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Li J, Hu C, Zhao B, Li J, Chen L. Proteomic and cardiac dysregulation by representative perfluoroalkyl acids of different chemical speciation during early embryogenesis of zebrafish. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 926:172000. [PMID: 38552965 DOI: 10.1016/j.scitotenv.2024.172000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 03/11/2024] [Accepted: 03/24/2024] [Indexed: 04/04/2024]
Abstract
Perfluoroalkyl acids (PFAAs) of different chemical speciation were previously found to cause diverse toxicity. However, the toxicological mechanisms depending on chemical speciation are still largely unknown. In this follow-up study, zebrafish embryos were acutely exposed to only one concentration at 4.67 μM of the acid and salt of representative PFAAs, including perfluorooctanoic acid (PFOA), perfluorobutane carboxylic acid (PFBA), and perfluorobutanesulfonic acid (PFBS), till 96 h post-fertilization (hpf), aiming to gain more mechanistic insights. High-throughput proteomics found that PFAA acid and salt exerted discriminative effects on protein expression pattern. Bioinformatic analyses based on differentially expressed proteins underlined the developmental cardiotoxicity of PFOA acid with regard to cardiac muscle contraction, vascular smooth muscle contraction, adrenergic signaling in cardiomyocytes, and multiple terms related to myocardial contraction. PFOA salt and PFBS acid merely disrupted the cardiac muscle contraction pathway, while cardiac muscle cell differentiation was significantly enriched in PFBA acid-exposed zebrafish larvae. Consistently, under PFAA exposure, especially PFOA and PFBS acid forms, transcriptional levels of key genes for cardiogenesis and the concentrations of troponin and epinephrine associated with myocardial contraction were significantly dysregulated. Moreover, a transgenic line Tg (my17: GFP) expressing green fluorescent protein in myocardial cells was employed to visualize the histopathology of developing heart. PFOA acid concurrently caused multiple deficits in heart morphogenesis and function, which were characterized by the significant increase in sinus venosus and bulbus arteriosus distance (SV-BA distance), the induction of pericardial edema, and the decrease in heart rate, further confirming the stronger toxicity of PFOA acid than the salt counterpart on heart development. Overall, this study highlighted the developmental cardiotoxicity of PFAAs, with potency ranking PFOA > PFBS > PFBA. The acid forms of PFAAs induced stronger cardiac toxicity than their salt counterparts, providing an additional insight into the structure-toxicity relationship.
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Affiliation(s)
- Jing Li
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430072, China; Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chenyan Hu
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430072, China
| | - Bin Zhao
- Center for Water and Ecology, State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China.
| | - Jiali Li
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lianguo Chen
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China.
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Zheng H, Xu Y, Liehn EA, Rusu M. Vitamin C as Scavenger of Reactive Oxygen Species during Healing after Myocardial Infarction. Int J Mol Sci 2024; 25:3114. [PMID: 38542087 PMCID: PMC10970003 DOI: 10.3390/ijms25063114] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 01/31/2024] [Accepted: 02/10/2024] [Indexed: 06/26/2024] Open
Abstract
Currently, coronary artery bypass and reperfusion therapies are considered the gold standard in long-term treatments to restore heart function after acute myocardial infarction. As a drawback of these restoring strategies, reperfusion after an ischemic insult and sudden oxygen exposure lead to the exacerbated synthesis of additional reactive oxidative species and the persistence of increased oxidation levels. Attempts based on antioxidant treatment have failed to achieve an effective therapy for cardiovascular disease patients. The controversial use of vitamin C as an antioxidant in clinical practice is comprehensively systematized and discussed in this review. The dose-dependent adsorption and release kinetics mechanism of vitamin C is complex; however, this review may provide a holistic perspective on its potential as a preventive supplement and/or for combined precise and targeted therapeutics in cardiovascular management therapy.
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Affiliation(s)
- Huabo Zheng
- Department of Cardiology, Angiology and Intensive Care, University Hospital, Rheinisch-Westfälische Technische Hochschule Aachen University, 52074 Aachen, Germany;
- Institute of Molecular Medicine, University of Southern Denmark, Campusvej 55, 5230 Odense, Denmark;
| | - Yichen Xu
- Institute of Molecular Medicine, University of Southern Denmark, Campusvej 55, 5230 Odense, Denmark;
- Department of Histology and Embryology, Medicine and Life Sciences, Hainan Medical University, Haikou 571199, China
| | - Elisa A. Liehn
- Institute of Molecular Medicine, University of Southern Denmark, Campusvej 55, 5230 Odense, Denmark;
- National Institute of Pathology “Victor Babes”, Splaiul Independentei Nr. 99-101, 050096 Bucharest, Romania
| | - Mihaela Rusu
- Institute of Applied Medical Engineering, Helmholtz Institute, Medical Faculty, Rheinisch-Westfälische Technische Hochschule Aachen University, 52074 Aachen, Germany
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Yu M, Wang Z, Wang D, Aierxi M, Ma Z, Wang Y. Oxidative stress following spinal cord injury: From molecular mechanisms to therapeutic targets. J Neurosci Res 2023; 101:1538-1554. [PMID: 37272728 DOI: 10.1002/jnr.25221] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 05/12/2023] [Accepted: 05/18/2023] [Indexed: 06/06/2023]
Abstract
Spinal cord injury (SCI) is a medical condition that results from severe trauma to the central nervous system; it imposes great psychological and economic burdens on affected patients and their families. The dynamic balance between reactive oxygen species (ROS) and antioxidants is essential for maintaining normal cellular physiological functions. As important intracellular signaling molecules, ROS regulate numerous physiological activities, including vascular reactivity and neuronal function. However, excessive ROS can cause damage to cellular macromolecules, including DNA, lipids, and proteins; this damage eventually leads to cell death. This review discusses the mechanisms of oxidative stress in SCI and describes some signaling pathways that regulate oxidative injury after injury, with the aim of providing guidance for the development of novel SCI treatment strategies.
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Affiliation(s)
- Mengsi Yu
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China
| | - Zhiying Wang
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China
| | - Dongmin Wang
- Medical College of Northwest Minzu University, Lanzhou, China
| | - Milikemu Aierxi
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China
| | - Zhanjun Ma
- Louvain Drug Research Institute, Advanced Drug Delivery and Biomaterials, Université Catholique de Louvain, UCLouvain, Brussels, Belgium
| | - Yonggang Wang
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, China
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Proteomics as a Tool for the Study of Mitochondrial Proteome, Its Dysfunctionality and Pathological Consequences in Cardiovascular Diseases. Int J Mol Sci 2023; 24:ijms24054692. [PMID: 36902123 PMCID: PMC10003354 DOI: 10.3390/ijms24054692] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 02/20/2023] [Accepted: 02/23/2023] [Indexed: 03/04/2023] Open
Abstract
The focus of this review is on the proteomic approaches applied to the study of the qualitative/quantitative changes in mitochondrial proteins that are related to impaired mitochondrial function and consequently different types of pathologies. Proteomic techniques developed in recent years have created a powerful tool for the characterization of both static and dynamic proteomes. They can detect protein-protein interactions and a broad repertoire of post-translation modifications that play pivotal roles in mitochondrial regulation, maintenance and proper function. Based on accumulated proteomic data, conclusions can be derived on how to proceed in disease prevention and treatment. In addition, this article will present an overview of the recently published proteomic papers that deal with the regulatory roles of post-translational modifications of mitochondrial proteins and specifically with cardiovascular diseases connected to mitochondrial dysfunction.
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Pasák M, Vanišová M, Tichotová L, Křížová J, Ardan T, Nemesh Y, Čížková J, Kolesnikova A, Nyshchuk R, Josifovska N, Lytvynchuk L, Kolko M, Motlík J, Petrovski G, Hansíková H. Mitochondrial Dysfunction in a High Intraocular Pressure-Induced Retinal Ischemia Minipig Model. Biomolecules 2022; 12:biom12101532. [PMID: 36291741 PMCID: PMC9599919 DOI: 10.3390/biom12101532] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 10/14/2022] [Accepted: 10/18/2022] [Indexed: 11/16/2022] Open
Abstract
Purpose: Retinal ischemia (RI) and progressive neuronal death are sight-threatening conditions. Mitochondrial (mt) dysfunction and fusion/fission processes have been suggested to play a role in the pathophysiology of RI. This study focuses on changes in the mt parameters of the neuroretina, retinal pigment epithelium (RPE) and choroid in a porcine high intraocular pressure (IOP)-induced RI minipig model. Methods: In one eye, an acute IOP elevation was induced in minipigs and compared to the other control eye. Activity and amount of respiratory chain complexes (RCC) were analyzed by spectrophotometry and Western blot, respectively. The coenzyme Q10 (CoQ10) content was measured using HPLC, and the ultrastructure of the mt was studied via transmission electron microscopy. The expression of selected mt-pathway genes was determined by RT-PCR. Results: At a functional level, increased RCC I activity and decreased total CoQ10 content were found in RPE cells. At a protein level, CORE2, a subunit of RCC III, and DRP1, was significantly decreased in the neuroretina. Drp1 and Opa1, protein-encoding genes responsible for mt quality control, were decreased in most of the samples from the RPE and neuroretina. Conclusions: The eyes of the minipig can be considered a potential RI model to study mt dysfunction in this disease. Strategies targeting mt protection may provide a promising way to delay the acute damage and onset of RI.
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Affiliation(s)
- Michael Pasák
- Laboratory for Study of Mitochondrial Disorders, Department of Paediatrics and Inherited Metabolic Disorders, First Faculty of Medicine, Charles University and General University Hospital in Prague, 12801 Prague, Czech Republic
| | - Marie Vanišová
- Laboratory for Study of Mitochondrial Disorders, Department of Paediatrics and Inherited Metabolic Disorders, First Faculty of Medicine, Charles University and General University Hospital in Prague, 12801 Prague, Czech Republic
| | - Lucie Tichotová
- Laboratory of Cell Regeneration and Cell Plasticity, Institute of Animal Physiology and Genetics AS CR, 277 21 Libechov, Czech Republic
| | - Jana Křížová
- Laboratory for Study of Mitochondrial Disorders, Department of Paediatrics and Inherited Metabolic Disorders, First Faculty of Medicine, Charles University and General University Hospital in Prague, 12801 Prague, Czech Republic
| | - Taras Ardan
- Laboratory of Cell Regeneration and Cell Plasticity, Institute of Animal Physiology and Genetics AS CR, 277 21 Libechov, Czech Republic
| | - Yaroslav Nemesh
- Laboratory of Cell Regeneration and Cell Plasticity, Institute of Animal Physiology and Genetics AS CR, 277 21 Libechov, Czech Republic
- Department of Cell Biology, Faculty of Science, Charles University,12808 Prague, Czech Republic
| | - Jana Čížková
- Laboratory of Cell Regeneration and Cell Plasticity, Institute of Animal Physiology and Genetics AS CR, 277 21 Libechov, Czech Republic
| | - Anastasiia Kolesnikova
- Laboratory of Cell Regeneration and Cell Plasticity, Institute of Animal Physiology and Genetics AS CR, 277 21 Libechov, Czech Republic
- Department of Cell Biology, Faculty of Science, Charles University,12808 Prague, Czech Republic
| | - Ruslan Nyshchuk
- Laboratory of Cell Regeneration and Cell Plasticity, Institute of Animal Physiology and Genetics AS CR, 277 21 Libechov, Czech Republic
- Department of Cell Biology, Faculty of Science, Charles University,12808 Prague, Czech Republic
| | - Natasha Josifovska
- Center for Eye Research, Department of Ophthalmology, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo and Oslo University Hospital, 0450 Oslo, Norway
| | - Lyubomyr Lytvynchuk
- Department of Ophthalmology, Justus Liebig University, University Hospital Giessen and Marburg GmbH, 35392 Giessen, Germany
- Karl Landsteiner Institute for Retinal Research and Imaging, 1030 Vienna, Austria
| | - Miriam Kolko
- Eye Translational Research Unit, Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark
- Department of Ophthalmology, Copenhagen University Hospital, Rigshospitalet, 2600 Glostrup, Denmark
| | - Jan Motlík
- Laboratory of Cell Regeneration and Cell Plasticity, Institute of Animal Physiology and Genetics AS CR, 277 21 Libechov, Czech Republic
| | - Goran Petrovski
- Center for Eye Research, Department of Ophthalmology, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo and Oslo University Hospital, 0450 Oslo, Norway
- Department of Ophthalmology, University Hospital of Split and University of Split, 21000 Split, Croatia
| | - Hana Hansíková
- Laboratory for Study of Mitochondrial Disorders, Department of Paediatrics and Inherited Metabolic Disorders, First Faculty of Medicine, Charles University and General University Hospital in Prague, 12801 Prague, Czech Republic
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Chen CL, Zhang L, Jin Z, Kasumov T, Chen YR. Mitochondrial redox regulation and myocardial ischemia-reperfusion injury. Am J Physiol Cell Physiol 2022; 322:C12-C23. [PMID: 34757853 PMCID: PMC8721908 DOI: 10.1152/ajpcell.00131.2021] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Mitochondrial reactive oxygen species (ROS) have emerged as an important mechanism of disease and redox signaling in the cellular system. Under basal or pathological conditions, electron leakage for ROS production is primarily mediated by complexes I and III of the electron transport chain (ETC) and by the proton motive force (PMF), consisting of a membrane potential (ΔΨ) and a proton gradient (ΔpH). Several factors control redox status in mitochondria, including ROS, the PMF, oxidative posttranslational modifications (OPTM) of the ETC subunits, SOD2, and cytochrome c heme lyase (HCCS). In the mitochondrial PMF, increased ΔpH-supported backpressure due to diminishing electron transport and chemiosmosis promotes a more reductive mitochondrial physiological setting. OPTM by protein cysteine sulfonation in complex I and complex III has been shown to affect enzymatic catalysis, the proton gradient, redox status, and enzyme-mediated ROS production. Pathological conditions associated with oxidative or nitrosative stress, such as myocardial ischemia and reperfusion (I/R), increase mitochondrial ROS production and redox dysfunction via oxidative injury to complexes I and III, intensely enhancing protein cysteine sulfonation and impairing heme integrity. The physiological conditions of reductive stress induced by gains in SOD2 function normalize I/R-mediated ROS overproduction and redox dysfunction. Further insight into the cellular mechanisms by which HCCS, biogenesis of c-type cytochrome, and OPTM regulate PMF and ROS production in mitochondria will enrich our understanding of redox signal transduction and identify new therapeutic targets for cardiovascular diseases in which oxidative stress perturbs normal redox signaling.
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Affiliation(s)
- Chwen-Lih Chen
- 1Department of Integrative Medical Sciences, College of Medicine,
Northeast Ohio Medical University, Rootstown, Ohio
| | - Liwen Zhang
- 2Campus Chemical Instrument Center, Proteomics and Mass Spectrometry Facility, The Ohio State University, Columbus, Ohio
| | - Zhicheng Jin
- 3Department of Pathology and Laboratory Medicine, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin
| | - Takhar Kasumov
- 4Department of Pharmaceutical Sciences, College of Pharmacy,
Northeast Ohio Medical University, Rootstown, Ohio
| | - Yeong-Renn Chen
- 1Department of Integrative Medical Sciences, College of Medicine,
Northeast Ohio Medical University, Rootstown, Ohio
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