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Bell G, Thoma A, Hargreaves IP, Lightfoot AP. The Role of Mitochondria in Statin-Induced Myopathy. Drug Saf 2024; 47:643-653. [PMID: 38492173 DOI: 10.1007/s40264-024-01413-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/22/2024] [Indexed: 03/18/2024]
Abstract
Statins represent the primary therapy for combatting hypercholesterolemia and reducing mortality from cardiovascular events. Despite their pleiotropic effects in lowering cholesterol synthesis, circulating cholesterol, as well as reducing the risk of other systemic diseases, statins have adverse events in a small, but significant, population of treated patients. The most prominent of these adverse effects is statin-induced myopathy, which lacks precise definition but is characterised by elevations in the muscle enzyme creatine kinase alongside musculoskeletal complaints, including pain, weakness and fatigue. The exact aetiology of statin-induced myopathy remains to be elucidated, although impaired mitochondrial function is thought to be an important underlying cause. This may result from or be the consequence of several factors including statin-induced inhibition of coenzyme Q10 (CoQ10) biosynthesis, impaired Ca2+ signalling and modified reactive oxygen species (ROS) generation. The purpose of this review article is to provide an update on the information available linking statin therapy with mitochondrial dysfunction and to outline any mechanistic insights, which may be beneficial in the future treatment of myopathic adverse events.
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Affiliation(s)
- Gavin Bell
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool, UK
| | - Anastasia Thoma
- Department of Biological Sciences, University of Cyprus, Nicosia, Cyprus
| | - Iain P Hargreaves
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool, UK.
| | - Adam P Lightfoot
- Department of Life Sciences, Manchester Metropolitan University, Manchester, UK.
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2
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Bhalla K, Rosier K, Monnens Y, Meulemans S, Vervoort E, Thorrez L, Agostinis P, Meier DT, Rochtus A, Resnick JL, Creemers JWM. Similar metabolic pathways are affected in both Congenital Myasthenic Syndrome-22 and Prader-Willi Syndrome. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167175. [PMID: 38626828 DOI: 10.1016/j.bbadis.2024.167175] [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: 12/18/2023] [Revised: 04/11/2024] [Accepted: 04/12/2024] [Indexed: 04/26/2024]
Abstract
Loss of prolyl endopeptidase-like (PREPL) encoding a serine hydrolase with (thio)esterase activity leads to the recessive metabolic disorder Congenital Myasthenic Syndrome-22 (CMS22). It is characterized by severe neonatal hypotonia, feeding problems, growth retardation, and hyperphagia leading to rapid weight gain later in childhood. The phenotypic similarities with Prader-Willi syndrome (PWS) are striking, suggesting that similar pathways are affected. The aim of this study was to identify changes in the hypothalamic-pituitary axis in mouse models for both disorders and to examine mitochondrial function in skin fibroblasts of patients and knockout cell lines. We have demonstrated that Prepl is downregulated in the brains of neonatal PWS-IC-p/+m mice. In addition, the hypothalamic-pituitary axis is similarly affected in both Prepl-/- and PWS-IC-p/+m mice resulting in defective orexigenic signaling and growth retardation. Furthermore, we demonstrated that mitochondrial function is altered in PREPL knockout HEK293T cells and can be rescued with the supplementation of coenzyme Q10. Finally, PREPL-deficient and PWS patient skin fibroblasts display defective mitochondrial bioenergetics. The mitochondrial dysfunction in PWS fibroblasts can be rescued by overexpression of PREPL. In conclusion, we provide the first molecular parallels between CMS22 and PWS, raising the possibility that PREPL substrates might become therapeutic targets for treating both disorders.
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Affiliation(s)
- Kritika Bhalla
- Laboratory for Biochemical Neuroendocrinology, Department of Human genetics, KU Leuven, 3000 Leuven, Belgium
| | - Karen Rosier
- Laboratory for Biochemical Neuroendocrinology, Department of Human genetics, KU Leuven, 3000 Leuven, Belgium
| | - Yenthe Monnens
- Laboratory for Biochemical Neuroendocrinology, Department of Human genetics, KU Leuven, 3000 Leuven, Belgium
| | - Sandra Meulemans
- Laboratory for Biochemical Neuroendocrinology, Department of Human genetics, KU Leuven, 3000 Leuven, Belgium
| | - Ellen Vervoort
- Laboratory for Cell Death Research & Therapy, VIB, Department of Cellular and Molecular Medicine, Center for Cancer Biology, KU Leuven, 3000 Leuven, Belgium
| | - Lieven Thorrez
- Department of Development and Regeneration, KU Leuven Campus Kulak, 8500 Kortrijk, Belgium
| | - Patrizia Agostinis
- Laboratory for Cell Death Research & Therapy, VIB, Department of Cellular and Molecular Medicine, Center for Cancer Biology, KU Leuven, 3000 Leuven, Belgium
| | - Daniel T Meier
- Clinic of Endocrinology, Diabetes and Metabolism, University Hospital Basel, Department of Biomedicine, University of Basel, Basel, Switzerland
| | - Anne Rochtus
- Department of Development and Regeneration, UZ Leuven, 3000 Leuven, Belgium
| | - James L Resnick
- Department of Molecular genetics & Microbiology, College of Medicine, University of Florida, Gainesville, FL 32610, USA
| | - John W M Creemers
- Laboratory for Biochemical Neuroendocrinology, Department of Human genetics, KU Leuven, 3000 Leuven, Belgium.
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Song YH, Lei HX, Yu D, Zhu H, Hao MZ, Cui RH, Meng XS, Sheng XH, Zhang L. Endogenous chemicals guard health through inhibiting ferroptotic cell death. Biofactors 2024; 50:266-293. [PMID: 38059412 DOI: 10.1002/biof.2015] [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: 06/12/2023] [Accepted: 10/17/2023] [Indexed: 12/08/2023]
Abstract
Ferroptosis is a new form of regulated cell death caused by iron-dependent accumulation of lethal polyunsaturated phospholipids peroxidation. It has received considerable attention owing to its putative involvement in a wide range of pathophysiological processes such as organ injury, cardiac ischemia/reperfusion, degenerative disease and its prevalence in plants, invertebrates, yeasts, bacteria, and archaea. To counter ferroptosis, living organisms have evolved a myriad of intrinsic efficient defense systems, such as cyst(e)ine-glutathione-glutathione peroxidase 4 system (cyst(e)ine-GPX4 system), guanosine triphosphate cyclohydrolase 1/tetrahydrobiopterin (BH4) system (GCH1/BH4 system), ferroptosis suppressor protein 1/coenzyme Q10 system (FSP1/CoQ10 system), and so forth. Among these, GPX4 serves as the only enzymatic protection system through the reduction of lipid hydroperoxides, while other defense systems ultimately rely on small compounds to scavenge lipid radicals and prevent ferroptotic cell death. In this article, we systematically summarize the chemical biology of lipid radical trapping process by endogenous chemicals, such as coenzyme Q10 (CoQ10), BH4, hydropersulfides, vitamin K, vitamin E, 7-dehydrocholesterol, with the aim of guiding the discovery of novel ferroptosis inhibitors.
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Affiliation(s)
- Yuan-Hao Song
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan, China
| | - Hong-Xu Lei
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China
- Department of Chemistry, University of Chinese Academy of Sciences, Beijing, China
| | - Dou Yu
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Shandong First Medical University, Jinan, China
| | - Hao Zhu
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan, China
| | - Meng-Zhu Hao
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan, China
| | - Rong-Hua Cui
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan, China
| | - Xiang-Shuai Meng
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan, China
| | - Xie-Huang Sheng
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan, China
| | - Lei Zhang
- Department of Orthopedic Surgery, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Tissue Engineering Laboratory, Jinan, China
- Department of Radiology, Shandong First Medical University, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan, China
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4
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Jbrael YJ, Hamad BK. Ameliorating impact of coenzyme Q10 on the profile of adipokines, cardiomyopathy, and hematological markers correlated with the glucotoxicity sequelae in diabetic rats. PLoS One 2024; 19:e0296775. [PMID: 38227584 PMCID: PMC10790996 DOI: 10.1371/journal.pone.0296775] [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: 07/25/2022] [Accepted: 12/18/2023] [Indexed: 01/18/2024] Open
Abstract
BACKGROUND In diabetes, high blood glucose induces glucotoxicity, resulting in the further damage of pancreatic beta-cells and then precipitating diabetic complications. This study was aimed to investigate the relationship between glucotoxicity with the level of adipokines, diabetic cardiomyopathy, and hematological markers. Moreover, the study examined the potential modulatory effect of coenzyme Q10 (CoQ10) on the aforementioned markers associated with the sequelae of diabetes mellitus. MATERIAL AND METHODS Twenty-four male rats were randomly assigned to receive an injection of STZ to induce diabetes (n = 16) or to remain uninduced (n = 8). The hyperglycemic status was induced in fasting rats by single intraperitoneal injection of STZ (45 mg /kg b.w.) dissolved in citrate buffer (pH 4.5). Three days after STZ injection, rats were divided into three groups; Normal control group (A), Diabetic control group (B), and CoQ10- treated diabetic group (C). The group (C) was fed with the basal diet supplemented with 5 g of CoQ10 per kilogram of diet for three weeks after the diabetes induction. After 21 days, the blood and serum samples were taken to conduct biochemical analyses. Blood glucose was determined by Blood Glucose Monitoring System. Adipokines or cytokines were evaluated by ELISA from a serum sample. Cardiac myopathy biomarkers were estimated by UP-Converting Phosphor Immunoassay Analyzer, and hematological parameters were measured by automatic hematology analyzer. RESULTS In hyperglycemic rats, the level of fasting blood glucose, and serum level of resistin, omentin, TNF-α, and cardiomyopathy biomarkers significantly increased (P < 0.05). The treatment with CoQ10 significantly decreased the profile of adipokines and cardiomyopathy markers (cardiac enzymes and LPPLA2) in diabetic rats and also reduced glucose levels (P < 0.05). Lymphocyte percentages significantly decreased while significant increases were observed in granulocytes and MID percentages in hyperglycemic rats. CONCLUSION Diabetic rats had higher serum levels of adipokines and cardiomyopathy markers. Among the hematological markers, GRA% and MID% increased while LYM% decreased. The profile of adipokines and cardiomyopathy markers improved when CoQ10 was supplemented. The study suggests that CoQ10 may have a beneficial effect on improving diabetic complications.
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Affiliation(s)
- Yousif Jameel Jbrael
- Department of Pharmacology and Toxicology, College of Pharmacy, Hawler Medical University, Erbil, Iraq
| | - Badraldin Kareem Hamad
- Department of Pharmacology and Toxicology, College of Pharmacy, Hawler Medical University, Erbil, Iraq
- University of Kurdistan Hawler (UKH), School of Medicine, Erbil, Iraq
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5
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Mantle D, Hargreaves IP, Domingo JC, Castro-Marrero J. Mitochondrial Dysfunction and Coenzyme Q10 Supplementation in Post-Viral Fatigue Syndrome: An Overview. Int J Mol Sci 2024; 25:574. [PMID: 38203745 PMCID: PMC10779395 DOI: 10.3390/ijms25010574] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 12/19/2023] [Accepted: 12/30/2023] [Indexed: 01/12/2024] Open
Abstract
Post-viral fatigue syndrome (PVFS) encompasses a wide range of complex neuroimmune disorders of unknown causes characterised by disabling post-exertional fatigue, myalgia and joint pain, cognitive impairments, unrefreshing sleep, autonomic dysfunction, and neuropsychiatric symptoms. It includes myalgic encephalomyelitis, also known as chronic fatigue syndrome (ME/CFS); fibromyalgia (FM); and more recently post-COVID-19 condition (long COVID). To date, there are no definitive clinical case criteria and no FDA-approved pharmacological therapies for PVFS. Given the current lack of effective treatments, there is a need to develop novel therapeutic strategies for these disorders. Mitochondria, the cellular organelles responsible for tissue energy production, have recently garnered attention in research into PVFS due to their crucial role in cellular bioenergetic metabolism in these conditions. The accumulating literature has identified a link between mitochondrial dysfunction and low-grade systemic inflammation in ME/CFS, FM, and long COVID. To address this issue, this article aims to critically review the evidence relating to mitochondrial dysfunction in the pathogenesis of these disorders; in particular, it aims to evaluate the effectiveness of coenzyme Q10 supplementation on chronic fatigue and pain symptoms as a novel therapeutic strategy for the treatment of PVFS.
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Affiliation(s)
- David Mantle
- Pharma Nord (UK) Ltd., Morpeth, Northumberland NE61 2DB, UK
| | - Iain Parry Hargreaves
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK;
| | - Joan Carles Domingo
- Department of Biochemistry and Molecular Biomedicine, Faculty of Biology, University of Barcelona, 08028 Barcelona, Spain;
| | - Jesus Castro-Marrero
- Research Unit in ME/CFS and Long COVID, Rheumatology Division, Vall d’Hebron Research Institute, Universitat Autònoma de Barcelona, 08035 Barcelona, Spain
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Hooshangi Shayesteh MR, Hami Z, Chamanara M, Parvizi MR, Golaghaei A, Nassireslami E. Evaluation of the protective effect of coenzyme Q 10 on hepatotoxicity caused by acute phosphine poisoning. Int J Immunopathol Pharmacol 2024; 38:3946320241250286. [PMID: 38764158 PMCID: PMC11104032 DOI: 10.1177/03946320241250286] [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: 10/01/2023] [Accepted: 04/12/2024] [Indexed: 05/21/2024] Open
Abstract
Background: Aluminum phosphide (AlP) poisoning is prevalent in numerous countries, resulting in high mortality rates. Phosphine gas, the primary agent responsible for AlP poisoning, exerts detrimental effects on various organs, notably the heart, liver and kidneys. Numerous studies have documented the advantageous impact of Coenzyme Q10 (CoQ10) in mitigating hepatic injuries. The objective of this investigation is to explore the potential protective efficacy of CoQ10 against hepatic toxicity arising from AlP poisoning. Method: The study encompassed distinct groups receiving almond oil, normal saline, exclusive CoQ10 (at a dosage of 100 mg/kg), AlP at 12 mg/kg; LD50 (lethal dose for 50%), and four groups subjected to AlP along with CoQ10 administration (post-AlP gavage). CoQ10 was administered at 10, 50, and 100 mg/kg doses via Intraparietal (ip) injections. After 24 h, liver tissue specimens were scrutinized for mitochondrial complex activities, oxidative stress parameters, and apoptosis as well as biomarkers such as aspartate transaminase (AST) and alanine transaminase (ALT). Results: AlP induced a significant decrease in the activity of mitochondrial complexes I and IV, as well as a reduction in catalase activity, Ferric Reducing Antioxidant Power (FRAP), and Thiol levels. Additionally, AlP significantly elevated oxidative stress levels, indicated by elevated reactive oxygen species (ROS) production, and resulted in the increment of hepatic biomarkers such as AST and ALT. Administration of CoQ10 led to a substantial improvement in the aforementioned biochemical markers. Furthermore, phosphine exposure resulted in a significant reduction in viable hepatocytes and an increase in apoptosis. Co-treatment with CoQ10 exhibited a dose-dependent reversal of these observed alterations. Conclusion: CoQ10 preserved mitochondrial function, consequently mitigating oxidative damage. This preventive action impeded the progression of heart cells toward apoptosis.
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Affiliation(s)
- Mohammad Reza Hooshangi Shayesteh
- Department of Pharmacology and Toxicology, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
- Toxicology Research Center, AJA University of Medical Sciences, Tehran, Iran
| | - Zahra Hami
- Department of Pharmacology and Toxicology, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
- Toxicology Research Center, AJA University of Medical Sciences, Tehran, Iran
| | - Mohsen Chamanara
- Department of Pharmacology and Toxicology, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
- Toxicology Research Center, AJA University of Medical Sciences, Tehran, Iran
| | - Mohammad Reza Parvizi
- Department of Physiology, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
| | - Alireza Golaghaei
- Department of Pharmacology and Toxicology, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
- Toxicology Research Center, AJA University of Medical Sciences, Tehran, Iran
| | - Ehsan Nassireslami
- Department of Pharmacology and Toxicology, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
- Toxicology Research Center, AJA University of Medical Sciences, Tehran, Iran
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7
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Sumiyoshi A, Shibata S, Lazarova D, Zhelev Z, Aoki I, Bakalova R. Tolerable treatment of glioblastoma with redox-cycling 'mitocans': a comparative study in vivo. Redox Rep 2023; 28:2220531. [PMID: 37581329 PMCID: PMC10435007 DOI: 10.1080/13510002.2023.2220531] [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] [Indexed: 08/16/2023] Open
Abstract
Objectives: The present study describes a pharmacological strategy for the treatment of glioblastoma by redoxcycling 'mitocans' such as quinone/ascorbate combination drugs, based on their tumor-selective redox-modulating effects and tolerance to normal cells and tissues.Methods: Experiments were performed on glioblastoma mice (orthotopic model) treated with coenzyme Q0/ascorbate (Q0/A). The drug was injected intracranially in a single dose. The following parameters were analyzed in vivo using MRI orex vivo using conventional assays: tumor growth, survival, cerebral and tumor perfusion, tumor cell density, tissue redox-state, and expression of tumor-associated NADH oxidase (tNOX).Results: Q0/A markedly suppressed tumor growth and significantly increased survival of glioblastoma mice. This was accompanied by increased oxidative stress in the tumor but not in non-cancerous tissues, increased tumor blood flow, and downregulation of tNOX. The redox-modulating and anticancer effects of Q0/A were more pronounced than those of menadione/ascorbate (M/A) obtained in our previous study. No adverse drug-related side-effects were observed in glioblastoma mice treated with Q0/A.Discussion: Q0/A differentiated cancer cells and tissues, particularly glioblastoma, from normal ones by redox targeting, causing a severe oxidative stress in the tumor but not in non-cancerous tissues. Q0/A had a pronounced anticancer activity and could be considered safe for the organism within certain concentration limits. The results suggest that the rate of tumor resorption and metabolism of toxic residues must be controlled and maintained within tolerable limits to achieve longer survival, especially at intracranial drug administration.
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Affiliation(s)
- Akira Sumiyoshi
- Department of Molecular Imaging and Theranostics, National Institutes for Quantum Science and Technology (QST), Chiba, Japan
| | - Sayaka Shibata
- Department of Molecular Imaging and Theranostics, National Institutes for Quantum Science and Technology (QST), Chiba, Japan
| | - Dessislava Lazarova
- Faculty of Medicine, Sofia University, “St. Kliment Ohridski”, Sofia, Bulgaria
| | - Zhivko Zhelev
- Faculty of Medicine, Trakia University, Stara Zagora, Bulgaria
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Sofia, Bulgaria
| | - Ichio Aoki
- Department of Molecular Imaging and Theranostics, National Institutes for Quantum Science and Technology (QST), Chiba, Japan
| | - Rumiana Bakalova
- Department of Molecular Imaging and Theranostics, National Institutes for Quantum Science and Technology (QST), Chiba, Japan
- Faculty of Medicine, Sofia University, “St. Kliment Ohridski”, Sofia, Bulgaria
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Li C, Zhang Y, Xia Q, Hao B, Hong Y, Yue L, Zheng T, Li M, Fan L. Multi-omics analysis revealed the mitochondrial-targeted drug combination to suppress the development of lung cancer. J Cancer Res Clin Oncol 2023; 149:17159-17174. [PMID: 37783930 DOI: 10.1007/s00432-023-05376-9] [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: 05/30/2023] [Accepted: 08/29/2023] [Indexed: 10/04/2023]
Abstract
PURPOSE The incidence and mortality of lung cancer are continuously rising in recent years. Mitochondrial energy metabolism malfunction is found to be crucial in cancer proliferation and bioenergetic reprogramming, especially for lung cancer. In this study, we attempted to use mitochondrial-targeted drug therapy to change the energy metabolism pattern of cancer cells to inhibit the development of lung cancer, and investigated its mechanism of action and key targets through multi-omics studies. METHODS In this study, we established the in vivo tumor mouse mode, treated mice with multiple mitochondrial-targeted drug combinations and DDP, severally. Then, we investigated the differences between the 7-drug group with the control group and the DDP treatment group by transcriptomics, proteomics and metabolomics to find the therapeutic targets. RESULTS We found that mitochondria-targeting drug cocktail therapy, especially the 7-drug regimen, effectively improved mitochondrial metabolism, changed energy supply patterns in lung cancer cells, significantly increased NK cells in tumor tissues, and decreased tumor markers in plasma. Multi-omics analysis informed that the combination of 7-drug could up-regulate mitochondrial oxidative phosphorylation, ATP synthesis and autophagy related genes, and down-regulate proliferation and immune-related genes compared with the control group. By further mapping the protein interaction network, we identified a key target for 7-drug therapy to reverse tumor metabolic reprogramming and validated it in metabolomics. CONCLUSIONS Mitochondrial-targeted drug cocktail therapy can effectively inhibit the occurrence and development of tumors, through the reprogramming of energy metabolism and the increase in immune cells in tumor tissues. Thus, we provide a novel approach for the treatment of lung cancer and present evidence-based clues for the combined use of targeted mitochondrial drugs.
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Affiliation(s)
- Chaoqun Li
- Department of Integrated Traditional Chinese and Western Medicine, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
- Institute of Energy Metabolism and Health, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Yanfei Zhang
- Department of Respiratory Medicine, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
- Institute of Energy Metabolism and Health, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Qing Xia
- Department of Integrated Traditional Chinese and Western Medicine, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
- Institute of Energy Metabolism and Health, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Bingjie Hao
- Department of Integrated Traditional Chinese and Western Medicine, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
- Institute of Energy Metabolism and Health, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Yifan Hong
- Institute of Energy Metabolism and Health, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Liduo Yue
- Institute of Energy Metabolism and Health, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Tiansheng Zheng
- Department of Integrated Traditional Chinese and Western Medicine, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
- Department of Respiratory Medicine, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Ming Li
- Department of Integrated Traditional Chinese and Western Medicine, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China.
| | - Lihong Fan
- Department of Integrated Traditional Chinese and Western Medicine, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China.
- Department of Respiratory Medicine, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China.
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China.
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9
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Hong S, Kim S, Kim K, Lee H. Clinical Approaches for Mitochondrial Diseases. Cells 2023; 12:2494. [PMID: 37887337 PMCID: PMC10605124 DOI: 10.3390/cells12202494] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 10/18/2023] [Accepted: 10/19/2023] [Indexed: 10/28/2023] Open
Abstract
Mitochondria are subcontractors dedicated to energy production within cells. In human mitochondria, almost all mitochondrial proteins originate from the nucleus, except for 13 subunit proteins that make up the crucial system required to perform 'oxidative phosphorylation (OX PHOS)', which are expressed by the mitochondria's self-contained DNA. Mitochondrial DNA (mtDNA) also encodes 2 rRNA and 22 tRNA species. Mitochondrial DNA replicates almost autonomously, independent of the nucleus, and its heredity follows a non-Mendelian pattern, exclusively passing from mother to children. Numerous studies have identified mtDNA mutation-related genetic diseases. The consequences of various types of mtDNA mutations, including insertions, deletions, and single base-pair mutations, are studied to reveal their relationship to mitochondrial diseases. Most mitochondrial diseases exhibit fatal symptoms, leading to ongoing therapeutic research with diverse approaches such as stimulating the defective OXPHOS system, mitochondrial replacement, and allotropic expression of defective enzymes. This review provides detailed information on two topics: (1) mitochondrial diseases caused by mtDNA mutations, and (2) the mechanisms of current treatments for mitochondrial diseases and clinical trials.
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Affiliation(s)
- Seongho Hong
- Korea Mouse Phenotyping Center, Seoul National University, Seoul 08826, Republic of Korea;
- Department of Medicine, Korea University College of Medicine, Seoul 02708, Republic of Korea
| | - Sanghun Kim
- Laboratory Animal Resource and Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju 28116, Republic of Korea;
- College of Veterinary Medicine and Research Institute of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Republic of Korea
| | - Kyoungmi Kim
- Department of Biomedical Sciences, Korea University College of Medicine, Seoul 02841, Republic of Korea
- Department of Physiology, Korea University College of Medicine, Seoul 02841, Republic of Korea
| | - Hyunji Lee
- Department of Medicine, Korea University College of Medicine, Seoul 02708, Republic of Korea
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10
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Arnouk S, Whitsett M, Papadopoulos J, Stewart Lewis Z, Dagher NN, Feldman DM, Park JS. Successful Treatment of Tenofovir Alafenamide-Induced Lactic Acidosis: A Case Report. J Pharm Pract 2023; 36:1260-1263. [PMID: 35635046 DOI: 10.1177/08971900221105042] [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] [Indexed: 09/22/2023]
Abstract
Nucleoside or nucleotide analogues (NAs) have the potential to cause lactic acidosis by inhibiting DNA polymerase-γ of human mitochondria and impairing aerobic metabolism. Patients may be asymptomatic, have mild non-specific symptoms, or present in multisystem organ failure. There is a paucity of data to guide management of life-threatening lactic acidosis due to NA therapy. Here we describe a case of a 60-year old critically ill male with decompensated cirrhosis secondary to hepatitis B virus (HBV) infection who developed severe lactic acidosis (13.8 mmol/L) 2 days after initiation of tenofovir alafenamide (TAF). All other possible etiologies for the elevated lactate were ruled out. Lactic acidosis resolved rapidly with TAF discontinuation and supplementation with cofactors supporting mitochondrial oxidative phosphorylation, including coenzyme Q10, levocarnitine, riboflavin, and thiamine. This case highlights the ability of TAF to cause lactic acidosis early after therapy initiation, especially in susceptible hosts, and reviews the potential role for cofactor supplementation for drug-induced mitochondrial injury.
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Affiliation(s)
- Serena Arnouk
- Department of Pharmacy, NYU Langone Health, New York, NY, USA
| | - Maureen Whitsett
- Department of Transplant Hepatology, Cleveland Clinic, Cleveland, OH, USA
| | | | | | - Nabil N Dagher
- Transplant Institute, NYU Langone Health, New York, NY, USA
| | - David M Feldman
- Department of Medicine, Division of Gastroenterology & Hepatology - NYU Langone Health, New York, NY, USA
| | - James S Park
- Department of Medicine, Division of Gastroenterology & Hepatology - NYU Langone Health, New York, NY, USA
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Staiano C, García-Corzo L, Mantle D, Turton N, Millichap LE, Brea-Calvo G, Hargreaves I. Biosynthesis, Deficiency, and Supplementation of Coenzyme Q. Antioxidants (Basel) 2023; 12:1469. [PMID: 37508007 PMCID: PMC10375973 DOI: 10.3390/antiox12071469] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/17/2023] [Accepted: 07/19/2023] [Indexed: 07/30/2023] Open
Abstract
Originally identified as a key component of the mitochondrial respiratory chain, Coenzyme Q (CoQ or CoQ10 for human tissues) has recently been revealed to be essential for many different redox processes, not only in the mitochondria, but elsewhere within other cellular membrane types. Cells rely on endogenous CoQ biosynthesis, and defects in this still-not-completely understood pathway result in primary CoQ deficiencies, a group of conditions biochemically characterised by decreased tissue CoQ levels, which in turn are linked to functional defects. Secondary CoQ deficiencies may result from a wide variety of cellular dysfunctions not directly linked to primary synthesis. In this article, we review the current knowledge on CoQ biosynthesis, the defects leading to diminished CoQ10 levels in human tissues and their associated clinical manifestations.
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Affiliation(s)
- Carmine Staiano
- Centro Andaluz de Biología del Desarrollo, Universidad Pablo de Olavide-CSIC-JA, 41013 Sevilla, Spain
- Centro de Investigación Biomédica en Red en Enfermedades Raras (CIBERER), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Departamento de Fisiología, Anatomía y Biología Celular, Universidad Pablo de Olavide, 41013 Sevilla, Spain
| | - Laura García-Corzo
- Centro Andaluz de Biología del Desarrollo, Universidad Pablo de Olavide-CSIC-JA, 41013 Sevilla, Spain
- Centro de Investigación Biomédica en Red en Enfermedades Raras (CIBERER), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Departamento de Fisiología, Anatomía y Biología Celular, Universidad Pablo de Olavide, 41013 Sevilla, Spain
| | | | - Nadia Turton
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Merseyside L3 5UX, UK
| | - Lauren E Millichap
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Merseyside L3 5UX, UK
| | - Gloria Brea-Calvo
- Centro Andaluz de Biología del Desarrollo, Universidad Pablo de Olavide-CSIC-JA, 41013 Sevilla, Spain
- Centro de Investigación Biomédica en Red en Enfermedades Raras (CIBERER), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Departamento de Fisiología, Anatomía y Biología Celular, Universidad Pablo de Olavide, 41013 Sevilla, Spain
| | - Iain Hargreaves
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Merseyside L3 5UX, UK
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12
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O'Connor K, Spendiff S, Lochmüller H, Horvath R. Mitochondrial Mutations Can Alter Neuromuscular Transmission in Congenital Myasthenic Syndrome and Mitochondrial Disease. Int J Mol Sci 2023; 24:ijms24108505. [PMID: 37239850 DOI: 10.3390/ijms24108505] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 04/28/2023] [Accepted: 05/02/2023] [Indexed: 05/28/2023] Open
Abstract
Congenital myasthenic syndromes (CMS) are a group of rare, neuromuscular disorders that usually present in childhood or infancy. While the phenotypic presentation of these disorders is diverse, the unifying feature is a pathomechanism that disrupts neuromuscular transmission. Recently, two mitochondrial genes-SLC25A1 and TEFM-have been reported in patients with suspected CMS, prompting a discussion about the role of mitochondria at the neuromuscular junction (NMJ). Mitochondrial disease and CMS can present with similar symptoms, and potentially one in four patients with mitochondrial myopathy exhibit NMJ defects. This review highlights research indicating the prominent roles of mitochondria at both the pre- and postsynapse, demonstrating the potential for mitochondrial involvement in neuromuscular transmission defects. We propose the establishment of a novel subcategorization for CMS-mitochondrial CMS, due to unifying clinical features and the potential for mitochondrial defects to impede transmission at the pre- and postsynapse. Finally, we highlight the potential of targeting the neuromuscular transmission in mitochondrial disease to improve patient outcomes.
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Affiliation(s)
- Kaela O'Connor
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, ON K1H 8L1, Canada
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada
- Centre for Neuromuscular Disease, University of Ottawa Brain and Mind Research Institute, Ottawa, ON K1H 8M5, Canada
| | - Sally Spendiff
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, ON K1H 8L1, Canada
| | - Hanns Lochmüller
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, ON K1H 8L1, Canada
- Division of Neurology, Department of Medicine, The Ottawa Hospital, Ottawa, ON K1H 8L6, Canada
- Brain and Mind Research Institute, University of Ottawa, Ottawa, ON K1H 8M5, Canada
- Department of Neuropediatrics and Muscle Disorders, Faculty of Medicine, Medical Center-University of Freiburg, 79104 Freiburg, Germany
- Centro Nacional de Análisis Genómico (CNAG-CRG), Center for Genomic Regulation, Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Catalonia, Spain
| | - Rita Horvath
- Department of Clinical Neurosciences, University of Cambridge, Cambridge CB3 0FD, UK
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13
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Bakalova R, Lazarova D, Sumiyoshi A, Shibata S, Zhelev Z, Nikolova B, Semkova S, Vlaykova T, Aoki I, Higashi T. Redox-Cycling "Mitocans" as Effective New Developments in Anticancer Therapy. Int J Mol Sci 2023; 24:ijms24098435. [PMID: 37176145 PMCID: PMC10179378 DOI: 10.3390/ijms24098435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 04/20/2023] [Accepted: 04/28/2023] [Indexed: 05/15/2023] Open
Abstract
Our study proposes a pharmacological strategy to target cancerous mitochondria via redox-cycling "mitocans" such as quinone/ascorbate (Q/A) redox-pairs, which makes cancer cells fragile and sensitive without adverse effects on normal cells and tissues. Eleven Q/A redox-pairs were tested on cultured cells and cancer-bearing mice. The following parameters were analyzed: cell proliferation/viability, mitochondrial superoxide, steady-state ATP, tissue redox-state, tumor-associated NADH oxidase (tNOX) expression, tumor growth, and survival. Q/A redox-pairs containing unprenylated quinones exhibited strong dose-dependent antiproliferative and cytotoxic effects on cancer cells, accompanied by overproduction of mitochondrial superoxide and accelerated ATP depletion. In normal cells, the same redox-pairs did not significantly affect the viability and energy homeostasis, but induced mild mitochondrial oxidative stress, which is well tolerated. Benzoquinone/ascorbate redox-pairs were more effective than naphthoquinone/ascorbate, with coenzyme Q0/ascorbate exhibiting the most pronounced anticancer effects in vitro and in vivo. Targeted anticancer effects of Q/A redox-pairs and their tolerance to normal cells and tissues are attributed to: (i) downregulation of quinone prenylation in cancer, leading to increased mitochondrial production of semiquinone and, consequently, superoxide; (ii) specific and accelerated redox-cycling of unprenylated quinones and ascorbate mainly in the impaired cancerous mitochondria due to their redox imbalance; and (iii) downregulation of tNOX.
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Affiliation(s)
- Rumiana Bakalova
- Department of Molecular Imaging and Theranostics, National Institutes for Quantum Science and Technology (QST), Chiba 263-8555, Japan
- Faculty of Medicine, Sofia University, St. Kliment Ohridski, 1407 Sofia, Bulgaria
| | - Dessislava Lazarova
- Faculty of Medicine, Sofia University, St. Kliment Ohridski, 1407 Sofia, Bulgaria
| | - Akira Sumiyoshi
- Department of Molecular Imaging and Theranostics, National Institutes for Quantum Science and Technology (QST), Chiba 263-8555, Japan
| | - Sayaka Shibata
- Department of Molecular Imaging and Theranostics, National Institutes for Quantum Science and Technology (QST), Chiba 263-8555, Japan
| | - Zhivko Zhelev
- Faculty of Medicine, Trakia University, 6000 Stara Zagora, Bulgaria
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Biliana Nikolova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Severina Semkova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Tatyana Vlaykova
- Faculty of Medicine, Trakia University, 6000 Stara Zagora, Bulgaria
| | - Ichio Aoki
- Department of Molecular Imaging and Theranostics, National Institutes for Quantum Science and Technology (QST), Chiba 263-8555, Japan
| | - Tatsuya Higashi
- Department of Molecular Imaging and Theranostics, National Institutes for Quantum Science and Technology (QST), Chiba 263-8555, Japan
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14
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Fakhrolmobasheri M, Hosseini MS, Shahrokh SG, Mohammadi Z, Kahlani MJ, Majidi SE, Zeinalian M. Coenzyme Q10 and Its Therapeutic Potencies Against COVID-19 and Other Similar Infections: A Molecular Review. Adv Pharm Bull 2023; 13:233-243. [PMID: 37342382 PMCID: PMC10278218 DOI: 10.34172/apb.2023.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 10/09/2021] [Accepted: 11/06/2021] [Indexed: 08/25/2023] Open
Abstract
Purpose: New lethal coronavirus disease 2019 (COVID-19), currently, has been converted to a disastrous pandemic worldwide. As there has been found no definitive treatment for the infection in this review we focused on molecular aspects of coenzyme Q10 (CoQ10) and possible therapeutic potencies of CoQ10 against COVID-19 and similar infections. Methods: This is a narrative review in which we used some authentic resources including PubMed, ISI, Scopus, Science Direct, Cochrane, and some preprint databases, the molecular aspects of CoQ10 effects, regarding to the COVID-19 pathogenesis, have been analyzed and discussed. Results: CoQ10 is an essential cofactor in the electron transport chain of the phosphorylative oxidation system. It is a powerful lipophilic antioxidant, anti-apoptotic, immunomodulatory and anti-inflammatory supplement which has been tested for the management and prevention of a variety of diseases particularly diseases with inflammatory pathogenesis. CoQ10 is a strong anti-inflammatory agent which can reduce tumor necrosis factor-α (TNF-α), interleukin (IL)- 6, C-reactive protein (CRP), and other inflammatory cytokines. The cardio-protective role of CoQ10 in improving viral myocarditis and drug induced cardiotoxicity has been determined in different studies. CoQ10 could also improve the interference in the RAS system caused by COVID-19 through exerting anti-Angiotensin II effects and decreasing oxidative stress. CoQ10 passes easily through blood-brain barrier (BBB). As a neuroprotective agent CoQ10 can reduce oxidative stress and modulate the immunologic reactions. These properties may help to reduce CNS inflammation and prevent BBB damage and neuronal apoptosis in COVID-19 patients. Conclusion: CoQ10 supplementation may prevent the COVID-19-induced morbidities with a potential protective role against the deleterious consequences of the disease, further clinical evaluations are encouraged.
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Affiliation(s)
- Mohammad Fakhrolmobasheri
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical sciences, Isfahan, Iran
| | - Mahnaz-Sadat Hosseini
- School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Seyedeh-Ghazal Shahrokh
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical sciences, Isfahan, Iran
| | - Zahra Mohammadi
- Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Mohammad-Javad Kahlani
- Department of Cell and Molecular Biology and Microbiology, Faculty of Biological Sciences and Technologies, University of Isfahan, Isfahan, Iran
| | - Seyed-Erfan Majidi
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical sciences, Isfahan, Iran
| | - Mehrdad Zeinalian
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical sciences, Isfahan, Iran
- Pediatric Inherited Disease Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
- Iranians Cancer Control Charity Institute (MACSA), Isfahan, Iran
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15
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Kashio A, Yamada C, Yasuhara K, Kamogashira T, Someya S, Yamasoba T. Taurine, Coenzyme Q 10, and Hydrogen Water Prevents Germanium Dioxide-Induced Mitochondrial Dysfunction and Associated Sensorineural Hearing Loss in mouse. Hear Res 2023; 428:108678. [PMID: 36577362 DOI: 10.1016/j.heares.2022.108678] [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: 04/01/2022] [Revised: 11/26/2022] [Accepted: 12/16/2022] [Indexed: 12/23/2022]
Abstract
Mitochondrial dysfunction has been implicated in numerous common diseases as well as aging and plays an important role in the pathogenesis of sensorineural hearing loss (SNHL). In the current study, we showed that supplementation with germanium dioxide (GeO2) in CBA/J mice resulted in SNHL due to the degeneration of the stria vascularis and spiral ganglion, which were associated with down-regulation of mitochondrial respiratory chain associated genes and up-regulation in apoptosis associated genes in the cochlea. Supplementation with taurine, coenzyme Q10, or hydrogen-rich water, attenuated the cochlear degeneration and associated SNHL induced by GeO2. These results suggest that daily supplements or consumption of antioxidants, such as taurine, coenzyme Q10, and hydrogen-rich water, may be a promising intervention to slow SNHL associated with mitochondrial dysfunction.
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Affiliation(s)
- Akinori Kashio
- Department of Otolaryngology and Head and Neck Surgery, Faculty of Medicine, University of Tokyo, Tokyo, Japan
| | - Chikako Yamada
- Department of Otolaryngology and Head and Neck Surgery, Faculty of Medicine, University of Tokyo, Tokyo, Japan
| | - Kazuo Yasuhara
- Department of Otolaryngology and Head and Neck Surgery, Faculty of Medicine, University of Tokyo, Tokyo, Japan
| | - Teru Kamogashira
- Department of Otolaryngology and Head and Neck Surgery, Faculty of Medicine, University of Tokyo, Tokyo, Japan
| | - Shinichi Someya
- Department of Aging and Geriatric Research, University of Florida, Gainesville, Florida, United States of America
| | - Tatsuya Yamasoba
- Department of Otolaryngology and Head and Neck Surgery, Faculty of Medicine, University of Tokyo, Tokyo, Japan.
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16
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Hornos Carneiro MF, Colaiácovo MP. Beneficial antioxidant effects of Coenzyme Q10 on reproduction. VITAMINS AND HORMONES 2022; 121:143-167. [PMID: 36707133 DOI: 10.1016/bs.vh.2022.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
This chapter focuses on preclinical and clinical studies conducted in recent years that contribute to increasing knowledge on the role of Coenzyme Q10 in female reproductive health. General aspects of CoQ10, such as its role as an antioxidant and in mitochondrial bioenergetics are considered. The age-dependent decline in human female reproductive potential is associated with cellular mitochondrial dysfunction and oxidative stress, and in some cases accompanied by a decrease in CoQ10 levels. Herein, we discuss experimental and clinical evidence on CoQ10 protective effects on reproductive health. We also address the potential of supplementation with this coenzyme to rescue reprotoxicity induced by exposure to environmental xenobiotics. This review not only contributes to our general understanding of the effects of aging on female reproduction but also provides new insights into strategies promoting reproductive health. The use of CoQ10 supplementation can improve reproductive performance through the scavenging of reactive oxygen species and free radicals. This strategy can constitute a low-risk and low-cost strategy to attenuate the impact on fertility related to aging and exposure to environmental chemicals.
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Affiliation(s)
| | - Monica P Colaiácovo
- Department of Genetics, Blavatnik Institute, Harvard Medical School, Boston, MA, United States.
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17
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Traitements médicaux dans la neuropathie optique héréditaire de Leber. J Fr Ophtalmol 2022; 45:S24-S31. [DOI: 10.1016/s0181-5512(22)00447-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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18
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Quantum tunnelling in the context of SARS-CoV-2 infection. Sci Rep 2022; 12:16929. [PMID: 36209224 PMCID: PMC9547378 DOI: 10.1038/s41598-022-21321-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 09/26/2022] [Indexed: 12/29/2022] Open
Abstract
The SARS-CoV-2 pandemic has added new urgency to the study of viral mechanisms of infection. But while vaccines offer a measure of protection against this specific outbreak, a new era of pandemics has been predicted. In addition to this, COVID-19 has drawn attention to post-viral syndromes and the healthcare burden they entail. It seems integral that knowledge of viral mechanisms is increased through as wide a research field as possible. To this end we propose that quantum biology might offer essential new insights into the problem, especially with regards to the important first step of virus-host invasion. Research in quantum biology often centres around energy or charge transfer. While this is predominantly in the context of photosynthesis there has also been some suggestion that cellular receptors such as olfactory or neural receptors might employ vibration assisted electron tunnelling to augment the lock-and-key mechanism. Quantum tunnelling has also been observed in enzyme function. Enzymes are implicated in the invasion of host cells by the SARS-CoV-2 virus. Receptors such as olfactory receptors also appear to be disrupted by COVID-19. Building on these observations we investigate the evidence that quantum tunnelling might be important in the context of infection with SARS-CoV-2. We illustrate this with a simple model relating the vibronic mode of, for example, a viral spike protein to the likelihood of charge transfer in an idealised receptor. Our results show a distinct parameter regime in which the vibronic mode of the spike protein enhances electron transfer. With this in mind, novel therapeutics to prevent SARS-CoV-2 transmission could potentially be identified by their vibrational spectra.
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19
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Akarca-Dizakar SÖ, Demirel MA, Coşkun Akçay N, Sipahi M, Karakoç Sökmensüer L, Boyunaga H, Köylü A, Ömeroğlu S. The therapeutic effects of coenzyme Q10 on surgically induced endometriosis in Sprague Dawley rats. J OBSTET GYNAECOL 2022; 42:3290-3298. [PMID: 36048875 DOI: 10.1080/01443615.2022.2114322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The aim of this study was to evaluate the effects of coenzyme Q10 in the treatment of endometriosis rat models. Twenty seven Sprague Dawley rats were divided into four groups; Control Group (n = 7; Endometriosis group), Reference Group (n = 6; Endometriosis + Buserelin acetate, 20 mg/kg), CoQ10 Group-I (n = 7; Endometriosis + CoQ10, 50 mg/kg) and CoQ10 Group-II (n = 7; Endometriosis + CoQ10, 100 mg/kg). At the end of the experiment, all the rats were sacrificed, and the volume and histoarchitecture of endometrial implants were evaluated. The mast cells were determined by Toluidine blue and collagen fiber density was analysed by Masson's Trichrome staining. Tumour necrosis factor and vascular endothelial growth factor (VEGF) levels were analysed by enzyme-linked immunosorbent assay in peritoneal fluid and VEGF and matrix metalloproteinase-9 (MMP-9) were evaluated by immunohistochemistry. Terminal deoxynucleotidil transferase-mediated dUTP Nick end labelling (TUNEL) was also used for the detection of apoptotic cells. The CoQ10 treatment significantly decreased the volume of endometriotic implants, VEGF, and MMP-9 immunoreactivity and increased TUNEL-positive cells. The findings of the study suggest that CoQ10 can be used in endometriosis treatment by suppressing the endometriotic implants.IMPACT STATEMENTWhat is already known on this subject? Endometriosis is a gynaecological disorder and previous studies have shown that different treatments with antioxidants cause significant regression in the endometriotic implants.What the results of this study add? In this study, CoQ10 reduced intra-abdominal adhesion scores and volume of the endometriotic implants. In addition, CoQ10 treatment affected mast cell, TNF-α, VEGF, and MMP-9.What of these findings for clinical practice and/or further research? CoQ10 treatments may be possible to apply, it can contribute to science in terms of a new therapeutic treatment for endometriosis. Further studies are required to evaluate the Coenzyme Q10's effects on pain and subfertility in endometriosis.
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Affiliation(s)
| | - Mürşide Ayşe Demirel
- Laboratory Animals Breeding and Experimental Researches Center, Department of Basic Pharmaceutical Sciences, Faculty of Pharmacy Gazi University, Ankara, Turkey
| | - Neslihan Coşkun Akçay
- Department of Obstetrics and Gynecology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Mehmet Sipahi
- Department of Obstetrics and Gynecology, Giresun University Faculty of Medicine, Giresun, Turkey
| | - Lale Karakoç Sökmensüer
- Department of Histology and Embryology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Hakan Boyunaga
- Department of Medical Biochemistry, Faculty of Medicine, Kırıkkale University, Kırıkkale, Turkey
| | - Ayse Köylü
- Department of Histology and Embryology, İstinye University Faculty of Medicine, Ankara, Turkey
| | - Suna Ömeroğlu
- Department of Histology and Embryology, Gazi University Faculty of Medicine, Ankara, Turkey
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20
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Xu Y, Lian Y, Li J, Zhang Y, Liu Y, Wang X, Ma J, Li F. KangPiLao decoction modulates cognitive and emotional disorders in rats with central fatigue through the GABA/Glu pathway. Front Pharmacol 2022; 13:939169. [PMID: 36120289 PMCID: PMC9478895 DOI: 10.3389/fphar.2022.939169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 07/26/2022] [Indexed: 11/13/2022] Open
Abstract
Background: Central fatigue (CF) is a subjective sense of tiredness associated with cognitive and memory disorders, accompanied by reduced physical endurance and negative emotions, such as anxiety and depression. Disease progression and prognosis with regards to CF have been unfavorable and possibly contribute to dementia, schizophrenia, and other diseases. Additionally, effective treatments for CF are lacking. KangPiLao decoction (KPLD) has been widely applied in clinical treatment and is composed of six Chinese herbal medicines, some of which have confirmed anti-fatigue effects. While glutamic acid (Glu) is the main excitatory transmitter in the central nervous system (CNS), gamma-aminobutyric acid (GABA) is the major inhibitory transmitter. Both are involved in emotional, cognitive, and memory functions. This research was designed to explore how KPLD regulates cognitive and emotional disorders in rats with CF and to identify the relationship between the regulatory effect and the GABA/Glu pathway. Methods: The compounds comprising KPLD were analyzed using high-performance liquid chromatography-mass spectrometry. Sixty Wistar rats were randomly divided into six groups. The modified multiple platform method was used to induce CF. Cognitive, emotional, and fatigue states were evaluated by performing behavioral tests (Morris water maze [MWM], open-field test [OFT], and grip strength test). Histomorphology, western blotting, immunohistochemistry, and RT-qPCR were performed to investigate protein and mRNA expression levels in the hippocampus and prefrontal cortexes involved in the GABA/Glu pathway. Results: Rats with CF exhibited impaired spatial cognition and increased negative emotions in the MWM and OFT. KPLD enabled the improvement of these symptoms, especially in the high-concentration group. Western blotting and RT-qPCR demonstrated that the expression of GABAARα1, GABAARγ2, GABABR1, and GAD67 in rats with CF was higher, whereas GAT-1 and NMDAR2B were lower in the hippocampus and prefrontal cortex. KPLD decreased the expression of GABAARα1, GABABR1, GABAARγ2, and GAD67 in the hippocampus and prefrontal cortex and enhanced the expression of NR2B in the prefrontal cortex. Conclusion: KPLD significantly improved cognitive and emotional disorders in rats with CF by regulating the GABA/Glu pathway. Overall, KPLD may be a promising candidate for developing a drug for treating CF.
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Affiliation(s)
- Yifei Xu
- Beijing University of Chinese Medicine, Beijing, China
| | - Yajun Lian
- Nanjing University of Chinese Medicine, Nanjing, China
| | - Jie Li
- Beijing University of Chinese Medicine, Beijing, China
| | - Yifei Zhang
- Beijing University of Chinese Medicine, Beijing, China
| | - Yan Liu
- Beijing University of Chinese Medicine, Beijing, China
| | - Xuejiao Wang
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jie Ma
- Beijing University of Chinese Medicine, Beijing, China
| | - Feng Li
- Beijing University of Chinese Medicine, Beijing, China
- *Correspondence: Feng Li,
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21
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Wang Y, Hekimi S. The efficacy of coenzyme Q 10 treatment in alleviating the symptoms of primary coenzyme Q 10 deficiency: A systematic review. J Cell Mol Med 2022; 26:4635-4644. [PMID: 35985679 PMCID: PMC9443948 DOI: 10.1111/jcmm.17488] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 06/21/2022] [Accepted: 06/30/2022] [Indexed: 12/31/2022] Open
Abstract
Coenzyme Q10 (CoQ10 ) is necessary for mitochondrial electron transport. Mutations in CoQ10 biosynthetic genes cause primary CoQ10 deficiency (PCoQD) and manifest as mitochondrial disorders. It is often stated that PCoQD patients can be treated by oral CoQ10 supplementation. To test this, we compiled all studies describing PCoQD patients up to May 2022. We excluded studies with no data on CoQ10 treatment, or with insufficient description of effectiveness. Out of 303 PCoQD patients identified, we retained 89 cases, of which 24 reported improvements after CoQ10 treatment (27.0%). In five cases, the patient's condition was reported to deteriorate after halting of CoQ10 treatment. 12 cases reported improvement in the severity of ataxia and 5 cases in the severity of proteinuria. Only a subjective description of improvement was reported for 4 patients described as responding. All reported responses were partial improvements of only some symptoms. For PCoQD patients, CoQ10 supplementation is replacement therapy. Yet, there is only very weak evidence for the efficacy of the treatment. Our findings, thus, suggest a need for caution when seeking to justify the widespread use of CoQ10 for the treatment of any disease or as dietary supplement.
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Affiliation(s)
- Ying Wang
- Department of BiologyMcGill UniversityMontrealQuebecCanada
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22
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Sue-Ling CB, Abel WM, Sue-Ling K. Coenzyme Q10 as Adjunctive Therapy for Cardiovascular Disease and Hypertension: A Systematic Review. J Nutr 2022; 152:1666-1674. [PMID: 35348726 DOI: 10.1093/jn/nxac079] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 03/07/2022] [Accepted: 03/25/2022] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Mitochondrial ATP production requires a small electron carrier, coenzyme Q10 (CoQ10), which has been used as adjunctive therapy in patients with cardiovascular disease (CVD) and hypertension (HTN) because of its bioenergetics and antioxidant properties. Randomized controlled trials (RCTs) beyond the last 2 decades evaluating CoQ10 added to conventional therapy resulted in mixed results and were underpowered to address major clinical endpoints. OBJECTIVES The objective of this systematic review was to examine the impact of CoQ10 supplementation on older adults with CVD or HTN in the last 2 decades (2000-2020). METHODS PubMed/Medline, Cochrane Database, CINAHL, and Google Scholar databases were searched systematically, and references from selected studies were manually reviewed, to identify RCTs or crossover studies evaluating the efficacy of CoQ10 supplementation. Data extracted from selected studies included trial design and duration, treatment, dose, participant characteristics, study variables, and important findings. RESULTS A total of 14 studies (1067 participants) met the inclusion criteria. The effect of CoQ10 supplementation was examined among predominantly older adult males with heart failure (HF) (n = 6), HTN (n = 4), and ischemic heart disease (n = 3), and preoperatively in patients scheduled for cardiac surgery (n = 1). CoQ10 supplementation in patients with HF improved functional capacity, increased serum CoQ10 concentrations, and led to fewer major adverse cardiovascular events. CoQ10 had positive quantifiable effects on inflammatory markers in patients with ischemic heart disease. Myocardial hemodynamics improved in patients who received CoQ10 supplementation before cardiac surgery. Effects on HTN were inconclusive. CONCLUSIONS In predominantly older adult males with CVD or HTN, CoQ10 supplementation added to conventional therapy is safe and offers benefits clinically and at the cellular level. However, results of the trials need to be viewed with caution, and further studies are indicated before widespread usage of CoQ10 is recommended in all older adults.
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Affiliation(s)
| | - Willie M Abel
- School of Nursing, The University of North Carolina at Charlotte, Charlotte, NC, USA
| | - Keith Sue-Ling
- Department of Cardiology, University Hospital, Augusta, GA, USA
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Turton N, Cufflin N, Dewsbury M, Fitzpatrick O, Islam R, Watler LL, McPartland C, Whitelaw S, Connor C, Morris C, Fang J, Gartland O, Holt L, Hargreaves IP. The Biochemical Assessment of Mitochondrial Respiratory Chain Disorders. Int J Mol Sci 2022; 23:ijms23137487. [PMID: 35806492 PMCID: PMC9267223 DOI: 10.3390/ijms23137487] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 07/03/2022] [Accepted: 07/04/2022] [Indexed: 12/10/2022] Open
Abstract
Mitochondrial respiratory chain (MRC) disorders are a complex group of diseases whose diagnosis requires a multidisciplinary approach in which the biochemical investigations play an important role. Initial investigations include metabolite analysis in both blood and urine and the measurement of lactate, pyruvate and amino acid levels, as well as urine organic acids. Recently, hormone-like cytokines, such as fibroblast growth factor-21 (FGF-21), have also been used as a means of assessing evidence of MRC dysfunction, although work is still required to confirm their diagnostic utility and reliability. The assessment of evidence of oxidative stress may also be an important parameter to consider in the diagnosis of MRC function in view of its association with mitochondrial dysfunction. At present, due to the lack of reliable biomarkers available for assessing evidence of MRC dysfunction, the spectrophotometric determination of MRC enzyme activities in skeletal muscle or tissue from the disease-presenting organ is considered the ‘Gold Standard’ biochemical method to provide evidence of MRC dysfunction. The purpose of this review is to outline a number of biochemical methods that may provide diagnostic evidence of MRC dysfunction in patients.
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Affiliation(s)
- Nadia Turton
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK
| | - Neve Cufflin
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK
| | - Mollie Dewsbury
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK
| | - Olivia Fitzpatrick
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK
| | - Rahida Islam
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK
| | - Lowidka Linares Watler
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK
| | - Cara McPartland
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK
| | - Sophie Whitelaw
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK
| | - Caitlin Connor
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK
| | - Charlotte Morris
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK
| | - Jason Fang
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK
| | - Ollie Gartland
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK
| | - Liv Holt
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK
| | - Iain P Hargreaves
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK
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Ma J, Fu X, Zhou S, Meng E, Yang Z, Zhang H. Study on the serum level of CoQ10B in patients with Moyamoya disease and its mechanism of affecting disease progression. ARQUIVOS DE NEURO-PSIQUIATRIA 2022; 80:469-474. [PMID: 35613207 DOI: 10.1590/0004-282x-anp-2021-0002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 07/21/2021] [Indexed: 01/17/2023]
Abstract
BACKGROUND At present, the etiology and pathogenesis of Moyamoya disease (MMD) are not completely clear. Patients are usually diagnosed after cerebrovascular events. Therefore, it is of great clinical significance to explore the predictive factors of MMD. OBJECTIVE This study aimed to investigate the serum level of CoQ10B, the amount of endothelial progenitor cells (EPCs), and mitochondrial function of EPCs in MMD patients. METHODS Forty-one MMD patients and 20 healthy controls were recruited in this study. Patients with MMD were divided into two groups: Ischemic type (n=23) and hemorrhagic type (n=18). Blood samples were collected from the antecubital vein and analyzed by CoQ10B ELISA and flow cytometry. Measures of mitochondrial function of EPCs include oxygen consumption rate (OCR), mitochondrial membrane potential, Ca2+ concentration, adenosine triphosphatases activity and ROS level. RESULTS The serum CoQ10B level in MMD patients was significantly lower than that in healthy controls (p<0.001). The relative number of EPCs in MMD patients was significantly higher than that in healthy controls (p<0.001). Moreover, the OCR, mitochondrial membrane potential and ATPase activity were decreased and the Ca2+ and reactive oxygen species levels were increased in MMD patients (p<0.001). CONCLUSIONS Our results showed obviously decreased serum CoQ10B level and increased EPCs number in patients with MMD compared with healthy patients, and the mitochondria function of EPCs in MMD patients was abnormal.
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Affiliation(s)
- Jian Ma
- Zhengzhou University, The Fifth Affiliated Hospital of Zhengzhou, Department of Neurosurgery, Henan, China
| | - Xudong Fu
- Zhengzhou University, The Fifth Affiliated Hospital of Zhengzhou, Department of Neurosurgery, Henan, China
| | - Shaolong Zhou
- Zhengzhou University, The Fifth Affiliated Hospital of Zhengzhou, Department of Neurosurgery, Henan, China
| | - Enping Meng
- Zhengzhou University, The Fifth Affiliated Hospital of Zhengzhou, Department of Neurosurgery, Henan, China
| | - Zhuo Yang
- Zhengzhou University, The Fifth Affiliated Hospital of Zhengzhou, Department of Neurosurgery, Henan, China
| | - Hengwei Zhang
- Zhengzhou University, The Fifth Affiliated Hospital of Zhengzhou, Department of Neurosurgery, Henan, China
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Li H, Hu Y, Liu D, Wang J, Han P, Zhang N, Li Y. Bioinformatic Characterization of Whole Blood Neutrophils in Pelvic Inflammatory Disease: A Potential Prognostic Indicator for Transumbilical Single-Port Laparoscopic Pelvic Abscess Surgery. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2022; 2022:2555603. [PMID: 35401780 PMCID: PMC8993565 DOI: 10.1155/2022/2555603] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/31/2021] [Accepted: 01/11/2022] [Indexed: 12/19/2022]
Abstract
The purpose of this research is to determine the prognosis of patients treated with transumbilical single-port laparoscopic surgery for acute pelvic inflammatory illness. Postoperative data on 129 patients treated with laparoscopic surgery for acute pelvic inflammatory illness were obtained retrospectively. It was observed that the shorter the time required for postoperative leukocyte recovery to normal, the shorter the time required for postoperative pain and diet recovery, as well as hospital stay, in such individuals. CIBERSORT was used to examine patient data from GEO. The most significant difference between the normal and pelvic inflammatory groups was in neutrophil content. Association study found a substantial positive correlation between the quantity of neutrophils infiltrating the immune system and the abundance of monocyte M0 infiltrating the immune system. Neutrophil immune infiltration was strongly inversely linked with plasma cells, activated CD8+ Tm cells, and active CD4+ Tm cells. Four mRNAs linked with pelvic inflammatory illness were revealed to be strongly associated with neutrophil immune infiltration, notably CALML4, COQ10B, DCPS, and PPP2R1A. The ROC revealed that CALML4 (area under the curve (AUC): 0.769, 95% confidence interval (CI): 0.638-0.881), COQ10B (AUC: 0.742, 95% CI: 0.587-0.881), PPP2R1A (AUC: 0.733 95% CI: 0.593-0.857), and DCPS (AUC: 0.745, 95% CI: 0.571-0.900) were potential markers for predicting pelvic inflammatory disease. CALML4, COQ10B, PPP2R1A, and DCPS may be critical determinants determining the amount of preoperative neutrophil infiltration and the time required for leukocyte recovery after single-port laparoscopy in acute pelvic inflammatory illness.
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Affiliation(s)
- Haining Li
- General Hospital of Ningxia Medical University, China
| | | | - Dan Liu
- General Hospital of Ningxia Medical University, China
| | | | | | | | - Yan Li
- General Hospital of Ningxia Medical University, China
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Xie J, Jiang J, Guo Q. Primary Coenzyme Q10 Deficiency-7 and Pathogenic COQ4 Variants: Clinical Presentation, Biochemical Analyses, and Treatment. Front Genet 2022; 12:776807. [PMID: 35154243 PMCID: PMC8826242 DOI: 10.3389/fgene.2021.776807] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 12/14/2021] [Indexed: 11/13/2022] Open
Abstract
Primary Coenzyme Q10 Deficiency-7 (COQ10D7) is a rare mitochondrial disorder caused by pathogenic COQ4 variants. In this review, we discuss the correlation of COQ4 genotypes, particularly the East Asian-specific c.370G > A variant, with the clinical presentations and therapeutic effectiveness of coenzyme Q10 supplementation from an exon-dependent perspective. Pathogenic COQ4 variants in exons 1–4 are associated with less life-threating presentations, late onset, responsiveness to CoQ10 therapy, and a relatively long lifespan. In contrast, pathogenic COQ4 variants in exons 5–7 are associated with early onset, unresponsiveness to CoQ10 therapy, and early death and are more fatal. Patients with the East Asian-specific c.370G > A variant displays intermediate disease severity with multi-systemic dysfunction, which is between that of the patients with variants in exons 1–4 and 5–7. The mechanism underlying this exon-dependent genotype-phenotype correlation may be associated with the structure and function of COQ4. Sex is shown unlikely to be associated with disease severity. While point-of-care high-throughput sequencing would be useful for the rapid diagnosis of pathogenic COQ4 variants, whereas biochemical analyses of the characteristic impairments in CoQ10 biosynthesis and mitochondrial respiratory chain activity, as well as the phenotypic rescue of the CoQ10 treatment, are necessary to confirm the pathogenicity of suspicious variants. In addition to CoQ10 derivatives, targeted drugs and gene therapy could be useful treatments for COQ10D7 depending on the in-depth functional investigations and the development of gene editing technologies. This review provides a fundamental reference for the sub-classification of COQ10D7 and aim to advance our knowledge of the pathogenesis, clinical diagnosis, and prognosis of this disease and possible interventions.
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Affiliation(s)
- Jieqiong Xie
- United Diagnostic and Research Center for Clinical Genetics, Women and Children's Hospital, School of Medicine and School of Public Health, Xiamen University, Xiamen, China
| | - Jiayang Jiang
- United Diagnostic and Research Center for Clinical Genetics, Women and Children's Hospital, School of Medicine and School of Public Health, Xiamen University, Xiamen, China.,School of Medicine, Huaqiao University, Quanzhou, China
| | - Qiwei Guo
- United Diagnostic and Research Center for Clinical Genetics, Women and Children's Hospital, School of Medicine and School of Public Health, Xiamen University, Xiamen, China
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Turton N, Heaton RA, Hargreaves IP. COVID-19 and the Assessment of Coenzyme Q10. Methods Mol Biol 2022; 2511:355-365. [PMID: 35838974 DOI: 10.1007/978-1-0716-2395-4_27] [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] [Indexed: 06/15/2023]
Abstract
Coenzyme Q10 (CoQ10) plays an essential electron carrier role in the mitochondrial electron transfer chain (ETC) as well as being a potent antioxidant and influencing inflammatory mediators. In view of these functions, the reason why certain individuals may be more susceptible to the severe disease or long-term complications (long COVID) of COVID-19 infection may be associated with an underlying deficit in cellular CoQ10 status. Thus, our group has outlined an analytical method for the determination of cellular CoQ10 status using HPLC linked UV detection at 275 nm. This method has been utilized in patient tissue samples to investigate evidence of a CoQ10 deficiency and thus may have potential in determining the possible susceptibility of individuals to severe disease associated with COVID-19 infection or to long COVID.
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Affiliation(s)
- Nadia Turton
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool, UK
| | - Robert A Heaton
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool, UK
| | - Iain P Hargreaves
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool, UK.
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28
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Coenzyme Q at the Hinge of Health and Metabolic Diseases. Antioxidants (Basel) 2021; 10:antiox10111785. [PMID: 34829656 PMCID: PMC8615162 DOI: 10.3390/antiox10111785] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 10/28/2021] [Accepted: 11/04/2021] [Indexed: 12/13/2022] Open
Abstract
Coenzyme Q is a unique lipidic molecule highly conserved in evolution and essential to maintaining aerobic metabolism. It is endogenously synthesized in all cells by a very complex pathway involving a group of nuclear genes that share high homology among species. This pathway is tightly regulated at transcription and translation, but also by environment and energy requirements. Here, we review how coenzyme Q reacts within mitochondria to promote ATP synthesis and also integrates a plethora of metabolic pathways and regulates mitochondrial oxidative stress. Coenzyme Q is also located in all cellular membranes and plasma lipoproteins in which it exerts antioxidant function, and its reaction with different extramitochondrial oxidoreductases contributes to regulate the cellular redox homeostasis and cytosolic oxidative stress, providing a key factor in controlling various apoptosis mechanisms. Coenzyme Q levels can be decreased in humans by defects in the biosynthesis pathway or by mitochondrial or cytosolic dysfunctions, leading to a highly heterogeneous group of mitochondrial diseases included in the coenzyme Q deficiency syndrome. We also review the importance of coenzyme Q levels and its reactions involved in aging and age-associated metabolic disorders, and how the strategy of its supplementation has had benefits for combating these diseases and for physical performance in aging.
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Primary coenzyme Q10 nephropathy, a potentially treatable form of steroid-resistant nephrotic syndrome. Pediatr Nephrol 2021; 36:3515-3527. [PMID: 33479824 PMCID: PMC8295399 DOI: 10.1007/s00467-020-04914-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 11/28/2020] [Accepted: 12/31/2020] [Indexed: 12/18/2022]
Abstract
Steroid-resistant nephrotic syndrome (SRNS) is a genetically heterogeneous kidney disease that is the second most frequent cause of kidney failure in the first 2 decades of life. Despite the identification of mutations in more than 39 genes as causing SRNS, and the localization of its pathogenesis to glomerular podocytes, the disease mechanisms of SRNS remain poorly understood and no universally safe and effective therapy exists to treat patients with this condition. Recently, genetic research has identified a subgroup of SRNS patients whose kidney pathology is caused by primary coenzyme Q10 (CoQ10) deficiency due to recessive mutations in genes that encode proteins in the CoQ10 biosynthesis pathway. Clinical and preclinical studies show that primary CoQ10 deficiency may be responsive to treatment with CoQ10 supplements bypassing the biosynthesis defects. Coenzyme Q10 is an essential component of the mitochondrial respiratory chain, where it transports electrons from complexes I and II to complex III. Studies in yeast and mammalian model systems have recently identified the molecular functions of the individual CoQ10 biosynthesis complex proteins, validated these findings, and provided an impetus for developing therapeutic compounds to replenish CoQ10 levels in the tissues/organs and thus prevent the destruction of tissues due to mitochondrial OXPHOS deficiencies. In this review, we will summarize the clinical findings of the kidney pathophysiology of primary CoQ10 deficiencies and discuss recent advances in the development of therapies to counter CoQ10 deficiency in tissues.
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30
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Turton N, Bowers N, Khajeh S, Hargreaves IP, Heaton RA. Coenzyme Q10 and the exclusive club of diseases that show a limited response to treatment. Expert Opin Orphan Drugs 2021. [DOI: 10.1080/21678707.2021.1932459] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Nadia Turton
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool UK
| | - Nathan Bowers
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool UK
| | - Sam Khajeh
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool UK
| | - Iain P Hargreaves
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool UK
| | - Robert A Heaton
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool UK
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Hage R, Vignal-Clermont C. Leber Hereditary Optic Neuropathy: Review of Treatment and Management. Front Neurol 2021; 12:651639. [PMID: 34122299 PMCID: PMC8187781 DOI: 10.3389/fneur.2021.651639] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 04/06/2021] [Indexed: 01/16/2023] Open
Abstract
Leber hereditary optic neuropathy (LHON) is a maternally inherited mitochondrial disease that specifically targets the retinal ganglion cells by reducing their ability to produce enough energy to sustain. The mutations of the mitochondrial DNA that cause LHON are silent until an unknown trigger causes bilateral central visual scotoma. After the onset of loss of vision, most patients experience progressive worsening within the following months. Few of them regain some vision after a period of ~1 year. Management of LHON patients has been focused on understanding the triggers of the disease and its pathophysiology to prevent the onset of visual loss in a carrier. Medical treatment is recommended once visual loss has started in at least one eye. Research evaluated drugs that are thought to be able to restore the mitochondrial electron transport chain of the retinal ganglion cells. Significant advances were made in evaluating free radical cell scavengers and gene therapy as potential treatments for LHON. Although encouraging the results of clinical trial have been mixed in stopping the worsening of visual loss. In patients with chronic disease of over 1 year, efficient treatment that restores vision is yet to be discovered. In this review, we summarize the management strategies for patients with LHON before, during, and after the loss of vision, explain the rationale and effectiveness of previous and current treatments, and report findings about emerging treatments.
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Affiliation(s)
- Rabih Hage
- Neuro-ophthalmology Department, Hôpital Fondation Rothschild, Paris, France
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Heda R, Yazawa M, Shi M, Bhaskaran M, Aloor FZ, Thuluvath PJ, Satapathy SK. Non-alcoholic fatty liver and chronic kidney disease: Retrospect, introspect, and prospect. World J Gastroenterol 2021; 27:1864-1882. [PMID: 34007127 PMCID: PMC8108029 DOI: 10.3748/wjg.v27.i17.1864] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 03/07/2021] [Accepted: 04/07/2021] [Indexed: 02/06/2023] Open
Abstract
With the growing prevalence of obesity and diabetes in the United States and across the world, a rise in the overall incidence and prevalence of non-alcoholic fatty liver disease (NAFLD) is expected. The risk factors for NAFLD are also associated with the development of chronic kidney disease (CKD). We review the epidemiology, risk factors, genetics, implications of gut dysbiosis, and specific pathogenic mechanisms linking NAFLD to CKD. Mechanisms such as ectopic lipid accumulation, cellular signaling abnormalities, and the interplay between fructose consumption and uric acid accumulation have led to the emergence of potential therapeutic implications for this patient population. Transplant evaluation in the setting of both NAFLD and CKD is also reviewed. Potential strategies for surveillance and management include the monitoring of comorbidities, the use of non-invasive fibrosis scoring systems, and the measurement of laboratory markers. Lastly, we discuss the management of patients with NAFLD and CKD, from preventative measures to experimental interventions.
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Affiliation(s)
- Rajiv Heda
- Department of Internal Medicine, Tulane University School of Medicine, New Orleans, LA 70112, United States
| | - Masahiko Yazawa
- Department of Nephrology and Hypertension, St. Marianna University School of Medicine, Kawasaki 216-8511, Japan
| | - Michelle Shi
- Department of Internal Medicine, Donald and Barbara Zucker School of Medicine, Northwell Health, Manhasset, NY 11030, United States
| | - Madhu Bhaskaran
- Department of Nephrology, Northwell Health/Zucker School of Medicine at Hosftra, Manhasset, NY 11030, United States
| | - Fuad Zain Aloor
- Department of Internal Medicine, Baylor College of Medicine, Houston, TX 77030, United States
| | - Paul J Thuluvath
- Institute of Digestive Health & Liver Diseases, Mercy Medical Center, Baltimore, MD 21202, United States
| | - Sanjaya K Satapathy
- Department of Internal Medicine, Donald and Barbara Zucker School of Medicine, Northwell Health, Manhasset, NY 11030, United States
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Coenzyme Q10 in Mitochondrial and Lysosomal Disorders. J Clin Med 2021; 10:jcm10091970. [PMID: 34064329 PMCID: PMC8125004 DOI: 10.3390/jcm10091970] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Accepted: 04/28/2021] [Indexed: 12/14/2022] Open
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Onaolapo OJ, Omotoso SA, Olofinnade AT, Onaolapo AY. Anti-inflammatory, anti-oxidant and anti-lipaemic effects of daily dietary coenzyme-Q10 supplement in a mouse model of metabolic syndrome. Antiinflamm Antiallergy Agents Med Chem 2021; 20:380-388. [PMID: 33906592 DOI: 10.2174/1871523020666210427111328] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 03/16/2021] [Accepted: 03/29/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND The dietary model of metabolic syndrome has continued to aid our understanding of its pathogenesis and possible management interventions. However, despite progress in research, therapy continues to be challenging in humans; hence, the search for newer treatment and prevention options. OBJECTIVE To evaluate the impact of dietary CQ10 supplementation on metabolic, oxidative and inflammatory markers in a diet-induced mouse model of metabolic syndrome. METHODS Mouse groups were fed standard diet (SD), high-fat high-sugar (HFHS) diet, and SD or HFHS diet (with incorporated CQ10) at 60 and 120 mg/kg of feed respectively. At the completion of the study (8 weeks), blood glucose levels, superoxide dismutase (SOD) activity, plasma insulin, leptin, adiponectin, TNF-α, IL-10, serum lipid profile, and lipid peroxidation (LPO) levels were assessed. The liver was either homogenised for the assessment of antioxidant status or processed for general histology. RESULTS Dietary CQ10 mitigated HFHS diet-induced weight gain, decreased glucose, insulin and leptin levels; and increased adiponectin levels in mice. Coenzyme-Q10 improved the antioxidant status of the liver and blood in HFHS diet fed mice, while also decreasing lipid peroxidation. Lipid profile improved, level of TNF-α decreased and IL-10 increased following CQ10 diet. A mitigation of HFHS diet-induced alteration in liver morphology was also observed with CQ10. CONCLUSION Dietary CQ10 supplementation mitigates HFHS diet-induced changes in mice possibly through its anti-oxidant, anti-lipaemic and anti-inflammatory potential.
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Affiliation(s)
- Olakunle J Onaolapo
- Behavioural Neuroscience/Neuropharmacology Unit, Department of Pharmacology, Ladoke Akintola University of Technology, Ogbomosho, Oyo State. Nigeria
| | - Sarafa A Omotoso
- Behavioural Neuroscience/Neuropharmacology Unit, Department of Pharmacology, Ladoke Akintola University of Technology, Ogbomosho, Oyo State. Nigeria
| | - Anthony T Olofinnade
- Behavioural Neuroscience/Neuropharmacology Unit, Department of Pharmacology, Ladoke Akintola University of Technology, Ogbomosho, Oyo State. Nigeria
| | - Adejoke Y Onaolapo
- Behavioural Neuroscience/Neurobiology Unit, Department of Anatomy, Ladoke Akintola University of Technology, Ogbomosho, Oyo State. Nigeria
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Ullah H, Di Minno A, Santarcangelo C, Khan H, Daglia M. Improvement of Oxidative Stress and Mitochondrial Dysfunction by β-Caryophyllene: A Focus on the Nervous System. Antioxidants (Basel) 2021; 10:antiox10040546. [PMID: 33915950 PMCID: PMC8066981 DOI: 10.3390/antiox10040546] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 03/19/2021] [Accepted: 03/28/2021] [Indexed: 02/05/2023] Open
Abstract
Mitochondrial dysfunction results in a series of defective cellular events, including decreased adenosine triphosphate (ATP) production, enhanced reactive oxygen species (ROS) output, and altered proteastasis and cellular quality control. An enhanced output of ROS may damage mitochondrial components, such as mitochondrial DNA and elements of the electron transport chain, resulting in the loss of proper electrochemical gradient across the mitochondrial inner membrane and an ensuing shutdown of mitochondrial energy production. Neurons have an increased demand for ATP and oxygen, and thus are more prone to damage induced by mitochondrial dysfunction. Mitochondrial dysfunction, damaged electron transport chains, altered membrane permeability and Ca2+ homeostasis, and impaired mitochondrial defense systems induced by oxidative stress, are pathological changes involved in neurodegenerative disorders. A growing body of evidence suggests that the use of antioxidants could stabilize mitochondria and thus may be suitable for preventing neuronal loss. Numerous natural products exhibit the potential to counter oxidative stress and mitochondrial dysfunction; however, science is still looking for a breakthrough in the treatment of neurodegenerative disorders. β-caryophyllene is a bicyclic sesquiterpene, and an active principle of essential oils derived from a large number of spices and food plants. As a selective cannabinoid receptor 2 (CB2) agonist, several studies have reported it as possessing numerous pharmacological activities such as antibacterial (e.g., Helicobacter pylori), antioxidant, anti-inflammatory, analgesic (e.g., neuropathic pain), anti-neurodegenerative and anticancer properties. The present review mainly focuses on the potential of β-caryophyllene in reducing oxidative stress and mitochondrial dysfunction, and its possible links with neuroprotection.
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Affiliation(s)
- Hammad Ullah
- Department of Pharmacy, University of Naples Federico II, 80131 Naples, Italy; (H.U.); (A.D.M.); (C.S.)
| | - Alessandro Di Minno
- Department of Pharmacy, University of Naples Federico II, 80131 Naples, Italy; (H.U.); (A.D.M.); (C.S.)
- CEINGE-Biotecnologie Avanzate, 80131 Naples, Italy
| | - Cristina Santarcangelo
- Department of Pharmacy, University of Naples Federico II, 80131 Naples, Italy; (H.U.); (A.D.M.); (C.S.)
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University, Mardan 23200, Pakistan; or
| | - Maria Daglia
- Department of Pharmacy, University of Naples Federico II, 80131 Naples, Italy; (H.U.); (A.D.M.); (C.S.)
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang 212013, China
- Correspondence:
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Abstract
COPD represents a major cause of mortality and morbidity worldwide, is linked to systemic inflammation and tends to coexist with a variety of comorbidities. Inflammation, oxidative stress and protease-antiprotease imbalance represent the pathogenic triad of COPD. Even though oxidative stress and mitochondrial dysfunction is a well-studied phenomenon in COPD and there is a variety of studies that aim to counteract its effect, there is limited data available on the use of coenzyme Q10 in COPD. The aim of the current review is to analyze the current data on the use of coenzyme Q10 in the management of COPD and frequently encountered comorbidities.
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Affiliation(s)
- V I Zozina
- Department of Clinical Pharmacology and Propaedeutics of Internal Diseases, Federal State Autonomous Educational Institution of Higher Education I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation, Moscow, Russian Federation
| | - S Covantev
- Russian Medical Academy of Continuous Professional Education, Moscow, Russian Federation
| | - V G Kukes
- Department of Clinical Pharmacology and Propaedeutics of Internal Diseases, Federal State Autonomous Educational Institution of Higher Education I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation, Moscow, Russian Federation
| | - A Corlateanu
- Department of Respiratory Medicine, State University of Medicine and Pharmacy N. Testemitanu, Chisinau, Republic of Moldova
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Koňaříková E, Marković A, Korandová Z, Houštěk J, Mráček T. Current progress in the therapeutic options for mitochondrial disorders. Physiol Res 2020; 69:967-994. [PMID: 33129249 PMCID: PMC8549882 DOI: 10.33549/physiolres.934529] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Accepted: 10/02/2020] [Indexed: 12/20/2022] Open
Abstract
Mitochondrial disorders manifest enormous genetic and clinical heterogeneity - they can appear at any age, present with various phenotypes affecting any organ, and display any mode of inheritance. What mitochondrial diseases do have in common, is impairment of respiratory chain activity, which is responsible for more than 90% of energy production within cells. While diagnostics of mitochondrial disorders has been accelerated by introducing Next-Generation Sequencing techniques in recent years, the treatment options are still very limited. For many patients only a supportive or symptomatic therapy is available at the moment. However, decades of basic and preclinical research have uncovered potential target points and numerous compounds or interventions are now subjects of clinical trials. In this review, we focus on current and emerging therapeutic approaches towards the treatment of mitochondrial disorders. We focus on small compounds, metabolic interference, such as endurance training or ketogenic diet and also on genomic approaches.
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Affiliation(s)
- E Koňaříková
- Laboratory of Bioenergetics, Institute of Physiology Czech Acad. Sci., Prague, Czech Republic. ,
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38
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Turton N, Rutherford T, Thijssen D, Hargreaves IP. Putative adjunct therapies to target mitochondrial dysfunction and oxidative stress in phenylketonuria, lysosomal storage disorders and peroxisomal disorders. Expert Opin Orphan Drugs 2020. [DOI: 10.1080/21678707.2020.1850254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/06/2022]
Affiliation(s)
- Nadia Turton
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool, UK
| | - Tricia Rutherford
- Department of research and development, Vitaflo International Ltd, Liverpool, UK
| | - Dick Thijssen
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool, UK
| | - Iain P Hargreaves
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool, UK
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39
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González-García P, Hidalgo-Gutiérrez A, Mascaraque C, Barriocanal-Casado E, Bakkali M, Ziosi M, Abdihankyzy UB, Sánchez-Hernández S, Escames G, Prokisch H, Martín F, Quinzii CM, López LC. Coenzyme Q10 modulates sulfide metabolism and links the mitochondrial respiratory chain to pathways associated to one carbon metabolism. Hum Mol Genet 2020; 29:3296-3311. [PMID: 32975579 PMCID: PMC7724311 DOI: 10.1093/hmg/ddaa214] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 09/03/2020] [Accepted: 09/23/2020] [Indexed: 01/14/2023] Open
Abstract
Abnormalities of one carbon, glutathione and sulfide metabolisms have recently emerged as novel pathomechanisms in diseases with mitochondrial dysfunction. However, the mechanisms underlying these abnormalities are not clear. Also, we recently showed that sulfide oxidation is impaired in Coenzyme Q10 (CoQ10) deficiency. This finding leads us to hypothesize that the therapeutic effects of CoQ10, frequently administered to patients with primary or secondary mitochondrial dysfunction, might be due to its function as cofactor for sulfide:quinone oxidoreductase (SQOR), the first enzyme in the sulfide oxidation pathway. Here, using biased and unbiased approaches, we show that supraphysiological levels of CoQ10 induces an increase in the expression of SQOR in skin fibroblasts from control subjects and patients with mutations in Complex I subunits genes or CoQ biosynthetic genes. This increase of SQOR induces the downregulation of the cystathionine β-synthase and cystathionine γ-lyase, two enzymes of the transsulfuration pathway, the subsequent downregulation of serine biosynthesis and the adaptation of other sulfide linked pathways, such as folate cycle, nucleotides metabolism and glutathione system. These metabolic changes are independent of the presence of sulfur aminoacids, are confirmed in mouse models, and are recapitulated by overexpression of SQOR, further proving that the metabolic effects of CoQ10 supplementation are mediated by the overexpression of SQOR. Our results contribute to a better understanding of how sulfide metabolism is integrated in one carbon metabolism and may explain some of the benefits of CoQ10 supplementation observed in mitochondrial diseases.
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Affiliation(s)
- Pilar González-García
- Instituto de Biotecnología, Centro de Investigación Biomédica, Universidad de Granada, Granada 18016, Spain
- Departamento de Fisiología, Facultad de Medicina, Universidad de Granada, Granada 18016, Spain
| | - Agustín Hidalgo-Gutiérrez
- Instituto de Biotecnología, Centro de Investigación Biomédica, Universidad de Granada, Granada 18016, Spain
- Departamento de Fisiología, Facultad de Medicina, Universidad de Granada, Granada 18016, Spain
| | - Cristina Mascaraque
- Departamento de Fisiología, Facultad de Medicina, Universidad de Granada, Granada 18016, Spain
| | - Eliana Barriocanal-Casado
- Instituto de Biotecnología, Centro de Investigación Biomédica, Universidad de Granada, Granada 18016, Spain
- Departamento de Fisiología, Facultad de Medicina, Universidad de Granada, Granada 18016, Spain
| | - Mohammed Bakkali
- Departamento de Genética, Facultad de Ciencias, Universidad de Granada, Granada 18071, Spain
| | - Marcello Ziosi
- Department of Neurology, Columbia University Medical Center, New York 10032, NY, USA
| | | | | | - Germaine Escames
- Instituto de Biotecnología, Centro de Investigación Biomédica, Universidad de Granada, Granada 18016, Spain
- Departamento de Fisiología, Facultad de Medicina, Universidad de Granada, Granada 18016, Spain
| | - Holger Prokisch
- Institute of Human Genetics, Technische Universität München, München 81675, Germany
| | - Francisco Martín
- Genomic Medicine Department, Centre for Genomics and Oncological Research, Granada 18007, Spain
| | - Catarina M Quinzii
- Department of Neurology, Columbia University Medical Center, New York 10032, NY, USA
| | - Luis C López
- Instituto de Biotecnología, Centro de Investigación Biomédica, Universidad de Granada, Granada 18016, Spain
- Departamento de Fisiología, Facultad de Medicina, Universidad de Granada, Granada 18016, Spain
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40
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Kee PS, Chin PKL, Kennedy MA, Maggo SDS. Pharmacogenetics of Statin-Induced Myotoxicity. Front Genet 2020; 11:575678. [PMID: 33193687 PMCID: PMC7596698 DOI: 10.3389/fgene.2020.575678] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 08/26/2020] [Indexed: 12/15/2022] Open
Abstract
Statins, a class of lipid-lowering medications, have been a keystone treatment in cardiovascular health. However, adverse effects associated with statin use impact patient adherence, leading to statin discontinuation. Statin-induced myotoxicity (SIM) is one of the most common adverse effects, prevalent across all ages, genders, and ethnicities. Although certain demographic cohorts carry a higher risk, the impaired quality of life attributed to SIM is significant. The pathogenesis of SIM remains to be fully elucidated, but it is clear that SIM is multifactorial. These factors include drug-drug interactions, renal or liver dysfunction, and genetics. Genetic-inferred risk for SIM was first reported by a landmark genome-wide association study, which reported a higher risk of SIM with a polymorphism in the SLCO1B1 gene. Since then, research associating genetic factors with SIM has expanded widely and has become one of the foci in the field of pharmacogenomics. This review provides an update on the genetic risk factors associated with SIM.
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Affiliation(s)
- Ping Siu Kee
- Gene Structure and Function Laboratory, Carney Centre for Pharmacogenomics, Department of Pathology and Biomedical Science, University of Otago, Christchurch, New Zealand
| | | | - Martin A. Kennedy
- Gene Structure and Function Laboratory, Carney Centre for Pharmacogenomics, Department of Pathology and Biomedical Science, University of Otago, Christchurch, New Zealand
| | - Simran D. S. Maggo
- Gene Structure and Function Laboratory, Carney Centre for Pharmacogenomics, Department of Pathology and Biomedical Science, University of Otago, Christchurch, New Zealand
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41
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Yamada Y, Hibino M, Sasaki D, Abe J, Harashima H. Power of mitochondrial drug delivery systems to produce innovative nanomedicines. Adv Drug Deliv Rev 2020; 154-155:187-209. [PMID: 32987095 DOI: 10.1016/j.addr.2020.09.010] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 09/22/2020] [Accepted: 09/22/2020] [Indexed: 12/22/2022]
Abstract
Mitochondria carry out various essential functions including ATP production, the regulation of apoptosis and possess their own genome (mtDNA). Delivering target molecules to this organelle, it would make it possible to control the functions of cells and living organisms and would allow us to develop a better understanding of life. Given the fact that mitochondrial dysfunction has been implicated in a variety of human disorders, delivering therapeutic molecules to mitochondria for the treatment of these diseases is an important issue. To date, several mitochondrial drug delivery system (DDS) developments have been reported, but a generalized DDS leading to therapy that exclusively targets mitochondria has not been established. This review focuses on mitochondria-targeted therapeutic strategies including antioxidant therapy, cancer therapy, mitochondrial gene therapy and cell transplantation therapy based on mitochondrial DDS. A particular focus is on nanocarriers for mitochondrial delivery with the goal of achieving mitochondria-targeting therapy. We hope that this review will stimulate the accelerated development of mitochondrial DDS.
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Affiliation(s)
- Yuma Yamada
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan; Laboratory for Biological Drug Development Based on DDS Technology, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan.
| | - Mitsue Hibino
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
| | - Daisuke Sasaki
- Department of Pediatrics, Graduate School of Medicine, Hokkaido University, Kita-15, Nishi 7, Kita-ku, Sapporo 060-8638, Japan
| | - Jiro Abe
- Department of Pediatrics, Graduate School of Medicine, Hokkaido University, Kita-15, Nishi 7, Kita-ku, Sapporo 060-8638, Japan
| | - Hideyoshi Harashima
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan; Laboratory for Biological Drug Development Based on DDS Technology, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
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42
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Disorders of Human Coenzyme Q10 Metabolism: An Overview. Int J Mol Sci 2020; 21:ijms21186695. [PMID: 32933108 PMCID: PMC7555759 DOI: 10.3390/ijms21186695] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 09/08/2020] [Accepted: 09/11/2020] [Indexed: 12/11/2022] Open
Abstract
Coenzyme Q10 (CoQ10) has a number of vital functions in all cells, both mitochondrial and extramitochondrial. In addition to its key role in mitochondrial oxidative phosphorylation, CoQ10 serves as a lipid soluble antioxidant, plays an important role in fatty acid, pyrimidine and lysosomal metabolism, as well as directly mediating the expression of a number of genes, including those involved in inflammation. In view of the central role of CoQ10 in cellular metabolism, it is unsurprising that a CoQ10 deficiency is linked to the pathogenesis of a range of disorders. CoQ10 deficiency is broadly classified into primary or secondary deficiencies. Primary deficiencies result from genetic defects in the multi-step biochemical pathway of CoQ10 synthesis, whereas secondary deficiencies can occur as result of other diseases or certain pharmacotherapies. In this article we have reviewed the clinical consequences of primary and secondary CoQ10 deficiencies, as well as providing some examples of the successful use of CoQ10 supplementation in the treatment of disease.
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43
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Abstract
This review focuses on recent progress in understanding the role of mitochondrial markers in the context of mitochondrial dysfunction in glaucoma and discussing new therapeutic approaches to modulate mitochondrial function and potentially lead to improved outcomes in glaucoma.
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44
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Wang Y, Hekimi S. Micellization of coenzyme Q by the fungicide caspofungin allows for safe intravenous administration to reach extreme supraphysiological concentrations. Redox Biol 2020; 36:101680. [PMID: 32810741 PMCID: PMC7451649 DOI: 10.1016/j.redox.2020.101680] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 08/03/2020] [Accepted: 08/04/2020] [Indexed: 12/15/2022] Open
Abstract
Coenzyme Q10 (CoQ10; also known as ubiquinone) is a vital, redox-active membrane component that functions as obligate electron transporter in the mitochondrial respiratory chain, as cofactor in other enzymatic processes and as antioxidant. CoQ10 supplementation has been widely investigated for treating a variety of acute and chronic conditions in which mitochondrial function or oxidative stress play a role. In addition, it is used as replacement therapy in patients with CoQ deficiency including inborn primary CoQ10 deficiency due to mutations in CoQ10-biosynthetic genes as well as secondary CoQ10 deficiency, which is frequently observed in patients with mitochondrial disease syndrome and in other conditions. However, despite many tests and some promising results, whether CoQ10 treatment is beneficial in any indication has remained inconclusive. Because CoQ10 is highly insoluble, it is only available in oral formulations, despite its very poor oral bioavailability. Using a novel model of CoQ-deficient cells, we screened a library of FDA-approved drugs for an activity that could increase the uptake of exogenous CoQ10 by the cell. We identified the fungicide caspofungin as capable of increasing the aqueous solubility of CoQ10 by several orders of magnitude. Caspofungin is a mild surfactant that solubilizes CoQ10 by forming nano-micelles with unique properties favoring stability and cellular uptake. Intravenous administration of the formulation in mice achieves unprecedented increases in CoQ10 plasma levels and in tissue uptake, with no observable toxicity. As it contains only two safe components (caspofungin and CoQ10), this injectable formulation presents a high potential for clinical safety and efficacy. Coenzyme Q10 (CoQ10) can be solubilized by the antifungal drug caspofungin (CF). CF is a mild surfactant and solubilizes CoQ10 in water by forming micellar structures with a high CoQ10 content. CF/CoQ10 micelles have unique properties favoring rapid and efficient uptake into cells and mitochondria. CF/CoQ10 micelles can be intravenously administrated without signs of toxicity. Intravenous administration of CF/CoQ10 in mice achieves unprecedented elevation of CoQ10 plasma levels and tissue uptake.
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Affiliation(s)
- Ying Wang
- Department of Biology, McGill University, Montreal, Quebec, Canada
| | - Siegfried Hekimi
- Department of Biology, McGill University, Montreal, Quebec, Canada.
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45
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Cotta A, Alston CL, Baptista‐Junior S, Paim JF, Carvalho E, Navarro MM, Appleton M, Ng YS, Valicek J, da‐Cunha‐Junior AL, Lima MI, de la Rocque Ferreira A, Takata RI, Hargreaves IP, Gorman GS, McFarland R, Pierre G, Taylor RW. Early-onset coenzyme Q10 deficiency associated with ataxia and respiratory chain dysfunction due to novel pathogenic COQ8A variants, including a large intragenic deletion. JIMD Rep 2020; 54:45-53. [PMID: 32685350 PMCID: PMC7358671 DOI: 10.1002/jmd2.12107] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 01/25/2020] [Accepted: 02/11/2020] [Indexed: 11/13/2022] Open
Abstract
Coenzyme Q10 (CoQ10) deficiency is a clinically and genetically heterogeneous subtype of mitochondrial disease. We report two girls with ataxia and mitochondrial respiratory chain deficiency who were shown to have primary CoQ10 deficiency. Muscle histochemistry displayed signs of mitochondrial dysfunction-ragged red fibers, mitochondrial paracrystalline inclusions, and lipid deposits while biochemical analyses revealed complex II+III respiratory chain deficiencies. MRI brain demonstrated cerebral and cerebellar atrophy. Targeted molecular analysis identified a homozygous c.1015G>A, p.(Ala339Thr) COQ8A variant in subject 1, while subject 2 was found to harbor a single heterozygous c.1029_1030delinsCA variant predicting a p.Gln343_Val344delinsHisMet amino acid substitution. Subsequent investigations identified a large-scale COQ8A deletion in trans to the c.1029_1030delinsCA allele. A skin biopsy facilitated cDNA studies that confirmed exon skipping in the fibroblast derived COQ8A mRNA transcript. This report expands the molecular genetic spectrum associated with COQ8A-related mitochondrial disease and highlights the importance of thorough investigation of candidate pathogenic variants to establish phase. Rapid diagnosis is of the utmost importance as patients may benefit from therapeutic CoQ10 supplementation.
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Affiliation(s)
- Ana Cotta
- Department of PathologySARAH Network of Rehabilitation HospitalsBelo HorizonteBrazil
| | - Charlotte L. Alston
- Wellcome Centre for Mitochondrial ResearchTranslational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle UniversityNewcastle upon TyneUK
- NHS Highly Specialised Services for Rare Mitochondrial Disorders, Royal Victoria InfirmaryNewcastle upon Tyne Hospitals NHS Foundation TrustNewcastle upon TyneUK
| | | | - Julia F. Paim
- Department of PathologySARAH Network of Rehabilitation HospitalsBelo HorizonteBrazil
| | - Elmano Carvalho
- Department of NeurophysiologySARAH Network of Rehabilitation HospitalsBelo HorizonteBrazil
| | - Monica M. Navarro
- Department of Pediatrics and GeneticsSARAH Network of Rehabilitation HospitalsBelo HorizonteBrazil
| | - Marie Appleton
- Clinical Biochemistry, Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation TrustNewcastle upon TyneUK
| | - Yi Shiau Ng
- Wellcome Centre for Mitochondrial ResearchTranslational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle UniversityNewcastle upon TyneUK
- NHS Highly Specialised Services for Rare Mitochondrial Disorders, Royal Victoria InfirmaryNewcastle upon Tyne Hospitals NHS Foundation TrustNewcastle upon TyneUK
| | - Jaquelin Valicek
- Department of NeurophysiologySARAH Network of Rehabilitation HospitalsBelo HorizonteBrazil
| | | | - Maria I. Lima
- Department of Electron MicroscopySARAH Network of Rehabilitation HospitalsBrasíliaBrazil
| | | | - Reinaldo I. Takata
- Department of Molecular BiologySARAH Network of Rehabilitation HospitalsBrasíliaBrazil
| | - Iain P. Hargreaves
- Neurometabolic UnitNational Hospital for Neurology and NeurosurgeryLondonUK
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores UniversityLiverpoolUK
| | - Gráinne S. Gorman
- Wellcome Centre for Mitochondrial ResearchTranslational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle UniversityNewcastle upon TyneUK
- NHS Highly Specialised Services for Rare Mitochondrial Disorders, Royal Victoria InfirmaryNewcastle upon Tyne Hospitals NHS Foundation TrustNewcastle upon TyneUK
| | - Robert McFarland
- Wellcome Centre for Mitochondrial ResearchTranslational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle UniversityNewcastle upon TyneUK
- NHS Highly Specialised Services for Rare Mitochondrial Disorders, Royal Victoria InfirmaryNewcastle upon Tyne Hospitals NHS Foundation TrustNewcastle upon TyneUK
| | - Germaine Pierre
- South West Regional Metabolic DepartmentBristol Royal Hospital for ChildrenBristolUK
| | - Robert W. Taylor
- Wellcome Centre for Mitochondrial ResearchTranslational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle UniversityNewcastle upon TyneUK
- NHS Highly Specialised Services for Rare Mitochondrial Disorders, Royal Victoria InfirmaryNewcastle upon Tyne Hospitals NHS Foundation TrustNewcastle upon TyneUK
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46
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Heaton RA, Heales S, Rahman K, Sexton DW, Hargreaves I. The Effect of Cellular Coenzyme Q 10 Deficiency on Lysosomal Acidification. J Clin Med 2020; 9:jcm9061923. [PMID: 32575494 PMCID: PMC7355799 DOI: 10.3390/jcm9061923] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 06/12/2020] [Accepted: 06/16/2020] [Indexed: 12/21/2022] Open
Abstract
Coenzyme Q10 (CoQ10) deficiency currently represents the only treatable mitochondrial disorder, however, little is known about how it may affect other organelles. The lysosome has been found to have a large concentration of CoQ10 localised at its membrane; additionally, it has been suggested that it plays a role in the normal acidification of the lysosomal lumen. As a result, in this study we assessed the effect of CoQ10 deficiency on lysosomal acidification. In order to investigate this, a neuronal cell model of CoQ10 deficiency was established via the treatment of SH-SY5Y cells with para-aminobenzoic acid (PABA). This method works through the competitive inhibition of the CoQ10 biosynthetic pathway enzyme, CoQ2. A single 1 mM (5 days) treatment with PABA resulted in a decrease of up to 58% in cellular CoQ10 (p < 0.05). It was found that this resulted in a significant decrease in fluorescence of both the LysoSensor (23%) and LysoTracker (35%) probes used to measure lysosomal pH (p < 0.05). It was found that subsequent treatment with CoQ10 (5 µM, 3 days) was able to restore cellular CoQ10 concentration (p < 0.005), which was associated with an increase in fluorescence from both probes to around 90% of controls (p < 0.05), suggesting a restoration of lysosomal pH. This study provides insights into the association between lysosomal pH and cellular CoQ10 status and the possibility that a deficit in the status of this isoprenoid may result in an impairment of lysosomal acidification.
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Affiliation(s)
- Robert A. Heaton
- School of Pharmacy, Liverpool John Moore University, Byrom Street, Liverpool L3 3AF, UK; (K.R.); (D.W.S.); (I.H.)
- Correspondence:
| | - Simon Heales
- Neurometabolic Unit, National Hospital, Queen Square, London WC1N 3BG, UK;
- Enzyme Unit, Chemical Pathology, NIHR BRC Great Ormond Street Hospital, Foundation Trust, London WC1N 3JH, UK
- NIHR BRC and UCL Great Ormond Street Institute of Child Health, London WC1N 1EH, UK
| | - Khalid Rahman
- School of Pharmacy, Liverpool John Moore University, Byrom Street, Liverpool L3 3AF, UK; (K.R.); (D.W.S.); (I.H.)
| | - Darren W. Sexton
- School of Pharmacy, Liverpool John Moore University, Byrom Street, Liverpool L3 3AF, UK; (K.R.); (D.W.S.); (I.H.)
| | - Iain Hargreaves
- School of Pharmacy, Liverpool John Moore University, Byrom Street, Liverpool L3 3AF, UK; (K.R.); (D.W.S.); (I.H.)
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47
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48
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Coenzyme Q 10 Assessment and the Establishment of a Neuronal Cell Model of CoQ 10 Deficiency. Methods Mol Biol 2020. [PMID: 32219756 DOI: 10.1007/978-1-0716-0471-7_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
Coenzyme Q10 (CoQ10) plays a key role as an electron carrier in the mitochondrial respiratory chain and as a cellular antioxidant molecule. A deficit in CoQ10 status may contribute to disease pathophysiology by causing a failure mitochondrial energy metabolism as well as compromising cellular antioxidant capacity. This chapter outlines the analytical methods used for determining cellular CoQ10 status using high-pressure liquid chromatography with ultraviolet (HPLC-UV) detection. In addition, we present a pharmacological procedure for establishing a human neuronal cell model of CoQ10 deficiency, for use in research studies.
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49
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Ibrahim Fouad G. Combination of Omega 3 and Coenzyme Q10 Exerts Neuroprotective Potential Against Hypercholesterolemia-Induced Alzheimer's-Like Disease in Rats. Neurochem Res 2020; 45:1142-1155. [PMID: 32124160 DOI: 10.1007/s11064-020-02996-2] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 02/15/2020] [Accepted: 02/20/2020] [Indexed: 12/13/2022]
Abstract
Alzheimer's disease (AD) is the most common form of dementia that progressively disrupts neurocognitive function, which has neither cure nor effective treatment. Hypercholesterolemia might be involved in brain alterations that could evolve into AD. The present study aims to evaluate the potential of omega-3, Co-enzyme Q10 (Co-Q10), as well as their combination in ameliorating hypercholesterolemia-initiated AD-like disease. We adapted a hypercholesterolemic (HC) rat model, a model of oxidative stress-mediated neurodegeneration, to study AD-like pathology. Hypercholesterolemia resulted in increased lipid peroxidation coupled with declined nitric oxide production, reduced glutathione levels, and decreased antioxidant activities of glutathione-s-transferase (GST) and glutathione peroxidase (GSH-Px) in the brain. Moreover, hypercholesterolemia resulted in decreased acetylcholine (ACh) levels and increased acetylcholine-esterase (AChE) activity, along with an increment of tumor necrosis factor and amyloid-β 42. Behaviorally, HC-rats demonstrated depressive-like behavior and declined memory. Treatment of HC-rats with omega-3 and Co-Q10 (alone or in combination) alleviated the brain oxidative stress and inflammation, regulated cholinergic functioning, and enhanced the functional outcome. These findings were verified by the histopathological investigation of brain tissues. This neuroprotective potential of omega-3 and Co-Q10 was achieved through anti-oxidative, anti-inflammatory, anti-amyloidogenic, pro-cholinergic, and memory-enhancing activities against HC-induced AD-like disease; suggesting that they may be useful as prophylactic and therapeutic agents against the neurotoxic effects of hypercholesterolemia.
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Affiliation(s)
- Ghadha Ibrahim Fouad
- Department of Therapeutic Chemistry, National Research Centre, 33 El-Bohouth St., Dokki, Cairo, 12622, Egypt.
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Schubert Baldo M, Vilarinho L. Molecular basis of Leigh syndrome: a current look. Orphanet J Rare Dis 2020; 15:31. [PMID: 31996241 PMCID: PMC6990539 DOI: 10.1186/s13023-020-1297-9] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Accepted: 01/05/2020] [Indexed: 01/15/2023] Open
Abstract
Leigh Syndrome (OMIM 256000) is a heterogeneous neurologic disorder due to damage in mitochondrial energy production that usually starts in early childhood. The first description given by Leigh pointed out neurological symptoms in children under 2 years and premature death. Following cases brought some hypothesis to explain the cause due to similarity to other neurological diseases and led to further investigation for metabolic diseases. Biochemical evaluation and specific metabolic profile suggested impairment in energy production (OXPHOS) in mitochondria. As direct approach to involved tissues is not always possible or safe, molecular analysis is a great cost-effective option and, besides biochemical results, is required to confirm the underlying cause of this syndrome face to clinical suspicion. The Next Generation Sequencing (NGS) advance represented a breakthrough in molecular biology allowing simultaneous gene analysis giving short-time results and increasing the variants underlying this syndrome, counting over 75 monogenic causes related so far. NGS provided confirmation of emerging cases and brought up diagnosis in atypical presentations as late-onset cases, which turned Leigh into a heterogeneous syndrome with variable outcomes. This review highlights clinical presentation in both classic and atypical phenotypes, the investigation pathway throughout confirmation emphasizing the underlying genetic heterogeneity and increasing number of genes assigned to this syndrome as well as available treatment.
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Affiliation(s)
- Manuela Schubert Baldo
- Newborn screening, metabolism and genetics unit - human genetics department, Instituto Nacional de Saúde Doutor Ricardo Jorge (INSA), Porto, Portugal.
| | - Laura Vilarinho
- Newborn screening, metabolism and genetics unit - human genetics department, Instituto Nacional de Saúde Doutor Ricardo Jorge (INSA), Porto, Portugal
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