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da Cunha Germano BC, de Morais LCC, Idalina Neta F, Fernandes ACL, Pinheiro FI, do Rego ACM, Araújo Filho I, de Azevedo EP, de Paiva Cavalcanti JRL, Guzen FP, Cobucci RN. Vitamin E and Its Molecular Effects in Experimental Models of Neurodegenerative Diseases. Int J Mol Sci 2023; 24:11191. [PMID: 37446369 DOI: 10.3390/ijms241311191] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/26/2023] [Accepted: 06/27/2023] [Indexed: 07/15/2023] Open
Abstract
With the advancement of in vivo studies and clinical trials, the pathogenesis of neurodegenerative diseases has been better understood. However, gaps still need to be better elucidated, which justifies the publication of reviews that explore the mechanisms related to the development of these diseases. Studies show that vitamin E supplementation can protect neurons from the damage caused by oxidative stress, with a positive impact on the prevention and progression of neurodegenerative diseases. Thus, this review aims to summarize the scientific evidence of the effects of vitamin E supplementation on neuroprotection and on neurodegeneration markers in experimental models. A search for studies published between 2000 and 2023 was carried out in the PubMed, Web of Science, Virtual Health Library (BVS), and Embase databases, in which the effects of vitamin E in experimental models of neurodegeneration were investigated. A total of 5669 potentially eligible studies were identified. After excluding the duplicates, 5373 remained, of which 5253 were excluded after checking the titles, 90 articles after reading the abstracts, and 11 after fully reviewing the manuscripts, leaving 19 publications to be included in this review. Experiments with in vivo models of neurodegenerative diseases demonstrated that vitamin E supplementation significantly improved memory, cognition, learning, motor function, and brain markers associated with neuroregeneration and neuroprotection. Vitamin E supplementation reduced beta-amyloid (Aβ) deposition and toxicity in experimental models of Alzheimer's disease. In addition, it decreased tau-protein hyperphosphorylation and increased superoxide dismutase and brain-derived neurotrophic factor (BDNF) levels in rodents, which seems to indicate the potential use of vitamin E in preventing and delaying the progress of degenerative lesions in the central nervous system.
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Affiliation(s)
- Bianca Caroline da Cunha Germano
- Postgraduate Program in Science Applied to Women's Health, Federal University of Rio Grande do Norte (UFRN), Natal 59072-970, Brazil
| | - Lara Cristina Carlos de Morais
- Postgratuate Program in Health and Society, Department of Biomedical Sciences, Faculty of Health Sciences, State University of Rio Grande do Norte (UERN), Mossoró 59607-360, Brazil
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, State University of Rio Grande do Norte (UERN), Mossoró 59607-360, Brazil
| | - Francisca Idalina Neta
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, State University of Rio Grande do Norte (UERN), Mossoró 59607-360, Brazil
- Postgraduate Program in Physiological Sciences, Department of Biomedical Sciences, Faculty of Health Sciences, State University of Rio Grande do Norte (UERN), Mossoró 59607-360, Brazil
| | - Amélia Carolina Lopes Fernandes
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, State University of Rio Grande do Norte (UERN), Mossoró 59607-360, Brazil
- Postgraduate Program in Physiological Sciences, Department of Biomedical Sciences, Faculty of Health Sciences, State University of Rio Grande do Norte (UERN), Mossoró 59607-360, Brazil
| | - Francisco Irochima Pinheiro
- Postgraduate Program in Biotechnology, Health School, Potiguar University (UnP), Natal 59056-000, Brazil
- Medical School, Health School, Potiguar University (UnP), Natal 59056-000, Brazil
| | | | - Irami Araújo Filho
- Postgraduate Program in Biotechnology, Health School, Potiguar University (UnP), Natal 59056-000, Brazil
- Medical School, Health School, Potiguar University (UnP), Natal 59056-000, Brazil
| | - Eduardo Pereira de Azevedo
- Postgraduate Program in Biotechnology, Health School, Potiguar University (UnP), Natal 59056-000, Brazil
| | - José Rodolfo Lopes de Paiva Cavalcanti
- Postgratuate Program in Health and Society, Department of Biomedical Sciences, Faculty of Health Sciences, State University of Rio Grande do Norte (UERN), Mossoró 59607-360, Brazil
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, State University of Rio Grande do Norte (UERN), Mossoró 59607-360, Brazil
- Postgraduate Program in Physiological Sciences, Department of Biomedical Sciences, Faculty of Health Sciences, State University of Rio Grande do Norte (UERN), Mossoró 59607-360, Brazil
| | - Fausto Pierdona Guzen
- Postgratuate Program in Health and Society, Department of Biomedical Sciences, Faculty of Health Sciences, State University of Rio Grande do Norte (UERN), Mossoró 59607-360, Brazil
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, State University of Rio Grande do Norte (UERN), Mossoró 59607-360, Brazil
- Postgraduate Program in Physiological Sciences, Department of Biomedical Sciences, Faculty of Health Sciences, State University of Rio Grande do Norte (UERN), Mossoró 59607-360, Brazil
- Postgraduate Program in Biotechnology, Health School, Potiguar University (UnP), Natal 59056-000, Brazil
| | - Ricardo Ney Cobucci
- Postgraduate Program in Science Applied to Women's Health, Federal University of Rio Grande do Norte (UFRN), Natal 59072-970, Brazil
- Postgraduate Program in Biotechnology, Health School, Potiguar University (UnP), Natal 59056-000, Brazil
- Medical School, Health School, Potiguar University (UnP), Natal 59056-000, Brazil
- Postgraduate Program in Health Sciences, Federal University of Rio Grande do Norte (UFRN), Natal 59078-900, Brazil
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Ghosh R, Biswas U, Roy D, Pandit A, Lahiri D, Ray BK, Benito‐León J. De Novo Movement Disorders and COVID-19: Exploring the Interface. Mov Disord Clin Pract 2021; 8:669-680. [PMID: 34230886 PMCID: PMC8250792 DOI: 10.1002/mdc3.13224] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 03/17/2021] [Accepted: 04/05/2021] [Indexed: 12/14/2022] Open
Abstract
Background Neurological manifestations of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are being widely documented. However, movement disorders in the setting of 2019 coronavirus infectious disease (COVID-19) have been a strikingly less discussed topic. Objectives To summarize available pieces of evidence documenting de novo movement disorders in COVID-19. Methods We used the existing PRISMA consensus statement. Data were collected from PubMed, EMBASE, Web of Science, and Scopus databases up to the 29th January, 2021, using pre-specified searching strategies. Results Twenty-two articles were selected for the qualitative synthesis. Among these, a total of 52 patients with de novo movement disorders were reported. Most of these had myoclonus, ataxia, tremor or a combination of these, while three had parkinsonism and one a functional disorder. In general, they were managed successfully by intravenous immunoglobulin or steroids. Some cases, primarily with myoclonus, could be ascribed to medication exposures, metabolic disturbances or severe hypoxia, meanwhile others to a post-or para-infectious immune-mediated mechanism. SARS-CoV-2 could also invade the central nervous system, through vascular or retrograde axonal pathways, and cause movement disorders by two primary mechanisms. Firstly, through the downregulation of angiotensin-converting enzyme 2 receptors, resulting in the imbalance of dopamine and norepinephrine; and secondly, the virus could cause cellular vacuolation, demyelination and gliosis, leading to encephalitis and associated movement disorders. Conclusion De novo movement disorders are scantly reported in COVID-19. The links between SARS-CoV-2 and movement disorders are not yet established. However, we should closely monitor COVID-19 survivors for the possibility of post-COVID movement disorders.
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Affiliation(s)
- Ritwik Ghosh
- Department of General MedicineBurdwan Medical College & HospitalBurdwanIndia
| | - Uttam Biswas
- Department of General MedicineBurdwan Medical College & HospitalBurdwanIndia
| | - Dipayan Roy
- Department of BiochemistryAll India Institute of Medical Sciences (AIIMS)JodhpurIndia
- Indian Institute of Technology (IIT)MadrasIndia
| | - Alak Pandit
- Department of NeuromedicineBangur Institute of NeurosciencesKolkataIndia
| | - Durjoy Lahiri
- Department of NeuromedicineBangur Institute of NeurosciencesKolkataIndia
| | - Biman Kanti Ray
- Department of NeuromedicineBangur Institute of NeurosciencesKolkataIndia
| | - Julián Benito‐León
- Department of NeurologyUniversity Hospital “12 de Octubre”MadridSpain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED)MadridSpain
- Department of MedicineComplutense UniversityMadridSpain
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Shabani Z, Mohammad Nejad D, Ghadiri T, Karimipour M. Evaluation of the neuroprotective effects of Vitamin E on the rat substantia nigra neural cells exposed to electromagnetic field: An ultrastructural study. Electromagn Biol Med 2021; 40:428-437. [PMID: 33794719 DOI: 10.1080/15368378.2021.1907404] [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: 10/21/2022]
Abstract
Electromagnetic fields (EMFs) could induce oxidative stress (OS) in human tissues. Lipid peroxidation (LPO) is the main hallmark of OS that harms neural cell components, primarily lipids in the myelin sheaths and membranes. Vitamin E is a lipophilic antioxidant that protects cells from OS-related damages and inhibits the LPO process. In this study, male rats were assigned into three groups of Control, EMF, and EMF+ Vitamin E. The EMF producer equipment produced an alternate current of 50 Hz, 3 Mili Tesla (mT). At the end of the experiment, half of the substantia nigra in every sample was used for measurement of the malondialdehyde (MDA) level as the end-product of the LPO and activity of superoxide dismutase (SOD) enzyme. The next half of the tissue was prepared for transmission electron microscopy (TEM). In the EMF group, MDA level was enhanced and SOD value decreased significantly compared to the control group, but Vitamin E could restore these changes. In rats undergone EMF, heterochromatic nucleus and destruction in some portions of the nuclear membrane were detected. The segmental separation or destruction of myelin sheath lamellae was observed in nerve fibers. In treated animals, the nucleus was round, less heterochromatic, with a regular membrane. Separation of myelin sheath lamellae in some nerve fibers was slighter than the radiation group. Considering the results, EMF exposure induces LPO and triggers ultrastructural changes in the cell membranes, nucleus, and myelin sheath of substantia nigra cells, but Vitamin E consumption weakens these neuropathological alterations.
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Affiliation(s)
- Zahra Shabani
- Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz, Iran
| | - Daryoush Mohammad Nejad
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Anatomical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Tahereh Ghadiri
- Department of Neurosciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Karimipour
- Department of Anatomical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Neurosciences, Tabriz University of Medical Sciences, Tabriz, Iran
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Corrêa DG, Dos Santos RQ, da Cruz LCH. Isolated substantia nigra lesions in encephalitis: A specific MRI pattern? Acta Neurol Belg 2020; 120:1433-1435. [PMID: 32240533 DOI: 10.1007/s13760-020-01346-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Accepted: 03/22/2020] [Indexed: 11/30/2022]
Affiliation(s)
- Diogo Goulart Corrêa
- Clínica de Diagnóstico por Imagem (CDPI)/DASA, Avenida das Américas, 4666, 302A, 303, 307, 325, 326, Barra da Tijuca, Rio de Janeiro, RJ, 2640-102, Brazil.
| | - Roberto Queiroz Dos Santos
- Hospital dos Servidores do Estado, Rua Sacadura Cabral, 178, Saúde, Rio de Janeiro, RJ, 20221-903, Brazil
| | - Luiz Celso Hygino da Cruz
- Clínica de Diagnóstico por Imagem (CDPI)/DASA, Avenida das Américas, 4666, 302A, 303, 307, 325, 326, Barra da Tijuca, Rio de Janeiro, RJ, 2640-102, Brazil
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