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Gómez-Fernández D, Romero-González A, Suárez-Rivero JM, Cilleros-Holgado P, Álvarez-Córdoba M, Piñero-Pérez R, Romero-Domínguez JM, Reche-López D, López-Cabrera A, Ibáñez-Mico S, Castro de Oliveira M, Rodríguez-Sacristán A, González-Granero S, García-Verdugo JM, Sánchez-Alcázar JA. A Multi-Target Pharmacological Correction of a Lipoyltransferase LIPT1 Gene Mutation in Patient-Derived Cellular Models. Antioxidants (Basel) 2024; 13:1023. [PMID: 39199267 PMCID: PMC11351668 DOI: 10.3390/antiox13081023] [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: 07/19/2024] [Revised: 08/12/2024] [Accepted: 08/20/2024] [Indexed: 09/01/2024] Open
Abstract
Mutations in the lipoyltransferase 1 (LIPT1) gene are rare inborn errors of metabolism leading to a fatal condition characterized by lipoylation defects of the 2-ketoacid dehydrogenase complexes causing early-onset seizures, psychomotor retardation, abnormal muscle tone, severe lactic acidosis, and increased urine lactate, ketoglutarate, and 2-oxoacid levels. In this article, we characterized the disease pathophysiology using fibroblasts and induced neurons derived from a patient bearing a compound heterozygous mutation in LIPT1. A Western blot analysis revealed a reduced expression of LIPT1 and absent expression of lipoylated pyruvate dehydrogenase E2 (PDH E2) and alpha-ketoglutarate dehydrogenase E2 (α-KGDH E2) subunits. Accordingly, activities of PDH and α-KGDH were markedly reduced, associated with cell bioenergetics failure, iron accumulation, and lipid peroxidation. In addition, using a pharmacological screening, we identified a cocktail of antioxidants and mitochondrial boosting agents consisting of pantothenate, nicotinamide, vitamin E, thiamine, biotin, and α-lipoic acid, which is capable of rescuing LIPT1 pathophysiology, increasing the LIPT1 expression and lipoylation of mitochondrial proteins, improving cell bioenergetics, and eliminating iron overload and lipid peroxidation. Furthermore, our data suggest that the beneficial effect of the treatment is mainly mediated by SIRT3 activation. In conclusion, we have identified a promising therapeutic approach for correcting LIPT1 mutations.
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Affiliation(s)
- David Gómez-Fernández
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide), 41013 Sevilla, Spain; (D.G.-F.); (A.R.-G.); (J.M.S.-R.); (P.C.-H.); (M.Á.-C.); (R.P.-P.); (J.M.R.-D.); (D.R.-L.); (A.L.-C.)
| | - Ana Romero-González
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide), 41013 Sevilla, Spain; (D.G.-F.); (A.R.-G.); (J.M.S.-R.); (P.C.-H.); (M.Á.-C.); (R.P.-P.); (J.M.R.-D.); (D.R.-L.); (A.L.-C.)
| | - Juan M. Suárez-Rivero
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide), 41013 Sevilla, Spain; (D.G.-F.); (A.R.-G.); (J.M.S.-R.); (P.C.-H.); (M.Á.-C.); (R.P.-P.); (J.M.R.-D.); (D.R.-L.); (A.L.-C.)
| | - Paula Cilleros-Holgado
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide), 41013 Sevilla, Spain; (D.G.-F.); (A.R.-G.); (J.M.S.-R.); (P.C.-H.); (M.Á.-C.); (R.P.-P.); (J.M.R.-D.); (D.R.-L.); (A.L.-C.)
| | - Mónica Álvarez-Córdoba
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide), 41013 Sevilla, Spain; (D.G.-F.); (A.R.-G.); (J.M.S.-R.); (P.C.-H.); (M.Á.-C.); (R.P.-P.); (J.M.R.-D.); (D.R.-L.); (A.L.-C.)
| | - Rocío Piñero-Pérez
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide), 41013 Sevilla, Spain; (D.G.-F.); (A.R.-G.); (J.M.S.-R.); (P.C.-H.); (M.Á.-C.); (R.P.-P.); (J.M.R.-D.); (D.R.-L.); (A.L.-C.)
| | - José Manuel Romero-Domínguez
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide), 41013 Sevilla, Spain; (D.G.-F.); (A.R.-G.); (J.M.S.-R.); (P.C.-H.); (M.Á.-C.); (R.P.-P.); (J.M.R.-D.); (D.R.-L.); (A.L.-C.)
| | - Diana Reche-López
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide), 41013 Sevilla, Spain; (D.G.-F.); (A.R.-G.); (J.M.S.-R.); (P.C.-H.); (M.Á.-C.); (R.P.-P.); (J.M.R.-D.); (D.R.-L.); (A.L.-C.)
| | - Alejandra López-Cabrera
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide), 41013 Sevilla, Spain; (D.G.-F.); (A.R.-G.); (J.M.S.-R.); (P.C.-H.); (M.Á.-C.); (R.P.-P.); (J.M.R.-D.); (D.R.-L.); (A.L.-C.)
| | - Salvador Ibáñez-Mico
- Hospital Clínico Universitario Virgen de la Arrixaca, Servicio de Neuropediatría, 30120 Murcia, Spain;
| | - Marta Castro de Oliveira
- Neuropediatria, Neurolinkia, C. Jardín de la Isla, 8, Local 4 y 5, 41014 Sevilla, Spain;
- FEA Pediatría, Centro Universitario Hospitalar de Faro, R. Leão Penedo, 8000-386 Faro, Portugal
- Neuropediatria, Servicio de Pediatría, Hospital Universitario Virgen Macarena, 41009 Sevilla, Spain;
| | - Andrés Rodríguez-Sacristán
- Neuropediatria, Servicio de Pediatría, Hospital Universitario Virgen Macarena, 41009 Sevilla, Spain;
- Departamento de Farmacología, Radiología y Pediatría de la Facultad de Medicina de la Universidad de Sevilla, 41009 Sevilla, Spain
| | - Susana González-Granero
- Laboratory of Comparative Neurobiology, Cavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia and CIBERNED-ISCIII, 46980 Valencia, Spain; (S.G.-G.); (J.M.G.-V.)
| | - José Manuel García-Verdugo
- Laboratory of Comparative Neurobiology, Cavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia and CIBERNED-ISCIII, 46980 Valencia, Spain; (S.G.-G.); (J.M.G.-V.)
| | - José A. Sánchez-Alcázar
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide), 41013 Sevilla, Spain; (D.G.-F.); (A.R.-G.); (J.M.S.-R.); (P.C.-H.); (M.Á.-C.); (R.P.-P.); (J.M.R.-D.); (D.R.-L.); (A.L.-C.)
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Wadhwa R, Hegde M, Zhang H, Kaul A, Wang J, Ishida Y, Terao K, Kunnumakkara AB, Kaul SC. Antistress and Antiaging Potentials of Alpha-Lipoic Acid: Insights from Cell Culture-Based Experiments. Appl Biochem Biotechnol 2024:10.1007/s12010-024-04994-4. [PMID: 38941028 DOI: 10.1007/s12010-024-04994-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/05/2024] [Indexed: 06/29/2024]
Abstract
Chronic stress has been linked to a large number of pathologies, including cancer, premature aging, and neurodegenerative diseases. The accumulation of molecular waste resulting from oxidative and heavy metal-induced stress has been ascribed as a major factor contributing to these diseases. With this in mind, we started by screening 13 small molecules to determine their antistress potential in heavy metal stress-exposed C6 glioblastoma and found that alpha-lipoic acid (ALA) (a natural antioxidant abundantly present in yeast, spinach, broccoli, and meat) was the most effective candidate. We then conducted molecular analyses to validate its mechanism of action. Dose-dependent toxicity assays of cells treated with two ALA enantiomers, R-ALA and S-ALA, showed that they are nontoxic and can be tolerated at relatively high doses. Cells exposed to heavy metal, heat, and oxidative stress showed better recovery when cultured in R-ALA-/S-ALA-supplemented medium, supported by reduction of reactive oxygen species (ROS), aggregated proteins, and mitochondrial and deoxyribonucleic acid (DNA) damage. Molecular analyses revealed protection against stress-induced apoptosis and induction of autophagy in R-ALA- and S-ALA-treated C6/U2OS cells. Consistent with these findings, normal human fibroblasts showed lifespan extension. Taken together, this study demonstrates that lipoic acid has antiaging and antistress potential and warrants further attention in laboratory and clinical studies.
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Affiliation(s)
- Renu Wadhwa
- AIST-INDIA DAILAB, National Institute of Advanced Industrial Science & Technology (AIST), Tsukuba, 305-8565, Japan
| | - Mangala Hegde
- Department of Biosciences and Bioengineering, Indian Institute of Technology (IIT), Guwahati, Assam, 781 039, India
| | - Huayue Zhang
- AIST-INDIA DAILAB, National Institute of Advanced Industrial Science & Technology (AIST), Tsukuba, 305-8565, Japan
| | - Ashish Kaul
- AIST-INDIA DAILAB, National Institute of Advanced Industrial Science & Technology (AIST), Tsukuba, 305-8565, Japan
| | - Jia Wang
- AIST-INDIA DAILAB, National Institute of Advanced Industrial Science & Technology (AIST), Tsukuba, 305-8565, Japan
| | - Yoshiyuki Ishida
- CycloChem Bio Co., Ltd., 7-4-5 Minatojima-Minamimachi, Chuo-Ku, Kobe, 650 0047, Japan
| | - Keiji Terao
- CycloChem Bio Co., Ltd., 7-4-5 Minatojima-Minamimachi, Chuo-Ku, Kobe, 650 0047, Japan
| | - Ajaikumar B Kunnumakkara
- Department of Biosciences and Bioengineering, Indian Institute of Technology (IIT), Guwahati, Assam, 781 039, India.
| | - Sunil C Kaul
- AIST-INDIA DAILAB, National Institute of Advanced Industrial Science & Technology (AIST), Tsukuba, 305-8565, Japan.
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Tancheva L, Kalfin R, Minchev B, Uzunova D, Tasheva K, Tsvetanova E, Georgieva A, Alexandrova A, Stefanova M, Solak A, Lazarova M, Hodzhev Y, Grigorova V, Yarkov D, Petkova-Kirova P. Memory Recovery Effect of a New Bioactive Innovative Combination in Rats with Experimental Dementia. Antioxidants (Basel) 2023; 12:2050. [PMID: 38136170 PMCID: PMC10740861 DOI: 10.3390/antiox12122050] [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: 11/01/2023] [Revised: 11/21/2023] [Accepted: 11/23/2023] [Indexed: 12/24/2023] Open
Abstract
Alzheimer's disease manifests as a complex pathological condition, with neuroinflammation, oxidative stress and cholinergic dysfunction being a few of the many pathological changes. Due to the complexity of the disease, current therapeutic strategies aim at a multitargeted approach, often relying on a combination of substances with versatile and complementary effects. In the present study, a unique combination of α-lipoic acid, citicoline, extracts of leaves from olive tree and green tea, vitamin D3, selenium and an immune-supporting complex was tested in scopolamine-induced dementia in rats. Using behavioral and biochemical methods, we assessed the effects of the combination on learning and memory, and elucidated the mechanisms of these effects. Our results showed that, compared to its components, the experimental combination was most efficient in improving short- and long-term memory as assessed by the step-through method as well as spatial memory as assessed by T-maze and Barnes maze underlined by decreases in AChE activity (p < 0.05) and LPO (p < 0.001), increases in SOD activity in the cortex (p < 0.05) and increases in catalase (p < 0.05) and GPx (p < 0.01) activities and BDNF (p < 0.001) and pCREB (p < 0.05) levels in the hippocampus. No significant histopathological changes or blood parameter changes were detected, making the experimental combination an effective and safe candidate in a multitargeted treatment of AD.
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Affiliation(s)
- Lyubka Tancheva
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. 23, 1113 Sofia, Bulgaria; (L.T.); (B.M.); (D.U.); (E.T.); (A.G.); (A.A.); (M.S.); (A.S.); (M.L.)
| | - Reni Kalfin
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. 23, 1113 Sofia, Bulgaria; (L.T.); (B.M.); (D.U.); (E.T.); (A.G.); (A.A.); (M.S.); (A.S.); (M.L.)
- Department of Healthcare, South-West University “Neofit Rilski”, Ivan Mihailov Str. 66, 2700 Blagoevgrad, Bulgaria
| | - Borislav Minchev
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. 23, 1113 Sofia, Bulgaria; (L.T.); (B.M.); (D.U.); (E.T.); (A.G.); (A.A.); (M.S.); (A.S.); (M.L.)
| | - Diamara Uzunova
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. 23, 1113 Sofia, Bulgaria; (L.T.); (B.M.); (D.U.); (E.T.); (A.G.); (A.A.); (M.S.); (A.S.); (M.L.)
| | - Krasimira Tasheva
- Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. 21, 1113 Sofia, Bulgaria;
| | - Elina Tsvetanova
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. 23, 1113 Sofia, Bulgaria; (L.T.); (B.M.); (D.U.); (E.T.); (A.G.); (A.A.); (M.S.); (A.S.); (M.L.)
| | - Almira Georgieva
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. 23, 1113 Sofia, Bulgaria; (L.T.); (B.M.); (D.U.); (E.T.); (A.G.); (A.A.); (M.S.); (A.S.); (M.L.)
| | - Albena Alexandrova
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. 23, 1113 Sofia, Bulgaria; (L.T.); (B.M.); (D.U.); (E.T.); (A.G.); (A.A.); (M.S.); (A.S.); (M.L.)
- National Sports Academy, Department of Physiology and Biochemistry, Acad. S. Mladenov Str. 21, 1700 Sofia, Bulgaria
| | - Miroslava Stefanova
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. 23, 1113 Sofia, Bulgaria; (L.T.); (B.M.); (D.U.); (E.T.); (A.G.); (A.A.); (M.S.); (A.S.); (M.L.)
| | - Ayten Solak
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. 23, 1113 Sofia, Bulgaria; (L.T.); (B.M.); (D.U.); (E.T.); (A.G.); (A.A.); (M.S.); (A.S.); (M.L.)
- Institute of Cryobiology and Food Technologies, Cherni Vrah Blvd 53, 1407 Sofia, Bulgaria
| | - Maria Lazarova
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. 23, 1113 Sofia, Bulgaria; (L.T.); (B.M.); (D.U.); (E.T.); (A.G.); (A.A.); (M.S.); (A.S.); (M.L.)
| | - Yordan Hodzhev
- National Center of Infectious and Parasitic Diseases, Yanko Sakazov Blvd 26, 1504 Sofia, Bulgaria;
| | - Valya Grigorova
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. 23, 1113 Sofia, Bulgaria; (L.T.); (B.M.); (D.U.); (E.T.); (A.G.); (A.A.); (M.S.); (A.S.); (M.L.)
| | - Dobri Yarkov
- Faculty of Veterinary Medicine, Trakia University, 6000 Stara Zagora, Bulgaria;
| | - Polina Petkova-Kirova
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. 23, 1113 Sofia, Bulgaria; (L.T.); (B.M.); (D.U.); (E.T.); (A.G.); (A.A.); (M.S.); (A.S.); (M.L.)
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Wang Y, Lv MN, Zhao WJ. Research on ferroptosis as a therapeutic target for the treatment of neurodegenerative diseases. Ageing Res Rev 2023; 91:102035. [PMID: 37619619 DOI: 10.1016/j.arr.2023.102035] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 08/14/2023] [Accepted: 08/17/2023] [Indexed: 08/26/2023]
Abstract
Ferroptosis is an iron- and lipid peroxidation (LPO)-mediated programmed cell death type. Recently, mounting evidence has indicated the involvement of ferroptosis in neurodegenerative diseases, especially in Alzheimer's disease (AD), Parkinson's disease (PD), multiple sclerosis (MS), amyotrophic lateral sclerosis (ALS), Huntington's disease (HD), and so on. Treating ferroptosis presents opportunities as well as challenges for neurodegenerative diseases. This review provides a comprehensive overview of typical features of ferroptosis and the underlying mechanisms that contribute to its occurrence, as well as their implications in the pathogenesis and advancement of major neurodegenerative disorders. Meanwhile, we summarize the utilization of ferroptosis inhibition in both experimental and clinical approaches for the treatment of major neurodegenerative disorders. In addition, we specifically summarize recent advances in developing therapeutic means targeting ferroptosis in these diseases, which may guide future approaches for the effective management of these devastating medical conditions.
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Affiliation(s)
- Yi Wang
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Meng-Nan Lv
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Wei-Jiang Zhao
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu 214122, PR China; Department of Cell Biology, Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu 214122, PR China.
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Álvarez-Córdoba M, Talaverón-Rey M, Povea-Cabello S, Cilleros-Holgado P, Gómez-Fernández D, Piñero-Pérez R, Reche-López D, Munuera-Cabeza M, Suárez-Carrillo A, Romero-González A, Romero-Domínguez JM, López-Cabrera A, Armengol JÁ, Sánchez-Alcázar JA. Patient-Derived Cellular Models for Polytarget Precision Medicine in Pantothenate Kinase-Associated Neurodegeneration. Pharmaceuticals (Basel) 2023; 16:1359. [PMID: 37895830 PMCID: PMC10609847 DOI: 10.3390/ph16101359] [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: 09/04/2023] [Revised: 09/21/2023] [Accepted: 09/21/2023] [Indexed: 10/29/2023] Open
Abstract
The term neurodegeneration with brain iron accumulation (NBIA) brings together a broad set of progressive and disabling neurological genetic disorders in which iron is deposited preferentially in certain areas of the brain. Among NBIA disorders, the most frequent subtype is pantothenate kinase-associated neurodegeneration (PKAN) caused by pathologic variants in the PANK2 gene codifying the enzyme pantothenate kinase 2 (PANK2). To date, there are no effective treatments to stop the progression of these diseases. This review discusses the utility of patient-derived cell models as a valuable tool for the identification of pharmacological or natural compounds for implementing polytarget precision medicine in PKAN. Recently, several studies have described that PKAN patient-derived fibroblasts present the main pathological features associated with the disease including intracellular iron overload. Interestingly, treatment of mutant cell cultures with various supplements such as pantothenate, pantethine, vitamin E, omega 3, α-lipoic acid L-carnitine or thiamine, improved all pathophysiological alterations in PKAN fibroblasts with residual expression of the PANK2 enzyme. The information provided by pharmacological screenings in patient-derived cellular models can help optimize therapeutic strategies in individual PKAN patients.
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Affiliation(s)
- Mónica Álvarez-Córdoba
- Andalusian Centre for Developmental Biology (CABD-CSIC-Pablo de Olavide University), 41013 Seville, Spain; (M.Á.-C.); (M.T.-R.); (S.P.-C.); (P.C.-H.); (D.G.-F.); (R.P.-P.); (D.R.-L.); (M.M.-C.); (A.S.-C.); (A.R.-G.); (J.M.R.-D.); (A.L.-C.)
| | - Marta Talaverón-Rey
- Andalusian Centre for Developmental Biology (CABD-CSIC-Pablo de Olavide University), 41013 Seville, Spain; (M.Á.-C.); (M.T.-R.); (S.P.-C.); (P.C.-H.); (D.G.-F.); (R.P.-P.); (D.R.-L.); (M.M.-C.); (A.S.-C.); (A.R.-G.); (J.M.R.-D.); (A.L.-C.)
| | - Suleva Povea-Cabello
- Andalusian Centre for Developmental Biology (CABD-CSIC-Pablo de Olavide University), 41013 Seville, Spain; (M.Á.-C.); (M.T.-R.); (S.P.-C.); (P.C.-H.); (D.G.-F.); (R.P.-P.); (D.R.-L.); (M.M.-C.); (A.S.-C.); (A.R.-G.); (J.M.R.-D.); (A.L.-C.)
| | - Paula Cilleros-Holgado
- Andalusian Centre for Developmental Biology (CABD-CSIC-Pablo de Olavide University), 41013 Seville, Spain; (M.Á.-C.); (M.T.-R.); (S.P.-C.); (P.C.-H.); (D.G.-F.); (R.P.-P.); (D.R.-L.); (M.M.-C.); (A.S.-C.); (A.R.-G.); (J.M.R.-D.); (A.L.-C.)
| | - David Gómez-Fernández
- Andalusian Centre for Developmental Biology (CABD-CSIC-Pablo de Olavide University), 41013 Seville, Spain; (M.Á.-C.); (M.T.-R.); (S.P.-C.); (P.C.-H.); (D.G.-F.); (R.P.-P.); (D.R.-L.); (M.M.-C.); (A.S.-C.); (A.R.-G.); (J.M.R.-D.); (A.L.-C.)
| | - Rocío Piñero-Pérez
- Andalusian Centre for Developmental Biology (CABD-CSIC-Pablo de Olavide University), 41013 Seville, Spain; (M.Á.-C.); (M.T.-R.); (S.P.-C.); (P.C.-H.); (D.G.-F.); (R.P.-P.); (D.R.-L.); (M.M.-C.); (A.S.-C.); (A.R.-G.); (J.M.R.-D.); (A.L.-C.)
| | - Diana Reche-López
- Andalusian Centre for Developmental Biology (CABD-CSIC-Pablo de Olavide University), 41013 Seville, Spain; (M.Á.-C.); (M.T.-R.); (S.P.-C.); (P.C.-H.); (D.G.-F.); (R.P.-P.); (D.R.-L.); (M.M.-C.); (A.S.-C.); (A.R.-G.); (J.M.R.-D.); (A.L.-C.)
| | - Manuel Munuera-Cabeza
- Andalusian Centre for Developmental Biology (CABD-CSIC-Pablo de Olavide University), 41013 Seville, Spain; (M.Á.-C.); (M.T.-R.); (S.P.-C.); (P.C.-H.); (D.G.-F.); (R.P.-P.); (D.R.-L.); (M.M.-C.); (A.S.-C.); (A.R.-G.); (J.M.R.-D.); (A.L.-C.)
| | - Alejandra Suárez-Carrillo
- Andalusian Centre for Developmental Biology (CABD-CSIC-Pablo de Olavide University), 41013 Seville, Spain; (M.Á.-C.); (M.T.-R.); (S.P.-C.); (P.C.-H.); (D.G.-F.); (R.P.-P.); (D.R.-L.); (M.M.-C.); (A.S.-C.); (A.R.-G.); (J.M.R.-D.); (A.L.-C.)
| | - Ana Romero-González
- Andalusian Centre for Developmental Biology (CABD-CSIC-Pablo de Olavide University), 41013 Seville, Spain; (M.Á.-C.); (M.T.-R.); (S.P.-C.); (P.C.-H.); (D.G.-F.); (R.P.-P.); (D.R.-L.); (M.M.-C.); (A.S.-C.); (A.R.-G.); (J.M.R.-D.); (A.L.-C.)
| | - Jose Manuel Romero-Domínguez
- Andalusian Centre for Developmental Biology (CABD-CSIC-Pablo de Olavide University), 41013 Seville, Spain; (M.Á.-C.); (M.T.-R.); (S.P.-C.); (P.C.-H.); (D.G.-F.); (R.P.-P.); (D.R.-L.); (M.M.-C.); (A.S.-C.); (A.R.-G.); (J.M.R.-D.); (A.L.-C.)
| | - Alejandra López-Cabrera
- Andalusian Centre for Developmental Biology (CABD-CSIC-Pablo de Olavide University), 41013 Seville, Spain; (M.Á.-C.); (M.T.-R.); (S.P.-C.); (P.C.-H.); (D.G.-F.); (R.P.-P.); (D.R.-L.); (M.M.-C.); (A.S.-C.); (A.R.-G.); (J.M.R.-D.); (A.L.-C.)
| | - José Ángel Armengol
- Department of Physiology, Anatomy and Cellular Biology, Pablo de Olavide University, 41013 Seville, Spain;
| | - José Antonio Sánchez-Alcázar
- Andalusian Centre for Developmental Biology (CABD-CSIC-Pablo de Olavide University), 41013 Seville, Spain; (M.Á.-C.); (M.T.-R.); (S.P.-C.); (P.C.-H.); (D.G.-F.); (R.P.-P.); (D.R.-L.); (M.M.-C.); (A.S.-C.); (A.R.-G.); (J.M.R.-D.); (A.L.-C.)
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Talaverón-Rey M, Álvarez-Córdoba M, Villalón-García I, Povea-Cabello S, Suárez-Rivero JM, Gómez-Fernández D, Romero-González A, Suárez-Carrillo A, Munuera-Cabeza M, Cilleros-Holgado P, Reche-López D, Piñero-Pérez R, Sánchez-Alcázar JA. Alpha-lipoic acid supplementation corrects pathological alterations in cellular models of pantothenate kinase-associated neurodegeneration with residual PANK2 expression levels. Orphanet J Rare Dis 2023; 18:80. [PMID: 37046296 PMCID: PMC10091671 DOI: 10.1186/s13023-023-02687-5] [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: 11/14/2022] [Accepted: 04/02/2023] [Indexed: 04/14/2023] Open
Abstract
BACKGROUND Neurodegeneration with brain iron accumulation (NBIA) disorders are a group of neurodegenerative diseases that have in common the accumulation of iron in the basal nuclei of the brain which are essential components of the extrapyramidal system. Frequent symptoms are progressive spasticity, dystonia, muscle rigidity, neuropsychiatric symptoms, and retinal degeneration or optic nerve atrophy. One of the most prevalent subtypes of NBIA is Pantothenate kinase-associated neurodegeneration (PKAN). It is caused by pathogenic variants in the gene of pantothenate kinase 2 (PANK2) which encodes the enzyme responsible for the first reaction on the coenzyme A (CoA) biosynthesis pathway. Thus, deficient PANK2 activity induces CoA deficiency as well as low expression levels of 4'-phosphopantetheinyl proteins which are essential for mitochondrial metabolism. METHODS This study is aimed at evaluating the role of alpha-lipoic acid (α-LA) in reversing the pathological alterations in fibroblasts and induced neurons derived from PKAN patients. Iron accumulation, lipid peroxidation, transcript and protein expression levels of PANK2, mitochondrial ACP (mtACP), 4''-phosphopantetheinyl and lipoylated proteins, as well as pyruvate dehydrogenase (PDH) and Complex I activity were examined. RESULTS Treatment with α-LA was able to correct all pathological alterations in responsive mutant fibroblasts with residual PANK2 enzyme expression. However, α-LA had no effect on mutant fibroblasts with truncated/incomplete protein expression. The positive effect of α-LA in particular pathogenic variants was also confirmed in induced neurons derived from mutant fibroblasts. CONCLUSIONS Our results suggest that α-LA treatment can increase the expression levels of PANK2 and reverse the mutant phenotype in PANK2 responsive pathogenic variants. The existence of residual enzyme expression in some affected individuals raises the possibility of treatment using high dose of α-LA.
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Affiliation(s)
- Marta Talaverón-Rey
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-UPO), Universidad Pablo de Olavide, 41013, Seville, Spain
| | - Mónica Álvarez-Córdoba
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-UPO), Universidad Pablo de Olavide, 41013, Seville, Spain
| | - Irene Villalón-García
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-UPO), Universidad Pablo de Olavide, 41013, Seville, Spain
| | - Suleva Povea-Cabello
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-UPO), Universidad Pablo de Olavide, 41013, Seville, Spain
| | - Juan M Suárez-Rivero
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-UPO), Universidad Pablo de Olavide, 41013, Seville, Spain
| | - David Gómez-Fernández
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-UPO), Universidad Pablo de Olavide, 41013, Seville, Spain
| | - Ana Romero-González
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-UPO), Universidad Pablo de Olavide, 41013, Seville, Spain
| | - Alejandra Suárez-Carrillo
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-UPO), Universidad Pablo de Olavide, 41013, Seville, Spain
| | - Manuel Munuera-Cabeza
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-UPO), Universidad Pablo de Olavide, 41013, Seville, Spain
| | - Paula Cilleros-Holgado
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-UPO), Universidad Pablo de Olavide, 41013, Seville, Spain
| | - Diana Reche-López
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-UPO), Universidad Pablo de Olavide, 41013, Seville, Spain
| | - Rocío Piñero-Pérez
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-UPO), Universidad Pablo de Olavide, 41013, Seville, Spain
| | - José A Sánchez-Alcázar
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-UPO), Universidad Pablo de Olavide, 41013, Seville, Spain.
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Naomi R, Rusli RNM, Huat TS, Embong H, Bahari H, Kamaruzzaman MA. Early Intervention of Elateriospermum tapos Yoghurt in Obese Dams Mitigates Intergenerational Cognitive Deficits and Thigmotactic Behaviour in Male Offspring via the Modulation of Metabolic Profile. Nutrients 2023; 15:nu15061523. [PMID: 36986254 PMCID: PMC10052004 DOI: 10.3390/nu15061523] [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: 02/28/2023] [Revised: 03/19/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
Maternal obesity is an intergenerational vicious cycle and one of the primary causes of cognitive deficits and high anxiety levels in offspring, which often manifest independently of sex. It is proven that curbing the intergenerational inheritance of obesity through early intervention during the gestation period has a positive outcome on the body composition, cognitive function, and anxiety level of the offspring. A recent discovery shows that the consumption of Elateriospermum tapos (E. tapos) seed extract modulates body mass and ameliorates stress hormones in obese dams, while a probiotic bacterial strain can cross the placenta and boost a child's memory. Thus, we speculate that probiotics are the best medium to integrate plant extract (E. tapos extract) to access the effect on the child's cognition. Thus, this study aimed to investigate the early intervention of E. tapos yoghurt in obese dams in the cognition and anxiety levels of male offspring. In this study, 40 female rats were fed with a high-fat diet (HFD) to induce obesity before pregnancy, while another 8 rats were fed with standard rat pellets for 16 weeks. Upon successful copulation, treatment was initiated for the obese dams up to the postnatal day (PND) 21. The groups included normal chow and saline (NS), HFD and saline (HS), HFD and yoghurt (HY), HFD and 5 mg/kg E. tapos yoghurt (HYT5), HFD and 50 mg/kg E. tapos yoghurt (HYT50), and HFD and 500 mg/kg E. tapos yoghurt (HYT500). All rats were euthanised on PND 21, and the body mass index (BMI), Lee index, and waist circumference were measured for the male offspring. Hippocampal-dependent memory tests and open field tests were conducted to access for cognition and anxiety status. Fasting blood glucose (FBG), total fat (%), insulin, leptin, lipid profile, and antioxidant parameter on serum and hypothalamus (FRAP and GSH) were accessed on PND 21. The result shows male offspring of 50 mg/kg-supplemented obese dams have comparable total fat (%), lipid profile, insulin level, FBG level, plasma insulin level, recognition index, low anxiety level, and improved hypothalamic FRAP and GSH levels to the normal group. In conclusion, this study highlights that the effect of early intervention of our novel formulation of E. tapos yoghurt in obese dams alleviates cognitive deficits and anxiety in male offspring by modulating metabolic profiles at the dose of 50 mg/kg.
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Affiliation(s)
- Ruth Naomi
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang 43400, Malaysia
| | - Rusydatul Nabila Mahmad Rusli
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang 43400, Malaysia
| | - Teoh Soo Huat
- Advanced Medical and Dental Institute, Universiti Sains Malaysia, Penang 13200, Malaysia
| | - Hashim Embong
- Department of Emergency Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 50300, Malaysia
| | - Hasnah Bahari
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang 43400, Malaysia
| | - Mohd Amir Kamaruzzaman
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang 43400, Malaysia
- Department of Anatomy, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaacob Latiff, Cheras, Kuala Lumpur 56000, Malaysia
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Zhang J, Zhao Y, Zhang Y, Gao Y, Li S, Chang C, Gao X, Zhao J, Yang G. Alpha lipoic acid treatment in late middle age improves cognitive function: Proteomic analysis of the protective mechanisms in the hippocampus. Neurosci Lett 2023; 798:137098. [PMID: 36708754 DOI: 10.1016/j.neulet.2023.137098] [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: 12/14/2022] [Revised: 01/21/2023] [Accepted: 01/24/2023] [Indexed: 01/26/2023]
Abstract
Alpha lipoic acid (ALA), a powerful antioxidant, has the potential to relieve age-related cognitive impairment and neurodegenerative disease. Clinical randomized controlled studies have demonstrated the cognitive improvement effects of lipoic acid in Alzheimer's disease (AD). In the present study, we examined the effects of ALA on cognitive function in ageing mice and its protective mechanisms. Eighteen-month-old male C57BL6/J mice received ALA or normal saline for 2 months. The Morris water maze test revealed improved cognitive function in animals that received ALA. Furthermore, tandem Mass Tags (TMT) based liquid chromotography with mass spectrometry/mass spectrometry (LC-MS/MS) was established to identify the target proteins. The results showed that 10 proteins were changed significantly. Gene Ontology (GO) analysis indicated that the upregulated proteins were enriched in terminal bouton, synaptic transmission and lipid transporter activity while the down-regulated proteins were involved in nuclear transcription factor-κB binding, apoptosis and mitogen-activated protein kinase binding. Based on the GO results, two upregulated proteins oxysterol-binding protein-related protein 10 (OSBPL10) and oligophrenin 1 (OPHN1), and one downregulated protein, CDK5 regulatory subunit-associated protein 3 (CDK5rap3), were validated through Western blotting. The results were consistent with the proteomic results. Modulation of synaptic transmission, lipid transporter activity and neuroinflammation appears to be the mechanisms of ALA in the aged brain.
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Affiliation(s)
- Jian Zhang
- Department of Geriatrics, the Second Hospital of Hebei Medical University, Shijiazhuang 050000, China
| | - Yuan Zhao
- Department of Geriatrics, the Second Hospital of Hebei Medical University, Shijiazhuang 050000, China
| | - Yidan Zhang
- Department of Geriatrics, the Second Hospital of Hebei Medical University, Shijiazhuang 050000, China
| | - Ya Gao
- Department of Geriatrics, the Second Hospital of Hebei Medical University, Shijiazhuang 050000, China
| | - Shuyue Li
- Department of Geriatrics, the Second Hospital of Hebei Medical University, Shijiazhuang 050000, China
| | - Cui Chang
- Department of Geriatrics, the Second Hospital of Hebei Medical University, Shijiazhuang 050000, China
| | - Xuan Gao
- Department of Geriatrics, the Second Hospital of Hebei Medical University, Shijiazhuang 050000, China
| | - Jingru Zhao
- Department of Neurology, Hebei General Hospital, Shijiazhuang 050000, China
| | - Guofeng Yang
- Department of Geriatrics, the Second Hospital of Hebei Medical University, Shijiazhuang 050000, China.
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Gao J, Cui Y, Bao W, Hao Y, Piao X, Gu X. Ubiquitylome study reveals the regulatory effect of α-lipoic acid on ubiquitination of key proteins in tryptophan metabolism pathway of pig liver. Int J Biol Macromol 2023; 236:123795. [PMID: 36828089 DOI: 10.1016/j.ijbiomac.2023.123795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 02/16/2023] [Accepted: 02/17/2023] [Indexed: 02/24/2023]
Abstract
The decline in antioxidant defenses make it easily for human and animals to suffer from liver damage and diseases induced by oxidative stress, causing enormous losses to human health and livestock production. As one of the canonical protein post-translational modifications (PTMs), ubiquitination is widely involved in cell proliferation, apoptosis and damage/repair response, and is proven to be involved in the ability of mammals to resist oxidative stress. To explore whether α-lipoic acid (LA), a safe and efficient antioxidant, plays a role in regulating liver antioxidant status by PTMs, proteins in livers of pigs fed with LA were analyzed at the level of proteome and ubiquitylome. Based on proteome-wide enrichment of ubiquitination, a total of 7274 proteins were identified and 5326 were quantified, we also identified 1564 ubiquitination sites in 580 ubiquitinated proteins, among which there were 136 differentially ubiquitinated sites in 103 differentially ubiquitinated proteins upon LA. Further bioinformatics analysis showed that these differential proteins were mainly enriched in tryptophan metabolic pathway, and accompanied by significantly improvement of liver antioxidant capacity. We revealed the regulatory effect of LA on ubiquitination of kynurenine 3-monooxygenase (KMO) and other key proteins in tryptophan metabolism pathway of pig liver for the first time.
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Affiliation(s)
- Jie Gao
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yanjun Cui
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Weiguang Bao
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yue Hao
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xiangshu Piao
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Xianhong Gu
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
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Olson KR, Derry PJ, Kent TA, Straub KD. The Effects of Antioxidant Nutraceuticals on Cellular Sulfur Metabolism and Signaling. Antioxid Redox Signal 2023; 38:68-94. [PMID: 35819295 PMCID: PMC9885552 DOI: 10.1089/ars.2022.0077] [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: 06/20/2022] [Accepted: 06/23/2022] [Indexed: 02/03/2023]
Abstract
Significance: Nutraceuticals are ingested for health benefits, in addition to their general nutritional value. These dietary supplements have become increasingly popular since the late 20th century and they are a rapidly expanding global industry approaching a half-trillion U.S. dollars annually. Many nutraceuticals are promulgated as potent antioxidants. Recent Advances: Experimental support for the efficacy of nutraceuticals has lagged behind anecdotal exuberance. However, accumulating epidemiological evidence and recent, well-controlled clinical trials are beginning to support earlier animal and in vitro studies. Although still somewhat limited, encouraging results have been suggested in essentially all organ systems and against a wide range of pathophysiological conditions. Critical Issues: Health benefits of "antioxidant" nutraceuticals are largely attributed to their ability to scavenge oxidants. This has been criticized based on several factors, including limited bioavailability, short tissue retention time, and the preponderance of endogenous antioxidants. Recent attention has turned to nutraceutical activation of downstream antioxidant systems, especially the Keap1/Nrf2 (Kelch like ECH associated protein 1/nuclear factor erythroid 2-related factor 2) axis. The question now becomes, how do nutraceuticals activate this axis? Future Directions: Reactive sulfur species (RSS), including hydrogen sulfide (H2S) and its metabolites, are potent activators of the Keap1/Nrf2 axis and avid scavengers of reactive oxygen species. Evidence is beginning to accumulate that a variety of nutraceuticals increase cellular RSS by directly providing RSS in the diet, or through a number of catalytic mechanisms that increase endogenous RSS production. We propose that nutraceutical-specific targeting of RSS metabolism will lead to the design and development of even more efficacious antioxidant therapeutic strategies. Antioxid. Redox Signal. 38, 68-94.
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Affiliation(s)
- Kenneth R. Olson
- Department of Physiology, Indiana University School of Medicine—South Bend, South Bend, Indiana, USA
- Department of Biological Sciences, University of Notre Dame, Notre Dame, Indiana, USA
| | - Paul J. Derry
- Center for Genomics and Precision Medicine, Institute of Biosciences and Technology, Texas A&M Health Science Center, Houston, Texas, USA
| | - Thomas A. Kent
- Center for Genomics and Precision Medicine, Institute of Biosciences and Technology, Texas A&M Health Science Center, Houston, Texas, USA
- Department of Chemistry, Rice University, Houston, Texas, USA
- Stanley H. Appel Department of Neurology, Houston Methodist Hospital and Research Institute, Houston, Texas, USA
| | - Karl D. Straub
- Central Arkansas Veteran's Healthcare System, Little Rock, Arkansas, USA
- Department of Medicine and Biochemistry, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
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Collins AE, Saleh TM, Kalisch BE. VANL-100 Attenuates Beta-Amyloid-Induced Toxicity in SH-SY5Y Cells. Int J Mol Sci 2022; 24:ijms24010442. [PMID: 36613883 PMCID: PMC9820495 DOI: 10.3390/ijms24010442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 12/16/2022] [Accepted: 12/21/2022] [Indexed: 12/29/2022] Open
Abstract
Antioxidants are being explored as novel therapeutics for the treatment of neurodegenerative diseases such as Alzheimer's disease (AD) through strategies such as chemically linking antioxidants to synthesize novel co-drugs. The main objective of this study was to assess the cytoprotective effects of the novel antioxidant compound VANL-100 in a cellular model of beta-amyloid (Aβ)-induced toxicity. The cytotoxic effects of Aβ in the presence and absence of all antioxidant compounds were measured using the 3-(4,5-dimethylthiazol-2-yl)2-5-diphenyl-2H-tetrazolium bromide (MTT) assay in SH-SY5Y cells in both pre-treatment and co-treatment experiments. In pre-treatment experiments, VANL-100, or one of its parent compounds, naringenin (NAR), alpha-lipoic acid (ALA), or naringenin + alpha-lipoic acid (NAR + ALA), was administrated 24 h prior to an additional 24-h incubation with 20 μM non-fibril or fibril Aβ25-35. Co-treatment experiments consisted of simultaneous treatment with Aβ and antioxidants. Pre-treatment and co-treatment with VANL-100 significantly attenuated Aβ-induced cell death. There were no significant differences between the protective effects of VANL-100, NAR, ALA, and NAR + ALA with either form of Aβ, or in the effect of VANL-100 between 24-h pre-treatment and co-treatment. These results demonstrate that the novel co-drug VANL-100 is capable of eliciting cytoprotective effects against Aβ-induced toxicity.
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Patwa J, Thakur A, Flora SJS. Alpha Lipoic Acid and Monoisoamyl-DMSA Combined Treatment Ameliorates Copper-Induced Neurobehavioral Deficits, Oxidative Stress, and Inflammation. TOXICS 2022; 10:718. [PMID: 36548551 PMCID: PMC9785765 DOI: 10.3390/toxics10120718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/18/2022] [Accepted: 11/20/2022] [Indexed: 06/17/2023]
Abstract
Copper (Cu), being an essential trace metal, plays several roles in biological processes, though exposure to Cu can be potentially toxic to the brain and a few other soft organs. In the present study, we investigated the effects of the combined administration of monoisoamyl 2, 3-dimercaptosuccinic acid (MiADMSA), which is a new chelator, and alpha lipoic acid (ALA) and an antioxidant that is made naturally in the body and is also found in foods, against Cu-induced oxidative stress in rats. Rats were exposed to 20 mg/kg copper sulfate for 16 weeks once a day via the oral route. After 16 weeks of exposure, animals were divided into different sub-groups. Group I was divided into three subgroups: Group IA, control; Group IB, MiADMSA (75 mg/kg, oral); Group IC, ALA (75 mg/kg, oral), while Group II was divided into four subgroups: Group IIA, Cu pre-exposed; Group IIB, Cu+ MiADMSA; Group IIC, Cu+ ALA; Group IID, Cu+ ALA+ MiADMSA. Exposure to Cu led to significant neurobehavioral abnormalities; treatment with MiADMSA, and in particular MiADMSA + ALA, significantly ameliorated the neurobehavioral parameters and restored the memory deficits in rats. Oxidative stress variables (ROS, nitrite, TBARS, SOD, catalase) and inflammatory markers (TNF-α, and IL-1β), which were altered on Cu exposed rats, also responded favorably to ALA+ MiADMSA combined treatment. Thus, combined administration of MiADMSA and ALA might be a better treatment strategy than monotherapy with MiADMSA or ALA against Cu-induced neurotoxicity, particularly in reducing oxidative stress, neurobehavioral abnormalities, and inflammatory markers.
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Redox Active α-Lipoic Acid Differentially Improves Mitochondrial Dysfunction in a Cellular Model of Alzheimer and Its Control Cells. Int J Mol Sci 2022; 23:ijms23169186. [PMID: 36012451 PMCID: PMC9409376 DOI: 10.3390/ijms23169186] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/10/2022] [Accepted: 08/10/2022] [Indexed: 11/22/2022] Open
Abstract
Introduction: Alpha lipoic acid (ALA) is a sulphur-containing organic compound, derived from octanoic acid, and an important cofactor for mitochondrial respiratory enzymes. It has strong antioxidant properties that improve mitochondrial function. We investigated if ALA improves mitochondrial dysfunction in a cellular model of Alzheimer’s disease (AD). Methods: SH-SY5Y-APP695 cells were used as a model for an early stage of AD. Vector-transfected SH-SY5Y-MOCK cells served as controls. Using these cells, we investigated mitochondrial respiration (OXPHOS), mitochondrial membrane potential (MMP), adenosine triphosphate (ATP) production, and citrate synthase activity (CS) in cells treated with ALA. Cells were treated for 24 h with different concentrations of ALA and with or without the complex I inhibitor rotenone. Results: Incubation with ALA showed a significant increase in ATP levels in both SH-SY5Y-APP695 and SH-SY5Y-MOCK cells. MMP levels were elevated in SH-SY5Y-MOCK cells, treatment with rotenone showed a reduction in MMP, which could be partly alleviated after incubation with ALA in SH-SY5Y-MOCK cells. ALA treatment showed significant differences in respiration chain complex activities in SH-SY5Y-MOCK cells. Citrate synthase activity was unaffected. ROS levels were significantly lower in both cell lines treated with ALA. Conclusions: ALA increased the activity of the different complexes of the respiratory chain, and consequently enhanced the MMP, leading to increased ATP levels indicating improved mitochondrial function. ALA only marginally protects from additional rotenone-induced mitochondrial stress.
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Maurya SK, Gupta S, Bakshi A, Kaur H, Jain A, Senapati S, Baghel MS. Targeting mitochondria in the regulation of neurodegenerative diseases: A comprehensive review. J Neurosci Res 2022; 100:1845-1861. [PMID: 35856508 DOI: 10.1002/jnr.25110] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 06/21/2022] [Accepted: 07/09/2022] [Indexed: 11/09/2022]
Abstract
Mitochondria are one of the essential cellular organelles. Apart from being considered as the powerhouse of the cell, mitochondria have been widely known to regulate redox reaction, inflammation, cell survival, cell death, metabolism, etc., and are implicated in the progression of numerous disease conditions including neurodegenerative diseases. Since brain is an energy-demanding organ, mitochondria and their functions are important for maintaining normal brain homeostasis. Alterations in mitochondrial gene expression, mutations, and epigenetic modification contribute to inflammation and neurodegeneration. Dysregulation of reactive oxygen species production by mitochondria and aggregation of proteins in neurons leads to alteration in mitochondria functions which further causes neuronal death and progression of neurodegeneration. Pharmacological studies have prioritized mitochondria as a possible drug target in the regulation of neurodegenerative diseases. Therefore, the present review article has been intended to provide a comprehensive understanding of mitochondrial role in the development and progression of neurodegenerative diseases mainly Alzheimer's, Parkinson's, multiple sclerosis, and amyotrophic lateral sclerosis followed by possible intervention and future treatment strategies to combat mitochondrial-mediated neurodegeneration.
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Affiliation(s)
| | - Suchi Gupta
- Stem Cell Facility, All India Institute of Medical Sciences, Delhi, India
| | - Amrita Bakshi
- Department of Zoology, University of Delhi, Delhi, India
| | - Harpreet Kaur
- Department of Zoology, University of Delhi, Delhi, India.,Division of Infectious Disease, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Arushi Jain
- Immunogenomics Laboratory, Department of Human Genetics & Molecular Medicine, Central University of Punjab, Bathinda, India
| | - Sabyasachi Senapati
- Immunogenomics Laboratory, Department of Human Genetics & Molecular Medicine, Central University of Punjab, Bathinda, India
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Investigation of DHA-Induced Regulation of Redox Homeostasis in Retinal Pigment Epithelium Cells through the Combination of Metabolic Imaging and Molecular Biology. Antioxidants (Basel) 2022; 11:antiox11061072. [PMID: 35739970 PMCID: PMC9219962 DOI: 10.3390/antiox11061072] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 05/23/2022] [Accepted: 05/26/2022] [Indexed: 12/13/2022] Open
Abstract
Diabetes-induced oxidative stress leads to the onset of vascular complications, which are major causes of disability and death in diabetic patients. Among these, diabetic retinopathy (DR) often arises from functional alterations of the blood-retinal barrier (BRB) due to damaging oxidative stress reactions in lipids, proteins, and DNA. This study aimed to investigate the impact of the ω3-polyunsaturated docosahexaenoic acid (DHA) on the regulation of redox homeostasis in the human retinal pigment epithelial (RPE) cell line (ARPE-19) under hyperglycemic-like conditions. The present results show that the treatment with DHA under high-glucose conditions activated erythroid 2-related factor Nrf2, which orchestrates the activation of cellular antioxidant pathways and ultimately inhibits apoptosis. This process was accompanied by a marked increase in the expression of NADH (Nicotinamide Adenine Dinucleotide plus Hydrogen) Quinone Oxidoreductase 1 (Nqo1), which is correlated with a contextual modulation and intracellular re-organization of the NAD+/NADH redox balance. This investigation of the mechanisms underlying the impairment induced by high levels of glucose on redox homeostasis of the BRB and the subsequent recovery provided by DHA provides both a powerful indicator for the detection of RPE cell impairment as well as a potential metabolic therapeutic target for the early intervention in its treatment.
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Alpha lipoic acid reverses scopolamine-induced spatial memory loss and pyramidal cell neurodegeneration in the prefrontal cortex of Wistar Rats. IBRO Neurosci Rep 2022; 13:1-8. [PMID: 35664083 PMCID: PMC9157193 DOI: 10.1016/j.ibneur.2022.05.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 05/15/2022] [Indexed: 11/22/2022] Open
Abstract
Neurodegenerative disorders are linked to oxidative tissue damage characterized by gradual loss of cognitive functions and neuronal cells. Alpha-lipoic acid (AHA) has a strong antioxidant property. Scopolamine is an anti-muscarinic agent used to study the mechanism of memory loss in an animal model. This study is aimed at evaluating the antioxidant role of alpha lipoic acid in reversing scopolamine induced memory loss and neurodegenerative process in the prefrontal cortex of Wistar rats. Twenty adult male Wistar rats used were divided into four groups (n = 5): Group 1 received vehicle (Control), Group 2 had scopolamine (1 mg/kg, i.p) for 4 days, Group 3 received AHA (200 mg/kg, p.o) for 10 days while Group 4 were pretreated with scopolamine (1 mg/kg, i.p) for 4 days followed by oral administration of 200 mg/kg of AHA for 10 days. The rats were subjected to Y-maze test to assess their spatial memory. The rats were euthanized, the prefrontal area was excised and fixed in 10% formol-calcium and processed for Haematoxylin and Eosin, Cresyl fast violet for Nissl Bodies (Ribosome), and Glial Fibrillary Acidic Protein (GFAP) stains. Scopolamine caused a significant decline in spatial working memory, prefrontal neuron cell loss, and increased proliferation of reactive astrocytes (astrogliosis) when compared with the control and AHA treated group. AHA process of reversing scopolamine-induced memory deficit, prefrontal neuron cell loss, and generation of reactive astrocytes (astrogliosis) is mediated by its antioxidant mediated positive modulation of astrocyte-neuronal interaction during neuroinflammation in response to oxidative tissue damage.
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Khan H, Singh TG, Dahiya RS, Abdel-Daim MM. α-Lipoic Acid, an Organosulfur Biomolecule a Novel Therapeutic Agent for Neurodegenerative Disorders: An Mechanistic Perspective. Neurochem Res 2022; 47:1853-1864. [PMID: 35445914 DOI: 10.1007/s11064-022-03598-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 03/31/2022] [Accepted: 04/02/2022] [Indexed: 10/18/2022]
Abstract
Lipoic acid (α-LA) (1,2-dithiolane3-pentanoic acid (C8H14O2S2) is also called thioctic acid with an oxidized (disulfide, LA) and a reduced (di-thiol: dihydro-lipoic acid, DHLA) form of LA. α-LA is a potent anti-oxidative agent that has a significant potential to treat neurodegenerative disorders. α-LA is both hydrophilic and hydrophobic in nature. It is widely distributed in plants and animals in cellular membranes and in the cytosol, which is responsible for LA's action in both the cytosol and plasma membrane. A systematic literature review of Bentham, Scopus, PubMed, Medline, and EMBASE (Elsevier) databases was carried out to understand the Nature and mechanistic interventions of the α-Lipoic acid for central nervous system diseases. Moreover, α-LA readily crosses the blood-brain barrier, which is a significant factor for CNS activities. The mechanisms of α-LA reduction are highly tissue-specific. α-LA produces its neuroprotective effect by inhibiting reactive oxygen species formation and neuronal damage, modulating protein levels, and promoting neurotransmitters and anti-oxidant levels. Hence, the execution of α-LA as a therapeutic ingredient in the therapy of neurodegenerative disorders is promising. Finally, based on evidence, it can be concluded that α-LA can prevent diseases related to the nervous system.
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Affiliation(s)
- Heena Khan
- Chitkara College of Pharmacy, Chitkara University, 140401, Punjab, India
| | | | | | - Mohamed M Abdel-Daim
- Department of Pharmaceutical Sciences, Pharmacy Program, Batterjee Medical College, P.O. Box 6231, 21442, Jeddah, Saudi Arabia.,Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, 41522, Ismailia, Egypt
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18
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Encapsulation of Alpha-Lipoic Acid in Functional Hybrid Liposomes: Promising Tool for the Reduction of Cisplatin-Induced Ototoxicity. Pharmaceuticals (Basel) 2022; 15:ph15040394. [PMID: 35455391 PMCID: PMC9030957 DOI: 10.3390/ph15040394] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/11/2022] [Accepted: 03/23/2022] [Indexed: 01/27/2023] Open
Abstract
In this study, in order to address the drawback of cisplatin (CDDP)-induced ototoxicity, we propose a straightforward strategy based on the delivery of a sulfur-based antioxidant, such as lipoic acid (LA), to HEI-OC1 cells. To this aim, hybrid liposomes (LA@PCGC) with a spherical shape and a mean diameter of 25 nm were obtained by direct sonication of LA, phosphatidylcholine and a gelatin-curcumin conjugate in a physiological buffer. LA@PCGC were found to be stable over time, were quickly (i.e., by 1 h) taken up by HEI-OC1 cells, and guaranteed strong retention of the bioactive molecule, since LA release was less than 20%, even after 100 h. Cell viability studies showed the efficiency of LA@PCGC for stabilizing the protective activity of LA. Curcumin residues within the functional liposomes were indeed able to maintain the biological activity of LA, significantly improving (up to 2.19-fold) the viability of HEI-OC1 cells treated with 5 μM CDDP. Finally, LA@PCGC was incorporated within an alginate-based injectable hydrogel carrier to create a formulation with physical chemical features suitable for potential ear applications.
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Najafi N, Mehri S, Ghasemzadeh Rahbardar M, Hosseinzadeh H. Effects of alpha lipoic acid on metabolic syndrome: A comprehensive review. Phytother Res 2022; 36:2300-2323. [PMID: 35234312 DOI: 10.1002/ptr.7406] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 01/22/2022] [Accepted: 01/26/2022] [Indexed: 12/13/2022]
Abstract
Metabolic syndrome (MetS) is a multifactorial disease with medical conditions such as hypertension, diabetes, obesity, dyslipidemia, and insulin resistance. Alpha-lipoic acid (α-LA) possesses various pharmacological effects, including antidiabetic, antiobesity, hypotensive, and hypolipidemia actions. It exhibits reactive oxygen species scavenger properties against oxidation and age-related inflammation and refines MetS components. Also, α-LA activates the 5' adenosine monophosphate-activated protein kinase and inhibits the NFκb. It can decrease cholesterol biosynthesis, fatty acid β-oxidation, and vascular stiffness. α-LA decreases lipogenesis, cholesterol biosynthesis, low-density lipoprotein and very low-density lipoprotein levels, and atherosclerosis. Moreover, α-LA increases insulin secretion, glucose transport, and insulin sensitivity. These changes occur via PI3K/Akt activation. On the other hand, α-LA treats central obesity by increasing adiponectin levels and mitochondrial biogenesis and can reduce food intake mainly by SIRT1 stimulation. In this review, the most relevant articles have been discussed to determine the effects of α-LA on different components of MetS with a special focus on different molecular mechanisms behind these effects. This review exhibits the potential properties of α-LA in managing MetS; however, high-quality studies are needed to confirm the clinical efficacy of α-LA.
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Affiliation(s)
- Nahid Najafi
- Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmacodynamics and Toxicology, School Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Soghra Mehri
- Department of Pharmacodynamics and Toxicology, School Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Hossein Hosseinzadeh
- Department of Pharmacodynamics and Toxicology, School Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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20
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Staykov H, Lazarova M, Hassanova Y, Stefanova M, Tancheva L, Nikolov R. Neuromodulatory Mechanisms of a Memory Loss-Preventive Effect of Alpha-Lipoic Acid in an Experimental Rat Model of Dementia. J Mol Neurosci 2022; 72:1018-1025. [PMID: 35174445 DOI: 10.1007/s12031-022-01979-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Accepted: 01/21/2022] [Indexed: 12/01/2022]
Abstract
This study evaluates some of the neuromodulatory mechanisms of the memory loss preventive effect of alpha-lipoic acid (ALA) in a scopolamine (Sco)-induced rat model of Alzheimer's disease (AD) type dementia. Our results confirmed that Sco administration induces significant memory impairment, worsens exploratory behaviour and habituation, increases acetylcholinesterase (AChE) activity, and induces pathological monoamine content changes in the prefrontal cortex and hippocampus. ALA administration largely prevented Sco-induced memory impairment. It also improved exploratory behaviour and preserved habituation, and it decreased AChE activity, reversing it to control group levels, and corrected aberrant monoamine levels in the prefrontal cortex and hippocampus. According to the data available, this is the first time that ALA-induced changes in AChE and monoamine levels in the prefrontal cortex and hippocampus (brain structures related to learning and memory) have been demonstrated in a Sco-induced rat model of AD type dementia.
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Affiliation(s)
- Hristian Staykov
- Department of Pharmacology and Toxicology, Faculty of Medicine, Medical University of Sofia, 2 Zdrave St, 1431, Sofia, Bulgaria
| | - Maria Lazarova
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. Georgi Bonchev St, 1113, Sofia, Bulgaria.
| | - Yozljam Hassanova
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. Georgi Bonchev St, 1113, Sofia, Bulgaria
| | - Miroslava Stefanova
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. Georgi Bonchev St, 1113, Sofia, Bulgaria
| | - Lyubka Tancheva
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. Georgi Bonchev St, 1113, Sofia, Bulgaria
| | - Rumen Nikolov
- Department of Pharmacology and Toxicology, Faculty of Medicine, Medical University of Sofia, 2 Zdrave St, 1431, Sofia, Bulgaria
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21
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Effect of add-on alpha lipoic acid on psychopathology in patients with treatment-resistant schizophrenia: a pilot randomized double-blind placebo-controlled trial. Psychopharmacology (Berl) 2022; 239:3525-3535. [PMID: 36069950 PMCID: PMC9449282 DOI: 10.1007/s00213-022-06225-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 08/25/2022] [Indexed: 11/16/2022]
Abstract
RATIONALE Alpha lipoic acid is known to reverse NMDA receptor hypofunction in addition to dopamine receptor blockade activity. It also enhances neurotrophic factors and has antioxidant potential. These properties combined together may be beneficial for treatment-resistant schizophrenia (TRS). OBJECTIVES This study evaluates the effect of alpha lipoic acid (ALA) on psychopathological scores (positive, negative, cognitive), neurotrophic factors and oxidative stress in TRS. METHODS A pilot randomized double-blind placebo-controlled parallel design trial was conducted in 20 patients with TRS. After initial screening, participants were randomized into test (add-on ALA) and control (add-on placebo) groups. After recruitment, clinical evaluations with scale for assessment of positive symptoms and negative symptoms (SAPS and SANS), schizophrenia cognitive rating scale (SCoRS), UKU side effect rating scale were done. Serum levels of BDNF, MDA, and GSH were estimated. Patients were followed up for 8 weeks, and clinical and biochemical evaluations were repeated. Adherence to medication was evaluated at follow-up. RESULTS A significantly greater improvement was found in SANS score in the test group when compared to control (Mann-Whitney U = 17.0; p = 0.021), whereas there was no significant improvement in SAPS score (Mann-Whitney U = 41.5; p = 0.780). A significant increase in BDNF levels was observed in the control group when compared to ALA (U = 20.0; p = 0.041). No significant differences were found between the test and control groups in serum MDA (U = 30.0; p = 0.221), serum GSH (U = 40.0; p = 0.683), and medication adherence rating scale (MARS) scores (U = 44.0; p = 0.934). CONCLUSIONS ALA supplementation improved psychopathology and decreased oxidative stress in patients with TRS. This study thus shows the potential of adjunctive ALA in TRS. TRIAL REGISTRATION The study was prospectively registered in Clinical Trial Registry of India (CTRI/2020/03/023707 dated 02.03.2020).
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22
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Javaid MS, Antonic-Baker A, Pitsillou E, Liang J, French C, Hung A, O'Brien TJ, Kwan P, Karagiannis TC, Anderson A. Alpha-lipoic acid analogues in the regulation of redox balance in epilepsy: A molecular docking and simulation study. J Mol Graph Model 2021; 112:108116. [PMID: 35026665 DOI: 10.1016/j.jmgm.2021.108116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 10/07/2021] [Accepted: 12/22/2021] [Indexed: 10/19/2022]
Abstract
OBJECTIVE Oxidative stress is one of the pathophysiological mechanisms implicated in drug-resistant epilepsy. Recurrent seizures and prolonged treatment with anti-seizure medicines (ASMs) can produce reactive oxygen species (ROS) resulting in neuronal cell damage, cell toxicity, and cell death. This damage may contribute to the loss of efficacy of anti-seizure medicines. Add-on therapy with antioxidants, neuroimmunophilins, and polyphenols may thus be beneficial in drug-resistant epilepsy. In vitro and in vivo studies have shown a significant improvement in drug efficacy and seizure suppression using co-treatment of anti-seizure medication with naturally available antioxidants including alpha-lipoic acid (α-lipoic acid) from walnut; however, the underlying mechanisms of action remain to be fully understood. METHODS We undertook molecular docking and molecular dynamics simulations to determine whether alpha-lipoic acid and related analogues interacted with the human manganese superoxide dismutase (MnSOD) protein, a member of the oxidative metabolic pathway. The 3D structure of the compounds and the protein were retrieved from protein and chemical databases, binding sites were identified and ligand-protein interactions were performed. RESULTS Alpha-lipoic acid and various analogues docked within a human MnSOD binding region. Docking results were validated by molecular dynamic simulation. The CMX-2043 analogue showed strong binding with MnSOD compared to alpha-lipoic acid and other analogues. SIGNIFICANCE Our findings provide new insights into additional mechanisms of action, which may in part, account for the antioxidant properties associated with alpha-lipoic acid and related analogues. The results support further in vitro and in vivo evaluation of these compounds to better understand their potential as add-on therapy for ASM treatment in epilepsy.
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Affiliation(s)
- Muhammad Shahid Javaid
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia
| | - Ana Antonic-Baker
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia
| | - Eleni Pitsillou
- Epigenomic Medicine, Department of Diabetes, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia; School of Science, STEM College, RMIT University, VIC, 3001, Australia
| | - Julia Liang
- Epigenomic Medicine, Department of Diabetes, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia; School of Science, STEM College, RMIT University, VIC, 3001, Australia
| | - Chris French
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia
| | - Andrew Hung
- School of Science, STEM College, RMIT University, VIC, 3001, Australia
| | - Terence J O'Brien
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia
| | - Patrick Kwan
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia
| | - Tom C Karagiannis
- Epigenomic Medicine, Department of Diabetes, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia; Department of Clinical Pathology, The University of Melbourne, Parkville, VIC, 3052, Australia
| | - Alison Anderson
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia.
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23
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Demirci-Çekiç S, Özkan G, Avan AN, Uzunboy S, Çapanoğlu E, Apak R. Biomarkers of Oxidative Stress and Antioxidant Defense. J Pharm Biomed Anal 2021; 209:114477. [PMID: 34920302 DOI: 10.1016/j.jpba.2021.114477] [Citation(s) in RCA: 115] [Impact Index Per Article: 38.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 10/27/2021] [Accepted: 11/11/2021] [Indexed: 12/13/2022]
Abstract
A number of reactive oxygen and nitrogen species are produced during normal metabolism in human body. These species can be both radical and non-radical and have varying degrees of reactivity. Although they have some important functions in the human body, such as contributing to signal transmission and the immune system, their presence must be balanced by the antioxidant defense system. The human body has an excellent intrinsic enzymatic antioxidant system in addition to different non-enzymatic antioxidants having small molecular masses. An extrinsic source of antioxidants are foodstuffs such as fruits, vegetables, herbs and spices, mostly rich in polyphenols. When the delicate biochemical balance between oxidants and antioxidants is disturbed in favor of oxidants, "oxidative stress" conditions emerge, under which reactive species can cause oxidative damage to biomacromolecules such as proteins, carbohydrates, lipids and DNA. This oxidative damage is often associated with cancer, aging, and neurodegenerative disorders. Because reactive species are extremely short-lived, it is almost impossible to measure their concentrations directly. Although there are certain methods such as ESR / EPR that serve this purpose, they have some disadvantages and are quite costly systems. Therefore, products generated from oxidative damage of proteins, lipids and DNA are often used to quantify the extent of oxidative damage rather than direct measurement of reactive species. These oxidative damage products are usually known as biomarkers. Determination of the concentrations of these biomarkers and changes in the concentration of protective antioxidants can provide useful information for avoiding certain diseases and keep healthy conditions.
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Affiliation(s)
- Sema Demirci-Çekiç
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpasa, Avcilar, 34320 Istanbul, Turkey
| | - Gülay Özkan
- Department of Food Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical Uviversity, Istanbul, Turkey
| | - Aslı Neslihan Avan
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpasa, Avcilar, 34320 Istanbul, Turkey
| | - Seda Uzunboy
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpasa, Avcilar, 34320 Istanbul, Turkey
| | - Esra Çapanoğlu
- Department of Food Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical Uviversity, Istanbul, Turkey.
| | - Reşat Apak
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpasa, Avcilar, 34320 Istanbul, Turkey; Turkish Academy of Sciences (TUBA), Vedat Dalokay St. No. 112, Cankaya, 06670 Ankara, Turkey.
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24
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Abdel-Aziz N, Elkady AA, Elgazzar EM. Effect of Low-Dose Gamma Radiation and Lipoic Acid on High- Radiation-Dose Induced Rat Brain Injuries. Dose Response 2021; 19:15593258211044845. [PMID: 34759786 PMCID: PMC8573698 DOI: 10.1177/15593258211044845] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Accepted: 08/17/2021] [Indexed: 12/04/2022] Open
Abstract
Aim This work aims to investigate the possible radio-adaptive mechanisms induced by low-dose (LD) whole-body γ-irradiation alone or combined with alpha-lipoic acid (ALA) administration in modulating high-dose (HD) head irradiation–induced brain injury in rats. Materials and Methods Rats were irradiated with LD (.25 Gy) 24 hours prior HD (20 Gy), and subjected to ALA (100 mg/kg/day) 5 minutes after HD and continued for 10 days. At the end of the experiment, animals were sacrificed and brain samples were dissected for biochemical and histopathological examinations. Results HD irradiation-induced brain injury as manifested by elevation of oxidative stress, DNA damage, apoptotic, and inflammatory markers in brain tissue. Histological examination of brain sections showed marked alterations. However, LD alone or combined with ALA ameliorated the changes induced by HD. Conclusion Under the present experimental conditions, LD whole-body irradiation exhibited neuroprotective activity against detrimental effects of a subsequent HD head irradiation. This effect might be due to the adaptive response induced by LD that activated the anti-oxidative, anti-apoptotic, and anti-inflammatory mechanisms in the affected animals making them able to cope with the subsequent high-dose exposure. However, the combined LD exposure and ALA supplementation produced a further modulating effect in the HD-irradiated rats.
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Affiliation(s)
- Nahed Abdel-Aziz
- Radiation Biology Research Department, National Centre for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt
| | - Ahmed A Elkady
- Ahmed A. Elkady: Health Radiation Research Department, National Centre for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt
| | - Eman M Elgazzar
- Ahmed A. Elkady: Health Radiation Research Department, National Centre for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt
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25
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Kaur D, Behl T, Sehgal A, Singh S, Sharma N, Chigurupati S, Alhowail A, Abdeen A, Ibrahim SF, Vargas-De-La-Cruz C, Sachdeva M, Bhatia S, Al-Harrasi A, Bungau S. Decrypting the potential role of α-lipoic acid in Alzheimer's disease. Life Sci 2021; 284:119899. [PMID: 34450170 DOI: 10.1016/j.lfs.2021.119899] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 08/18/2021] [Accepted: 08/19/2021] [Indexed: 12/20/2022]
Abstract
Alzheimer's disease (AD) is one of the most prevalent neurodegenerative diseases with motor disturbances, cognitive decline, and behavioral impairment. It is characterized by the extracellular aggregation of amyloid-β plaques and the intracellular accumulation of tau protein. AD patients show a cognitive decline, which has been associated with oxidative stress, as well as mitochondrial dysfunction. Alpha-lipoic acid (α-LA), a natural antioxidant present in food and used as a dietary supplement, has been considered a promising agent for the prevention or treatment of neurodegenerative disorders. Despite multiple preclinical studies indicating beneficial effects of α-LA in memory functioning, and pointing to its neuroprotective effects, to date only a few studies have examined its effects in humans. Studies performed in animal models of memory loss associated with aging and AD have shown that α-LA improves memory in a variety of behavioral paradigms. Furthermore, molecular mechanisms underlying α-LA effects have also been investigated. Accordingly, α-LA shows antioxidant, antiapoptotic, anti-inflammatory, glioprotective, metal chelating properties in both in vivo and in vitro studies. In addition, it has been shown that α-LA reverses age-associated loss of neurotransmitters and their receptors. The review article aimed at summarizing and discussing the main studies investigating the neuroprotective effects of α-LA on cognition as well as its molecular effects, to improve the understanding of the therapeutic potential of α-LA in patients suffering from neurodegenerative disorders, supporting the development of clinical trials with α-LA.
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Affiliation(s)
- Dapinder Kaur
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Tapan Behl
- Chitkara College of Pharmacy, Chitkara University, Punjab, India.
| | - Aayush Sehgal
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Sukhbir Singh
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Neelam Sharma
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Sridevi Chigurupati
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, Qassim University, Buraidah, Saudi Arabia
| | - Ahmed Alhowail
- Department of Pharmacology and Toxicology, College of Pharmacy, Qassim University, Buraidah, Saudi Arabia
| | - Ahmed Abdeen
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Benha University, Toukh, Egypt; Center of Excellence for Screening of Environmental Contaminants, Benha University, Toukh, Egypt
| | - Samah F Ibrahim
- Clinical Sciences Department, College of Medicine, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia; Forensic Medicine and Clinical Toxicology Department, College of Medicine, Cairo University, Cairo, Egypt
| | - Celia Vargas-De-La-Cruz
- Faculty of Pharmacy and Biochemistry, Academic Department of Pharmacology, Bromatology and Toxicology, Centro Latinoamericano de Ensenanza e Investigacion en Bacteriologia Alimentaria, Universidad Nacinol Mayor de San Marcos, Lima, Peru; E-Health Research Center, Universidad de Ciencias y Humanidades, Lima, Peru
| | - Monika Sachdeva
- Fatima College of Health Sciences, Alain, United Arab Emirates
| | - Saurabh Bhatia
- Natural & Medical Sciences Research Center, University of Nizwa, Nizwa, Oman; School of Health Science, University of Petroleum and Energy Studies, Dehradun, Uttarakhand, India
| | - Ahmed Al-Harrasi
- Natural & Medical Sciences Research Center, University of Nizwa, Nizwa, Oman
| | - Simona Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
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26
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Li X, Zou Y, Fu YY, Xing J, Wang KY, Wan PZ, Zhai XY. A-Lipoic Acid Alleviates Folic Acid-Induced Renal Damage Through Inhibition of Ferroptosis. Front Physiol 2021; 12:680544. [PMID: 34630132 PMCID: PMC8493959 DOI: 10.3389/fphys.2021.680544] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Accepted: 08/20/2021] [Indexed: 01/31/2023] Open
Abstract
Folic acid (FA)-induced acute kidney injury (AKI) is characterized by the disturbance of redox homeostasis, resulting in massive tubular necrosis and inflammation. Α-lipoic acid (LA), as an antioxidant, has been reported to play an important role in renal protection, but the underlying mechanism remains poorly explored. The aim of this study is to investigate the protective effect of LA on FA-induced renal damage. Our findings showed that LA could ameliorate renal dysfunction and histopathologic damage induced by FA overdose injection. Moreover, FA injection induced severe inflammation, indicated by increased release of pro-inflammatory cytokines tumor necrosis factor (TNF)-α and IL-1β, as well as infiltration of macrophage, which can be alleviated by LA supplementation. In addition, LA not only reduced the cellular iron overload by upregulating the expressions of Ferritin and ferroportin (FPN), but also mitigated reactive oxygen species (ROS) accumulation and lipid peroxidation by increasing the levels of antioxidant glutathione (GSH) and glutathione peroxidase-4 (GPX4). More importantly, we found that LA supplementation could reduce the number of Terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL)-positive tubular cells caused by FA, indicating that the tubular cell death mediated by ferroptosis may be inhibited. Further study demonstrated that LA supplementation could reverse the decreased expression of cystine/glutamate antiporter xCT (SLC7A11), which mediated GSH synthesis. What is more, mechanistic study indicated that p53 activation was involved in the inhibitory effect of SLC7A11 induced by FA administration, which could be suppressed by LA supplementation. Taken together, our findings indicated that LA played the protective effect on FA-induced renal damage mainly by inhibiting ferroptosis.
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Affiliation(s)
- Xue Li
- Department of Histology and Embryology, Basic Medical College, China Medical University, Shenyang, China.,Department of Nephrology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yu Zou
- Department of Histology and Embryology, Basic Medical College, China Medical University, Shenyang, China
| | - Yuan-Yuan Fu
- Department of Histology and Embryology, Basic Medical College, China Medical University, Shenyang, China
| | - Jia Xing
- Department of Histology and Embryology, Basic Medical College, China Medical University, Shenyang, China
| | - Kai-Yue Wang
- Department of Histology and Embryology, Basic Medical College, China Medical University, Shenyang, China
| | - Peng-Zhi Wan
- Department of Nephrology, First Affiliated Hospital of China Medical University, Shenyang, China
| | - Xiao-Yue Zhai
- Department of Histology and Embryology, Basic Medical College, China Medical University, Shenyang, China.,Institute of Nephropathology, China Medical University, Shenyang, China
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27
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Alpha lipoic acid ameliorates detrimental effects of maternal lipopolysaccharides exposure on prefrontal white matter in adult male offspring rats. J Chem Neuroanat 2021; 118:102038. [PMID: 34610418 DOI: 10.1016/j.jchemneu.2021.102038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 09/30/2021] [Accepted: 09/30/2021] [Indexed: 11/21/2022]
Abstract
BACKGROUND Activation of the maternal immune system by lipopolysaccharide (LPS) increases the production of proinflammatory cytokines, free radicals, and reactive oxygen species (ROS), all of which play a significant role in the pathogenesis of many offspring neurodevelopmental disorders. Alpha Lipoic Acid (ALA) is a natural compound that has anti-inflammatory and antioxidant properties. This study was performed to assess the effect of prenatal exposure to LPS on the prefrontal white matter of rat offspring and evaluate the potential protective effects of ALA co-administration during pregnancy. METHODS Pregnant Wistar rats were randomly divided into six groups (n = 6 each group): (1) control, (2) received LPS (100 μg/kg, intraperitoneally (IP) on gestational day 9.5 (GD 9.5), (3) received ALA (20 mg/kg) from GD1 to GD11, (4) LPS+ALA received LPS on GD9.5 and ALA from GD1 to GD11, (5 and 6) received LPS and ALA vehicle respectively. In each group, 21-day old male offspring (2 male pups from each mother) was harvested, and then their prefrontal white matter was separated and prepared for the ultrastructural, stereological, and molecular assays. RESULTS In utero exposure to LPS led to a significant decrease in nerve cell counts, ultrastructural alterations in myelinated axons, and abnormal changes in genes expression of Sox10,Olig1,yrf,Wnt in the prefrontal of the rat offspring. Co-administration of ALA resulted in amelioration of those abnormal changes in the LPS rat offspring. CONCLUSION The findings of our preclinical study, explore that prenatal ALA treatment efficiently protects the nervous system against LPS induced abnormal changes in the offspring.
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Memudu AE, Adewumi AE. Alpha lipoic acid ameliorates scopolamine induced memory deficit and neurodegeneration in the cerebello-hippocampal cortex. Metab Brain Dis 2021; 36:1729-1745. [PMID: 34021876 DOI: 10.1007/s11011-021-00720-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 03/17/2021] [Indexed: 10/21/2022]
Abstract
Scopolamine- induced memory loss is used to study new drug discovery in Alzheimer's disease (AD) pathogenesis. This study was aimed at evaluating the role of an antioxidant supplement alpha-lipoic acid (AHA), in ameliorating the oxidative damaging effects of scopolamine on cognition, memory, and the neurohistology of the cerebello-hippocampal cortex. Twenty adult male Wistar rats used were categorized into four (4) groups (n = 5): Group A- Control, Group B- 200 mg/kg of AHA, Group C- Scopolamine (memory-impaired model), and Group D- Neurodegenerative repair model (Scopolamine + AHA). The treatment lasted for fourteen (14) days. Y-maze and hang-wire (limb use test) were used as behavioural index to assess memory and motor function while brain tissues were processed for histology (H and E stain), histochemistry using Cresyl Fast violet stain for Nissl bodies, and immunohistochemistry of astrocytes using glial fibrillary acidic protein (GFAP). Results showed that scopolamine led to a decline in brain weight, impaired memory and motor function, induced oxidative tissue damage cumulating in loss of neuronal cells, chromatolysis, the proliferation of reactive astrocytes (neuroinflammation biomarker) in the cerebello-hippocampal cortex; but upon administration of AHA these neuropathological characterizations were inhibited and reversed by AHA demonstrating its antioxidant and neuro- repair potential. In conclusion, AHA is a useful therapeutic agent against scopolamine-induced cognitive and memory deficit because it has the ability to ameliorate oxidative tissue damage by attenuating reactive astrocytes proliferation and neuron chromatolysis thereby improving memory and motor function.
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Affiliation(s)
- Adejoke Elizabeth Memudu
- Department of Anatomy Faculty of Basic Medical Science, College of Medical Sciences, Edo University, KM 7 Auchi-Abuja Road Iyamho-Uzairue, P.M.B 04, Auchi, Zip Code 312102, Nigeria.
| | - Abosede Esther Adewumi
- Department of Anatomy, Faculty of Basic Medical Sciences, College of Medicine, Bingham University, P.M.B 005, Karu, Nassarawa State, Nigeria
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Esin RG, Khairullin IK, Esin OR. [Diabetic encephalopathy: current insights and potential therapeutic strategies]. Zh Nevrol Psikhiatr Im S S Korsakova 2021; 121:49-54. [PMID: 34460157 DOI: 10.17116/jnevro202112107149] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
OBJECTIVE To study the effect of alpha-lipoic acid (ALA) on cognitive functions in patients with non-insulin dependent diabetes mellitus type 2 (DM-2) and thick fiber polyneuropathy. MATERIAL AND METHODS The MoCA test was used to assess cognitive functions, and vibrometry («Somedic» vibrometer) was used to assess the function of thick fibers. Patients in group 1 (n=37) received alpha lipoic acid (ALA) in a dose of 600 mg per day for 16 weeks, patients in group 2 (n=41) started taking ALA 8 weeks after the start of the study. RESULTS Comparison of both groups showed an increase in the indicators of the MoCA test in group 1 after 8 weeks (p=0.0025) with a further plateau and an improvement in vibration sensitivity after 16 weeks (p=0.023). The improvement in the MoCA test in group 2 also began after 8 weeks. CONCLUSION The authors recommend ALA in polyneuropathy as a drug that also has a positive effect on cognitive functions in DM-2 and dipyridamole for the treatment of patients with diabetic encephalopathy and cerebral small vessels disease and stroke.
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Affiliation(s)
- R G Esin
- Kazan State Medical Academy, Kazan, Russia.,Kazan (Volga region) Federal University, Kazan, Russia
| | | | - O R Esin
- Kazan (Volga region) Federal University, Kazan, Russia
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Halder S, Anand U, Nandy S, Oleksak P, Qusti S, Alshammari EM, El-Saber Batiha G, Koshy EP, Dey A. Herbal drugs and natural bioactive products as potential therapeutics: A review on pro-cognitives and brain boosters perspectives. Saudi Pharm J 2021; 29:879-907. [PMID: 34408548 PMCID: PMC8363108 DOI: 10.1016/j.jsps.2021.07.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Accepted: 07/04/2021] [Indexed: 12/25/2022] Open
Abstract
Memory, one of the most vital aspects of the human brain, is necessary for the effective survival of an individual. 'Memory' can be defined in various ways but in an overall view, memory is the retention of the information that the brain grasps. Different factors are responsible for the disbalance in the brain's hippocampus region and the acetylcholine level, which masters the memory and cognitive functions. Plants are a source of pharmacologically potent drug molecules of high efficacy. Recently herbal medicine has evolved rapidly, gaining great acceptance worldwide due to their natural origin and fewer side effects. In this review, the authors have discussed the mechanisms and pharmacological action of herbal bioactive compounds to boost memory. Moreover, this review presents an update of different herbs and natural products that could act as memory enhancers and how they can be potentially utilized in the near future for the treatment of severe brain disorders. In addition, the authors also discuss the differences in biological activity of the same herb and emphasize the requirement for a higher standardization in cultivation methods and plant processing. The demand for further studies evaluating the interactions of herbal drugs is mentioned.
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Affiliation(s)
- Swati Halder
- Department of Life Sciences, Presidency University, 86/1 College Street, Kolkata 700073, West Bengal, India
| | - Uttpal Anand
- Department of Molecular and Cellular Engineering, Jacob Institute of Biotechnology and Bioengineering, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj 211007, Uttar Pradesh, India
| | - Samapika Nandy
- Department of Life Sciences, Presidency University, 86/1 College Street, Kolkata 700073, West Bengal, India
| | - Patrik Oleksak
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, 50003 Hradec Kralove, Czech Republic
| | - Safaa Qusti
- Biochemistry Department, Faculty of Science, king Abdulaziz University, Jeddah, Saudi Arabia
| | - Eida M. Alshammari
- Department of Chemistry, College of Sciences, University of Ha’il, Ha’il, Saudi Arabia
| | - Gaber El-Saber Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour 22511, AlBeheira, Egypt
| | - Eapen P. Koshy
- Department of Molecular and Cellular Engineering, Jacob Institute of Biotechnology and Bioengineering, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj 211007, Uttar Pradesh, India
| | - Abhijit Dey
- Department of Life Sciences, Presidency University, 86/1 College Street, Kolkata 700073, West Bengal, India
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Bastos VC, Vitório JG, Martins-Chaves RR, Leite-Lima F, Lebron YAR, Moreira VR, Duarte-Andrade FF, Pereira TDSF, Santos LVDS, Lange LC, de Macedo AN, Canuto GAB, Gomes CC, Gomez RS. Age-Related Metabolic Pathways Changes in Dental Follicles: A Pilot Study. FRONTIERS IN ORAL HEALTH 2021; 2:677731. [PMID: 35048024 PMCID: PMC8757705 DOI: 10.3389/froh.2021.677731] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 05/12/2021] [Indexed: 01/10/2023] Open
Abstract
Aging is not a matter of choice; it is our fate. The “time-dependent functional decline that affects most living organisms” is coupled with several alterations in cellular processes, such as cell senescence, epigenetic alterations, genomic instability, stem cell exhaustion, among others. Age-related morphological changes in dental follicles have been investigated for decades, mainly motivated by the fact that cysts and tumors may arise in association with unerupted and/or impacted teeth. The more we understand the physiology of dental follicles, the more we are able to contextualize biological events that can be associated with the occurrence of odontogenic lesions, whose incidence increases with age. Thus, our objective was to assess age-related changes in metabolic pathways of dental follicles associated with unerupted/impacted mandibular third molars from young and adult individuals. For this purpose, a convenience sample of formalin-fixed paraffin-embedded (FFPE) dental follicles from young (<16 y.o., n = 13) and adult (>26 y.o., n = 7) individuals was selected. Samples were analyzed by high-performance liquid chromatography-mass spectrometry (HPLC-MS)-based untargeted metabolomics. Multivariate and univariate analyses were conducted, and the prediction of altered pathways was performed by mummichog and Gene Set Enrichment Analysis (GSEA) approaches. Dental follicles from young and older individuals showed differences in pathways related to C21-steroid hormone biosynthesis, bile acid biosynthesis, galactose metabolism, androgen and estrogen biosynthesis, starch and sucrose metabolism, and lipoate metabolism. We conclude that metabolic pathways differences related to aging were observed between dental follicles from young and adult individuals. Our findings support that similar to other human tissues, dental follicles associated with unerupted tooth show alterations at a metabolic level with aging, which can pave the way for further studies on oral pathology, oral biology, and physiology.
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Affiliation(s)
- Victor Coutinho Bastos
- Department of Oral Surgery and Pathology, School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Department of Pathology, Biological Sciences Institute, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Jéssica Gardone Vitório
- Department of Oral Surgery and Pathology, School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Roberta Rayra Martins-Chaves
- Department of Oral Surgery and Pathology, School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Flávia Leite-Lima
- Department of Oral Surgery and Pathology, School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Yuri Abner Rocha Lebron
- Department of Sanitary and Environmental Engineering, School of Engineering, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Victor Rezende Moreira
- Department of Sanitary and Environmental Engineering, School of Engineering, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Filipe Fideles Duarte-Andrade
- Department of Oral Surgery and Pathology, School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | | | - Lucilaine Valéria de Souza Santos
- Department of Sanitary and Environmental Engineering, School of Engineering, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Liséte Celina Lange
- Department of Sanitary and Environmental Engineering, School of Engineering, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Adriana Nori de Macedo
- Department of Chemistry, Exact Sciences Institute, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | | | - Carolina Cavaliéri Gomes
- Department of Pathology, Biological Sciences Institute, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Ricardo Santiago Gomez
- Department of Oral Surgery and Pathology, School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- *Correspondence: Ricardo Santiago Gomez
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Li A, Tyson J, Patel S, Patel M, Katakam S, Mao X, He W. Emerging Nanotechnology for Treatment of Alzheimer's and Parkinson's Disease. Front Bioeng Biotechnol 2021; 9:672594. [PMID: 34113606 PMCID: PMC8185219 DOI: 10.3389/fbioe.2021.672594] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 04/06/2021] [Indexed: 01/21/2023] Open
Abstract
The prevalence of the two most common neurodegenerative diseases, Parkinson's disease (PD) and Alzheimer's Disease (AD), are expected to rise alongside the progressive aging of society. Both PD and AD are classified as proteinopathies with misfolded proteins α-synuclein, amyloid-β, and tau. Emerging evidence suggests that these misfolded aggregates are prion-like proteins that induce pathological cell-to-cell spreading, which is a major driver in pathogenesis. Additional factors that can further affect pathology spreading include oxidative stress, mitochondrial damage, inflammation, and cell death. Nanomaterials present advantages over traditional chemical or biological therapeutic approaches at targeting these specific mechanisms. They can have intrinsic properties that lead to a decrease in oxidative stress or an ability to bind and disaggregate fibrils. Additionally, nanomaterials enhance transportation across the blood-brain barrier, are easily functionalized, increase drug half-lives, protect cargo from immune detection, and provide a physical structure that can support cell growth. This review highlights emergent nanomaterials with these advantages that target oxidative stress, the fibrillization process, inflammation, and aid in regenerative medicine for both PD and AD.
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Affiliation(s)
- Amanda Li
- Washington University School of Medicine, St. Louis, MO, United States
| | - Joel Tyson
- Department of Chemical, Biochemical and Environmental Engineering, University of Maryland Baltimore County, Baltimore, MD, United States
| | - Shivni Patel
- Neuroregeneration and Stem Cell Programs, Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Meer Patel
- Neuroregeneration and Stem Cell Programs, Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Sruthi Katakam
- Neuroregeneration and Stem Cell Programs, Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Xiaobo Mao
- Neuroregeneration and Stem Cell Programs, Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Weiwei He
- Key Laboratory of Micro-Nano Materials for Energy Storage and Conversion of Henan Province, Henan Joint International Research Laboratory of Nanomaterials for Energy and Catalysis, College of Chemical and Materials Engineering, Institute of Surface Micro and Nano Materials, Xuchang University, Xuchang, China
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Anthony RM, MacLeay JM, Gross KL. Alpha-Lipoic Acid as a Nutritive Supplement for Humans and Animals: An Overview of Its Use in Dog Food. Animals (Basel) 2021; 11:ani11051454. [PMID: 34069383 PMCID: PMC8158713 DOI: 10.3390/ani11051454] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 05/12/2021] [Accepted: 05/13/2021] [Indexed: 12/13/2022] Open
Abstract
Simple Summary A review of human and animal studies involving alpha-lipoic acid supplementation was conducted to determine the utility of alpha-lipoic acid in dog food. The present literature shows that alpha-lipoic acid has utility as a nutritive additive at concentrations of 2.7–4.94 mg/kg body weight/day and improves antioxidant capacity in dogs. Abstract Alpha-lipoic acid (a-LA) is used as a nutritive additive in dog food. Therefore, we performed a systematic review of studies published to date in PubMed, Google Scholar, Cochrane Library and MedlinePlus involving alpha-lipoic acid supplementation, which included human clinical trials as well as animal studies, to evaluate its utility as a supplement in foods for healthy, adult dogs. While an upper limit of alpha-lipoic acid intake in humans has not been conclusively determined, the levels for oral intake of a-LA have been better defined in animals, and distinct differences based on species have been described. The maximum tolerated oral dose of a-LA in dogs has been reported as 126 mg/kg body weight and the LD50 as 400 to 500 mg/kg body weight. The antioxidant, anti-inflammatory and neuro-protective benefits of alpha-lipoic acid in dogs were observed at concentrations much lower than the maximum tolerated dose or proposed LD50. At concentrations of 2.7–4.94 mg/kg body weight/day, alpha-lipoic acid is well tolerated and posed no health risks to dogs while providing improved antioxidant capacity. This review thereby supports the utility of alpha-lipoic acid as an effective nutritive additive in dog food.
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Zarini-Gakiye E, Sanadgol N, Parivar K, Vaezi G. Alpha-lipoic acid ameliorates tauopathy-induced oxidative stress, apoptosis, and behavioral deficits through the balance of DIAP1/DrICE ratio and redox homeostasis: Age is a determinant factor. Metab Brain Dis 2021; 36:669-683. [PMID: 33547995 DOI: 10.1007/s11011-021-00679-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 01/26/2021] [Indexed: 12/20/2022]
Abstract
Tauopathies belong to a heterogeneous class of neuronal diseases resulting in the metabolic disturbance. A disulfide natural compound of Alpha-Lipoic acid (ALA) has shown numerous pharmacologic, antioxidant, and neuroprotective activities under neuropathological conditions. The aim of this study was to investigate the neuroprotective effects of ALA on the tauopathy-induced oxidative disturbance and behavioral deficits. The transgenic Drosophila model of tauopathy induced by human tauR406W using GAL4/UAS system and effects of ALA (0.001, 0.005, and 0.025 % w/w of diet) on the neuropathology of tau in younger (20 days) and older (30 days) adults were investigated via biochemical, molecular, behavioral and in-situ tissue analyses. Expression of apoptosis-related proteins involving Drosophila Cyt-c-d (trigger of intrinsic apoptosis) and DrICE (effector caspase) were upregulated in both ages (20 and 30 days) and DIAP1 (caspase inhibitor) has reduced only in older model flies compared to the controls. Remarkably, all doses of ALA increased DIAP1 and glutathione (GSH) as well as reducing Cyt-c-d and lipid peroxidation (LPO) in the younger flies compared to the model flies. Moreover, the higher doses of ALA were able to decrease thiol concentrations, to increase total antioxidant capacity, and to improve the behavioral deficits (locomotor function, olfactory memory, and ethanol sensitivity) in the younger flies. On the other hand, only a higher dose of ALA was able to decrease DrICE, Cyt-c-d, LPO, and thiol as well as increasing antioxidant capacity and decreasing ethanol sensitivity (ST50, RT50) in the older flies. TUNEL assay showed that all doses of ALA could potentially increase the DIAP1/DrICE ratio and exert anti-apoptotic effects on younger, but not on the older adults. Furthermore, data obtained from the in-situ ROS assay confirmed that only a higher dose of ALA significantly decreased the ROS level at both ages. Our data showed that an effective neuroprotective dose of ALA and its mechanism of action on this model of tauopathy could potentially be influenced by longevity. Moreover, it was shown that ALA prevents apoptosis and decreases the redox homeostasis, and this partially explains the mechanism by which ALA diminishes behavioral deficits.
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Affiliation(s)
- Elahe Zarini-Gakiye
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Nima Sanadgol
- Department of Biology, Faculty of Sciences, University of Zabol, Zabol, Iran.
| | - Kazem Parivar
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Gholamhassan Vaezi
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran.
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Molz P, de Freitas BS, Uberti VH, da Costa KM, Kist LW, Bogo MR, Schröder N. Effects of lipoic acid supplementation on age- and iron-induced memory impairment, mitochondrial DNA damage and antioxidant responses. Eur J Nutr 2021; 60:3679-3690. [PMID: 33738535 DOI: 10.1007/s00394-021-02541-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 03/11/2021] [Indexed: 01/17/2023]
Abstract
PURPOSE To investigate the effects of lipoic acid (LA) supplementation during adulthood combined with supplementation later in life or LA administration only at old age on age-induced cognitive dysfunction, mitochondrial DNA deletions, caspase 3 and antioxidant response enzymes expression in iron-treated rats. METHODS Male rats were submitted to iron treatment (30 mg/kg body wt of Carbonyl iron) from 12 to 14th post-natal days. Iron-treated rats received LA supplementation (50 mg/kg, daily) in adulthood and old age or at old age only for 21 days. Memory, mitochondrial DNA (mtDNA) complex I deletions, caspase 3 mRNA expression and antioxidant response enzymes mRNA expression were analyzed in the hippocampus. RESULTS LA administration in adulthood combined with treatment later in life was able to reverse age-induced effects on object recognition and inhibitory avoidance memory, as well as on mtDNA deletions, nuclear factor (erythroid-derived 2)-like 2 (Nrf2) expression, and antioxidant enzymes disruption induced by iron in aged rats. LA treatment only at old age reversed iron-induced effects to a lesser extent when compared to the combined treatment. CONCLUSION The present findings support the view that LA supplementation may be considered as an adjuvant against mitochondrial damage and cognitive decline related to aging and neurodegenerative disorders.
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Affiliation(s)
- Patrícia Molz
- Laboratory of Genomics and Molecular Biology, School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil.,Neurobiology and Developmental Biology Laboratory, Faculty of Biosciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil.,Graduate Program in Medicine and Health Sciences, School of Medicine, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Betânia Souza de Freitas
- Neurobiology and Developmental Biology Laboratory, Faculty of Biosciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Vanise Hallas Uberti
- Neurobiology and Developmental Biology Laboratory, Faculty of Biosciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Kesiane Mayra da Costa
- Laboratory of Genomics and Molecular Biology, School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil.,Graduate Program in Medicine and Health Sciences, School of Medicine, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Luiza Wilges Kist
- Laboratory of Genomics and Molecular Biology, School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Maurício Reis Bogo
- Laboratory of Genomics and Molecular Biology, School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil.,Graduate Program in Medicine and Health Sciences, School of Medicine, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil.,National Institute of Science and Technology for Brain Diseases, Excitotoxicity and Neuroprotection (INCT-EN), Porto Alegre, Brazil
| | - Nadja Schröder
- National Institute of Science and Technology for Translational Medicine (INCT-TM), Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq), Brasília, Brazil. .,Department of Physiology, Institute for Basic Health Sciences, Federal University of Rio Grande do Sul, Rua Sarmento Leite, 500, Porto Alegre, Brazil.
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Scaini G, Andrews T, Lima CNC, Benevenuto D, Streck EL, Quevedo J. Mitochondrial dysfunction as a critical event in the pathophysiology of bipolar disorder. Mitochondrion 2021; 57:23-36. [PMID: 33340709 PMCID: PMC10494232 DOI: 10.1016/j.mito.2020.12.002] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 11/18/2020] [Accepted: 12/10/2020] [Indexed: 01/02/2023]
Abstract
The understanding of the pathophysiology of bipolar disorder (BD) remains modest, despite recent advances in neurobiological research. The mitochondrial dysfunction hypothesis of bipolar disorder has been corroborated by several studies involving postmortem brain analysis, neuroimaging, and specific biomarkers in both rodent models and humans. Evidence suggests that BD might be related to abnormal mitochondrial morphology and dynamics, neuroimmune dysfunction, and atypical mitochondrial metabolism and oxidative stress pathways. Mitochondrial dysfunction in mood disorders is also associated with abnormal Ca2+ levels, glutamate excitotoxicity, an imbalance between pro- and antiapoptotic proteins towards apoptosis, abnormal gene expression of electron transport chain complexes, and decreased ATP synthesis. This paper aims to review and discuss the implications of mitochondrial dysfunction in BD etiology and to explore mitochondria as a potential target for novel therapeutic agents.
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Affiliation(s)
- Giselli Scaini
- Translational Psychiatry Program, Louis A. Faillace, MD, Department of Psychiatry and Behavioral Sciences at McGovern Medical School, The University of Texas Health Science Center at Houston (UT Health), Houston, TX, USA
| | - Taylor Andrews
- Translational Psychiatry Program, Louis A. Faillace, MD, Department of Psychiatry and Behavioral Sciences at McGovern Medical School, The University of Texas Health Science Center at Houston (UT Health), Houston, TX, USA
| | - Camila N C Lima
- Translational Psychiatry Program, Louis A. Faillace, MD, Department of Psychiatry and Behavioral Sciences at McGovern Medical School, The University of Texas Health Science Center at Houston (UT Health), Houston, TX, USA
| | - Deborah Benevenuto
- Translational Psychiatry Program, Louis A. Faillace, MD, Department of Psychiatry and Behavioral Sciences at McGovern Medical School, The University of Texas Health Science Center at Houston (UT Health), Houston, TX, USA
| | - Emilio L Streck
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil
| | - João Quevedo
- Translational Psychiatry Program, Louis A. Faillace, MD, Department of Psychiatry and Behavioral Sciences at McGovern Medical School, The University of Texas Health Science Center at Houston (UT Health), Houston, TX, USA; Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil; Center of Excellence on Mood Disorders, Louis A. Faillace, MD, Department of Psychiatry and Behavioral Sciences at McGovern Medical School, The University of Texas Health Science Center at Houston (UT Health), Houston, TX, USA; Neuroscience Graduate Program, The University of Texas MD Anderson Cancer Center UT Health Graduate School of Biomedical Sciences, Houston, TX, USA.
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Zarini-Gakiye E, Vaezi G, Parivar K, Sanadgol N. Age and Dose-Dependent Effects of Alpha-Lipoic Acid on Human Microtubule- Associated Protein Tau-Induced Endoplasmic Reticulum Unfolded Protein Response: Implications for Alzheimer's Disease. CNS & NEUROLOGICAL DISORDERS-DRUG TARGETS 2021; 20:451-464. [PMID: 33573583 DOI: 10.2174/1871527320666210126114442] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 10/21/2020] [Accepted: 11/23/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND In human tauopathies, pathological aggregation of misfolded/unfolded proteins, particularly microtubule-associated protein tau (MAPT, tau) is considered to be an essential mechanism that triggers the induction of endoplasmic reticulum (ER) stress. OBJECTIVE Here, we assessed the molecular effects of natural antioxidant alpha-lipoic acid (ALA) in human tauR406W (hTau)-induced ER unfolded protein response (ERUPR) in fruit flies. METHODS In order to reduce hTau neurotoxicity during brain development, we used a transgenic model of tauopathy where the maximum toxicity was observed in adult flies. Then, the effects of ALA (0.001, 0.005, and 0.025% w/w of diet) in htau-induced ERUPR and behavioral dysfunctions in the ages 20 and 30 days were evaluated in Drosophila melanogaster. RESULTS Data from expression (mRNA and protein) patterns of htau, analysis of eyes external morphology as well as larvae olfactory memory were confirmed by our tauopathy model. Moreover, the expression of ERUPR-related proteins involving Activating Transcription Factor 6 (ATF6), inositol regulating enzyme 1 (IRE1), and protein kinase RNA-like ER kinase (PERK) wase upregulated and locomotor function decreased in both ages of the model flies. Remarkably, the lower dose of ALA modified ERUPR and supported the reduction of behavioral deficits in youngest adults through the enhancement of GRP87/Bip, reduction of ATF6, downregulation of PERK-ATF4 pathway, and activation of the IRE1-XBP1 pathway. On the other hand, only a higher dose of ALA affected the ERUPR via moderation of PERK-ATF4 signaling in the oldest adults. As ALA also exerts higher protective effects on the locomotor function of younger adults when htauR406Wis expressed in all neurons (htau-elav) and mushroom body neurons (htau-ok), we proposed that ALA has age-dependent effects in this model. CONCLUSION Taken together, based on our results, we conclude that aging potentially influences the ALA effective dose and mechanism of action on tau-induced ERUPR. Further molecular studies will warrant possible therapeutic applications of ALA in age-related tauopathies.
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Affiliation(s)
- Elahe Zarini-Gakiye
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Gholamhassan Vaezi
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Kazem Parivar
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Nima Sanadgol
- Department of Biology, Faculty of Sciences, University of Zabol, Zabol, Iran
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Piersimoni ME, Teng X, Cass AEG, Ying L. Antioxidant lipoic acid ligand-shell gold nanoconjugates against oxidative stress caused by α-synuclein aggregates. NANOSCALE ADVANCES 2020; 2:5666-5681. [PMID: 36133855 PMCID: PMC9416995 DOI: 10.1039/d0na00688b] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 10/21/2020] [Indexed: 05/13/2023]
Abstract
Gold nanoparticles are becoming a promising platform for the delivery of drugs to treat neurodegenerative diseases. Parkinson's disease, associated with the aggregation of α-synuclein, is a condition that results in dysfunctional neuronal cells leading to their degeneration and death. Oxidative stress has been strongly implicated as a common feature in this process. The limited efficacy of the traditional therapies and the development of associated severe side effects present an unmet need for preventive and adjuvant therapies. The organosulfur compound lipoic acid, naturally located in the mitochondria, plays a powerful antioxidative role against oxidative stress. However, the efficacy is limited by its low physiological concentration, and the administration is affected by its short half-life and bioavailability due to hepatic degradation. Here we exploited the drug delivery potential of gold nanoparticles to assemble lipoic acid, and administered the system into SH-SY5Y cells, a cellular model commonly used to study Parkinson's disease. We tested the nanoconjugates of GNPs-LA, under an oxidative environment induced by gold nanoparticle/α-synuclein conjugates (GNPs-α-Syn). GNPs-LA were found to be biocompatible and capable of restoring the cell damage caused by high-level reactive oxygen species generated by excessive oxidative stress in the cellular environment. We conclude that GNPs-LA may serve as promising drug delivery vehicles conveying antioxidant molecules for the treatment of Parkinson's disease.
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Affiliation(s)
- Maria Elena Piersimoni
- National Heart and Lung Institute, Imperial College London, Molecular Sciences Research Hub London W12 0BZ UK
- Bio Nano Consulting London W1T 4TQ UK
| | - Xiangyu Teng
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub London W12 0BZ UK
| | - Anthony E G Cass
- Bio Nano Consulting London W1T 4TQ UK
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub London W12 0BZ UK
| | - Liming Ying
- National Heart and Lung Institute, Imperial College London, Molecular Sciences Research Hub London W12 0BZ UK
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Probiotic Lactobacillus fermentum strain JDFM216 improves cognitive behavior and modulates immune response with gut microbiota. Sci Rep 2020; 10:21701. [PMID: 33303803 PMCID: PMC7729874 DOI: 10.1038/s41598-020-77587-w] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 11/10/2020] [Indexed: 12/14/2022] Open
Abstract
Increasing evidence indicates that alterations in gut microbiota are associated with mammalian development and physiology. The gut microbiota has been proposed as an essential player in metabolic diseases including brain health. This study aimed to determine the impact of probiotics on degenerative changes in the gut microbiota and cognitive behavior. Assessment of various behavioral and physiological functions was performed using Y-maze tests, wheel running tests, accelerated rotarod tests, balance beam tests, and forced swimming tests (FSTs), using adult mice after 50 weeks of administering living probiotic bacterium Lactobacillus fermentum strain JDFM216 or a vehicle. Immunomodulatory function was investigated using immune organs, immune cells and immune molecules in the mice, and gut microbiota was also evaluated in their feces. Notably, the L. fermentum JDFM216-treated group showed significantly better performance in the behavior tests (P < 0.05) as well as improved phagocytic activity of macrophages, enhanced sIgA production, and stimulated immune cells (P < 0.05). In aged mice, we observed decreases in species belonging to the Porphyromonadaceae family and the Lactobacillus genus when compared to young mice. While administering the supplementation of L. fermentum JDFM216 to aged mice did not shift the whole gut microbiota, the abundance of Lactobacillus species was significantly increased (P < 0.05). Our findings suggested that L. fermentum JDFM216 also provided beneficial effects on the regulation of immune responses, which has promising implications for functional foods. Taken together, L. fermentum JDFM216 could confer the benefit of improving health with enhanced cognition, physiological behavior, and immunity by modulating the gut microbiota.
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Abstract
Significance: Oxidative stress in moderation positively affects homeostasis through signaling, while in excess it is associated with adverse health outcomes. Both activities are generally attributed to reactive oxygen species (ROS); hydrogen peroxide as the signal, and cysteines on regulatory proteins as the target. However, using antioxidants to affect signaling or benefit health has not consistently translated into expected outcomes, or when it does, the mechanism is often unclear. Recent Advances: Reactive sulfur species (RSS) were integral in the origin of life and throughout much of evolution. Sophisticated metabolic pathways that evolved to regulate RSS were easily "tweaked" to deal with ROS due to the remarkable similarities between the two. However, unlike ROS, RSS are stored, recycled, and chemically more versatile. Despite these observations, the relevance and regulatory functions of RSS in extant organisms are generally underappreciated. Critical Issues: A number of factors bias observations in favor of ROS over RSS. Research conducted in room air is hyperoxic to cells, and promotes ROS production and RSS oxidation. Metabolic rates of rodent models greatly exceed those of humans; does this favor ROS? Analytical methods designed to detect ROS also respond to RSS. Do these disguise the contributions of RSS? Future Directions: Resolving the ROS/RSS issue is vital to understand biology in general and human health in particular. Improvements in experimental design and analytical methods are crucial. Perhaps the most important is an appreciation of all the attributes of RSS and keeping an open mind.
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Affiliation(s)
- Kenneth R Olson
- Department of Physiology, Indiana University School of Medicine-South Bend, South Bend, Indiana, USA
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Binvignat O, Olloquequi J. Excitotoxicity as a Target Against Neurodegenerative Processes. Curr Pharm Des 2020; 26:1251-1262. [PMID: 31931694 DOI: 10.2174/1381612826666200113162641] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 11/27/2019] [Indexed: 12/20/2022]
Abstract
The global burden of neurodegenerative diseases is alarmingly increasing in parallel to the aging of population. Although the molecular mechanisms leading to neurodegeneration are not completely understood, excitotoxicity, defined as the injury and death of neurons due to excessive or prolonged exposure to excitatory amino acids, has been shown to play a pivotal role. The increased release and/or decreased uptake of glutamate results in dysregulation of neuronal calcium homeostasis, leading to oxidative stress, mitochondrial dysfunctions, disturbances in protein turn-over and neuroinflammation. Despite the anti-excitotoxic drug memantine has shown modest beneficial effects in some patients with dementia, to date, there is no effective treatment capable of halting or curing neurodegenerative diseases such as Alzheimer's disease, Parkinson disease, Huntington's disease or amyotrophic lateral sclerosis. This has led to a growing body of research focusing on understanding the mechanisms associated with the excitotoxic insult and on uncovering potential therapeutic strategies targeting these mechanisms. In the present review, we examine the molecular mechanisms related to excitotoxic cell death. Moreover, we provide a comprehensive and updated state of the art of preclinical and clinical investigations targeting excitotoxic- related mechanisms in order to provide an effective treatment against neurodegeneration.
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Affiliation(s)
| | - Jordi Olloquequi
- Laboratory of Cellular and Molecular Pathology, Instituto de Ciencias Biomedicas, Facultad de Ciencias de la Salud, Universidad Autonoma de Chile, Talca, Chile
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42
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The Alpha-Lipoic Acid Improves Survival and Prevents Irinotecan-Induced Inflammation and Intestinal Dysmotility in Mice. Pharmaceuticals (Basel) 2020; 13:ph13110361. [PMID: 33152996 PMCID: PMC7692584 DOI: 10.3390/ph13110361] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 10/10/2020] [Accepted: 10/12/2020] [Indexed: 01/07/2023] Open
Abstract
Irinotecan, an anticancer drug, induces diarrhea and intestinal inflammation, resulting in an increase in the cost of care and in treatment delays. In this study, we investigated whether alpha-lipoic acid (α-LA) could improve irinotecan-mediated intestinal inflammation, diarrhea and dysmotility. Intestinal mucositis was induced by irinotecan injection (75 mg/kg, i.p., for 4 days) in Swiss mice. α-LA (50, 100 or 200 mg/kg, gavage) was administered daily 1 h before the injection of irinotecan. Duodenum tissues were obtained for inflammation and proliferation analysis. The outcomes: diarrhea, intestinal dysmotility, weight body loss and survival were evaluated. Compared with the control condition, irinotecan diminished (p < 0.05) intestinal villus height, caused a loss of crypt integrity and intense inflammatory cell infiltration, increased myeloperoxidase (MPO), IL-6 and IL-1β levels and decreased reduced glutathione (GSH) levels in duodenum segments and increased gastric retention and decreased liquid retention in the medial intestinal segment, resulting in increased intestinal transit, severe diarrhea and reduced survival (approximately 72%). Furthermore, α-LA (200 mg/kg) pretreatment ameliorated (p < 0.05) these irinotecan-induced effects. Our findings show that α-LA reduced irinotecan-induced inflammation, intestinal dysmotility and diarrhea, resulting in improved survival. α-LA may be a useful therapeutic agent for the treatment of gut dysmotility in patients with intestinal mucositis associated with irinotecan treatment.
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Mathimaran A, Kumar A, Prajapati G, Ampapathi RS, Bora HK, Guha R. Partially saturated canthaxanthin alleviates aging-associated oxidative stress in D-galactose administered male wistar rats. Biogerontology 2020; 22:19-34. [PMID: 32926226 DOI: 10.1007/s10522-020-09898-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 09/05/2020] [Indexed: 01/03/2023]
Abstract
It has been earlier reported that partially saturated canthaxanthin (PSC) from Aspergillus carbonarius mutant is non-toxic, has anti-lipid peroxidation activity and can induce apoptosis in prostate cancer cell lines. In the present study, the antiaging effect of PSC was explored in D-galactose administered male wistar rats. 8-10 weeks old, male wistar rats were randomly divided into (i) Vehicle Control Group (VCG), (ii) Aged Control Group (ACG), (iii) Aged + α Lipoic Acid Group (ALG) and (iv) Aged + Partially saturated canthaxanthin Group (APG). Rats received D-galactose (300 mg /kg bwt/day; i.p.) alone (ACG) or together with PSC (APG) (20 mg/kg bwt/day; oral) and α Lipoic Acid (ALG) (80 mg/kg bwt/day; oral) for 10 weeks. Rats in VCG were injected with the same volume of physiological saline (i.p.) and fed with olive oil (vehicle). In vitro protein oxidation and DNA oxidation inhibition, in vivo malondialdehyde (MDA), superoxide dismutase (SOD), glutathione peroxidase (GSH-Px), catalase (CAT), acetylcholinesterase (AChE) and monoamine oxidase (MAO) activities were determined. In addition, brain neurotransmitters, dopamine and serotonin were estimated by NMR. PSC treatment showed inhibition against protein and DNA oxidation. PSC effectively improved D-galactose induced aging rats by inducing a protective effect through up-regulation of glutathione peroxidase (GSH-Px), superoxide dismutase (SOD), catalase (CAT) and brain neurotransmitters and downregulated malondialdehyde (MDA) and monoamineoxidase (MAO) levels. Thus, PSC appears to be a functional compound having antioxidant and antiaging properties.
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Affiliation(s)
- Ahila Mathimaran
- Department of Biotechnology, Periyar Maniammai Institute of Science & Technology, Vallam, Thanjavur, Tamil Nadu, India.,Laboratory Animal Facility, CSIR-Central Drug Research Institute (CSIR-CDRI), Lucknow, Uttar Pradesh, India
| | - Anbarasu Kumar
- Department of Biotechnology, Periyar Maniammai Institute of Science & Technology, Vallam, Thanjavur, Tamil Nadu, India.
| | - Gurudayal Prajapati
- Sophisticated Analytical Instrument Facility, CSIR-Central Drug Research Institute (CSIR-CDRI), Lucknow, Uttar Pradesh, India
| | - Ravi S Ampapathi
- Sophisticated Analytical Instrument Facility, CSIR-Central Drug Research Institute (CSIR-CDRI), Lucknow, Uttar Pradesh, India.,CSIR-Academy of Scientific and Innovative Research (CSIR-AcSIR), Ghaziabad, Uttar Pradesh, India
| | - Himangsu K Bora
- Laboratory Animal Facility, CSIR-Central Drug Research Institute (CSIR-CDRI), Lucknow, Uttar Pradesh, India
| | - Rajdeep Guha
- Laboratory Animal Facility, CSIR-Central Drug Research Institute (CSIR-CDRI), Lucknow, Uttar Pradesh, India. .,CSIR-Academy of Scientific and Innovative Research (CSIR-AcSIR), Ghaziabad, Uttar Pradesh, India.
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Andreeva-Gateva P, Traikov L, Sabit Z, Bakalov D, Tafradjiiska-Hadjiolova R. Antioxidant Effect of Alpha-Lipoic Acid in 6-Hydroxydopamine Unilateral Intrastriatal Injected Rats. Antioxidants (Basel) 2020; 9:E122. [PMID: 32024109 PMCID: PMC7070677 DOI: 10.3390/antiox9020122] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 01/29/2020] [Accepted: 01/30/2020] [Indexed: 12/13/2022] Open
Abstract
The toxin 6-hydroxydopamine (6-OHDA) is a highly oxidizable dopamine (DA) analog that is widely used for reproducing several cell processes identified in Parkinson's disease (PD). Due to the close similarity of its neurotoxic mechanism to those of DA, it is suitable as a model for testing the effects of potentially neuroprotective drugs. This study aimed to evaluate the effect of alpha-lipoic acid (LA) on brain oxidative stress (OS) in unilateral intrastriatal (6-OHDA) injected rats. Forty male Wistar rats, four months old (220-260 g), were evaluated. Half of them received LA (35 mg/kg i.p.) from the start to the end of the experiment. On day 2 of the trial, ten LA-supplemented rats and ten non-LA-supplemented rats were subjected to the apomorphine test. Brain homogenates were evaluated for thiobarbituric acid-reactive substances (TBARS) and glutathione peroxidase (GPx) activity. The same evaluation procedures were repeated on day 14 with the remaining animals. An increased TBARS level and decreased GPx activity, suggestive for OS, were recorded in homogenates on day 14 vs. day 2 of the experiment in the 6-OHDA treated rats. The simultaneous application of LA mitigated these changes. Our study demonstrates that the low dose of LA could be of value for decreasing the OS of the neurotoxic 6-OHDA, supporting the need for further studies of the benefit of LA treatment in PD.
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Affiliation(s)
- Pavlina Andreeva-Gateva
- Department of Pharmacology and Toxicology, Faculty of Medicine, Medical University-Sofia, 1431 Sofia, Bulgaria
| | - Lubomir Traikov
- Department of Medical Physics and Biophysics, Faculty of Medicine, Medical University-Sofia, 1431 Sofia, Bulgaria
| | - Zafer Sabit
- Department of Pathophysiology, Faculty of Medicine, Medical University-Sofia, 1431 Sofia, Bulgaria
| | - Dimitar Bakalov
- Department of Pathophysiology, Faculty of Medicine, Medical University-Sofia, 1431 Sofia, Bulgaria
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45
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Olson KR, Briggs A, Devireddy M, Xian M, Gao Y. Are the beneficial effects of 'antioxidant' lipoic acid mediated through metabolism of reactive sulfur species? Free Radic Biol Med 2020; 146:139-149. [PMID: 31676393 DOI: 10.1016/j.freeradbiomed.2019.10.410] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2019] [Revised: 10/08/2019] [Accepted: 10/21/2019] [Indexed: 12/28/2022]
Abstract
The health benefits of lipoic acid (LA) are generally attributed to mitigating the harmful effects of reactive oxygen species (ROS). ROS are chemically similar to reactive sulfur species (RSS) and signal through identical mechanisms. Here we examined the effects of LA on RSS in HEK293 cells using H2S and polysulfide (PS) specific fluorophores, AzMC and SSP4. We show that LA concentration-dependently increased both H2S and PS. Physioxia (5% O2) augmented the effects of LA on H2S production but decreased PS production. Thiosulfate, a known substrate for reduced LA, and an intermediate in the catabolism of H2S enhanced the effects of LA on H2S and PS production. Inhibiting peroxiredoxins with conoidin A and gluraredoxins with tiopronin augmented the effects of LA on PS and H2S, respectively while decreasing glutathione with buthionine-sulfoximine (BSO) or diethyl maleate (DEM) decreased the stimulatory effect of LA on H2S production but augmented LA's effect on PS. Aminooxyacetate (AOA) and propargylglycine (PPG), inhibitors of H2S production from cysteine partially inhibited LA augmentation of H2S production and further decreased the LA effect when applied concurrently with BSO and DEM. The selective and cell-permeable H2S scavenger, SS20, inhibited the effects of LA on cellular H2S. Estimates of single-cell H2S production suggest that 0.1-0.2% of O2 consumption is used to metabolize H2S and these requirements may increase to 1-2% with 1 mM LA. Collectively, these results suggest that LA rescues H2S from irreversible oxidation and that the effects of LA on RSS directly confer antioxidant, anti-inflammatory and cytoprotective responses. They also suggest that TS may be an effective supplement to increase the efficacy of LA in clinical settings.
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Affiliation(s)
- Kenneth R Olson
- Indiana University School of Medicine, South Bend Center, South Bend, IN, 46617, USA; Department of Biological Sciences, University of Notre Dame, Notre Dame, IN, 46556, USA.
| | - Austin Briggs
- Indiana University School of Medicine, South Bend Center, South Bend, IN, 46617, USA
| | - Monesh Devireddy
- Indiana University School of Medicine, South Bend Center, South Bend, IN, 46617, USA
| | - Ming Xian
- Department of Chemistry, Washington State University, Pullman, WA, 99164, USA
| | - Yan Gao
- Indiana University School of Medicine, South Bend Center, South Bend, IN, 46617, USA
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46
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Agnihotri A, Aruoma OI. Alzheimer’s Disease and Parkinson’s Disease: A Nutritional Toxicology Perspective of the Impact of Oxidative Stress, Mitochondrial Dysfunction, Nutrigenomics and Environmental Chemicals. J Am Coll Nutr 2019; 39:16-27. [DOI: 10.1080/07315724.2019.1683379] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
| | - Okezie I. Aruoma
- Department of Chemistry and Biochemistry, College of Natural and Social Sciences, California State University Los Angeles, Los Angeles, California, USA
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Mitochondrial Dysfunction and Alpha-Lipoic Acid: Beneficial or Harmful in Alzheimer's Disease? OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:8409329. [PMID: 31885820 PMCID: PMC6914903 DOI: 10.1155/2019/8409329] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 09/30/2019] [Indexed: 12/31/2022]
Abstract
Alzheimer's disease (AD) is a neurodegenerative disorder characterised by impairments in the cognitive domains associated with orientation, recording, and memory. This pathology results from an abnormal deposition of the β-amyloid (Aβ) peptide and the intracellular accumulation of neurofibrillary tangles. Mitochondrial dysfunctions play an important role in the pathogenesis of AD, due to disturbances in the bioenergetic properties of cells. To date, the usual therapeutic drugs are limited because of the diversity of cellular routes in AD and the toxic potential of these agents. In this context, alpha-lipoic acid (α-LA) is a well-known fatty acid used as a supplement in several health conditions and diseases, such as periphery neuropathies and neurodegenerative disorders. It is produced in several cell types, eukaryotes, and prokaryotes, showing antioxidant and anti-inflammatory properties. α-LA acts as an enzymatic cofactor able to regulate metabolism, energy production, and mitochondrial biogenesis. In addition, the antioxidant capacity of α-LA is associated with two thiol groups that can be oxidised or reduced, prevent excess free radical formation, and act on improvement of mitochondrial performance. Moreover, α-LA has mechanisms of epigenetic regulation in genes related to the expression of various inflammatory mediators, such PGE2, COX-2, iNOS, TNF-α, IL-1β, and IL-6. Regarding the pharmacokinetic profile, α-LA has rapid uptake and low bioavailability and the metabolism is primarily hepatic. However, α-LA has low risk in prolonged use, although its therapeutic potential, interactions with other substances, and adverse reactions have not been well established in clinical trials with populations at higher risk for diseases of aging. Thus, this review aimed to describe the pharmacokinetic profile, bioavailability, therapeutic efficacy, safety, and effects of combined use with centrally acting drugs, as well as report in vitro and in vivo studies that demonstrate the mitochondrial mechanisms of α-LA involved in AD protection.
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Falsini M, Catarzi D, Varano F, Ceni C, Dal Ben D, Marucci G, Buccioni M, Volpini R, Di Cesare Mannelli L, Lucarini E, Ghelardini C, Bartolucci G, Menicatti M, Colotta V. Antioxidant-Conjugated 1,2,4-Triazolo[4,3- a]pyrazin-3-one Derivatives: Highly Potent and Selective Human A 2A Adenosine Receptor Antagonists Possessing Protective Efficacy in Neuropathic Pain. J Med Chem 2019; 62:8511-8531. [PMID: 31453698 DOI: 10.1021/acs.jmedchem.9b00778] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
New 8-amino-6-aryl-1,2,4-triazolo[4,3-a]pyrazin-3-ones were designed to obtain dual antioxidant-human A2A adenosine receptor (hA2A AR) antagonists. Two sets of compounds were synthesized, the first featuring phenol rings at the 6-position, the second bearing the lipoyl and 4-hydroxy-3,5-di-tertbut-benzoyl residues appended by different linkers on the 6-phenyl ring. Several new triazolopyrazines (1-21) were potent and selective hA2A AR antagonists (Ki = 0.17-54.5 nM). Compounds 11, 15, and 21, featuring antioxidant moieties, and compound 12, lacking the antioxidant functionality, reduced oxaliplatin-induced toxicity in microglia cells, the most active being the lipoyl-derivative 15 and the (4-hydroxy-3,5-di-tert-butyl)benzoyl-analogue 21 which were effective in reducing the oxygen free radical level. The lipoyl-derivative 15 was also able to revert oxaliplatin-induced neuropathy in the mouse. In vivo efficacy of 15 makes it a promising neuroprotective agent in oxidative stress-related diseases.
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Affiliation(s)
- Matteo Falsini
- Dipartimento di Neuroscienze, Psicologia, Area del Farmaco e Salute del Bambino, Sezione di Farmaceutica e Nutraceutica , Università degli Studi di Firenze , Via Ugo Schiff, 6 , 50019 Sesto Fiorentino , Italy
| | - Daniela Catarzi
- Dipartimento di Neuroscienze, Psicologia, Area del Farmaco e Salute del Bambino, Sezione di Farmaceutica e Nutraceutica , Università degli Studi di Firenze , Via Ugo Schiff, 6 , 50019 Sesto Fiorentino , Italy
| | - Flavia Varano
- Dipartimento di Neuroscienze, Psicologia, Area del Farmaco e Salute del Bambino, Sezione di Farmaceutica e Nutraceutica , Università degli Studi di Firenze , Via Ugo Schiff, 6 , 50019 Sesto Fiorentino , Italy
| | - Costanza Ceni
- Dipartimento di Neuroscienze, Psicologia, Area del Farmaco e Salute del Bambino, Sezione di Farmaceutica e Nutraceutica , Università degli Studi di Firenze , Via Ugo Schiff, 6 , 50019 Sesto Fiorentino , Italy
| | - Diego Dal Ben
- Scuola di Scienze del Farmaco e dei Prodotti della Salute , Università degli Studi di Camerino , Via S. Agostino 1 , 62032 Camerino , Macerata , Italy
| | - Gabriella Marucci
- Scuola di Scienze del Farmaco e dei Prodotti della Salute , Università degli Studi di Camerino , Via S. Agostino 1 , 62032 Camerino , Macerata , Italy
| | - Michela Buccioni
- Scuola di Scienze del Farmaco e dei Prodotti della Salute , Università degli Studi di Camerino , Via S. Agostino 1 , 62032 Camerino , Macerata , Italy
| | - Rosaria Volpini
- Scuola di Scienze del Farmaco e dei Prodotti della Salute , Università degli Studi di Camerino , Via S. Agostino 1 , 62032 Camerino , Macerata , Italy
| | - Lorenzo Di Cesare Mannelli
- Dipartimento di Neuroscienze, Psicologia, Area del Farmaco e Salute del Bambino, Sezione di Farmacologia e Tossicologia , Università degli Studi di Firenze , Viale Pieraccini 6 , 50139 Firenze , Italy
| | - Elena Lucarini
- Dipartimento di Neuroscienze, Psicologia, Area del Farmaco e Salute del Bambino, Sezione di Farmacologia e Tossicologia , Università degli Studi di Firenze , Viale Pieraccini 6 , 50139 Firenze , Italy
| | - Carla Ghelardini
- Dipartimento di Neuroscienze, Psicologia, Area del Farmaco e Salute del Bambino, Sezione di Farmacologia e Tossicologia , Università degli Studi di Firenze , Viale Pieraccini 6 , 50139 Firenze , Italy
| | - Gianluca Bartolucci
- Dipartimento di Neuroscienze, Psicologia, Area del Farmaco e Salute del Bambino, Sezione di Farmaceutica e Nutraceutica , Università degli Studi di Firenze , Via Ugo Schiff, 6 , 50019 Sesto Fiorentino , Italy
| | - Marta Menicatti
- Dipartimento di Neuroscienze, Psicologia, Area del Farmaco e Salute del Bambino, Sezione di Farmaceutica e Nutraceutica , Università degli Studi di Firenze , Via Ugo Schiff, 6 , 50019 Sesto Fiorentino , Italy
| | - Vittoria Colotta
- Dipartimento di Neuroscienze, Psicologia, Area del Farmaco e Salute del Bambino, Sezione di Farmaceutica e Nutraceutica , Università degli Studi di Firenze , Via Ugo Schiff, 6 , 50019 Sesto Fiorentino , Italy
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Borowczyk K, Olejarz P, Chwatko G. Application of simultaneous separation and derivatization for the determination of α-lipoic acid in urine samples by high-performance liquid chromatography with spectrofluorimetric detection. Biomed Chromatogr 2019; 33:e4576. [PMID: 31069825 DOI: 10.1002/bmc.4576] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 04/26/2019] [Accepted: 05/02/2019] [Indexed: 01/17/2023]
Abstract
To help to clarify therapeutic functions of lipoic acid (LA) in biochemical and clinical practice we have elaborated a fast, simple and accurate HPLC method enabling determination of LA in human urine. The proposed analytical approach includes reduction of LA with tris(2-carboxyethyl)phosphine and simultaneous separation and derivatization of the analyte with butylamine and o-phthaldialdehyde followed by spectrofluorimetric detection at λex = 340 nm and λem = 440 nm. The assay was performed using gradient elution and the mobile phase containing 0.0025 mol L-1 o-phthaldialdehyde in 0.0025 mol L-1 NaOH and acetonitrile. Linearity of the detector response for LA was observed in the range of 0.3-8 μmol L-1 . Limits of detection and quantification for LA in urine samples were 0.02 and 0.03 μmol L-1 , respectively. The total analysis time, including sample work-up, was <20 min. The analytical procedure was successfully applied to analysis of real urine samples delivered from six healthy volunteers who received a single 100 mg dose of LA.
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Affiliation(s)
- Kamila Borowczyk
- Department of Environmental Chemistry, Faculty of Chemistry, University of Lodz, Lodz, Poland
| | - Patrycja Olejarz
- Department of Environmental Chemistry, Faculty of Chemistry, University of Lodz, Lodz, Poland
| | - Grażyna Chwatko
- Department of Environmental Chemistry, Faculty of Chemistry, University of Lodz, Lodz, Poland
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50
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González JF, Alcántara AR, Doadrio AL, Sánchez-Montero JM. Developments with multi-target drugs for Alzheimer's disease: an overview of the current discovery approaches. Expert Opin Drug Discov 2019; 14:879-891. [PMID: 31165654 DOI: 10.1080/17460441.2019.1623201] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Introduction: Alzheimer's disease (AD), the most common type of dementia among older adults, is a chronic neurodegenerative pathology that causes a progressive loss of cognitive functioning with a decline of rational skills. It is well known that AD is multifactorial, so there are many different pharmacological targets that can be pursued. Areas covered: The authors highlight the strategic value of privileged scaffolds in a multi-target lead compound generation against AD, exploring the concept of multi-target design, with a special emphasis on hybrid compounds. Hence, the most promising building blocks for designing and synthesizing hybrid anti-AD drugs are shown, while also presenting the more advanced hybrid compounds. Expert opinion: The available therapeutic arsenal for AD, designed under the traditional paradigm of 'one-drug/one target/one-disease', is based on the inhibition of brain acetylcholinesterase (AChE) to increase acetylcholine (ACh) levels. However, this classical approach has not been sufficiently effective when used to treat any multifactor-depending pathology (cancer, diabetes or AD). The multi-target drug concept has been quickly adopted by medicinal chemists. The basic research developments reported in recent years are a solid foundation that will pave the way for the construction of future AD therapeutics.
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Affiliation(s)
- Juan F González
- a Department of Chemistry in Pharmaceutical Sciences, Faculty of Pharmacy, Complutense University of Madrid , Madrid , Spain
| | - Andrés R Alcántara
- a Department of Chemistry in Pharmaceutical Sciences, Faculty of Pharmacy, Complutense University of Madrid , Madrid , Spain
| | - Antonio L Doadrio
- a Department of Chemistry in Pharmaceutical Sciences, Faculty of Pharmacy, Complutense University of Madrid , Madrid , Spain
| | - Jose María Sánchez-Montero
- a Department of Chemistry in Pharmaceutical Sciences, Faculty of Pharmacy, Complutense University of Madrid , Madrid , Spain
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