hengyang, China
| | - Kai-Jiang Tian
- Key Laboratory for Arteriosclerosis of Hunan Province, Hengyang Medical College, Institute of Cardiovascular Disease, University of South China, Hengyang, China
| | - Lu-Shan Liu
- Key Laboratory for Arteriosclerosis of Hunan Province, Hengyang Medical College, Institute of Cardiovascular Disease, University of South China, Hengyang, China
| | - Zuo Wang
- Key Laboratory for Arteriosclerosis of Hunan Province, Hengyang Medical College, Institute of Cardiovascular Disease, University of South China, Hengyang, China
| | - Dang-Heng Wei
- Key Laboratory for Arteriosclerosis of Hunan Province, Hengyang Medical College, Institute of Cardiovascular Disease, University of South China, Hengyang, China
| | - Hui-Ting Liu
- Key Laboratory for Arteriosclerosis of Hunan Province, Hengyang Medical College, Institute of Cardiovascular Disease, University of South China, Hengyang, China
| | - Zhi-Sheng Jiang
- Key Laboratory for Arteriosclerosis of Hunan Province, Hengyang Medical College, Institute of Cardiovascular Disease, University of South China, Hengyang, China
- *Correspondence: Zhi-Sheng Jiang
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18
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Endothelial Autophagy in Coronary Microvascular Dysfunction and Cardiovascular Disease. Cells 2022; 11:cells11132081. [PMID: 35805165 PMCID: PMC9265562 DOI: 10.3390/cells11132081] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 06/22/2022] [Accepted: 06/28/2022] [Indexed: 02/06/2023] Open
Abstract
Coronary microvascular dysfunction (CMD) refers to a subset of structural and/or functional disorders of coronary microcirculation that lead to impaired coronary blood flow and eventually myocardial ischemia. Amid the growing knowledge of the pathophysiological mechanisms and the development of advanced tools for assessment, CMD has emerged as a prevalent cause of a broad spectrum of cardiovascular diseases (CVDs), including obstructive and nonobstructive coronary artery disease, diabetic cardiomyopathy, and heart failure with preserved ejection fraction. Of note, the endothelium exerts vital functions in regulating coronary microvascular and cardiac function. Importantly, insufficient or uncontrolled activation of endothelial autophagy facilitates the pathogenesis of CMD in diverse CVDs. Here, we review the progress in understanding the pathophysiological mechanisms of autophagy in coronary endothelial cells and discuss their potential role in CMD and CVDs.
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19
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Munteanu C, Rotariu M, Turnea M, Dogaru G, Popescu C, Spînu A, Andone I, Postoiu R, Ionescu EV, Oprea C, Albadi I, Onose G. Recent Advances in Molecular Research on Hydrogen Sulfide (H 2S) Role in Diabetes Mellitus (DM)-A Systematic Review. Int J Mol Sci 2022; 23:ijms23126720. [PMID: 35743160 PMCID: PMC9223903 DOI: 10.3390/ijms23126720] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 06/10/2022] [Accepted: 06/13/2022] [Indexed: 02/01/2023] Open
Abstract
Abundant experimental data suggest that hydrogen sulfide (H2S) is related to the pathophysiology of Diabetes Mellitus (DM). Multiple molecular mechanisms, including receptors, membrane ion channels, signalingmolecules, enzymes, and transcription factors, are known to be responsible for the H2S biological actions; however, H2S is not fully documented as a gaseous signaling molecule interfering with DM and vascular-linked pathology. In recent decades, multiple approaches regarding therapeutic exploitation of H2S have been identified, either based on H2S exogenous apport or on its modulated endogenous biosynthesis. This paper aims to synthesize and systematize, as comprehensively as possible, the recent literature-related data regarding the therapeutic/rehabilitative role of H2S in DM. This review was conducted following the “Preferred reporting items for systematic reviews and meta-analyses” (PRISMA) methodology, interrogating five international medically renowned databases by specific keyword combinations/“syntaxes” used contextually, over the last five years (2017–2021). The respective search/filtered and selection methodology we applied has identified, in the first step, 212 articles. After deploying the next specific quest steps, 51 unique published papers qualified for minute analysis resulted. To these bibliographic resources obtained through the PRISMA methodology, in order to have the best available information coverage, we added 86 papers that were freely found by a direct internet search. Finally, we selected for a connected meta-analysis eight relevant reports that included 1237 human subjects elicited from clinical trial registration platforms. Numerous H2S releasing/stimulating compounds have been produced, some being used in experimental models. However, very few of them were further advanced in clinical studies, indicating that the development of H2S as a therapeutic agent is still at the beginning.
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Affiliation(s)
- Constantin Munteanu
- Faculty of Medical Bioengineering, University of Medicine and Pharmacy “Grigore T. Popa” Iași, 700115 Iași, Romania; (M.R.); (M.T.)
- Teaching Emergency Hospital “Bagdasar-Arseni”, 041915 Bucharest, Romania; (C.P.); (A.S.); (I.A.); (R.P.)
- Correspondence: (C.M.); (G.O.)
| | - Mariana Rotariu
- Faculty of Medical Bioengineering, University of Medicine and Pharmacy “Grigore T. Popa” Iași, 700115 Iași, Romania; (M.R.); (M.T.)
| | - Marius Turnea
- Faculty of Medical Bioengineering, University of Medicine and Pharmacy “Grigore T. Popa” Iași, 700115 Iași, Romania; (M.R.); (M.T.)
| | - Gabriela Dogaru
- Clinical Rehabilitation Hospital, 400066 Cluj-Napoca, Romania;
- Faculty of Medicine, “Iuliu Hatieganu” University of Medicine and Pharmacy, 400347 Cluj-Napoca, Romania
| | - Cristina Popescu
- Teaching Emergency Hospital “Bagdasar-Arseni”, 041915 Bucharest, Romania; (C.P.); (A.S.); (I.A.); (R.P.)
| | - Aura Spînu
- Teaching Emergency Hospital “Bagdasar-Arseni”, 041915 Bucharest, Romania; (C.P.); (A.S.); (I.A.); (R.P.)
- Faculty of Medicine, University of Medicine and Pharmacy “Carol Davila”, 050474 Bucharest, Romania
| | - Ioana Andone
- Teaching Emergency Hospital “Bagdasar-Arseni”, 041915 Bucharest, Romania; (C.P.); (A.S.); (I.A.); (R.P.)
- Faculty of Medicine, University of Medicine and Pharmacy “Carol Davila”, 050474 Bucharest, Romania
| | - Ruxandra Postoiu
- Teaching Emergency Hospital “Bagdasar-Arseni”, 041915 Bucharest, Romania; (C.P.); (A.S.); (I.A.); (R.P.)
| | - Elena Valentina Ionescu
- Faculty of Medicine, Ovidius University of Constanta, 900527 Constanta, Romania; (E.V.I.); (C.O.); (I.A.)
- Balneal and Rehabilitation Sanatorium of Techirghiol, 906100 Techirghiol, Romania
| | - Carmen Oprea
- Faculty of Medicine, Ovidius University of Constanta, 900527 Constanta, Romania; (E.V.I.); (C.O.); (I.A.)
- Balneal and Rehabilitation Sanatorium of Techirghiol, 906100 Techirghiol, Romania
| | - Irina Albadi
- Faculty of Medicine, Ovidius University of Constanta, 900527 Constanta, Romania; (E.V.I.); (C.O.); (I.A.)
- Teaching Emergency County Hospital “Sf. Apostol Andrei” Constanta, 900591 Constanta, Romania
| | - Gelu Onose
- Teaching Emergency Hospital “Bagdasar-Arseni”, 041915 Bucharest, Romania; (C.P.); (A.S.); (I.A.); (R.P.)
- Faculty of Medicine, University of Medicine and Pharmacy “Carol Davila”, 050474 Bucharest, Romania
- Correspondence: (C.M.); (G.O.)
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20
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Lu ZY, Guo CL, Yang B, Yao Y, Yang ZJ, Gong YX, Yang JY, Dong WY, Yang J, Yang HB, Liu HM, Li B. Hydrogen Sulfide Diminishes Activation of Adventitial Fibroblasts Through the Inhibition of Mitochondrial Fission. J Cardiovasc Pharmacol 2022; 79:925-934. [PMID: 35234738 PMCID: PMC9162271 DOI: 10.1097/fjc.0000000000001250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 02/09/2022] [Indexed: 11/25/2022]
Abstract
ABSTRACT Activation of adventitial fibroblasts (AFs) on vascular injury contributes to vascular remodeling. Hydrogen sulfide (H2S), a gaseous signal molecule, modulates various cardiovascular functions. The aim of this study was to explore whether exogenous H2S ameliorates transforming growth factor-β1 (TGF-β1)-induced activation of AFs and, if so, to determine the underlying molecular mechanisms. Immunofluorescent staining and western blot were used to determine the expression of collagen I and α-smooth muscle actin. The proliferation and migration of AFs were performed by using cell counting Kit-8 and transwell assay, respectively. The mitochondrial morphology was assessed by using MitoTracker Red staining. The activation of signaling pathway was evaluated by western blot. The mitochondrial reactive oxygen species and mitochondrial membrane potential were determined by MitoSOX and JC-1 (5,5',6,6'-tetrachloro-1,1,3,3'-tetraethylbenzimidazolyl carbocyanine iodide) staining. Our study demonstrated exogenous H2S treatment dramatically suppressed TGF-β1-induced AF proliferation, migration, and phenotypic transition by blockage of dynamin-related protein 1 (Drp1)-mediated mitochondrial fission and regulated mitochondrial reactive oxygen species generation. Moreover, exogenous H2S reversed TGF-β1-induced mitochondrial fission and AF activation by modulating Rho-associated protein kinase 1-dependent phosphorylation of Drp1. In conclusion, our results suggested that exogenous H2S attenuates TGF-β1-induced AF activation through suppression of Drp1-mediated mitochondrial fission in a Rho-associated protein kinase 1-dependent fashion.
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Affiliation(s)
- Zhao-Yang Lu
- Department of Cardiology, The Second Hospital of Shanxi Medical University, Taiyuan, China;
- Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, and the Department of Physiology, Shanxi Medical University, Taiyuan, China;
| | - Chun-Ling Guo
- Department of Cardiology, The Second Hospital of Shanxi Medical University, Taiyuan, China;
| | - Bin Yang
- Department of Cardiology, The Second Hospital of Shanxi Medical University, Taiyuan, China;
| | - Yao Yao
- Department of Cardiology, The Second Hospital of Shanxi Medical University, Taiyuan, China;
| | - Zhuo-Jing Yang
- Department of Cardiology, The Second Hospital of Shanxi Medical University, Taiyuan, China;
- Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, and the Department of Physiology, Shanxi Medical University, Taiyuan, China;
| | - Yu-Xin Gong
- Department of Cardiology, The Second Hospital of Shanxi Medical University, Taiyuan, China;
- Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, and the Department of Physiology, Shanxi Medical University, Taiyuan, China;
| | - Jing-Yao Yang
- Department of Cardiology, The Second Hospital of Shanxi Medical University, Taiyuan, China;
- Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, and the Department of Physiology, Shanxi Medical University, Taiyuan, China;
| | - Wen-Yuan Dong
- Department of Cardiology, The Second Hospital of Shanxi Medical University, Taiyuan, China;
| | - Jun Yang
- Department of Cardiology, The Second Hospital of Shanxi Medical University, Taiyuan, China;
| | - Hai-Bing Yang
- Department of Cardiology, Yingshang First Hospital, Fuyang, China; and
| | - Hui-Min Liu
- Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, and the Department of Physiology, Shanxi Medical University, Taiyuan, China;
- Department of Hematology, The Second Hospital of Shanxi Medical University, Taiyuan, China.
| | - Bao Li
- Department of Cardiology, The Second Hospital of Shanxi Medical University, Taiyuan, China;
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21
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Cirino G, Szabo C, Papapetropoulos A. Physiological roles of hydrogen sulfide in mammalian cells, tissues and organs. Physiol Rev 2022; 103:31-276. [DOI: 10.1152/physrev.00028.2021] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
H2S belongs to the class of molecules known as gasotransmitters, which also includes nitric oxide (NO) and carbon monoxide (CO). Three enzymes are recognized as endogenous sources of H2S in various cells and tissues: cystathionine g-lyase (CSE), cystathionine β-synthase (CBS) and 3-mercaptopyruvate sulfurtransferase (3-MST). The current article reviews the regulation of these enzymes as well as the pathways of their enzymatic and non-enzymatic degradation and elimination. The multiple interactions of H2S with other labile endogenous molecules (e.g. NO) and reactive oxygen species are also outlined. The various biological targets and signaling pathways are discussed, with special reference to H2S and oxidative posttranscriptional modification of proteins, the effect of H2S on channels and intracellular second messenger pathways, the regulation of gene transcription and translation and the regulation of cellular bioenergetics and metabolism. The pharmacological and molecular tools currently available to study H2S physiology are also reviewed, including their utility and limitations. In subsequent sections, the role of H2S in the regulation of various physiological and cellular functions is reviewed. The physiological role of H2S in various cell types and organ systems are overviewed. Finally, the role of H2S in the regulation of various organ functions is discussed as well as the characteristic bell-shaped biphasic effects of H2S. In addition, key pathophysiological aspects, debated areas, and future research and translational areas are identified A wide array of significant roles of H2S in the physiological regulation of all organ functions emerges from this review.
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Affiliation(s)
- Giuseppe Cirino
- Department of Pharmacy, School of Medicine, University of Naples Federico II, Naples, Italy
| | - Csaba Szabo
- Chair of Pharmacology, Section of Medicine, University of Fribourg, Switzerland
| | - Andreas Papapetropoulos
- Laboratory of Pharmacology, Faculty of Pharmacy, National and Kapodistrian University of Athens, Athens, Greece & Clinical, Experimental Surgery and Translational Research Center, Biomedical Research Foundation of the Academy of Athens, Greece
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22
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Wen X, Xi Y, Zhang Y, Jiao L, Shi S, Bai S, Sun F, Chang G, Wu R, Hao J, Li H. DR1 activation promotes vascular smooth muscle cell apoptosis via up-regulation of CSE/H 2 S pathway in diabetic mice. FASEB J 2021; 36:e22070. [PMID: 34859931 DOI: 10.1096/fj.202101455r] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 11/07/2021] [Accepted: 11/12/2021] [Indexed: 12/20/2022]
Abstract
The important role of hydrogen sulfide (H2 S) as a novel gasotransmitter in inhibiting proliferation and promoting apoptosis of vascular smooth muscle cells (VSMCs) has been widely recognized. The dopamine D1 receptor (DR1), a G protein coupled receptor, inhibits atherosclerosis by suppressing VSMC proliferation. However, whether DR1 contributes to VSMC apoptosis via the induction of endogenous H2 S in diabetic mice is unclear. Here, we found that hyperglycemia decreased the expressions of DR1 and cystathionine-γ-lyase (CSE, a key enzyme for endogenous H2 S production) and reduced endogenous H2 S generation in mouse arteries and cultured VSMCs. DR1 agonist SKF38393 increased DR1 and CSE expressions and stimulated endogenous H2 S generation. Sodium hydrosulfide (NaHS, a H2 S donor) increased CSE expressions and H2 S generation but had no effect on DR1 expression. In addition, high glucose (HG) increased VSMC apoptosis, up-regulated IGF-1-IGF-1R and HB-EGF-EGFR, and stimulated ERK1/2 and PI3K-Akt pathways. Overexpression of DR1, the addition of SKF38393 or supply of NaHS further promoted VSMC apoptosis and down-regulated the above pathways. Knock out of CSE or the addition of the CSE inhibitor poly propylene glycol diminished the effect of SKF38393. Moreover, calmodulin (CaM) interacted with CSE in VSMCs; HG increased intracellular Ca2+ concentration and induced CaM expression, further strengthened the interaction of CaM with CSE in VSMCs, which were further enhanced by SKF38393. CaM inhibitor W-7, inositol 1,4,5-trisphosphate (IP3 ) inhibitor 2-APB, or ryanodine receptor inhibitor tetracaine abolished the stimulatory effect of SKF38393 on CaM expression and intracellular Ca2+ concentration. Taken together, these results suggest that DR1 up-regulates CSE/H2 S signaling by inducing the Ca2+ -CaM pathway followed by down-regulations of IGF-1-IGF-1R and HB-EGF-EGFR and their downstream ERK1/2 and PI3K-Akt, finally promoting the apoptosis of VSMCs in diabetic mice.
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Affiliation(s)
- Xin Wen
- Department of Pathophysiology, Harbin Medical University, Harbin, China
| | - Yuxin Xi
- Department of Pathophysiology, Harbin Medical University, Harbin, China
| | - Yuanzhou Zhang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lijie Jiao
- School of Medicine, Xiamen University, Xiamen, China
| | - Sa Shi
- Department of Pathophysiology, Harbin Medical University, Harbin, China
| | - Shuzhi Bai
- Department of Pathophysiology, Harbin Medical University, Harbin, China
| | - Fengqi Sun
- Department of Pathophysiology, Harbin Medical University, Harbin, China
| | - Guiquan Chang
- Department of Pathophysiology, Harbin Medical University, Harbin, China
| | - Ren Wu
- Department of Pathophysiology, Harbin Medical University, Harbin, China
| | - Jinghui Hao
- Department of Pathophysiology, Harbin Medical University, Harbin, China
| | - Hongzhu Li
- Department of Pathophysiology, Harbin Medical University, Harbin, China.,School of Medicine, Xiamen University, Xiamen, China
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23
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Zhang T, Liu Q, Gao W, Sehgal SA, Wu H. The multifaceted regulation of mitophagy by endogenous metabolites. Autophagy 2021; 18:1216-1239. [PMID: 34583624 DOI: 10.1080/15548627.2021.1975914] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Owing to the dominant functions of mitochondria in multiple cellular metabolisms and distinct types of regulated cell death, maintaining a functional mitochondrial network is fundamental for the cellular homeostasis and body fitness in response to physiological adaptations and stressed conditions. The process of mitophagy, in which the dysfunctional or superfluous mitochondria are selectively engulfed by autophagosome and subsequently degraded in lysosome, has been well formulated as one of the major mechanisms for mitochondrial quality control. To date, the PINK1-PRKN-dependent and receptors (including proteins and lipids)-dependent pathways have been characterized to determine the mitophagy in mammalian cells. The mitophagy is highly responsive to the dynamics of endogenous metabolites, including iron-, calcium-, glycolysis-TCA-, NAD+-, amino acids-, fatty acids-, and cAMP-associated metabolites. Herein, we summarize the recent advances toward the molecular details of mitophagy regulation in mammalian cells. We also highlight the key regulations of mammalian mitophagy by endogenous metabolites, shed new light on the bidirectional interplay between mitophagy and cellular metabolisms, with attempting to provide a perspective insight into the nutritional intervention of metabolic disorders with mitophagy deficit.Abbreviations: acetyl-CoA: acetyl-coenzyme A; ACO1: aconitase 1; ADCYs: adenylate cyclases; AMPK: AMP-activated protein kinase; ATM: ATM serine/threonine kinase; BCL2L1: BCL2 like 1; BCL2L13: BCL2 like 13; BNIP3: BCL2 interacting protein 3; BNIP3L: BCL2 interacting protein 3 like; Ca2+: calcium ion; CALCOCO2: calcium binding and coiled-coil domain 2; CANX: calnexin; CO: carbon monoxide; CYCS: cytochrome c, somatic; DFP: deferiprone; DNM1L: dynamin 1 like; ER: endoplasmic reticulum; FKBP8: FKBP prolyl isomerase 8; FOXO3: forkhead box O3; FTMT: ferritin mitochondrial; FUNDC1: FUN14 domain containing 1; GABA: γ-aminobutyric acid; GSH: glutathione; HIF1A: hypoxia inducible factor 1 subunit alpha; IMMT: inner membrane mitochondrial protein; IRP1: iron regulatory protein 1; ISC: iron-sulfur cluster; ITPR2: inositol 1,4,5-trisphosphate type 2 receptor; KMO: kynurenine 3-monooxygenase; LIR: LC3 interacting region; MAM: mitochondria-associated membrane; MAP1LC3: microtubule associated protein 1 light chain 3; MFNs: mitofusins; mitophagy: mitochondrial autophagy; mPTP: mitochondrial permeability transition pore; MTOR: mechanistic target of rapamycin kinase; NAD+: nicotinamide adenine dinucleotide; NAM: nicotinamide; NMN: nicotinamide mononucleotide; NO: nitric oxide; NPA: Niemann-Pick type A; NR: nicotinamide riboside; NR4A1: nuclear receptor subfamily 4 group A member 1; NRF1: nuclear respiratory factor 1; OPA1: OPA1 mitochondrial dynamin like GTPase; OPTN: optineurin; PARL: presenilin associated rhomboid like; PARPs: poly(ADP-ribose) polymerases; PC: phosphatidylcholine; PHB2: prohibitin 2; PINK1: PTEN induced kinase 1; PPARG: peroxisome proliferator activated receptor gamma; PPARGC1A: PPARG coactivator 1 alpha; PRKA: protein kinase AMP-activated; PRKDC: protein kinase, DNA-activated, catalytic subunit; PRKN: parkin RBR E3 ubiquitin protein ligase; RHOT: ras homolog family member T; ROS: reactive oxygen species; SIRTs: sirtuins; STK11: serine/threonine kinase 11; TCA: tricarboxylic acid; TP53: tumor protein p53; ULK1: unc-51 like autophagy activating kinase 1; VDAC1: voltage dependent anion channel 1.
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Affiliation(s)
- Ting Zhang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China.,Hubei Hongshan Laboratory, Wuhan, China.,Interdisciplinary Sciences Research Institute, Huazhong Agricultural University, Wuhan, China
| | - Qian Liu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China.,Hubei Hongshan Laboratory, Wuhan, China.,Interdisciplinary Sciences Research Institute, Huazhong Agricultural University, Wuhan, China
| | - Weihua Gao
- Hubei Hongshan Laboratory, Wuhan, China.,Interdisciplinary Sciences Research Institute, Huazhong Agricultural University, Wuhan, China.,State Key Laboratory of Agricultural Microbiology, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
| | | | - Hao Wu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China.,Hubei Hongshan Laboratory, Wuhan, China.,Interdisciplinary Sciences Research Institute, Huazhong Agricultural University, Wuhan, China
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24
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Robert P, Nguyen PMC, Richard A, Grenier C, Chevrollier A, Munier M, Grimaud L, Proux C, Champin T, Lelièvre E, Sarzi E, Vessières E, Henni S, Prunier D, Reynier P, Lenaers G, Fassot C, Henrion D, Loufrani L. Protective role of the mitochondrial fusion protein OPA1 in hypertension. FASEB J 2021; 35:e21678. [PMID: 34133045 DOI: 10.1096/fj.202000238rrr] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 05/04/2021] [Accepted: 05/04/2021] [Indexed: 11/11/2022]
Abstract
Hypertension is associated with excessive reactive oxygen species (ROS) production in vascular cells. Mitochondria undergo fusion and fission, a process playing a role in mitochondrial function. OPA1 is essential for mitochondrial fusion. Loss of OPA1 is associated with ROS production and cell dysfunction. We hypothesized that mitochondria fusion could reduce oxidative stress that defect in fusion would exacerbate hypertension. Using (a) Opa1 haploinsufficiency in isolated resistance arteries from Opa1+/- mice, (b) primary vascular cells from Opa1+/- mice, and (c) RNA interference experiments with siRNA against Opa1 in vascular cells, we investigated the role of mitochondria fusion in hypertension. In hypertension, Opa1 haploinsufficiency induced altered mitochondrial cristae structure both in vascular smooth muscle and endothelial cells but did not modify protein level of long and short forms of OPA1. In addition, we demonstrated an increase of mitochondrial ROS production, associated with a decrease of superoxide dismutase 1 protein expression. We also observed an increase of apoptosis in vascular cells and a decreased VSMCs proliferation. Blood pressure, vascular contractility, as well as endothelium-dependent and -independent relaxation were similar in Opa1+/- , WT, L-NAME-treated Opa1+/- and WT mice. Nevertheless, chronic NO-synthase inhibition with L-NAME induced a greater hypertension in Opa1+/- than in WT mice without compensatory arterial wall hypertrophy. This was associated with a stronger reduction in endothelium-dependent relaxation due to excessive ROS production. Our results highlight the protective role of mitochondria fusion in the vasculature during hypertension by limiting mitochondria ROS production.
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Affiliation(s)
- Pauline Robert
- MITOVASC Institute and CARFI Facility, University of Angers, Angers, France
- UMR CNRS 6015, Angers, France
- INSERM U1083, Angers, France
| | - Phuc Minh Chau Nguyen
- MITOVASC Institute and CARFI Facility, University of Angers, Angers, France
- UMR CNRS 6015, Angers, France
- INSERM U1083, Angers, France
| | - Alexis Richard
- MITOVASC Institute and CARFI Facility, University of Angers, Angers, France
- UMR CNRS 6015, Angers, France
- INSERM U1083, Angers, France
| | - Céline Grenier
- MITOVASC Institute and CARFI Facility, University of Angers, Angers, France
- UMR CNRS 6015, Angers, France
- INSERM U1083, Angers, France
| | - Arnaud Chevrollier
- MITOVASC Institute and CARFI Facility, University of Angers, Angers, France
- UMR CNRS 6015, Angers, France
- INSERM U1083, Angers, France
| | - Mathilde Munier
- MITOVASC Institute and CARFI Facility, University of Angers, Angers, France
- UMR CNRS 6015, Angers, France
- INSERM U1083, Angers, France
| | - Linda Grimaud
- MITOVASC Institute and CARFI Facility, University of Angers, Angers, France
- UMR CNRS 6015, Angers, France
- INSERM U1083, Angers, France
| | - Coralyne Proux
- MITOVASC Institute and CARFI Facility, University of Angers, Angers, France
- UMR CNRS 6015, Angers, France
- INSERM U1083, Angers, France
| | - Tristan Champin
- MITOVASC Institute and CARFI Facility, University of Angers, Angers, France
- UMR CNRS 6015, Angers, France
- INSERM U1083, Angers, France
| | - Eric Lelièvre
- MITOVASC Institute and CARFI Facility, University of Angers, Angers, France
| | - Emmanuelle Sarzi
- Institute for Neurosciences of Montpellier-INSERM U1051, Montpellier, France
| | - Emilie Vessières
- MITOVASC Institute and CARFI Facility, University of Angers, Angers, France
- UMR CNRS 6015, Angers, France
- INSERM U1083, Angers, France
| | - Samir Henni
- University Hospital (CHU) of Angers, Angers, France
| | - Delphine Prunier
- MITOVASC Institute and CARFI Facility, University of Angers, Angers, France
- UMR CNRS 6015, Angers, France
- INSERM U1083, Angers, France
- University Hospital (CHU) of Angers, Angers, France
| | - Pascal Reynier
- MITOVASC Institute and CARFI Facility, University of Angers, Angers, France
- UMR CNRS 6015, Angers, France
- INSERM U1083, Angers, France
- University Hospital (CHU) of Angers, Angers, France
| | - Guys Lenaers
- MITOVASC Institute and CARFI Facility, University of Angers, Angers, France
- UMR CNRS 6015, Angers, France
- INSERM U1083, Angers, France
- University Hospital (CHU) of Angers, Angers, France
| | - Céline Fassot
- MITOVASC Institute and CARFI Facility, University of Angers, Angers, France
- UMR CNRS 6015, Angers, France
- INSERM U1083, Angers, France
| | - Daniel Henrion
- MITOVASC Institute and CARFI Facility, University of Angers, Angers, France
- UMR CNRS 6015, Angers, France
- INSERM U1083, Angers, France
- University Hospital (CHU) of Angers, Angers, France
| | - Laurent Loufrani
- MITOVASC Institute and CARFI Facility, University of Angers, Angers, France
- UMR CNRS 6015, Angers, France
- INSERM U1083, Angers, France
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25
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Chang X, Lochner A, Wang HH, Wang S, Zhu H, Ren J, Zhou H. Coronary microvascular injury in myocardial infarction: perception and knowledge for mitochondrial quality control. Am J Cancer Res 2021; 11:6766-6785. [PMID: 34093852 PMCID: PMC8171103 DOI: 10.7150/thno.60143] [Citation(s) in RCA: 131] [Impact Index Per Article: 43.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Accepted: 04/14/2021] [Indexed: 12/11/2022] Open
Abstract
Endothelial cells (ECs) constitute the innermost layer in all blood vessels to maintain the structural integrity and microcirculation function for coronary microvasculature. Impaired endothelial function is demonstrated in various cardiovascular diseases including myocardial infarction (MI), which is featured by reduced myocardial blood flow as a result of epicardial coronary obstruction, thrombogenesis, and inflammation. In this context, understanding the cellular and molecular mechanisms governing the function of coronary ECs is essential for the early diagnosis and optimal treatment of MI. Although ECs contain relatively fewer mitochondria compared with cardiomyocytes, they function as key sensors of environmental and cellular stress, in the regulation of EC viability, structural integrity and function. Mitochondrial quality control (MQC) machineries respond to a broad array of stress stimuli to regulate fission, fusion, mitophagy and biogenesis in mitochondria. Impaired MQC is a cardinal feature of EC injury and dysfunction. Hence, medications modulating MQC mechanisms are considered as promising novel therapeutic options in MI. Here in this review, we provide updated insights into the key role of MQC mechanisms in coronary ECs and microvascular dysfunction in MI. We also discussed the option of MQC as a novel therapeutic target to delay, reverse or repair coronary microvascular damage in MI. Contemporary available MQC-targeted therapies with potential clinical benefits to alleviate coronary microvascular injury during MI are also summarized.
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H 2S Pretreatment Is Promigratory and Decreases Ischemia/Reperfusion Injury in Human Microvascular Endothelial Cells. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:8886666. [PMID: 33953839 PMCID: PMC8068530 DOI: 10.1155/2021/8886666] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 09/23/2020] [Accepted: 04/01/2021] [Indexed: 12/03/2022]
Abstract
Endothelial cell injury and vascular function strongly correlate with cardiac function following ischemia/reperfusion injury. Several studies indicate that endothelial cells are more sensitive to ischemia/reperfusion compared to cardiomyocytes and are critical mediators of cardiac ischemia/reperfusion injury. H2S is involved in the regulation of cardiovascular system homeostasis and can act as a cytoprotectant during ischemia/reperfusion. Activation of ERK1/2 in endothelial cells after H2S stimulation exerts an enhancement of angiogenesis while its inhibition significantly decreases H2S cardioprotective effects. In this work, we investigated how H2S pretreatment for 24 hours prevents the ischemia/reperfusion injury and promotes angiogenesis on microvascular endothelial cells following an ischemia/reperfusion protocol in vitro, using a hypoxic chamber and ischemic buffer to simulate the ischemic event. H2S preconditioning positively affected cell viability and significantly increased endothelial cell migration when treated with 1 μM H2S. Furthermore, mitochondrial function was preserved when cells were preconditioned. Since ERK1/2 phosphorylation was extremely enhanced in ischemia/reperfusion condition, we inhibited ERK both directly and indirectly to verify how H2S triggers this pathway in endothelial cells. Taken together, our data suggest that H2S treatment 24 hours before the ischemic insult protects endothelial cells from ischemia/reperfusion injury and eventually decreases myocardial injury.
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Ciccone V, Genah S, Morbidelli L. Endothelium as a Source and Target of H 2S to Improve Its Trophism and Function. Antioxidants (Basel) 2021; 10:antiox10030486. [PMID: 33808872 PMCID: PMC8003673 DOI: 10.3390/antiox10030486] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 03/13/2021] [Accepted: 03/16/2021] [Indexed: 12/18/2022] Open
Abstract
The vascular endothelium consists of a single layer of squamous endothelial cells (ECs) lining the inner surface of blood vessels. Nowadays, it is no longer considered as a simple barrier between the blood and vessel wall, but a central hub to control blood flow homeostasis and fulfill tissue metabolic demands by furnishing oxygen and nutrients. The endothelium regulates the proper functioning of vessels and microcirculation, in terms of tone control, blood fluidity, and fine tuning of inflammatory and redox reactions within the vessel wall and in surrounding tissues. This multiplicity of effects is due to the ability of ECs to produce, process, and release key modulators. Among these, gasotransmitters such as nitric oxide (NO) and hydrogen sulfide (H2S) are very active molecules constitutively produced by endotheliocytes for the maintenance and control of vascular physiological functions, while their impairment is responsible for endothelial dysfunction and cardiovascular disorders such as hypertension, atherosclerosis, and impaired wound healing and vascularization due to diabetes, infections, and ischemia. Upregulation of H2S producing enzymes and administration of H2S donors can be considered as innovative therapeutic approaches to improve EC biology and function, to revert endothelial dysfunction or to prevent cardiovascular disease progression. This review will focus on the beneficial autocrine/paracrine properties of H2S on ECs and the state of the art on H2S potentiating drugs and tools.
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Casin KM, Calvert JW. Harnessing the Benefits of Endogenous Hydrogen Sulfide to Reduce Cardiovascular Disease. Antioxidants (Basel) 2021; 10:antiox10030383. [PMID: 33806545 PMCID: PMC8000539 DOI: 10.3390/antiox10030383] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 02/26/2021] [Accepted: 03/01/2021] [Indexed: 02/02/2023] Open
Abstract
Cardiovascular disease is the leading cause of death in the U.S. While various studies have shown the beneficial impact of exogenous hydrogen sulfide (H2S)-releasing drugs, few have demonstrated the influence of endogenous H2S production. Modulating the predominant enzymatic sources of H2S-cystathionine-β-synthase, cystathionine-γ-lyase, and 3-mercaptopyruvate sulfurtransferase-is an emerging and promising research area. This review frames the discussion of harnessing endogenous H2S within the context of a non-ischemic form of cardiomyopathy, termed diabetic cardiomyopathy, and heart failure. Also, we examine the current literature around therapeutic interventions, such as intermittent fasting and exercise, that stimulate H2S production.
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Fox BC, Slade L, Torregrossa R, Pacitti D, Szabo C, Etheridge T, Whiteman M. The mitochondria-targeted hydrogen sulfide donor AP39 improves health and mitochondrial function in a C. elegans primary mitochondrial disease model. J Inherit Metab Dis 2021; 44:367-375. [PMID: 33325042 DOI: 10.1002/jimd.12345] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 12/10/2020] [Accepted: 12/14/2020] [Indexed: 12/13/2022]
Abstract
Primary mitochondrial diseases (PMD) are inherited diseases that cause dysfunctional mitochondrial oxidative phosphorylation, leading to diverse multisystem diseases and substantially impaired quality of life. PMD treatment currently comprises symptom management, with an unmet need for therapies targeting the causative mitochondrial defects. Molecules which selective target mitochondria have been proposed as potential treatment options in PMD but have met with limited success. We have previously shown in animal models that mitochondrial dysfunction caused by the disease process could be prevented and/or reversed by selective targeting of the "gasotransmitter" hydrogen sulfide (H2 S) to mitochondria using a novel compound, AP39. Therefore, in this study we investigated whether AP39 could also restore mitochondrial function in PMD models where mitochondrial dysfunction was the cause of the disease pathology using C. elegans. We characterised several PMD mutant C. elegans strains for reduced survival, movement and impaired cellular bioenergetics and treated each with AP39. In animals with widespread electron transport chain deficiency (gfm-1[ok3372]), AP39 (100 nM) restored ATP levels, but had no effect on survival or movement. However, in a complex I mutant (nuo-4[ok2533]), a Leigh syndrome orthologue, AP39 significantly reversed the decline in ATP levels, preserved mitochondrial membrane potential and increased movement and survival. For the first time, this study provides proof-of-principle evidence suggesting that selective targeting of mitochondria with H2 S could represent a novel drug discovery approach to delay, prevent and possibly reverse mitochondrial decline in PMD and related disorders.
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Affiliation(s)
| | - Luke Slade
- University of Exeter Medical School, Exeter, UK
- College of Life and Environmental Sciences, University of Exeter, Exeter, UK
| | | | | | - Csaba Szabo
- Department of Pharmacology, University of Fribourg, Fribourg, Switzerland
| | - Timothy Etheridge
- College of Life and Environmental Sciences, University of Exeter, Exeter, UK
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Szabo C. Hydrogen Sulfide, an Endogenous Stimulator of Mitochondrial Function in Cancer Cells. Cells 2021; 10:cells10020220. [PMID: 33499368 PMCID: PMC7911547 DOI: 10.3390/cells10020220] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Revised: 01/20/2021] [Accepted: 01/21/2021] [Indexed: 12/12/2022] Open
Abstract
Hydrogen sulfide (H2S) has a long history as toxic gas and environmental hazard; inhibition of cytochrome c oxidase (mitochondrial Complex IV) is viewed as a primary mode of its cytotoxic action. However, studies conducted over the last two decades unveiled multiple biological regulatory roles of H2S as an endogenously produced mammalian gaseous transmitter. Cystathionine γ-lyase (CSE), cystathionine β-synthase (CBS) and 3-mercaptopyruvate sulfurtransferase (3-MST) are currently viewed as the principal mammalian H2S-generating enzymes. In contrast to its inhibitory (toxicological) mitochondrial effects, at lower (physiological) concentrations, H2S serves as a stimulator of electron transport in mammalian mitochondria, by acting as an electron donor—with sulfide:quinone oxidoreductase (SQR) being the immediate electron acceptor. The mitochondrial roles of H2S are significant in various cancer cells, many of which exhibit high expression and partial mitochondrial localization of various H2S producing enzymes. In addition to the stimulation of mitochondrial ATP production, the roles of endogenous H2S in cancer cells include the maintenance of mitochondrial organization (protection against mitochondrial fission) and the maintenance of mitochondrial DNA repair (via the stimulation of the assembly of mitochondrial DNA repair complexes). The current article overviews the state-of-the-art knowledge regarding the mitochondrial functions of endogenously produced H2S in cancer cells.
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Affiliation(s)
- Csaba Szabo
- Chair of Pharmacology, Section of Medicine, University of Fribourg, CH-1700 Fribourg, Switzerland
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31
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Lv B, Chen S, Tang C, Jin H, Du J, Huang Y. Hydrogen sulfide and vascular regulation - An update. J Adv Res 2021; 27:85-97. [PMID: 33318869 PMCID: PMC7728588 DOI: 10.1016/j.jare.2020.05.007] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Revised: 05/03/2020] [Accepted: 05/04/2020] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Hydrogen sulfide (H2S) is considered to be the third gasotransmitter after carbon monoxide (CO) and nitric oxide (NO). It plays an important role in the regulation of vascular homeostasis. Vascular remodeling have has proved to be related to the impaired H2S generation. AIM OF REVIEW This study aimed to summarize and discuss current data about the function of H2S in vascular physiology and pathophysiology as well as the underlying mechanisms. KEY SCIENTIFIC CONCEPTS OF REVIEW Endogenous hydrogen sulfide (H2S) as a third gasotransmitter is primarily generated by the enzymatic pathways and regulated by several metabolic pathways. H2S as a physiologic vascular regulator, inhibits proliferation, regulates its apoptosis and autophagy of vascular cells and controls the vascular tone. Accumulating evidence shows that the downregulation of H2S pathway is involved in the pathogenesis of a variety of vascular diseases, such as hypertension, atherosclerosis and pulmonary hypertension. Alternatively, H2S supplementation may greatly help to prevent the progression of the vascular diseases by regulating vascular tone, inhibiting vascular inflammation, protecting against oxidative stress and proliferation, and modulating vascular cell apoptosis, which has been verified in animal and cell experiments and even in the clinical investigation. Besides, H2S system and angiotensin-converting enzyme (ACE) inhibitors play a vital role in alleviating ischemic heart disease and left ventricular dysfunction. Notably, sulfhydryl-containing ACEI inhibitor zofenopril is superior to other ACE inhibitors due to its capability of H2S releasing, in addition to ACE inhibition. The design and application of novel H2S donors have significant clinical implications in the treatment of vascular-related diseases. However, further research regarding the role of H2S in vascular physiology and pathophysiology is required.
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Affiliation(s)
- Boyang Lv
- Department of Pediatrics, Peking University First Hospital, Beijing, China
| | - Selena Chen
- Division of Biological Sciences, University of California, San Diego, San Diego, CA, United States
| | - Chaoshu Tang
- Department of Physiology and Pathophysiology, Peking University Health Science Center, Beijing, China
- Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, China
| | - Hongfang Jin
- Department of Pediatrics, Peking University First Hospital, Beijing, China
- Corresponding authors at: Department of Pediatrics, Peking University First Hospital, Beijing, China (J. Du).
| | - Junbao Du
- Department of Pediatrics, Peking University First Hospital, Beijing, China
- Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, China
- Corresponding authors at: Department of Pediatrics, Peking University First Hospital, Beijing, China (J. Du).
| | - Yaqian Huang
- Department of Pediatrics, Peking University First Hospital, Beijing, China
- Corresponding authors at: Department of Pediatrics, Peking University First Hospital, Beijing, China (J. Du).
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Ali A, Wang Y, Wu L, Yang G. Gasotransmitter signaling in energy homeostasis and metabolic disorders. Free Radic Res 2020; 55:83-105. [PMID: 33297784 DOI: 10.1080/10715762.2020.1862827] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Gasotransmitters are small molecules of gases, including nitric oxide (NO), hydrogen sulfide (H2S), and carbon monoxide (CO). These three gasotransmitters can be endogenously produced and regulate a wide range of pathophysiological processes by interacting with specific targets upon diffusion in the biological media. By redox and epigenetic regulation of various physiological functions, NO, H2S, and CO are critical for the maintenance of intracellular energy homeostasis. Accumulated evidence has shown that these three gasotransmitters control ATP generation, mitochondrial biogenesis, glucose metabolism, insulin sensitivity, lipid metabolism, and thermogenesis, etc. Abnormal generation and metabolism of NO, H2S, and/or CO are involved in various abnormal metabolic diseases, including obesity, diabetes, and dyslipidemia. In this review, we summarized the roles of NO, H2S, and CO in the regulation of energy homeostasis as well as their involvements in the metabolism of dysfunction-related diseases. Understanding the interaction among these gasotransmitters and their specific molecular targets are very important for therapeutic applications.
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Affiliation(s)
- Amr Ali
- Department of Chemistry and Biochemistry, Laurentian University, Sudbury, Canada.,Cardiovascular and Metabolic Research Unit, Laurentian University, Sudbury, Canada
| | - Yuehong Wang
- Department of Chemistry and Biochemistry, Laurentian University, Sudbury, Canada.,Cardiovascular and Metabolic Research Unit, Laurentian University, Sudbury, Canada
| | - Lingyun Wu
- Cardiovascular and Metabolic Research Unit, Laurentian University, Sudbury, Canada.,School of Human Kinetics, Laurentian University, Sudbury, Canada.,Health Science North Research Institute, Sudbury, Canada
| | - Guangdong Yang
- Department of Chemistry and Biochemistry, Laurentian University, Sudbury, Canada.,Cardiovascular and Metabolic Research Unit, Laurentian University, Sudbury, Canada
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Zhu L, Duan W, Wu G, Zhang D, Wang L, Chen D, Chen Z, Yang B. Protective effect of hydrogen sulfide on endothelial cells through Sirt1-FoxO1-mediated autophagy. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:1586. [PMID: 33437785 PMCID: PMC7791216 DOI: 10.21037/atm-20-3647] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Background As a new member of the vasculoprotective gasotransmitter family, hydrogen sulfide (H2S) functions similar to nitric oxide (NO) and carbon monoxide (CO). Endothelial cell (EC) death and autophagy enable cells to cope with the progression of cardiovascular diseases. However, the impacts and underlying mechanisms of H2S in the autophagic process in ECs are not completely understood. Here, we investigated the effects of H2S on autophagy in human vascular ECs. Methods Human umbilical vein endothelial cells (HUVECs) were exposed to different concentrations (0, 50, 100, 200, 500 and 1,000 µmol/L) GYY4137 (H2S donor) for indicated times (0, 0.5, 1, 2, 4 and 8 h), with or without pre-treatment with the autophagy inhibitor 3-methyladenine (3-MA) or bafilomycin A1. HUVECs were transfected with sirtuin 1 (Sirt1) overexpression plasmids (PIRES-Sirt1), Sirt1-siRNAs or forkhead box O1 (FoxO1)-siRNA using Lipofectamine 2000. Cell autophagy was evaluated via Western blotting and fluorescence microscopy. Co-immunoprecipitation assay was used to measure acetylation level of FoxO1. The distribution of FoxO1 in the cytoplasm and nucleus was observed using Western blotting and immunofluorescence. Western blotting, flow cytometric analysis, and cell count kit-8 assay were conducted to evaluate the effect of H2S on the oxidized low-density lipoprotein (Ox-LDL) induced apoptosis of HUVECs. Results Using both gain- and loss-of-function experiments, we showed that Sirt1-dependent activation of FoxO1, including its nuclear translocation and deacetylation, was critical for mediating H2S-induced autophagy in ECs. Furthermore, H2S-induced autophagy protected ECs from Ox-LDL-induced apoptosis by activating Sirt1. Conclusions These results suggest that Sirt1-mediated autophagy in ECs is a novel mechanism by which H2S exerts vascular-protective actions.
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Affiliation(s)
- Lin Zhu
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wu Duan
- Division of Endocrinology, Department of Internal Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Guangjie Wu
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Di Zhang
- Department of Nephrology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lan Wang
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Dong Chen
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhishui Chen
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Bo Yang
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Upregulation of CFTR Protects against Palmitate-Induced Endothelial Dysfunction by Enhancing Autophagic Flux. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:8345246. [PMID: 33123317 PMCID: PMC7586166 DOI: 10.1155/2020/8345246] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 08/23/2020] [Accepted: 09/25/2020] [Indexed: 12/17/2022]
Abstract
Saturated free fatty acids (FFAs) elevate in metabolic symptom leading to endothelial dysfunction. Cystic fibrosis transmembrane regulator (CFTR) functionally expresses in endothelial cells. The role of CFTR in FFA-induced endothelial dysfunction remains unclear. This study is aimed at exploring the effects of CFTR on palmitate- (PA-) induced endothelial dysfunction and its underlying mechanisms. We found that PA-induced endothelial dysfunction is characterized by a decrease of cell viability, reduction of NO generation and mitochondrial membrane potential, impairment of the tube formation, but an increase of ROS generation and cell apoptosis. Simultaneously, PA decreased CFTR protein expression. CFTR agonist Forskolin upregulated CFTR protein expression and protected against PA-induced endothelial dysfunction, while CFTR knockdown exacerbated endothelial dysfunction induced by PA and blunted the protective effects of Forskolin. In addition, PA impaired autophagic flux, and autophagic flux inhibitors aggravated PA-induced endothelial apoptosis. CFTR upregulation significantly restored autophagic flux in PA-insulted endothelial cells, which was involved in increasing the protein expression of Atg16L, Atg12-Atg5 complex, cathepsin B, and cathepsin D. In contrast, CFTR knockdown significantly inhibited the effects of Forskolin on autophagic flux and the expression of the autophagy-regulated proteins. Our findings illustrate that CFTR upregulation protects against PA-induced endothelial dysfunction by improving autophagic flux and underlying mechanisms are involved in enhancing autophagic signaling mediated by the Atg16L-Atg12-Atg5 complex, cathepsin B, and cathepsin D. CFTR might serve as a novel drug target for endothelial protection in cardiovascular diseases with a characteristic of elevation of FFAs.
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Schreckenberger ZJ, Wenceslau CF, Joe B, McCarthy CG. Mitophagy in Hypertension-Associated Premature Vascular Aging. Am J Hypertens 2020; 33:804-812. [PMID: 32533696 PMCID: PMC7481986 DOI: 10.1093/ajh/hpaa058] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 04/01/2020] [Accepted: 04/02/2020] [Indexed: 12/18/2022] Open
Abstract
Hypertension has been described as a condition of premature vascular aging, relative to actual chronological age. In fact, many factors that contribute to the deterioration of vascular function as we age are accelerated and exacerbated in hypertension. Nonetheless, the precise mechanisms that underlie the aged phenotype of arteries from hypertensive patients and animals remain elusive. Classically, the aged phenotype is the buildup of cellular debris and dysfunctional organelles. One means by which this can occur is insufficient degradation and cellular recycling. Mitophagy is the selective catabolism of damaged mitochondria. Mitochondria are organelles that contribute importantly to the determination of cellular age via their production of reactive oxygen species (ROS; Harman's free radical theory of aging). Therefore, the accumulation of dysfunctional and ROS-producing mitochondria could contribute to the acceleration of vascular age in hypertension. This review will address and critically evaluate the current literature on mitophagy in vascular physiology and hypertension.
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Affiliation(s)
- Zachary J Schreckenberger
- Center for Hypertension & Personalized Medicine, Department of Physiology & Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio, USA
| | - Camilla F Wenceslau
- Center for Hypertension & Personalized Medicine, Department of Physiology & Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio, USA
| | - Bina Joe
- Center for Hypertension & Personalized Medicine, Department of Physiology & Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio, USA
| | - Cameron G McCarthy
- Center for Hypertension & Personalized Medicine, Department of Physiology & Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio, USA
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Wang X, Zhang JQ, Xiu CK, Yang J, Fang JY, Lei Y. Ginseng-Sanqi-Chuanxiong (GSC) Extracts Ameliorate Diabetes-Induced Endothelial Cell Senescence through Regulating Mitophagy via the AMPK Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:7151946. [PMID: 32963699 PMCID: PMC7495226 DOI: 10.1155/2020/7151946] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 07/07/2020] [Accepted: 07/17/2020] [Indexed: 12/12/2022]
Abstract
Vascular endothelial senescence induced by high glucose and palmitate (HG/PA) contributes to endothelial dysfunction, which leads to diabetic cardiovascular complications. Reduction of endothelial senescence may attenuate these pathogenic processes. This study is aimed at determining whether Ginseng-Sanqi-Chuanxiong (GSC) extracts, traditional Chinese medicine, can ameliorate human aortic endothelial cell (HAEC) senescence under HG/PA-stressed conditions and further explore the underlying mechanism. We found that GSC extracts significantly increased antisenescent activity by reducing the HG/PA-induced mitochondrial ROS (mtROS) levels in senescent HAECs. GSC extracts also induced cellular mitophagy formation, which mediated the effect of GSC extracts on mtROS reduction. Apart from this, the data showed that GSC extracts stimulated mitophagy via the AMPK pathway, and upon inhibition of AMPK by pharmacological and genetic inhibitors, GSC extract-mediated mitophagy was abolished which further led to reverse the antisenescence effect. Taken together, these data suggest that GSC extracts prevent HG/PA-induced endothelial senescence and mtROS production by mitophagy regulation via the AMPK pathway. Thus, the induction of mitophagy by GSC extracts may provide a novel therapeutic candidate for cardiovascular protection in metabolic syndrome.
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Affiliation(s)
- Xue Wang
- Beijing Key Laboratory of Research of Chinese Medicine on Preventional and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, 100700 Beijing, China
| | - Jia-Qi Zhang
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, 100700 Beijing, China
| | - Cheng-Kui Xiu
- Beijing Key Laboratory of Research of Chinese Medicine on Preventional and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, 100700 Beijing, China
| | - Jing Yang
- Beijing Key Laboratory of Research of Chinese Medicine on Preventional and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, 100700 Beijing, China
| | - Jing-Yi Fang
- Chinese Medicine Research Institute of Guangdong Pharmaceutical University, Guangdong Research Center for Integrative Medicine in Metabolic Diseases, 510006 Guangzhou, Guangdong, China
| | - Yan Lei
- Beijing Key Laboratory of Research of Chinese Medicine on Preventional and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, 100700 Beijing, China
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Functional analyses of copper transporter genes in the human liver cell line HepG2. Toxicol In Vitro 2020; 66:104856. [PMID: 32278528 DOI: 10.1016/j.tiv.2020.104856] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 03/30/2020] [Accepted: 04/05/2020] [Indexed: 11/20/2022]
Abstract
Copper (Cu) is an essential element regulated by four genes (hCTR1, hATOX1, hATP7A, and hATP7B in humans and zctr1, zatox1, zatp7a, and zatp7b in zebrafish) in copper uptake, distribution, and transport in animal cells. Zebrafish (Danio rerio) shows a higher endogenous ratio of zatp7a to zatp7b in the liver, is relatively intolerant to copper ions and has a different zatp7a and zatp7b expression patterns in different organs. As high-affinity copper transporters, both zctr1 and hCTR1 increased copper toxicity, whereas hATOX1 and zatox1 slightly reduced copper toxicity in HepG2 cells after copper administration for 24 h. The transfected zatp7b functioned in HepG2 cells as effectively as hATP7B after both 24-h and 96-h copper exposure, but zatp7a failed to function in HepG2 cells as effectively as hATP7A. Our findings suggest that ATP7A dysfunction would increase cytotoxicity in the liver; the reason for zebrafish's copper intolerance could be the bulk dysfunction and abnormal localization of zATP7A.
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Sun HJ, Wu ZY, Nie XW, Bian JS. Role of Endothelial Dysfunction in Cardiovascular Diseases: The Link Between Inflammation and Hydrogen Sulfide. Front Pharmacol 2020; 10:1568. [PMID: 32038245 PMCID: PMC6985156 DOI: 10.3389/fphar.2019.01568] [Citation(s) in RCA: 277] [Impact Index Per Article: 69.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 12/03/2019] [Indexed: 12/12/2022] Open
Abstract
Endothelial cells are important constituents of blood vessels that play critical roles in cardiovascular homeostasis by regulating blood fluidity and fibrinolysis, vascular tone, angiogenesis, monocyte/leukocyte adhesion, and platelet aggregation. The normal vascular endothelium is taken as a gatekeeper of cardiovascular health, whereas abnormality of vascular endothelium is a major contributor to a plethora of cardiovascular ailments, such as atherosclerosis, aging, hypertension, obesity, and diabetes. Endothelial dysfunction is characterized by imbalanced vasodilation and vasoconstriction, elevated reactive oxygen species (ROS), and proinflammatory factors, as well as deficiency of nitric oxide (NO) bioavailability. The occurrence of endothelial dysfunction disrupts the endothelial barrier permeability that is a part of inflammatory response in the development of cardiovascular diseases. As such, abrogation of endothelial cell activation/inflammation is of clinical relevance. Recently, hydrogen sulfide (H2S), an entry as a gasotransmitter, exerts diverse biological effects through acting on various targeted signaling pathways. Within the cardiovascular system, the formation of H2S is detected in smooth muscle cells, vascular endothelial cells, and cardiomyocytes. Disrupted H2S bioavailability is postulated to be a new indicator for endothelial cell inflammation and its associated endothelial dysfunction. In this review, we will summarize recent advances about the roles of H2S in endothelial cell homeostasis, especially under pathological conditions, and discuss its putative therapeutic applications in endothelial inflammation-associated cardiovascular disorders.
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Affiliation(s)
- Hai-Jian Sun
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Zhi-Yuan Wu
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Xiao-Wei Nie
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Jin-Song Bian
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.,National University of Singapore (Suzhou) Research Institute, Suzhou, China
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Abstract
In the past, hydrogen sulfide (H2S) was considered as a poisonous gas or waste of the body. Later, researchers found that H2S-producing enzymes exist in mammals. Moreover, their findings indicated that endogenous H2S was associated with the occurrence of many diseases. Therefore, endogenous H2S is able to participate in the regulation of physiological and pathological functions of the body as a gas signaling molecule. In this review, we summarize the regulation mechanism of endogenous H2S on the body, such as proliferation, apoptosis, migration, angiogenesis, as well as vasodilation/vasoconstriction. Furthermore, we also analyze the relationship between H2S and some chronic diseases, including hypoxic pulmonary hypertension, myocardial infarction, ischemic perfusion kidney injury, diabetes, and chronic intestinal diseases. Finally, we discuss dietary restriction and drugs that target for H2S. Hence, H2S is expected to become a potential target for treatment of these chronic diseases.
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Affiliation(s)
- Na Yang
- Office of Educational Administration, Hunan Polytechnic of Environment and Biology, Hengyang, China
| | - Yuan Liu
- Medical College, Hunan Polytechnic of Environment and Biology, Hengyang, China
| | - Tianping Li
- Office of Educational Administration, Hunan Polytechnic of Environment and Biology, Hengyang, China
| | - Qinhui Tuo
- Medical College, Hunan University of Chinese Medicine, Changsha, Hunan, China
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Tao L, Huang X, Xu M, Yang L, Hua F. MiR-144 protects the heart from hyperglycemia-induced injury by regulating mitochondrial biogenesis and cardiomyocyte apoptosis. FASEB J 2019; 34:2173-2197. [PMID: 31907983 DOI: 10.1096/fj.201901838r] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2019] [Revised: 10/25/2019] [Accepted: 11/19/2019] [Indexed: 12/12/2022]
Abstract
Several lines of evidence have revealed the potential of microRNAs (miRNAs, miRs) as biomarkers for detecting diabetic cardiomyopathy, although their functions in hyperglycemic cardiac dysfunction are still lacking. In this study, mitochondrial biogenesis was markedly impaired induced by high glucose (HG), as evidenced by dysregulated mitochondrial structure, reduced mitochondrial DNA contents, and biogenesis-related mRNA levels, accompanied by increased cell apoptosis. MiR-144 was identified to be decreased in HG-induced cardiomyocytes and in streptozotocin (STZ)-challenged heart samples. Forced miR-144 expression enhanced mitochondrial biogenesis and suppressed cell apoptosis, while miR-144 inhibition exhibited the opposite results. Rac-1 was identified as a target gene of miR-144. Decreased Rac-1 levels activated AMPK phosphorylation and PGC-1α deacetylation, leading to increased mitochondrial biogenesis and reduced cell apoptosis. Importantly, the systemic neutralization of miR-144 attenuated mitochondrial disorder and ventricular dysfunction following STZ treatment. Additionally, plasma miR-144 decreased markedly in diabetic patients with cardiac dysfunction. The receiver-operator characteristic curve showed that plasma miR-144 could specifically predict diabetic patients developing cardiac dysfunction. In conclusion, this study provides strong evidence suggesting that miR-144 protects heart from hyperglycemia-induced injury by improving mitochondrial biogenesis and decreasing cell apoptosis via targeting Rac-1. Forced miR-144 expression might, thus, be a protective strategy for treating hyperglycemia-induced cardiac dysfunction.
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Affiliation(s)
- Lichan Tao
- Department of Cardiology, The Third Affiliated Hospital of Soochow University, Changzhou City, China
| | - Xiaoli Huang
- Department of Endocrinology, The Third Affiliated Hospital of Soochow University, Changzhou City, China
| | - Min Xu
- Department of Echocardiography, The Third Affiliated Hospital of Soochow University, Changzhou City, China
| | - Ling Yang
- Department of Cardiology, The Third Affiliated Hospital of Soochow University, Changzhou City, China
| | - Fei Hua
- Department of Endocrinology, The Third Affiliated Hospital of Soochow University, Changzhou City, China
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Ren L, Han F, Xuan L, Lv Y, Gong L, Yan Y, Wan Z, Guo L, Liu H, Xu B, Sun Y, Yang S, Liu L. Clusterin ameliorates endothelial dysfunction in diabetes by suppressing mitochondrial fragmentation. Free Radic Biol Med 2019; 145:357-373. [PMID: 31614179 DOI: 10.1016/j.freeradbiomed.2019.10.008] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 10/10/2019] [Accepted: 10/10/2019] [Indexed: 12/20/2022]
Abstract
Clusterin (CLU) is a stress-responding protein associated with cytoprotection in a broad range of pathological processes. However, clusterin's function in diabetes-induced endothelial dysfunction has not been defined. Herein, using two diabetes models, we investigated the role of clusterin in endothelial dysfunction triggered by diabetes and the molecular mechanisms involved. The results revealed that clusterin overexpression inhibited ICAM-1/VCAM-1 expression in aortas and improved endothelium-dependent vasodilatation in db/db diabetic mice and streptozotocin (STZ)-induced diabetes models. Consistently, in vitro, adenoviral clusterin overexpression reduced the expression of a range of pro-inflammatory cytokines and suppressed monocyte adhesion to endothelial cells subjected to high glucose and high palmitate. Further study indicated that clusterin overexpression mitigated mitochondrial excessive fission and reduced mitochondrial ROS production. Conversely, silencing clusterin aggravated mitochondrial fission and endothelial inflammatory activation in high glucose-exposed endothelial cells. Accumulating evidence indicates that impaired mitochondrial dynamics plays a considerable role in promoting endothelial dysfunction in diabetic subjects. Therefore, treatments targeting mitochondrial undue fission may be promising measures to prevent vascular complications of diabetes. Furthermore, AMP-activated protein kinase (AMPK) activation contributed to the modulation of mitochondrial dynamics executed by clusterin. Mechanistically, clusterin promoted the phosphorylation of AMPKα and its downstream target acetyl-CoA carboxylase (ACC), while the inhibition of AMPKα negated the improvement in mitochondrial dynamics provided by clusterin overexpression. Over all, these findings suggest that clusterin exerts beneficial effects in endothelial cells under diabetic conditions via inhibiting mitochondrial fragmentation mediated by AMPK.
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Affiliation(s)
- Lulu Ren
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China
| | - Feifei Han
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China
| | - Lingling Xuan
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China
| | - Yali Lv
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China
| | - Lili Gong
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China
| | - Yan Yan
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China
| | - Zirui Wan
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China
| | - Lifang Guo
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China; School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - He Liu
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China
| | - Benshan Xu
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China
| | - Yuan Sun
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China
| | - Song Yang
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China
| | - Lihong Liu
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China.
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Design, synthesis and evaluation of 5-(4-hydroxyphenyl)-3H-1,2-dithiole-3-thione-Based fibrates as potential hypolipidemic and hepatoprotective agents. Bioorg Med Chem Lett 2019; 29:126723. [PMID: 31624042 DOI: 10.1016/j.bmcl.2019.126723] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 09/25/2019] [Accepted: 09/27/2019] [Indexed: 11/21/2022]
Abstract
Six novel target compounds 5-(4-hydroxyphenyl)-3H-1,2-dithiole-3-thione (ADT) based fibrates were synthesized and evaluated. All the synthesized compounds were preliminarily screened by using the Triton WR-1339-induecd hyperlipidemia model, in which T1 exhibited more potent hypolipidemic property than positive drug fenofibrate (FF). T1 also significantly decreased serum triglycerides (TG), total cholesterol (TC) and low density lipoprotein cholesterin (LDL) in methionine solution (Mets) induced hyperlipidemic mice. Moreover, hepatic transaminases (AST and ALT) were obviously ameliorated after treatment with T1 and the histological observation indicated that T1 ameliorated the injury in liver tissue and inhibited the hepatic lipid accumulation. In the livers of T1-administrated rat, the levels of PPARα related to lipids metabolism were up-regulated. Additional effects such as antioxidant, anti-inflammatory and H2S releasing action confirmed and reinforced the activity of T1 as a potential multifunctional hypolipidemic and hepatoprotective agent.
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Murphy B, Bhattacharya R, Mukherjee P. Hydrogen sulfide signaling in mitochondria and disease. FASEB J 2019; 33:13098-13125. [PMID: 31648556 PMCID: PMC6894098 DOI: 10.1096/fj.201901304r] [Citation(s) in RCA: 138] [Impact Index Per Article: 27.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 09/17/2019] [Indexed: 02/06/2023]
Abstract
Hydrogen sulfide can signal through 3 distinct mechanisms: 1) reduction and/or direct binding of metalloprotein heme centers, 2) serving as a potent antioxidant through reactive oxygen species/reactive nitrogen species scavenging, or 3) post-translational modification of proteins by addition of a thiol (-SH) group onto reactive cysteine residues: a process known as persulfidation. Below toxic levels, hydrogen sulfide promotes mitochondrial biogenesis and function, thereby conferring protection against cellular stress. For these reasons, increases in hydrogen sulfide and hydrogen sulfide-producing enzymes have been implicated in several human disease states. This review will first summarize our current understanding of hydrogen sulfide production and metabolism, as well as its signaling mechanisms; second, this work will detail the known mechanisms of hydrogen sulfide in the mitochondria and the implications of its mitochondrial-specific impacts in several pathologic conditions.-Murphy, B., Bhattacharya, R., Mukherjee, P. Hydrogen sulfide signaling in mitochondria and disease.
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Affiliation(s)
- Brennah Murphy
- Department of Pathology, The University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
| | - Resham Bhattacharya
- Department of Obstetrics and Gynecology, The University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
- Peggy and Charles Stephenson Cancer Center, The University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
| | - Priyabrata Mukherjee
- Department of Pathology, The University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
- Peggy and Charles Stephenson Cancer Center, The University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
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Hao Y, Liu HM, Wei X, Gong X, Lu ZY, Huang ZH. Diallyl trisulfide attenuates hyperglycemia-induced endothelial apoptosis by inhibition of Drp1-mediated mitochondrial fission. Acta Diabetol 2019; 56:1177-1189. [PMID: 31115753 PMCID: PMC6768919 DOI: 10.1007/s00592-019-01366-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Accepted: 05/07/2019] [Indexed: 02/07/2023]
Abstract
AIMS Hyperglycemia induces endothelial cell apoptosis and blood vessel damage, while diallyl trisulfide (DATS) has shown cardiovascular protection in animal models and humans. The aim of this study was to investigate the effects of DATS on inhibition of high glucose-induced endothelial cell apoptosis and the underlying molecular events. METHODS Human umbilical vein endothelial cells (HUVECs) were incubated with DATS (100 μM) for 30 min and then cultured in high-glucose medium (HG, 33 mM) for 24 h for assessment of apoptosis, glutathione (GSH), reactive oxygen species (ROS), superoxide dismutase (SOD), and gene expression using the terminal deoxyuridine triphosphate nick end labeling (TUNEL), flow cytometry, caspase-3 activity, ROS, SOD, and western blot assays as well as JC-1 and MitoTracker Red staining, respectively. RESULTS DATS treatment significantly inhibited high glucose-induced HUVEC apoptosis by blockage of intracellular and mitochondrial ROS generation, maintenance of the mitochondrial membrane potential, and suppression of high glucose-induced dynamin-related protein 1 (Drp1) expression. Furthermore, DATS blockage of high glucose-induced mitochondrial fission and apoptosis was through adenosine monophosphate-activated protein kinase (AMPK) activation-inhibited Drp1 expression in HUVECs. CONCLUSIONS DATS demonstrated the ability to inhibit high glucose-induced HUVEC apoptosis via suppression of Drp1-mediated mitochondrial fission in an AMPK-dependent fashion.
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Affiliation(s)
- Ying Hao
- Department of Cardiology, Shanghai East Hospital, Tongji University, 1800 Yuntai Road, Shanghai, 200126, China
| | - Hui-Min Liu
- Department of Hematology, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan, 030001, China
| | - Xin Wei
- Department of Pharmacy, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, 1665 Kongjiang Road, Shanghai, 200092, China
| | - Xue Gong
- Department of Cardiology, Delta Health Hospital, 109 Xule Road, Shanghai, 201702, China
| | - Zhao-Yang Lu
- Department of Cardiology, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan, 030001, China.
| | - Zhen-Hao Huang
- Department of Cardiology, Shanghai East Hospital, Tongji University, 1800 Yuntai Road, Shanghai, 200126, China.
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Wu G, Xiong Q, Wei X, Wang Y, Hu X, He G, Liu L, Lai Q, Dai Z, Anushesh D, Xu Y. Mitochondrial unfolded protein response gene CLPP changes mitochondrial dynamics and affects mitochondrial function. PeerJ 2019; 7:e7209. [PMID: 31304066 PMCID: PMC6611452 DOI: 10.7717/peerj.7209] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 05/29/2019] [Indexed: 12/12/2022] Open
Abstract
Mitochondrial dynamics is associated with mitochondrial function, which is associated with diabetes. Although an important indicator of the mitochondrial unfolded protein response, to the best of our knowledge, CLPP and its effects on mitochondrial dynamics in islet cells have not been studied to date. We analyzed the effects of CLPP on mitochondrial dynamics and mitochondrial function in the mice islet β-cell line Min6 under high glucose and high fat conditions. Min6 cells were assigned to: Normal, HG, HG+NC, HG+siCLPP, HF, HF+NC and HF+ siCLPP groups. High glucose and high fat can promote the mRNA and protein expression of CLPP in mitochondria. The increase of mitochondrial fission, the decrese of mitochondrial fusion, and the damage of mintocondrial ultrastructure were significant in the siCLPP cell groups as compared to no-siCLPP treated groups. Meanwhile, mitochondrial functions of MIN6 cells treated with siCLPP were impaired, such as ATP decreased, ROS increased, mitochondrial membrane potential decreased. In addition, cell insulin secretion decreased and cell apoptosis rate increased in siCLPP groups. These results revealed that mitochondrial unfolded protein response geneCLPP alleviated high glucose and high fat-induced mitochondrial dynamics imbalance and mitochondrial dysfunction.
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Affiliation(s)
- GuiJun Wu
- Department of Endocrinology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Qing Xiong
- Department of Endocrinology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - XiaoJun Wei
- Emergency Centre, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Ye Wang
- Department of Endocrinology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - XueMei Hu
- Department of Endocrinology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - GuangZhen He
- Department of Endocrinology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - LinJie Liu
- Department of Endocrinology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - QianHui Lai
- Department of Endocrinology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Zhe Dai
- Department of Endocrinology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Dhakal Anushesh
- Department of Endocrinology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yancheng Xu
- Department of Endocrinology, Zhongnan Hospital of Wuhan University, Wuhan, China
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Yu L, Liang Q, Zhang W, Liao M, Wen M, Zhan B, Bao H, Cheng X. HSP22 suppresses diabetes-induced endothelial injury by inhibiting mitochondrial reactive oxygen species formation. Redox Biol 2019; 21:101095. [PMID: 30640127 PMCID: PMC6327915 DOI: 10.1016/j.redox.2018.101095] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 12/28/2018] [Accepted: 12/31/2018] [Indexed: 12/20/2022] Open
Abstract
The induction of mitochondrial reactive oxygen species (mtROS) by hyperglycemia is a key event responsible for endothelial activation and injury. Heat shock protein 22 (HSP22) is a stress-inducible protein associated with cytoprotection and apoptosis inhibition. However, whether HSP22 prevents hyperglycemia-induced vascular endothelial injury remains unclear. Here, we investigated whether HSP22 protects the vascular endothelium from hyperglycemia-induced injury by reducing mtROS production. We used a high-fat diet and streptozotocin injection model to induce type 2 diabetes mellitus (T2DM, metabolic syndrome) and exposed human umbilical vein endothelial cells (HUVECs) to high glucose following overexpression or silencing of HSP22 to explore the role of HSP22. We found that HSP22 markedly inhibited endothelial cell activation and vascular lesions by inhibiting endothelial adhesion and decreasing cytokine secretion. We performed confocal microscopy and flow cytometry assays using HUVECs and showed that HSP22 attenuated mtROS and mitochondrial dysfunction in hyperglycemia-stimulated endothelial cells. Mechanistically, using the mtROS inhibitor MitoTEMPO, we demonstrated that HSP22 suppressed endothelial activation and injury by eliminating hyperglycemia-mediated increases in mtROS. Furthermore, we found that HSP22 maintained the balance of mitochondrial fusion and fission by mitigating mtROS in vitro. HSP22 attenuated the development of vascular lesions by suppressing mtROS-mediated endothelial activation in a T2DM mouse model. This study provides evidence that HSP22 may be a promising therapeutic target for vascular complications in T2DM. HSP22 reduces endothelial inflammation under diabetic conditions. HSP22 restrains hyperglycemia-induced oxidative stress in the vascular endothelium. HSP22 reduces hyperglycemia-induced mtROS and endothelial mitochondrial dysfunction. HSP22 maintains the balance of mitochondrial fusion and fission by mitigating mtROS.
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Affiliation(s)
- Lingling Yu
- Department of Cardiology, The Second Affiliated Hospital of Nanchang University, No. 1 Minde Road, Nanchang 330006, Jiangxi, PR China
| | - Qian Liang
- Key Laboratory of Molecular Biology in Jiangxi Province, The Second Affiliated Hospital of Nanchang University, PR China
| | - Weifang Zhang
- Department of Pharmacy, The Second Affiliated Hospital of Nanchang University, PR China
| | - Minqi Liao
- Department of Cardiology, The Second Affiliated Hospital of Nanchang University, No. 1 Minde Road, Nanchang 330006, Jiangxi, PR China
| | - Minghua Wen
- Department of Cardiology, The Second Affiliated Hospital of Nanchang University, No. 1 Minde Road, Nanchang 330006, Jiangxi, PR China
| | - Biming Zhan
- Department of Cardiology, The Second Affiliated Hospital of Nanchang University, No. 1 Minde Road, Nanchang 330006, Jiangxi, PR China
| | - Huihui Bao
- Department of Cardiology, The Second Affiliated Hospital of Nanchang University, No. 1 Minde Road, Nanchang 330006, Jiangxi, PR China.
| | - Xiaoshu Cheng
- Department of Cardiology, The Second Affiliated Hospital of Nanchang University, No. 1 Minde Road, Nanchang 330006, Jiangxi, PR China.
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Widlansky ME, Hill RB. Mitochondrial regulation of diabetic vascular disease: an emerging opportunity. Transl Res 2018; 202:83-98. [PMID: 30144425 PMCID: PMC6218302 DOI: 10.1016/j.trsl.2018.07.015] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2018] [Revised: 07/09/2018] [Accepted: 07/27/2018] [Indexed: 12/15/2022]
Abstract
Diabetes-related vascular complication rates remain unacceptably high despite guideline-based medical therapies that are significantly more effective in individuals without diabetes. This critical gap represents an opportunity for researchers and clinicians to collaborate on targeting mechanisms and pathways that specifically contribute to vascular pathology in patients with diabetes mellitus. Dysfunctional mitochondria producing excessive mitochondrial reactive oxygen species (mtROS) play a proximal cell-signaling role in the development of vascular endothelial dysfunction in the setting of diabetes. Targeting the mechanisms of production of mtROS or mtROS themselves represents an attractive method to reduce the prevalence and severity of diabetic vascular disease. This review focuses on the role of mitochondria in the development of diabetic vascular disease and current developments in methods to improve mitochondrial health to improve vascular outcomes in patients with DM.
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Affiliation(s)
- Michael E Widlansky
- Department of Medicine, Division of Cardiovascular Medicine and Department of Pharmacology, Medical College of Wisconsin, Milwaukee, Wisconsin.
| | - R Blake Hill
- Department of Biochemisty, Medical College of Wisconsin, Milwaukee, Wisconsin
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