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Sternberg Z. Neurodegenerative Etiology of Aromatic L-Amino Acid Decarboxylase Deficiency: a Novel Concept for Expanding Treatment Strategies. Mol Neurobiol 2024; 61:2996-3018. [PMID: 37953352 DOI: 10.1007/s12035-023-03684-2] [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: 02/07/2023] [Accepted: 09/29/2023] [Indexed: 11/14/2023]
Abstract
Aromatic l-amino acid decarboxylase deficiency (AADC-DY) is caused by one or more mutations in the DDC gene, resulting in the deficit in catecholamines and serotonin neurotransmitters. The disease has limited therapeutic options with relatively poor clinical outcomes. Accumulated evidence suggests the involvement of neurodegenerative mechanisms in the etiology of AADC-DY. In the absence of neurotransmitters' neuroprotective effects, the accumulation and the chronic presence of several neurotoxic metabolites including 4-dihydroxy-L-phenylalanine, 3-methyldopa, and homocysteine, in the brain of subjects with AADC-DY, promote oxidative stress and reduce the cellular antioxidant and methylation capacities, leading to glial activation and mitochondrial dysfunction, culminating to neuronal injury and death. These pathophysiological processes have the potential to hinder the clinical efficacy of treatments aimed at increasing neurotransmitters' synthesis and or function. This review describes in detail the mechanisms involved in AADC-DY neurodegenerative etiology, highlighting the close similarities with those involved in other neurodegenerative diseases. We then offer novel strategies for the treatment of the disease with the objective to either reduce the level of the metabolites or counteract their prooxidant and neurotoxic effects. These treatment modalities used singly or in combination, early in the course of the disease, will minimize neuronal injury, preserving the functional integrity of neurons, hence improving the clinical outcomes of both conventional and unconventional interventions in AADC-DY. These modalities may not be limited to AADC-DY but also to other metabolic disorders where a specific mutation leads to the accumulation of prooxidant and neurotoxic metabolites.
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Affiliation(s)
- Zohi Sternberg
- Jacobs School of Medicine and Biomedical Sciences, Buffalo Medical Center, Buffalo, NY, 14203, USA.
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Rahman MM, Mim SA, Islam MR, Sultana N, Ahmed M, Kamal MA. Role of G-Proteins and GPCR-Mediated Signalling in Neuropathophysiology. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2023; 22:2-5. [PMID: 35507780 DOI: 10.2174/1871527321666220430142722] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 02/21/2022] [Accepted: 02/21/2022] [Indexed: 02/08/2023]
Abstract
G-protein-coupled receptors (GPCRs) are activated by manifold neurotransmitters, and their activation, in turn, evokes slow synaptic transmission. They are profoundly related to numerous psychiatric and neurological disorders such as schizophrenia and Parkinson's disease. The significant malady indications for GPCR modulators demonstrate a change towards obesity, diabetes, and Alzheimer's disease, while other central nervous system disorders persist highly represented. GPR52, GPR6, and GPR8 are recognised as orphan GPCRs, co-exist either with both the dopamine D2 and D1 receptors in neurons of the basal ganglia or with the dopamine D2 receptor alone, and recommend that between these orphan receptors, GPR52 has the maximum potential of being a therapeutic psychiatric receptor. Genetically modified creature models and molecular biological investigations have suggested that these improved GPCRs could be potential therapeutic psychiatric receptors. In this perspective, the role of molecular targets in GPCR-mediated signalling has been discussed that would be novel drug design and discovery options for a scientist to elaborate previous knowledge with modern techniques.
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Affiliation(s)
- Md Mominur Rahman
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - Sadia Afsana Mim
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - Md Rezaul Islam
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - Nasrin Sultana
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - Muniruddin Ahmed
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - Mohammad Amjad Kamal
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
- King Fahd Medical Research Center, King Abdulaziz University, Saudi Arabia
- Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, Chinaa
- Enzymoics; Novel Global Community Educational Foundation, Australia
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Parga JA, Rodriguez-Perez AI, Garcia-Garrote M, Rodriguez-Pallares J, Labandeira-Garcia JL. NRF2 Activation and Downstream Effects: Focus on Parkinson's Disease and Brain Angiotensin. Antioxidants (Basel) 2021; 10:antiox10111649. [PMID: 34829520 PMCID: PMC8614768 DOI: 10.3390/antiox10111649] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/17/2021] [Accepted: 10/18/2021] [Indexed: 12/18/2022] Open
Abstract
Reactive oxygen species (ROS) are signalling molecules used to regulate cellular metabolism and homeostasis. However, excessive ROS production causes oxidative stress, one of the main mechanisms associated with the origin and progression of neurodegenerative disorders such as Parkinson's disease. NRF2 (Nuclear Factor-Erythroid 2 Like 2) is a transcription factor that orchestrates the cellular response to oxidative stress. The regulation of NRF2 signalling has been shown to be a promising strategy to modulate the progression of the neurodegeneration associated to Parkinson's disease. The NRF2 pathway has been shown to be affected in patients with this disease, and activation of NRF2 has neuroprotective effects in preclinical models, demonstrating the therapeutic potential of this pathway. In this review, we highlight recent advances regarding the regulation of NRF2, including the effect of Angiotensin II as an endogenous signalling molecule able to regulate ROS production and oxidative stress in dopaminergic neurons. The genes regulated and the downstream effects of activation, with special focus on Kruppel Like Factor 9 (KLF9) transcription factor, provide clues about the mechanisms involved in the neurodegenerative process as well as future therapeutic approaches.
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Affiliation(s)
- Juan A. Parga
- Research Center for Molecular Medicine and Chronic Diseases (CIMUS), IDIS, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain; (A.I.R.-P.); (M.G.-G.); (J.R.-P.)
- Networking Research Center on Neurodegenerative Diseases (CIBERNED), 28031 Madrid, Spain
- Laboratory of Cellular and Molecular Neurobiology of Parkinson’s Disease, CIMUS, Department of Morphological Sciences, University of Santiago de Compostela, R/ San Francisco s/n, 15782 Santiago de Compostela, Spain
- Correspondence: (J.A.P.); (J.L.L.-G.)
| | - Ana I. Rodriguez-Perez
- Research Center for Molecular Medicine and Chronic Diseases (CIMUS), IDIS, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain; (A.I.R.-P.); (M.G.-G.); (J.R.-P.)
- Networking Research Center on Neurodegenerative Diseases (CIBERNED), 28031 Madrid, Spain
- Laboratory of Cellular and Molecular Neurobiology of Parkinson’s Disease, CIMUS, Department of Morphological Sciences, University of Santiago de Compostela, R/ San Francisco s/n, 15782 Santiago de Compostela, Spain
| | - Maria Garcia-Garrote
- Research Center for Molecular Medicine and Chronic Diseases (CIMUS), IDIS, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain; (A.I.R.-P.); (M.G.-G.); (J.R.-P.)
- Networking Research Center on Neurodegenerative Diseases (CIBERNED), 28031 Madrid, Spain
- Laboratory of Cellular and Molecular Neurobiology of Parkinson’s Disease, CIMUS, Department of Morphological Sciences, University of Santiago de Compostela, R/ San Francisco s/n, 15782 Santiago de Compostela, Spain
| | - Jannette Rodriguez-Pallares
- Research Center for Molecular Medicine and Chronic Diseases (CIMUS), IDIS, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain; (A.I.R.-P.); (M.G.-G.); (J.R.-P.)
- Networking Research Center on Neurodegenerative Diseases (CIBERNED), 28031 Madrid, Spain
- Laboratory of Cellular and Molecular Neurobiology of Parkinson’s Disease, CIMUS, Department of Morphological Sciences, University of Santiago de Compostela, R/ San Francisco s/n, 15782 Santiago de Compostela, Spain
| | - Jose L. Labandeira-Garcia
- Research Center for Molecular Medicine and Chronic Diseases (CIMUS), IDIS, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain; (A.I.R.-P.); (M.G.-G.); (J.R.-P.)
- Networking Research Center on Neurodegenerative Diseases (CIBERNED), 28031 Madrid, Spain
- Laboratory of Cellular and Molecular Neurobiology of Parkinson’s Disease, CIMUS, Department of Morphological Sciences, University of Santiago de Compostela, R/ San Francisco s/n, 15782 Santiago de Compostela, Spain
- Correspondence: (J.A.P.); (J.L.L.-G.)
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4
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Nguyen LTB, Hsu CC, Ye H, Cui Z. Development of an in situ injectable hydrogel containing hyaluronic acid for neural regeneration. ACTA ACUST UNITED AC 2020; 15:055005. [PMID: 32324167 DOI: 10.1088/1748-605x/ab8c43] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
In this work, a novel enzymatically crosslinked injectable hydrogel comprising hyaluronic acid (HyA), dopamine (DA), and 3-(4-hydroxyphenyl) propionic acid (HPA) conjugates was successfully developed. To the best of our knowledge, it is the first time that HPA is conjugated to a HyA-based backbone. In situ hydrogelation of HyA-DA-HPA occurred in the presence of hydrogen peroxide (H2O2) as an oxidant and horseradish peroxidase (HRP) as a catalyst. Proton nuclear magnetic resonance and Fourier transform infrared spectroscopy were used to characterize the chemical reactions between HyA, DA, and HPA. Gel formation completed between 3 s to 5 min depending on the concentrations of polymer, HRP, and H2O2. Crosslinked HyA-DA-HPA gels acquired storage moduli ranging from ∼100 Pa to ∼20 000 Pa (at f = 2000 rad s-1). Biocompatibility of the hydrogels was examined with human mesenchymal stem cells (hMSCs) and human induced pluripotent stem cell-derived neural stem cells. The hydrogels made of 2.0 w/v% HyA-DA-HPA hydrogels, 0.24 U ml-1 HRP and ≤ 0.5 µmol ml-1 H2O2 were found biocompatible with hMSCs cultured on and encapsulated within the hydrogels. Since HyA serves as a backbone of the extracellular matrix in the central nervous system (CNS) and DA acquires the ability to restore dopaminergic neurons, use of this injectable HyA-DA-HPA hydrogel for stem cell transplantation is a potential treatment strategy for CNS repair and regeneration.
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Affiliation(s)
- Linh T B Nguyen
- Institute of Biomedical Engineering, Department of Engineering Science, University of Oxford, Oxford OX3 7DQ, United Kingdom. Division of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, London WC1X 8LD, United Kingdom
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Laloux C, Gouel F, Lachaud C, Timmerman K, Do Van B, Jonneaux A, Petrault M, Garcon G, Rouaix N, Moreau C, Bordet R, Duce JA, Devedjian JC, Devos D. Continuous cerebroventricular administration of dopamine: A new treatment for severe dyskinesia in Parkinson's disease? Neurobiol Dis 2017; 103:24-31. [PMID: 28363801 DOI: 10.1016/j.nbd.2017.03.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Revised: 03/21/2017] [Accepted: 03/26/2017] [Indexed: 01/11/2023] Open
Abstract
In Parkinson's disease (PD) depletion of dopamine in the nigro-striatal pathway is a main pathological hallmark that requires continuous and focal restoration. Current predominant treatment with intermittent oral administration of its precursor, Levodopa (l-dopa), remains the gold standard but pharmacological drawbacks trigger motor fluctuations and dyskinesia. Continuous intracerebroventricular (i.c.v.) administration of dopamine previously failed as a therapy because of an inability to resolve the accelerated dopamine oxidation and tachyphylaxia. We aim to overcome prior challenges by demonstrating treatment feasibility and efficacy of continuous i.c.v. of dopamine close to the striatum. Dopamine prepared either anaerobically (A-dopamine) or aerobically (O-dopamine) in the presence or absence of a conservator (sodium metabisulfite, SMBS) was assessed upon acute MPTP and chronic 6-OHDA lesioning and compared to peripheral l-dopa treatment. A-dopamine restored motor function and induced a dose dependent increase of nigro-striatal tyrosine hydroxylase positive neurons in mice after 7days of MPTP insult that was not evident with either O-dopamine or l-dopa. In the 6-OHDA rat model, continuous circadian i.c.v. injection of A-dopamine over 30days also improved motor activity without occurrence of tachyphylaxia. This safety profile was highly favorable as A-dopamine did not induce dyskinesia or behavioral sensitization as observed with peripheral l-dopa treatment. Indicative of a new therapeutic strategy for patients suffering from l-dopa related complications with dyskinesia, continuous i.c.v. of A-dopamine has greater efficacy in mediating motor impairment over a large therapeutic index without inducing dyskinesia and tachyphylaxia.
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Affiliation(s)
- C Laloux
- Département de Pharmacologie médicale, INSERM UMRS-1171, Université Lille Nord de France, CHRU de Lille, Faculté de médecine, Pôle Recherche, 1 place de Verdun, 59045 Lille cedex, France
| | - F Gouel
- Département de Pharmacologie médicale, INSERM UMRS-1171, Université Lille Nord de France, CHRU de Lille, Faculté de médecine, Pôle Recherche, 1 place de Verdun, 59045 Lille cedex, France
| | - C Lachaud
- Département de Pharmacologie médicale, INSERM UMRS-1171, Université Lille Nord de France, CHRU de Lille, Faculté de médecine, Pôle Recherche, 1 place de Verdun, 59045 Lille cedex, France
| | - K Timmerman
- Département de Pharmacologie médicale, INSERM UMRS-1171, Université Lille Nord de France, CHRU de Lille, Faculté de médecine, Pôle Recherche, 1 place de Verdun, 59045 Lille cedex, France
| | - B Do Van
- Département de Pharmacologie médicale, INSERM UMRS-1171, Université Lille Nord de France, CHRU de Lille, Faculté de médecine, Pôle Recherche, 1 place de Verdun, 59045 Lille cedex, France
| | - A Jonneaux
- Département de Pharmacologie médicale, INSERM UMRS-1171, Université Lille Nord de France, CHRU de Lille, Faculté de médecine, Pôle Recherche, 1 place de Verdun, 59045 Lille cedex, France
| | - M Petrault
- Département de Pharmacologie médicale, INSERM UMRS-1171, Université Lille Nord de France, CHRU de Lille, Faculté de médecine, Pôle Recherche, 1 place de Verdun, 59045 Lille cedex, France
| | - G Garcon
- Institut Pasteur de Lille, EA4483-IMPECS, Université Lille Nord de France, CHRU de Lille, Faculté de médecine, Pôle Recherche, Lille, France
| | - N Rouaix
- Service de biochimie, dosage des catécholamines, et biologie moléculaire, CHRU de Lille, France
| | - C Moreau
- Département de Pharmacologie médicale, INSERM UMRS-1171, Université Lille Nord de France, CHRU de Lille, Faculté de médecine, Pôle Recherche, 1 place de Verdun, 59045 Lille cedex, France; Université de Lille, CHU de Lille, INSERM UMRS_1171, Service de Neurologie NS-Park/FCRIN Network LICEND COEN Center Lille, France
| | - R Bordet
- Département de Pharmacologie médicale, INSERM UMRS-1171, Université Lille Nord de France, CHRU de Lille, Faculté de médecine, Pôle Recherche, 1 place de Verdun, 59045 Lille cedex, France
| | - J A Duce
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds, West Yorkshire, UK; Oxidation Biology Unit, The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, Victoria, Australia
| | - J C Devedjian
- Département de Pharmacologie médicale, INSERM UMRS-1171, Université Lille Nord de France, CHRU de Lille, Faculté de médecine, Pôle Recherche, 1 place de Verdun, 59045 Lille cedex, France
| | - D Devos
- Département de Pharmacologie médicale, INSERM UMRS-1171, Université Lille Nord de France, CHRU de Lille, Faculté de médecine, Pôle Recherche, 1 place de Verdun, 59045 Lille cedex, France; Université de Lille, CHU de Lille, INSERM UMRS_1171, Service de Pharmacologie Clinique et service de Neurologie LICEND COEN Center Lille, France.
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Del-Bel E, Bortolanza M, Dos-Santos-Pereira M, Bariotto K, Raisman-Vozari R. l-DOPA-induced dyskinesia in Parkinson's disease: Are neuroinflammation and astrocytes key elements? Synapse 2016; 70:479-500. [DOI: 10.1002/syn.21941] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Revised: 09/06/2016] [Accepted: 09/06/2016] [Indexed: 12/22/2022]
Affiliation(s)
- Elaine Del-Bel
- Department of MFPB-Physiology; FORP, Campus USP, University of São Paulo; Av. Café, s/no Ribeirão Preto SP 14040-904 Brazil
- Center for Interdisciplinary Research on Applied Neurosciences (NAPNA); São Paulo Brazil
- Department of Physiology; FMRP; São Paulo Brazil
- Department of Neurology and Behavioral Neuroscience; FMRP, Campus USP, University of São Paulo; Av. Bandeirantes 13400 Ribeirão Preto SP 14049-900 Brazil
| | - Mariza Bortolanza
- Department of MFPB-Physiology; FORP, Campus USP, University of São Paulo; Av. Café, s/no Ribeirão Preto SP 14040-904 Brazil
- Center for Interdisciplinary Research on Applied Neurosciences (NAPNA); São Paulo Brazil
| | - Maurício Dos-Santos-Pereira
- Department of MFPB-Physiology; FORP, Campus USP, University of São Paulo; Av. Café, s/no Ribeirão Preto SP 14040-904 Brazil
- Center for Interdisciplinary Research on Applied Neurosciences (NAPNA); São Paulo Brazil
- Department of Physiology; FMRP; São Paulo Brazil
| | - Keila Bariotto
- Department of MFPB-Physiology; FORP, Campus USP, University of São Paulo; Av. Café, s/no Ribeirão Preto SP 14040-904 Brazil
- Center for Interdisciplinary Research on Applied Neurosciences (NAPNA); São Paulo Brazil
- Department of Neurology and Behavioral Neuroscience; FMRP, Campus USP, University of São Paulo; Av. Bandeirantes 13400 Ribeirão Preto SP 14049-900 Brazil
| | - Rita Raisman-Vozari
- INSERM UMR 1127, CNRS UMR 7225, UPMC; Thérapeutique Expérimentale de la Neurodégénérescence, Hôpital de la Salpetrière-ICM (Institut du cerveau et de la moelle épinière); Paris France
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Todorovic M, Wood SA, Mellick GD. Nrf2: a modulator of Parkinson’s disease? J Neural Transm (Vienna) 2016; 123:611-9. [DOI: 10.1007/s00702-016-1563-0] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Accepted: 04/27/2016] [Indexed: 01/23/2023]
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Dorszewska J, Prendecki M, Lianeri M, Kozubski W. Molecular Effects of L-dopa Therapy in Parkinson's Disease. Curr Genomics 2014; 15:11-7. [PMID: 24653659 PMCID: PMC3958954 DOI: 10.2174/1389202914666131210213042] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2013] [Revised: 10/12/2013] [Accepted: 11/26/2013] [Indexed: 12/05/2022] Open
Abstract
Parkinson’s disease (PD) is one of the most common neurological diseases in elderly people. The mean age of onset is 55 years of age, and the risk for developing PD increases 5-fold by the age of 70. In PD, there is impairment in both motor and nonmotor (NMS) functions. The strategy of PD motor dysfunction treatment is simple and generally based on the enhancement of dopaminergic transmission by means of the L-dihydroxyphenylalanine (L-dopa) and dopamine (DA) agonists. L-dopa was discovered in the early -60's of the last century by Hornykiewicz and used for the treatment of patients with PD. L-dopa treatment in PD is related to decreased levels of the neurotransmitter (DA) in striatum and ab-sence of DA transporters on the nerve terminals in the brain. L-dopa may also indirectly stimulate the receptors of the D1 and D2 families. Administration of L-dopa to PD patients, especially long-time therapy, may cause side effects in the form of increased toxicity and inflammatory response, as well as disturbances in biothiols metabolism. Therefore, in PD pa-tients treated with L-dopa, monitoring of oxidative stress markers (8-oxo-2’-deoxyguanosine, apoptotic proteins) and in-flammatory factors (high-sensitivity C-reactive protein, soluble intracellular adhesion molecule), as well as biothiol com-pounds (homocysteine, cysteine, glutathione) is recommended. Administration of vitamins B6, B12, and folates along with an effective therapy with antioxidants and/or anti-inflammatory drugs at an early stage of PD might contribute to improvement in the quality of the life of patients with PD and to slowing down or stopping the progression of the disease.
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Affiliation(s)
| | | | | | - Wojciech Kozubski
- Chair and Department of Neurology, Poznan University of Medical Sciences, Poznan, Poland
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9
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Hybrid scaffold composed of hydrogel/3D-framework and its application as a dopamine delivery system. J Control Release 2014; 175:10-6. [DOI: 10.1016/j.jconrel.2013.12.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2013] [Revised: 10/08/2013] [Accepted: 12/03/2013] [Indexed: 01/07/2023]
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10
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Puerarin attenuates neuronal degeneration and blocks oxidative stress to elicit a neuroprotective effect on substantia nigra injury in 6-OHDA-lesioned rats. Brain Res 2013; 1517:28-35. [DOI: 10.1016/j.brainres.2013.04.013] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2013] [Revised: 03/28/2013] [Accepted: 04/08/2013] [Indexed: 11/24/2022]
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11
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Jia Z, Babu PVA, Si H, Nallasamy P, Zhu H, Zhen W, Misra HP, Li Y, Liu D. Genistein inhibits TNF-α-induced endothelial inflammation through the protein kinase pathway A and improves vascular inflammation in C57BL/6 mice. Int J Cardiol 2013; 168:2637-45. [PMID: 23587398 DOI: 10.1016/j.ijcard.2013.03.035] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2012] [Revised: 01/07/2013] [Accepted: 03/17/2013] [Indexed: 10/27/2022]
Abstract
Genistein, a soy isoflavone, has received wide attention for its potential to improve vascular function, but the mechanism of this effect is unclear. Here, we report that genistein at physiological concentrations (0.1 μM-5 μM) significantly inhibited TNF-α-induced adhesion of monocytes to human umbilical vein endothelial cells, a key event in the pathogenesis of atherosclerosis. Genistein also significantly suppressed TNF-α-induced production of adhesion molecules and chemokines such as sICAM-1, sVCAM-1, sE-Selectin, MCP-1 and IL-8, which play key role in the firm adhesion of monocytes to activated endothelial cells (ECs). Genistein at physiologically relevant concentrations didn't significantly induce antioxidant enzyme activities or scavenge free radicals. Further, blocking the estrogen receptors (ERs) in ECs didn't alter the preventive effect of genistein on endothelial inflammation. However, inhibition of protein kinase A (PKA) significantly attenuated the inhibitory effects of genistein on TNF-α-induced monocyte adhesion to ECs as well as the production of MCP-1 and IL-8. In animal study, dietary genistein significantly suppressed TNF-α-induced increase in circulating chemokines and adhesion molecules in C57BL/6 mice. Genistein treatment also reduced VCAM-1 and monocytes-derived F4/80-positive macrophages in the aorta of TNF-α-treated mice. In conclusion, genistein protects against TNF-α-induced vascular endothelial inflammation both in vitro and in vivo models. This anti-inflammatory effect of genistein is independent of the ER-mediated signaling machinery or antioxidant activity, but mediated via the PKA signaling pathway.
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Affiliation(s)
- Zhenquan Jia
- Department of Biology, University of North Carolina at Greensboro, Greensboro, 27412, USA.
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12
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Allen GF, Ullah Y, Hargreaves IP, Land JM, Heales SJ. Dopamine but not l-dopa stimulates neural glutathione metabolism. Potential implications for Parkinson’s and other dopamine deficiency states. Neurochem Int 2013; 62:684-94. [DOI: 10.1016/j.neuint.2012.12.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2012] [Revised: 12/01/2012] [Accepted: 12/10/2012] [Indexed: 10/27/2022]
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13
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Omata Y, Salvador GA, Supasai S, Keenan AH, Oteiza PI. Decreased zinc availability affects glutathione metabolism in neuronal cells and in the developing brain. Toxicol Sci 2013; 133:90-100. [PMID: 23377617 DOI: 10.1093/toxsci/kft022] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
A deficit in zinc (Zn) availability can increase cell oxidant production, affect the antioxidant defense system, and trigger oxidant-sensitive signals in neuronal cells. This work tested the hypothesis that a decreased Zn availability can affect glutathione (GSH) metabolism in the developing rat brain and in neuronal cells in culture, as well as the capacity of human neuroblastoma IMR-32 cells to upregulate GSH when challenged with dopamine (DA). GSH levels were low in the brain of gestation day 19 (GD19) fetuses from dams fed marginal Zn diets throughout gestation and in Zn-deficient IMR-32 cells. γ-Glutamylcysteine synthetase (GCL), the first enzyme in the GSH synthetic pathway, was altered by Zn deficiency (ZD). The protein and mRNA levels of the GCL modifier (GCLM) and catalytic (GCLC) subunits were lower in the Zn-deficient GD19 fetal brain and in IMR-32 cells compared with controls. The nuclear translocation of transcription factor nuclear factor (erythroid-derived 2)-like 2, which controls GCL transcription, was impaired by ZD. Posttranslationally, the caspase-3-dependent GCLC cleavage was high in Zn-deficient IMR-32 cells. Cells challenged with DA showed an increase in GCLM and GCLC protein and mRNA levels and a consequent increase in GSH concentration. Although Zn-deficient cells partially upregulated GCL subunits after exposure to DA, GSH content remained low. In summary, results show that a low Zn availability affects the GSH synthetic pathway in neuronal cells and fetal brain both at transcriptional and posttranslational levels. This can in part underlie the GSH depletion associated with ZD and the high sensitivity of Zn-deficient neurons to pro-oxidative stressors.
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Affiliation(s)
- Yo Omata
- Department of Nutrition and Department of Environmental Toxicology, University of California, Davis, California 95616, USA
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14
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Yin F, Sancheti H, Cadenas E. Mitochondrial thiols in the regulation of cell death pathways. Antioxid Redox Signal 2012; 17:1714-27. [PMID: 22530585 PMCID: PMC3474184 DOI: 10.1089/ars.2012.4639] [Citation(s) in RCA: 88] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
SIGNIFICANCE Regulation of mitochondrial H(2)O(2) homeostasis and its involvement in the regulation of redox-sensitive signaling and transcriptional pathways is the consequence of the concerted activities of the mitochondrial energy- and redox systems. RECENT ADVANCES The energy component of this mitochondrial energy-redox axis entails the formation of reducing equivalents and their flow through the respiratory chain with the consequent electron leak to generate [Formula: see text] and H(2)O(2). The mitochondrial redox component entails the thiol-based antioxidant system, largely accounted for by glutathione- and thioredoxin-based systems that support the activities of glutathione peroxidases, peroxiredoxins, and methionine sulfoxide reductase. The ultimate reductant for these systems is NADPH: mitochondrial sources of NADPH are the nicotinamide nucleotide transhydrogenase, isocitrate dehydrogenase-2, and malic enzyme. NADPH also supports the glutaredoxin activity that regulates the extent of S-glutathionylation of mitochondrial proteins in response to altered redox status. CRITICAL ISSUES The integrated network of these mitochondrial thiols constitute a regulatory device involved in the maintenance of steady-state levels of H(2)O(2), mitochondrial and cellular redox and metabolic homeostasis, as well as the modulation of cytosolic redox-sensitive signaling; disturbances of this regulatory device affects transcription, growth, and ultimately influences cell survival/death. FUTURE DIRECTIONS The modulation of key mitochondrial thiol proteins, which participate in redox signaling, maintenance of the bioenergetic machinery, oxidative stress responses, and cell death programming, provides a pivotal direction in developing new therapies towards the prevention and treatment of several diseases.
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Affiliation(s)
- Fei Yin
- Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA 90089, USA
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Tabrez S, Jabir NR, Shakil S, Greig NH, Alam Q, Abuzenadah AM, Damanhouri GA, Kamal MA. A synopsis on the role of tyrosine hydroxylase in Parkinson's disease. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2012; 11:395-409. [PMID: 22483313 PMCID: PMC4978221 DOI: 10.2174/187152712800792785] [Citation(s) in RCA: 102] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2012] [Revised: 02/12/2012] [Accepted: 02/18/2012] [Indexed: 12/14/2022]
Abstract
Parkinson's disease (PD) is a common chronic progressive neurodegenerative disorder in elderly people. A consistent neurochemical abnormality in PD is degeneration of dopaminergic neurons in substantia nigra pars compacta, leading to a reduction of striatal dopamine (DA) levels. As tyrosine hydroxylase (TH) catalyses the formation of L-dihydroxyphenylalanine (L-DOPA), the rate-limiting step in the biosynthesis of DA, the disease can be considered as a TH-deficiency syndrome of the striatum. Problems related to PD usually build up when vesicular storage of DA is altered by the presence of either α-synuclein protofibrils or oxidative stress. Phosphorylation of three physiologically-regulated specific sites of N-terminal domain of TH is vital in regulating its kinetic and protein interaction. The concept of physiological significance of TH isoforms is another interesting aspect to be explored further for a comprehensive understanding of its role in PD. Thus, a logical and efficient strategy for PD treatment is based on correcting or bypassing the enzyme deficiency by the treatment with L-DOPA, DA agonists, inhibitors of DA metabolism or brain grafts with cells expressing a high level of TH. Neurotrophic factors are also attracting the attention of neuroscientists because they provide the essential neuroprotective and neurorestorative properties to the nigrostriatal DA system. PPAR-γ, a key regulator of immune responses, is likewise a promising target for the treatment of PD, which can be achieved by the use of agonists with the potential to impact the expression of pro- and anti-inflammatory cytokines at the transcriptional level in immune cells via expression of TH. Herein, we review the primary biochemical and pathological features of PD, and describe both classical and developing approaches aimed to ameliorate disease symptoms and its progression.
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Affiliation(s)
- Shams Tabrez
- King Fahd Medical Research Center, King Abdulaziz University, P. O. Box 80216, Jeddah 21589, Saudi Arabia
| | - Nasimudeen R. Jabir
- King Fahd Medical Research Center, King Abdulaziz University, P. O. Box 80216, Jeddah 21589, Saudi Arabia
| | - Shazi Shakil
- King Fahd Medical Research Center, King Abdulaziz University, P. O. Box 80216, Jeddah 21589, Saudi Arabia
| | - Nigel H. Greig
- Drug Design & Development Section, Laboratory of Neurosciences, Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, MD 21224, USA
| | - Qamre Alam
- King Fahd Medical Research Center, King Abdulaziz University, P. O. Box 80216, Jeddah 21589, Saudi Arabia
| | - Adel M. Abuzenadah
- King Fahd Medical Research Center, King Abdulaziz University, P. O. Box 80216, Jeddah 21589, Saudi Arabia
| | - Ghazi A. Damanhouri
- King Fahd Medical Research Center, King Abdulaziz University, P. O. Box 80216, Jeddah 21589, Saudi Arabia
| | - Mohammad A. Kamal
- King Fahd Medical Research Center, King Abdulaziz University, P. O. Box 80216, Jeddah 21589, Saudi Arabia
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Zhao N, Ji MX, Xu L, Ji BS. 3-butyl-6-fluoro-1(3H)-isobenzofuranone (6-F-NBP), a derivative of dl-n-butylphthalide, inhibits glutamate-induced cytotoxicity in PC12 cells. Drug Dev Res 2011. [DOI: 10.1002/ddr.20444] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Gao Y, Zhang HW, Qiao HL, Wang W, Chang JB. Protective effect of 3-butyl-6-bromo-1(3H)-isobenzofuranone on hydrogen peroxide-induced damage in PC12 cells. Brain Res 2010; 1358:239-47. [DOI: 10.1016/j.brainres.2010.08.043] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2010] [Revised: 08/13/2010] [Accepted: 08/13/2010] [Indexed: 10/19/2022]
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Dinkova-Kostova AT, Talalay P. NAD(P)H:quinone acceptor oxidoreductase 1 (NQO1), a multifunctional antioxidant enzyme and exceptionally versatile cytoprotector. Arch Biochem Biophys 2010; 501:116-23. [PMID: 20361926 PMCID: PMC2930038 DOI: 10.1016/j.abb.2010.03.019] [Citation(s) in RCA: 519] [Impact Index Per Article: 37.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2010] [Revised: 03/17/2010] [Accepted: 03/25/2010] [Indexed: 12/30/2022]
Abstract
NAD(P)H:quinone acceptor oxidoreductase 1 (NQO1) is a widely-distributed FAD-dependent flavoprotein that promotes obligatory 2-electron reductions of quinones, quinoneimines, nitroaromatics, and azo dyes, at rates that are comparable with NADH or NADPH. These reductions depress quinone levels and thereby minimize opportunities for generation of reactive oxygen intermediates by redox cycling, and for depletion of intracellular thiol pools. NQO1 is a highly-inducible enzyme that is regulated by the Keap1/Nrf2/ARE pathway. Evidence for the importance of the antioxidant functions of NQO1 in combating oxidative stress is provided by demonstrations that induction of NQO1 levels or their depletion (knockout, or knockdown) are associated with decreased and increased susceptibilities to oxidative stress, respectively. Furthermore, benzene genotoxicity is markedly enhanced when NQO1 activity is compromised. Not surprisingly, human polymorphisms that suppress NQO1 activities are associated with increased predisposition to disease. Recent studies have uncovered protective roles for NQO1 that apparently are unrelated to its enzymatic activities. NQO1 binds to and thereby stabilizes the important tumor suppressor p53 against proteasomal degradation. Indeed, NQO1 appears to regulate the degradative fate of other proteins. These findings suggest that NQO1 may exercise a selective "gatekeeping" role in regulating the proteasomal degradation of specific proteins, thereby broadening the cytoprotective role of NQO1 far beyond its highly effective antioxidant functions.
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Affiliation(s)
- Albena T. Dinkova-Kostova
- Biomedical Research Institute, University of Dundee, Dundee, Scotland, UK
- Lewis B. and Dorothy Cullman Chemoprotection Center and Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Paul Talalay
- Lewis B. and Dorothy Cullman Chemoprotection Center and Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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Glutathione Conjugates with Dopamine-Derived Quinones to Form Reactive or Non-Reactive Glutathione-Conjugates. Neurochem Res 2010; 35:1805-18. [DOI: 10.1007/s11064-010-0247-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/07/2010] [Indexed: 01/17/2023]
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Posser T, Dunkley PR, Dickson PW, Franco JL. Human neuroblastoma cells transfected with tyrosine hydroxylase gain increased resistance to methylmercury-induced cell death. Toxicol In Vitro 2010; 24:1498-503. [PMID: 20650311 DOI: 10.1016/j.tiv.2010.07.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2010] [Revised: 07/12/2010] [Accepted: 07/15/2010] [Indexed: 11/26/2022]
Abstract
In a previous study we demonstrated that human neuroblastoma SH-SY5Y cells transfected with human tyrosine hydroxylase isoform 1 (SH+TH cells) were substantially more resistant to cell death induced by pro-oxidants than wild type SH-SY5Y cells (SH cells). In the present communication we used methylmercury as a model of cell stress in order to test whether SH+TH cells would behave in a similar manner in response to this stressor. Incubation with methylmercury (0.1-3 microM) for 24h caused a significant reduction in cell viability and increased apoptotic markers in both cell types. However, the effects were significantly reduced in the SH+TH cells when compared to the SH cells. Activation of p38(MAPK) was also reduced in the SH+TH compared to the SH cells after methylmercury exposure. Since p38(MAPK) is known to participate in signal transduction pathways during cell stress, our data suggest that SH+TH cells develop an increased resistance to environmental stress caused by neurotoxins such as methylmercury. In conclusion our results show that insertion of the human TH gene in cells that originally do not express this protein leads to alterations in cell homeostasis and triggers defense mechanisms against pro-oxidative insults.
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Affiliation(s)
- Thaís Posser
- Departamento de Química, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, Brazil
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Wang XJ, Hayes JD, Higgins LG, Wolf CR, Dinkova-Kostova AT. Activation of the NRF2 signaling pathway by copper-mediated redox cycling of para- and ortho-hydroquinones. CHEMISTRY & BIOLOGY 2010; 17:75-85. [PMID: 20142043 DOI: 10.1016/j.chembiol.2009.12.013] [Citation(s) in RCA: 87] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2009] [Revised: 12/12/2009] [Accepted: 12/15/2009] [Indexed: 11/18/2022]
Abstract
Transcription factor NF-E2 p45-related factor 2 (Nrf2) mediates adaptation to oxidants and electrophiles through up-regulating genes that contain antioxidant response elements (AREs) in their promoters. Using the stably transfected human AREc32 reporter cell line, we found that copper and other transition metals enhanced induction of ARE-driven luciferase by 2-tert-butyl-1,4-hydroquinone (tBHQ) as a result of increased oxidation to 2-tert-butyl-1,4-benzoquinone (tBQ). Following exposure to tBHQ for 30 min, ARE-luciferase activity measured after 24 hr was dependent on the presence of Cu(2+). In contrast, tBQ-induced activity was Cu(2+)-independent. The metal-catalyzed oxidation of tBHQ to tBQ occured rapidly and stoichiometrically. Compounds that share para- or ortho-hydroquinone structures, such as catechol estrogens, dopamine, and l-DOPA, also induced ARE-driven luciferase in a Cu(2+)-dependent manner. Thus, the oxidation of para- and ortho-hydroquinones to quinones represents the rate-limiting step in the activation of Nrf2.
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Affiliation(s)
- Xiu Jun Wang
- Cancer Research UK Molecular Pharmacology Unit, Biomedical Research Institute, Ninewells Hospital and Medical School, University of Dundee, Dundee, Scotland, UK
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Franco JL, Posser T, Gordon SL, Bobrovskaya L, Schneider JJ, Farina M, Dafre AL, Dickson PW, Dunkley PR. Expression of Tyrosine Hydroxylase Increases the Resistance of Human Neuroblastoma Cells to Oxidative Insults. Toxicol Sci 2009; 113:150-7. [DOI: 10.1093/toxsci/kfp245] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Clark J, Simon DK. Transcribe to survive: transcriptional control of antioxidant defense programs for neuroprotection in Parkinson's disease. Antioxid Redox Signal 2009; 11:509-28. [PMID: 18717631 DOI: 10.1089/ars.2008.2241] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Parkinson's disease (PD) is a progressive, primarily motor disorder that is characterized by loss of dopaminergic (DA) neurons within the substantia nigra (SN). Cell death in PD has been associated with impaired mitochondrial function and increased oxidative stress. Strategies to reduce the oxidative load in DA cells may be beneficial in slowing the progression of PD. The transcription factor nuclear factor-erythroid 2 (NF-E2) related factor 2 (NRF2) is emerging as a master regulator of antioxidant defense systems, which makes it an attractive target for manipulations that aim to increase cellular resistance to oxidative stress. Peroxisome proliferator-activated receptor gamma (PPARgamma) coactivator-1 alpha (PGC1alpha) is a regulator of mitochondrial biogenesis genes that simultaneously upregulates many genes known to protect against oxidative stress. Pgc-1alpha knockout mice show enhanced susceptibility to SN neuronal loss following MPTP exposure, whilst overexpression of Pgc-1alpha appears to protect against oxidative stress in vitro. This makes PGC-1alpha a highly attractive target for neuroprotective therapies in PD. This review will explore the mechanisms behind the induction of NRF2 and PGC-1alpha in response to oxidative stress and identify common pathways that may provide targets for upregulating antioxidant defense programs.
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Affiliation(s)
- Joanne Clark
- Beth Israel Deaconess Medical Center, Department of Neurology, Boston, Massachusetts 02215, USA.
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