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Almikhlafi MA, Karami MM, Jana A, Alqurashi TM, Majrashi M, Alghamdi BS, Ashraf GM. Mitochondrial Medicine: A Promising Therapeutic Option Against Various Neurodegenerative Disorders. Curr Neuropharmacol 2023; 21:1165-1183. [PMID: 36043795 PMCID: PMC10286591 DOI: 10.2174/1570159x20666220830112408] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 05/05/2022] [Accepted: 07/14/2022] [Indexed: 11/22/2022] Open
Abstract
Abnormal mitochondrial morphology and metabolic dysfunction have been observed in many neurodegenerative disorders (NDDs). Mitochondrial dysfunction can be caused by aberrant mitochondrial DNA, mutant nuclear proteins that interact with mitochondria directly or indirectly, or for unknown reasons. Since mitochondria play a significant role in neurodegeneration, mitochondriatargeted therapies represent a prosperous direction for the development of novel drug compounds that can be used to treat NDDs. This review gives a brief description of how mitochondrial abnormalities lead to various NDDs such as Alzheimer's disease, Parkinson's disease, Huntington's disease, and amyotrophic lateral sclerosis. We further explore the promising therapeutic effectiveness of mitochondria- directed antioxidants, MitoQ, MitoVitE, MitoPBN, and dimebon. We have also discussed the possibility of mitochondrial gene therapy as a therapeutic option for these NDDs.
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Affiliation(s)
- Mohannad A. Almikhlafi
- Department of Pharmacology and Toxicology, College of Pharmacy, Taibah University, Madinah, Saudi Arabia
| | - Mohammed M. Karami
- Department of Physiology, Neuroscience Unit, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ankit Jana
- School of Biotechnology, Kalinga Institute of Industrial Technology (KIIT) Deemed to be University, Campus-11, Patia, Bhubaneswar, Odisha, 751024, India
| | - Thamer M. Alqurashi
- Department of Pharmacology, Faculty of Medicine, Rabigh, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mohammed Majrashi
- Department of Pharmacology, Faculty of Medicine, University of Jeddah, Jeddah, Saudi Arabia
| | - Badrah S. Alghamdi
- Department of Physiology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
- Pre-Clinical Research Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- The Neuroscience Research Unit, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ghulam Md. Ashraf
- Department of Medical Laboratory Sciences, College of Health Sciences, University of Sharjah, University City, Sharjah 27272, United Arab Emirates
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Dickinson H, Ellery S, Ireland Z, LaRosa D, Snow R, Walker DW. Creatine supplementation during pregnancy: summary of experimental studies suggesting a treatment to improve fetal and neonatal morbidity and reduce mortality in high-risk human pregnancy. BMC Pregnancy Childbirth 2014; 14:150. [PMID: 24766646 PMCID: PMC4007139 DOI: 10.1186/1471-2393-14-150] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2013] [Accepted: 04/07/2014] [Indexed: 01/03/2023] Open
Abstract
While the use of creatine in human pregnancy is yet to be fully evaluated, its long-term use in healthy adults appears to be safe, and its well documented neuroprotective properties have recently been extended by demonstrations that creatine improves cognitive function in normal and elderly people, and motor skills in sleep-deprived subjects. Creatine has many actions likely to benefit the fetus and newborn, because pregnancy is a state of heightened metabolic activity, and the placenta is a key source of free radicals of oxygen and nitrogen. The multiple benefits of supplementary creatine arise from the fact that the creatine-phosphocreatine [PCr] system has physiologically important roles that include maintenance of intracellular ATP and acid–base balance, post-ischaemic recovery of protein synthesis, cerebral vasodilation, antioxidant actions, and stabilisation of lipid membranes. In the brain, creatine not only reduces lipid peroxidation and improves cerebral perfusion, its interaction with the benzodiazepine site of the GABAA receptor is likely to counteract the effects of glutamate excitotoxicity – actions that may protect the preterm and term fetal brain from the effects of birth hypoxia. In this review we discuss the development of creatine synthesis during fetal life, the transfer of creatine from mother to fetus, and propose that creatine supplementation during pregnancy may have benefits for the fetus and neonate whenever oxidative stress or feto-placental hypoxia arise, as in cases of fetal growth restriction, premature birth, or when parturition is delayed or complicated by oxygen deprivation of the newborn.
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Affiliation(s)
| | | | | | | | | | - David W Walker
- The Ritchie Centre, MIMR-PHI Institute of Medical Research, Monash University, 27-31 Wright St,, Clayton, Melbourne 3168 Australia.
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Hypothalamic mitochondrial dysfunction associated with anorexia in the anx/anx mouse. Proc Natl Acad Sci U S A 2011; 108:18108-13. [PMID: 22025706 DOI: 10.1073/pnas.1114863108] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
The anorectic anx/anx mouse exhibits disturbed feeding behavior and aberrances, including neurodegeneration, in peptidergic neurons in the appetite regulating hypothalamic arcuate nucleus. Poor feeding in infants, as well as neurodegeneration, are common phenotypes in human disorders caused by dysfunction of the mitochondrial oxidative phosphorylation system (OXPHOS). We therefore hypothesized that the anorexia and degenerative phenotypes in the anx/anx mouse could be related to defects in the OXPHOS. In this study, we found reduced efficiency of hypothalamic OXPHOS complex I assembly and activity in the anx/anx mouse. We also recorded signs of increased oxidative stress in anx/anx hypothalamus, possibly as an effect of the decreased hypothalamic levels of fully assembled complex I, that were demonstrated by native Western blots. Furthermore, the Ndufaf1 gene, encoding a complex I assembly factor, was genetically mapped to the anx interval and found to be down-regulated in anx/anx mice. These results suggest that the anorexia and hypothalamic neurodegeneration of the anx/anx mouse are associated with dysfunction of mitochondrial complex I.
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Distelmaier F, Koopman WJ, van den Heuvel LP, Rodenburg RJ, Mayatepek E, Willems PH, Smeitink JA. Mitochondrial complex I deficiency: from organelle dysfunction to clinical disease. Brain 2008; 132:833-42. [DOI: 10.1093/brain/awp058] [Citation(s) in RCA: 232] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
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Honzik T, Wenchich L, Böhm M, Hansikova H, Pejznochova M, Zapadlo M, Plavka R, Zeman J. Activities of respiratory chain complexes and pyruvate dehydrogenase in isolated muscle mitochondria in premature neonates. Early Hum Dev 2008; 84:269-76. [PMID: 17698302 DOI: 10.1016/j.earlhumdev.2006.07.008] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2006] [Revised: 06/19/2006] [Accepted: 07/06/2006] [Indexed: 11/15/2022]
Abstract
BACKGROUND AND AIMS Most diseases in premature neonates are secondary to immaturity of various organ systems. Also the inadequate capacity of mitochondrial energy production may play an important role in the neonatal morbidity. SUBJECTS AND METHODS The activities and amount of respiratory chain (RC) complexes, pyruvate dehydrogenase (PDH) and citrate synthase (CS) were analysed in isolated muscle mitochondria obtained at autopsy in 19 premature neonates using spectrophotometric and radioenzymatic methods and blue-native electrophoresis and Western blotting. Two groups of children recommended for muscle biopsy at the age of 0.5-2 and 3-18 years served as controls. RESULTS In premature neonates, the activities of RC complexes III, IV, PDH and CS were markedly lower in comparison with older children. On the contrary, the activity of complex I was higher in premature neonates than in older children. The ratios between RC complexes I, II and III and CS were significantly higher in premature neonates in comparison with older children. In addition, the protein amount of RC complexes and PDH subunits were lower in premature neonates in comparison with older children. CONCLUSION The results of our study document the age-dependent differences in activities of PDH and respiratory chain complexes in early childhood. Lower functional capacity of mitochondrial energy-providing system in critically ill neonates may be explained by combination of various factors including the delay in maturation of PDH and respiratory chain complexes in very premature neonates and increased degradation of mitochondrial proteins in connection with sepsis, tissue hypoperfusion or hypoxemia.
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Affiliation(s)
- T Honzik
- Department of Paediatrics and Neonatology, Faculty of Medicine, Charles University, Ke Karlovu 2, Prague, Czech Republic
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Bouzidi MF, Enjolras N, Carrier H, Vial C, Lopez-Mediavilla C, Burt-Pichat B, Couthon F, Godinot C. Variations of muscle mitochondrial creatine kinase activity in mitochondrial diseases. BIOCHIMICA ET BIOPHYSICA ACTA 1996; 1316:61-70. [PMID: 8672552 DOI: 10.1016/0925-4439(95)00126-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Mitochondrial creatine kinase (mtCK) activity has been measured in the mitochondria isolated from the muscle of 69 patients suspected of mitochondrial diseases. The isolated mitochondria did not contain significant amounts of the muscle isoform of creatine kinase, as checked by an immunoassay performed after electrophoretic separation of the various isoforms. Hence, the enzyme assay reliably represented the mtCK activity. Therefore, a simple measurement of CK activity in isolated mitochondria permitted the measurement of mtCK activity. An absence of mtCK activity in muscle was never observed. The lowest activities were not associated to defined mitochondrial diseases linked to defects of respiratory chain complexes or to defects of citric cycle enzymes. On the contrary, mtCK activity was significantly increased in the muscle of patients exhibiting ragged red fibers. This increase was generally associated to an increase of citrate synthase activity. Since ragged-red fibers and elevated mtCK activities were generally not found in children younger than 3 years, even in cases of characteristic oxidative phosphorylation deficiency, it is suggested that the increase in mtCK activity as well as the appearance of ragged-red fibers are not the first events which occur during the evolution of mitochondrial diseases but would rather be long-term secondary processes which slowly develop in deficient mitochondria.
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Affiliation(s)
- M F Bouzidi
- UMR 106 CNRS, UCB Lyon I, Villeurbanne, France
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Payne RM, Strauss AW. Developmental expression of sarcomeric and ubiquitous mitochondrial creatine kinase is tissue-specific. BIOCHIMICA ET BIOPHYSICA ACTA 1994; 1219:33-8. [PMID: 8086475 DOI: 10.1016/0167-4781(94)90243-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Creatine kinase (CK) isoenzymes play prominent roles in myocardial energy metabolism. Two nuclear genes encode mitochondrial creatine kinase (MtCK), are tissue-specific in their expression, and are thus designated as sarcomeric MtCK (sMtCK) and ubiquitous MtCK (uMtCK). Quantitative analysis of the mRNA expression of both MtCKs in developing rat tissues demonstrates tissue-specific developmental regulation. sMtCK mRNA in heart is undetectable prenatally but is dramatically upregulated by 28 d postnatally. sMtCK mRNA in skeletal muscle is also extremely low prenatally but is markedly upregulated at birth and doubles by 28 d postnatally. uMtCK mRNA expression is present at low levels in fetal brain and intestine. Brain uMtCK mRNA continues to rise from -4 d prenatally until 28 d postnatally (6-fold increase), but intestinal uMtCK mRNA increases immediately prior to birth, falls, and is upregulated again at 28 d (20-fold). uMtCK mRNA is undetectable in fetal skeletal muscle or heart, but increases to low levels in skeletal muscle at birth and remains at this level into adulthood. uMtCK is not detectable in heart, lung, testes, or liver at any stage examined. We conclude that sMtCK and uMtCK are developmentally regulated in a tissue-specific manner. Unlike cytosolic muscle CK and brain CK, there is no isoenzyme switch between sMtCK and uMtCK in the developing animal. Our results suggest that specific trans-acting factors regulate the different developmental and tissue-specific expression of the MtCK genes.
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Affiliation(s)
- R M Payne
- Department of Pediatrics, Washington University School of Medicine, St. Louis, MO 63110
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Abstract
Mitochondrial Creatine Kinase (MtCK) is responsible for the transfer of high energy phosphate from mitochondria to the cytosolic carrier, creatine, and exists in mammals as two isoenzymes encoded by separate genes. In rats and humans, sarcomere-specific MtCK (sMtCK) is expressed only in skeletal and heart muscle, and has 87% nucleotide identity across the 1257 bp coding region. The ubiquitous isoenzyme of MtCK (uMtCK) is expressed in many tissues with highest levels in brain, gut, and kidney, and has 92% nucleotide identity between the 1254 bp coding regions of rat and human. Both genes are highly regulated developmentally in a tissue-specific manner. There is virtually no expression of sMtCK mRNA prior to birth. Unlike cytosolic muscle CK (MCK) and brain CK (BCK), there is no developmental isoenzyme switch between the MtCKs. Cell culture models representing the tissue-specific expression of either sMtCK or uMtCK are available, but there are no adequate developmental models to examine their regulation. Several animal models are available to examine the coordinate regulation of the CK gene family and include 1) Cardiac Stress by coarctation (sMtCK, BCK, and MCK), 2) Uterus and placenta during pregnancy (uMtCK and BCK), and 3) Diabetes and mitochondrial myopathy (sMtCK, BCK, and MCK). We report the details of these findings, and discuss the coordinate regulation of the genes necessary for high-energy transduction.
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Affiliation(s)
- R M Payne
- Department of Pediatrics, Washington University School of Medicine, St. Louis, MO 63110
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Trijbels JM, Scholte HR, Ruitenbeek W, Sengers RC, Janssen AJ, Busch HF. Problems with the biochemical diagnosis in mitochondrial (encephalo-)myopathies. Eur J Pediatr 1993; 152:178-84. [PMID: 8444240 DOI: 10.1007/bf01956139] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Patients suffering from a mitochondrial (encephalo-)myopathy have a remarkable clinical heterogeneity. A reliable and extensive investigation must be performed in order to obtain a correct diagnosis, but many factors may influence the ultimate results of these investigations leading, under certain circumstances, to an incorrect diagnosis. Patients selection is of crucial importance. Metabolic examination of body fluids, particularly with respect to lactate accumulation, is used as a selection criterion for further examinations. Numerous aspects associated with this metabolic examination have been critically evaluated, including the phenomenon of other causes of lactic acidaemia apart from mitochondrial disorders. Correct performance of in vivo function tests may contribute to a reduction of the number of missed diagnoses. Selection of the controls for biochemical investigations must be accurately be performed to obtain reliable reference values. Knowledge of the age-dependency of the biochemical parameters is necessary for a correct interpretation. It goes without saying that the choice of the tissue for biochemical investigations is of utmost importance. Knowledge of the tissue-specific occurrence of some defects in the mitochondrial respiratory chain is necessary. The biochemical examinations can be performed both in biopsy and autopsy material but only under certain conditions. Diagnostic approach requires application of reliable biochemical methods which are described. One of the most intriguing aspects in the diagnosis of mitochondrial disorders is the significance of a defect in relation to the residual enzyme activity found in the patient. Moreover, attention is paid to relevant items such as the occurrence of multiple and secondary defects.(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- J M Trijbels
- Department of Paediatrics, University Hospital of Nijmegen, The Netherlands
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Sperl W, Sengers RC, Trijbels JM, Ruitenbeek W, Doesburg WH, Smeitink JA, Kollée LA, Boon JM. Enzyme activities of the mitochondrial energy generating system in skeletal muscle tissue of preterm and fullterm neonates. Ann Clin Biochem 1992; 29 ( Pt 6):638-45. [PMID: 1489160 DOI: 10.1177/000456329202900604] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Quadriceps muscle specimens from autopsy of 28 neonates (gestational age 25-42 weeks) were investigated to determine pyruvate and malate oxidation rates and several enzymes of the mitochondrial oxidative process. In general, the levels of all mitochondrial parameters measured, including carnitine levels, were lower in the neonates who died within the first week of life than those in the control group (age > 5 years). Pyruvate and malate oxidation rates (P < 0.05), activities of pyruvate dehydrogenase complex (P < 0.10) and succinate: cytochrome c oxidoreductase (P < 0.05) increased significantly with gestational age. Pyruvate oxidation rates (P < 0.05) as well as activities of citrate synthase (P < 0.05) and NADH:Q1 oxidoreductase (P < 0.05) were significantly lower in the group of very preterm infants at an age of 1-7 days compared with very preterm infants at an age between 3-8 weeks. We conclude from our study that special reference values are necessary for a correct biochemical diagnosis of mitochondrial encephalomyopathies in the neonatal period. Differences between preterm and fullterm children of the same age (1 week) indicate a maturational process in human muscle tissue during gestation. Comparison of two different age groups within the very preterm neonates point to a postnatal maturation of the mitochondrial energy metabolism, at least in preterm neonates.
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Affiliation(s)
- W Sperl
- Department of Paediatrics, University of Innsbruck, Austria
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Wyss M, Smeitink J, Wevers RA, Wallimann T. Mitochondrial creatine kinase: a key enzyme of aerobic energy metabolism. BIOCHIMICA ET BIOPHYSICA ACTA 1992; 1102:119-66. [PMID: 1390823 DOI: 10.1016/0005-2728(92)90096-k] [Citation(s) in RCA: 278] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- M Wyss
- Institute for Cell Biology, ETH Hönggerberg, Zürich, Switzerland
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