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AlAhmad M, Isbea H, Shitaw E, Li F, Sivaprasadarao A. NOX2-TRPM2 coupling promotes Zn 2+ inhibition of complex III to exacerbate ROS production in a cellular model of Parkinson's disease. Sci Rep 2024; 14:18431. [PMID: 39117781 PMCID: PMC11310326 DOI: 10.1038/s41598-024-66630-9] [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: 03/10/2024] [Accepted: 07/03/2024] [Indexed: 08/10/2024] Open
Abstract
Reactive oxygen species (ROS) serve vital physiological functions, but aberrant ROS production contributes to numerous diseases. Unfortunately, therapeutic progress targeting pathogenic ROS has been hindered by the limited understanding of whether the mechanisms driving pathogenic ROS differ from those governing physiological ROS generation. To address this knowledge gap, we utilised a cellular model of Parkinson's disease (PD), as an exemplar of ROS-associated diseases. We exposed SH-SY5Y neuroblastoma cells to the PD-toxin, MPP+ (1-methyl-4-phenylpyridinium) and studied ROS upregulation leading to cell death, the primary cause of PD. We demonstrate: (1) MPP+ stimulates ROS production by raising cytoplasmic Ca2+ levels, rather than acting directly on mitochondria. (2) To raise the Ca2+, MPP+ co-stimulates NADPH oxidase-2 (NOX2) and the Transient Receptor Potential Melastatin2 (TRPM2) channel that form a positive feedback loop to support each other's function. (3) Ca2+ exacerbates mitochondrial ROS (mtROS) production not directly, but via Zn2+. (4) Zn2+ promotes electron escape from respiratory complexes, predominantly from complex III, to generate mtROS. These conclusions are drawn from data, wherein inhibition of TRPM2 and NOX2, chelation of Ca2+ and Zn2+, and prevention of electron escape from complexes -all abolished the ability of MPP+ to induce mtROS production and the associated cell death. Furthermore, calcium ionophore mimicked the effects of MPP+, while Zn2+ ionophore replicated the effects of both MPP+ and Ca2+. Thus, we unveil a previously unrecognized signalling circuit involving NOX2, TRPM2, Ca2+, Zn2+, and complex III that drives cytotoxic ROS production. This circuit lies dormant in healthy cells but is triggered by pathogenic insults and could therefore represent a safe therapeutic target for PD and other ROS-linked diseases.
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Affiliation(s)
- Maali AlAhmad
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, G6.44d, Garstang Building, Leeds, LS29JT, UK
- Department of Biological Sciences, College of Science, Kuwait University, Alshadadiya, PO Box 5969, 130602, Safat, Kuwait
| | - Hala Isbea
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, G6.44d, Garstang Building, Leeds, LS29JT, UK
| | - Esra Shitaw
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, G6.44d, Garstang Building, Leeds, LS29JT, UK
| | - Fangfang Li
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, G6.44d, Garstang Building, Leeds, LS29JT, UK
- Center for Rehabilitation Medicine, Rehabilitation and Sports Medicine Research Institute of Zhejiang Province, Department of Rehabilitation Medicine, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, China
| | - Asipu Sivaprasadarao
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, G6.44d, Garstang Building, Leeds, LS29JT, UK.
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Sachan N, Tiwari N, Patel DK, Katiyar D, Srikrishna S, Singh MP. Dyshomeostasis of Iron and Its Transporter Proteins in Cypermethrin-Induced Parkinson's Disease. Mol Neurobiol 2023; 60:5838-5852. [PMID: 37351784 DOI: 10.1007/s12035-023-03436-2] [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: 02/27/2023] [Accepted: 06/06/2023] [Indexed: 06/24/2023]
Abstract
The etiology of Parkinson's disease (PD) is highly complex and is still indefinable. However, a number of studies have indicated the involvement of pesticides and transition metals. Copper, magnesium, iron, and zinc have emerged as important metal contributors. Exposure to pesticides causes an accumulation of transition metals in the substantia nigra (SN) region of the brain. The cypermethrin model of PD is characterized by mitochondrial dysfunction, autophagy impairment, oxidative stress, etc. However, the effect of cypermethrin on metal homeostasis is not yet explored. The study was designed to delineate the role of metals and their transporter proteins in cypermethrin-induced animal and cellular models of PD. The level of copper, magnesium, iron, and zinc was checked in the nigrostriatal tissue and serum by atomic absorption spectroscopy. Since cypermethrin consistently increased iron content in the nigrostriatal tissue and serum after 12 weeks of exposure, the level of iron transporter proteins, such as divalent metal transporter-1 (DMT-1), ceruloplasmin, transferrin, ferroportin, and hepcidin, and their in silico interaction with cypermethrin were checked. 3,3'-Diaminobenzidine-enhanced Perl's staining showed an elevated number of iron-positive cells in the SN of cypermethrin-treated rats. Molecular docking studies revealed a strong binding affinity between cypermethrin and iron transporter protein receptors of humans and rats. Furthermore, cypermethrin increased the expression of DMT-1 and hepcidin while reducing the expression of transferrin, ceruloplasmin, and ferroportin in the nigrostriatal tissue and human neuroblastoma cells. These observations suggest that cypermethrin alters the expression of iron transporter proteins leading to iron dyshomeostasis, which could contribute to dopaminergic neurotoxicity.
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Affiliation(s)
- Nidhi Sachan
- Cancer and Neurobiology Laboratory, Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, 221 005, Uttar Pradesh, India
- Toxicogenomics and Predictive Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226 001, Uttar Pradesh, India
| | - Neha Tiwari
- Department of Chemistry, Banaras Hindu University, Mahila Maha Vidyalaya, Varanasi, 221 005, Uttar Pradesh, India
| | - Devendra Kumar Patel
- Analytical Chemistry Laboratory, Regulatory Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226 001, Uttar Pradesh, India
| | - Diksha Katiyar
- Department of Chemistry, Banaras Hindu University, Mahila Maha Vidyalaya, Varanasi, 221 005, Uttar Pradesh, India
| | - Saripella Srikrishna
- Cancer and Neurobiology Laboratory, Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, 221 005, Uttar Pradesh, India.
| | - Mahendra Pratap Singh
- Toxicogenomics and Predictive Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226 001, Uttar Pradesh, India.
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Wang B, Fang T, Chen H. Zinc and Central Nervous System Disorders. Nutrients 2023; 15:2140. [PMID: 37432243 DOI: 10.3390/nu15092140] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 04/26/2023] [Accepted: 04/27/2023] [Indexed: 07/12/2023] Open
Abstract
Zinc (Zn2+) is the second most abundant necessary trace element in the human body, exerting a critical role in many physiological processes such as cellular proliferation, transcription, apoptosis, growth, immunity, and wound healing. It is an essential catalyst ion for many enzymes and transcription factors. The maintenance of Zn2+ homeostasis is essential for the central nervous system, in which Zn2+ is abundantly distributed and accumulates in presynaptic vesicles. Synaptic Zn2+ is necessary for neural transmission, playing a pivotal role in neurogenesis, cognition, memory, and learning. Emerging data suggest that disruption of Zn2+ homeostasis is associated with several central nervous system disorders including Alzheimer's disease, depression, Parkinson's disease, multiple sclerosis, schizophrenia, epilepsy, and traumatic brain injury. Here, we reviewed the correlation between Zn2+ and these central nervous system disorders. The potential mechanisms were also included. We hope that this review can provide new clues for the prevention and treatment of nervous system disorders.
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Affiliation(s)
- Bangqi Wang
- Department of Histology and Embryology, Medical College, Nanchang University, Nanchang 330006, China
- Queen Mary School, Medical College, Nanchang University, Nanchang 330006, China
| | - Tianshu Fang
- Department of Histology and Embryology, Medical College, Nanchang University, Nanchang 330006, China
- Queen Mary School, Medical College, Nanchang University, Nanchang 330006, China
| | - Hongping Chen
- Department of Histology and Embryology, Medical College, Nanchang University, Nanchang 330006, China
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Blume B, Schwantes V, Witting M, Hayen H, Schmitt-Kopplin P, Helmer PO, Michalke B. Lipidomic and Metallomic Alteration of Caenorhabditis elegans after Acute and Chronic Manganese, Iron, and Zinc Exposure with a Link to Neurodegenerative Disorders. J Proteome Res 2023; 22:837-850. [PMID: 36594972 DOI: 10.1021/acs.jproteome.2c00578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Parkinson's disease (PD) progresses with the loss of dopaminergic neurons in the substantia nigra pars compacta region of the brain. The superior mechanisms and the cause of this specific localized neurodegeneration is currently unknown. However, experimental evidence indicates a link between PD progression and reactive oxygen species with imbalanced metal homeostasis. Wild-type Caenorhabditis elegans exposed to redox-active metals was used as the model organism to study cellular response to imbalanced metal homeostasis linked to neurodegenerative diseases. Using modern hyphenated techniques such as capillary electrophoresis coupled to inductively coupled plasma mass spectrometry and ultrahigh-performance liquid chromatography mass spectrometry, alterations in the lipidome and metallome were determined in vivo. In contrast to iron, most of the absorbed zinc and manganese were loosely bound. We observed changes in the phospholipid composition for acute iron and manganese exposures, as well as chronic zinc exposure. Furthermore, we focused on the mitochondrial membrane alteration due to its importance in neuronal function. However, significant changes in the inner mitochondrial membrane by determination of cardiolipin species could only be observed for acute iron exposure. These results indicate different intracellular sites of local ROS generation, depending on the redox active metal. Our study combines metallomic and lipidomic alterations as the cause and consequence to enlighten intracellular mechanisms in vivo, associated with PD progression. The mass spectrometry raw data have been deposited to the MassIVE database (https://massive.ucsd.edu) with the identifier MSV000090796 and 10.25345/C51J97C8F.
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Affiliation(s)
- Bastian Blume
- Research Unit Analytical BioGeoChemistry, Helmholtz Zentrum München-German Research Center for Environmental Health (GmbH), 85764 Neuherberg, Germany
| | - Vera Schwantes
- Institute for Inorganic and Analytical Chemistry, University of Münster, 48149 Münster, Germany
| | - Michael Witting
- Metabolomics and Proteomics, Helmholtz Zentrum München-German Research Center for Environmental Health (GmbH), 85764 Neuherberg, Germany.,Chair of Analytical Food Chemistry, TUM School of Life Science, Technical University of Munich, 85354 Freising-Weihenstephan, Germany
| | - Heiko Hayen
- Institute for Inorganic and Analytical Chemistry, University of Münster, 48149 Münster, Germany
| | - Philippe Schmitt-Kopplin
- Research Unit Analytical BioGeoChemistry, Helmholtz Zentrum München-German Research Center for Environmental Health (GmbH), 85764 Neuherberg, Germany.,Chair of Analytical Food Chemistry, TUM School of Life Science, Technical University of Munich, 85354 Freising-Weihenstephan, Germany
| | - Patrick O Helmer
- Institute for Inorganic and Analytical Chemistry, University of Münster, 48149 Münster, Germany
| | - Bernhard Michalke
- Research Unit Analytical BioGeoChemistry, Helmholtz Zentrum München-German Research Center for Environmental Health (GmbH), 85764 Neuherberg, Germany
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Lee J, Park S, Jang W. Serum zinc deficiency could be associated with dementia conversion in Parkinson's disease. Front Aging Neurosci 2023; 15:1132907. [PMID: 37181629 PMCID: PMC10172503 DOI: 10.3389/fnagi.2023.1132907] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 04/07/2023] [Indexed: 05/16/2023] Open
Abstract
Background Association between heavy metals and Parkinson's disease (PD) is well noted, but studies regarding heavy metal levels and non-motor symptoms of PD, such as PD's dementia (PD-D), are lacking. Methods In this retrospective cohort study, we compared five serum heavy metal levels (Zn, Cu, Pb, Hg, and Mn) of newly diagnosed PD patients (n = 124). Among 124 patients, 40 patients were later converted to Parkinson's disease dementia (PD-D), and 84 patients remained without dementia during the follow-up time. We collected clinical parameters of PD and conducted correlation analysis with heavy metal levels. PD-D conversion time was defined as the initiation time of cholinesterase inhibitors. Cox proportional hazard models were used to identify factors associated with dementia conversion in PD subjects. Results Zn deficiency was significant in the PD-D group than in the PD without dementia group (87.53 ± 13.20 vs. 74.91 ± 14.43, p < 0.01). Lower serum Zn level was significantly correlated with K-MMSE and LEDD at 3 months (r = -0.28, p < 0.01; r = 0.38, p < 0.01). Zn deficiency also contributed to a shorter time to dementia conversion (HR 0.953, 95% CI 0.919 to 0.988, p < 0.01). Conclusion This clinical study suggests that a low serum Zn level can be a risk factor for developing PD-D and could be used as a biological marker for PD-D conversion.
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Affiliation(s)
- Jieun Lee
- Department of Family Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Suyeon Park
- Department of Biostatistics, Soonchunhyang University Hospital, Seoul, Republic of Korea
| | - Wooyoung Jang
- Department of Neurology, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Republic of Korea
- *Correspondence: Wooyoung Jang,
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Kim YM, Choi SY, Hwang O, Lee JY. Pyruvate Prevents Dopaminergic Neurodegeneration and Motor Deficits in the 1-Methyl-4-Phenyl-1,2,3,6-Tetrahydropyridine Model of Parkinson's Disease. Mol Neurobiol 2022; 59:6956-6970. [PMID: 36057709 DOI: 10.1007/s12035-022-03017-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 08/23/2022] [Indexed: 11/26/2022]
Abstract
Parkinson's disease (PD) is a progressive neurodegenerative disorder characterized by the selective loss of dopamine(DA)rgic neurons in the substantia nigra of the midbrain, and primarily causes motor symptoms. While the pathological cause of PD remains uncertain, oxidative damage, neuroinflammation, and energy metabolic perturbation have been implicated. Pyruvate has been shown neuroprotective in animal models for many neurological disorders, presumably owing to its potent anti-oxidative, anti-inflammatory, and energy metabolic properties. We therefore investigated whether exogenous pyruvate could also protect nigral DA neurons from degeneration and reverse the associated motor deficits in an animal model of PD using the DA neuron-specific toxin 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP). MPTP (20 mg/kg) was injected four times every 2 h into the peritoneum of mice, which resulted in a massive loss of DA neurons as well as an increase in neuronal death and cytosolic labile zinc overload. There were rises in inflammatory and oxidative responses, a drop in the striatal DA level, and the emergence of PD-related motor deficits. In comparison, when sodium pyruvate was administered intraperitoneally at a daily dose of 250 mg/kg for 7 days starting 2 h after the final MPTP treatment, significant relief in the MPTP-induced neuropathology, neurodegeneration, DA depletion, and motor symptoms was observed. Equiosmolar dose of NaCl had no neuroprotective effect, and lower doses of sodium pyruvate did not have any statistically significant effects. These findings suggest that pyruvate has therapeutic potential for the treatment of PD and related neurodegenerative diseases.
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Affiliation(s)
- Yun-Mi Kim
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea
- Asan Institute for Life Sciences, Asan Medical Center, Seoul, 05505, Republic of Korea
| | - Su Yeon Choi
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea
- Asan Institute for Life Sciences, Asan Medical Center, Seoul, 05505, Republic of Korea
| | - Onyou Hwang
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea.
| | - Joo-Yong Lee
- Asan Institute for Life Sciences, Asan Medical Center, Seoul, 05505, Republic of Korea.
- Department of Convergence Medicine, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea.
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Teil M, Doudnikoff E, Thiolat ML, Bohic S, Bezard E, Dehay B. The Zinc Ionophore Clioquinol Reduces Parkinson's Disease Patient-Derived Brain Extracts-Induced Neurodegeneration. Mol Neurobiol 2022; 59:6245-6259. [PMID: 35915387 DOI: 10.1007/s12035-022-02974-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 07/20/2022] [Indexed: 11/25/2022]
Abstract
Parkinson's disease (PD) is pathologically characterized by intracellular α-synuclein-rich protein aggregates, named Lewy bodies (LB), and by the progressive loss of dopaminergic neurons in the substantia nigra. Several heavy metals, including zinc (Zn), have been suggested to play a role in PD progression, although the exact role of Zn in neurodegeneration remains to be fully elucidated. To address this gap, we investigated the effects of Zn modulation on the progression of degeneration in mice injected with PD patient-derived LB-extracts carrying toxic α-synuclein aggregates. Zn modulation was achieved using either a clioquinol-enriched diet, a Zn ionophore that redistributes cellular Zn, or a Zn-enriched diet that increases Zn levels. Clioquinol treatment significantly prevented dopaminergic neurodegeneration and reduced α-synuclein-associated pathology in LB-injected mice, while no differences were observed with Zn supplementation. Biochemical analyses further demonstrate that the expression levels of vesicle-specific Zn transporter ZnT3 in the striatum of LB-injected mice treated with clioquinol were decreased, suggesting an intracellular redistribution of Zn. Additionally, we found that clioquinol modulates the autophagy-lysosomal pathway by enhancing lysosomal redistribution within the neuronal compartments. Collectively, we found that in vivo pharmacological chelation of Zn, by dampening Zn-mediated cytotoxicity, can result in an overall attenuation of PD-linked lysosomal alterations and dopaminergic neurodegeneration. The results support zinc chelation as a disease-modifying strategy for treating PD.
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Affiliation(s)
- Margaux Teil
- Univ. Bordeaux, CNRS, IMN, UMR 5293, F-33000, Bordeaux, France
| | | | | | - Sylvain Bohic
- Synchrotron Radiation for Biomedicine (STROBE), Univ. Grenoble Alpes, Inserm, UA7, 38000, Grenoble, France
| | - Erwan Bezard
- Univ. Bordeaux, CNRS, IMN, UMR 5293, F-33000, Bordeaux, France
| | - Benjamin Dehay
- Univ. Bordeaux, CNRS, IMN, UMR 5293, F-33000, Bordeaux, France.
- Institut des Maladies Neurodégénératives, Université de Bordeaux, CNRS UMR 5293, Centre Broca Nouvelle-Aquitaine, 146 rue Léo Saignat, 33076, Bordeaux cedex, France.
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Gao H, Sun H, Yan N, Zhao P, Xu H, Zheng W, Zhang X, Wang T, Guo C, Zhong M. ATP13A2 Declines Zinc-Induced Accumulation of α-Synuclein in a Parkinson’s Disease Model. Int J Mol Sci 2022; 23:ijms23148035. [PMID: 35887392 PMCID: PMC9318580 DOI: 10.3390/ijms23148035] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/11/2022] [Accepted: 07/18/2022] [Indexed: 02/01/2023] Open
Abstract
Parkinson’s disease (PD) is characterized by the presence of Lewy bodies caused by α-synuclein. The imbalance of zinc homeostasis is a major cause of PD, promoting α-synuclein accumulation. ATP13A2, a transporter found in acidic vesicles, plays an important role in Zn2+ homeostasis and is highly expressed in Lewy bodies in PD-surviving neurons. ATP13A2 is involved in the transport of zinc ions in lysosomes and exosomes and inhibits the aggregation of α-synuclein. However, the potential mechanism underlying the regulation of zinc homeostasis and α-synuclein accumulation by ATP13A2 remains unexplored. We used α-synuclein-GFP transgenic mice and HEK293 α-synuclein-DsRed cell line as models. The spatial exploration behavior of mice was significantly reduced, and phosphorylation levels of α-synuclein increased upon high Zn2+ treatment. High Zn2+ also inhibited the autophagy pathway by reducing LAMP2a levels and changing the expression of LC3 and P62, by reducing mitochondrial membrane potential and increasing the expression of cytochrom C, and by activating the ERK/P38 apoptosis signaling pathway, ultimately leading to increased caspase 3 levels. These protein changes were reversed after ATP13A2 overexpression, whereas ATP13A2 knockout exacerbated α-synuclein phosphorylation levels. These results suggest that ATP13A2 may have a protective effect on Zn2+-induced abnormal aggregation of α-synuclein, lysosomal dysfunction, and apoptosis.
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Affiliation(s)
- Huiling Gao
- College of Life and Health Sciences, Northeastern University, Shenyang 110169, China; (H.G.); (H.S.); (P.Z.); (T.W.); (C.G.)
| | - Hehong Sun
- College of Life and Health Sciences, Northeastern University, Shenyang 110169, China; (H.G.); (H.S.); (P.Z.); (T.W.); (C.G.)
| | - Nan Yan
- School of Medical Applied Technology, Shenyang Medical College, Shenyang 110034, China;
| | - Pu Zhao
- College of Life and Health Sciences, Northeastern University, Shenyang 110169, China; (H.G.); (H.S.); (P.Z.); (T.W.); (C.G.)
| | - He Xu
- Department of Anatomy, Histology and Embryology, School of Medicine, Shenzhen University, Shenzhen 518060, China;
| | - Wei Zheng
- Department of Histology and Embryology, School of Basic Medical Sciences, China Medical University, Shenyang 110122, China;
| | - Xiaoyu Zhang
- Division of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China;
| | - Tao Wang
- College of Life and Health Sciences, Northeastern University, Shenyang 110169, China; (H.G.); (H.S.); (P.Z.); (T.W.); (C.G.)
| | - Chuang Guo
- College of Life and Health Sciences, Northeastern University, Shenyang 110169, China; (H.G.); (H.S.); (P.Z.); (T.W.); (C.G.)
| | - Manli Zhong
- College of Life and Health Sciences, Northeastern University, Shenyang 110169, China; (H.G.); (H.S.); (P.Z.); (T.W.); (C.G.)
- Correspondence:
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Synaptic Zinc: An Emerging Player in Parkinson's Disease. Int J Mol Sci 2021; 22:ijms22094724. [PMID: 33946908 PMCID: PMC8125092 DOI: 10.3390/ijms22094724] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 04/26/2021] [Accepted: 04/26/2021] [Indexed: 02/03/2023] Open
Abstract
Alterations of zinc homeostasis have long been implicated in Parkinson's disease (PD). Zinc plays a complex role as both deficiency and excess of intracellular zinc levels have been incriminated in the pathophysiology of the disease. Besides its role in multiple cellular functions, Zn2+ also acts as a synaptic transmitter in the brain. In the forebrain, subset of glutamatergic neurons, namely cortical neurons projecting to the striatum, use Zn2+ as a messenger alongside glutamate. Overactivation of the cortico-striatal glutamatergic system is a key feature contributing to the development of PD symptoms and dopaminergic neurotoxicity. Here, we will cover recent evidence implicating synaptic Zn2+ in the pathophysiology of PD and discuss its potential mechanisms of actions. Emphasis will be placed on the functional interaction between Zn2+ and glutamatergic NMDA receptors, the most extensively studied synaptic target of Zn2+.
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Atsushi T, Tamano H. New insight into Parkinson's disease pathogenesis from reactive oxygen species-mediated extracellular Zn 2+ influx. J Trace Elem Med Biol 2020; 61:126545. [PMID: 32438294 DOI: 10.1016/j.jtemb.2020.126545] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 04/07/2020] [Accepted: 04/30/2020] [Indexed: 01/21/2023]
Abstract
BACKGROUND Parkinson's disease (PD) is the common neurodegenerative disorder in the elderly characterized by motor symptoms such as tremors, which is caused by selective loss of nigral dopaminergic neurons. Oxidative stress induced by the auto-oxidation of dopamine has been implicated as a key cause of the selective loss of dopaminergic neurons. METHODS To understand the selective loss of nigral dopaminergic neurons, the PD pathogenesis is reviewed focused on paraquat (PQ) and 6-hydroxydopamine (6-OHDA)-induced PD in rats. RESULTS Reactive oxygen species (ROS), which are produced by PQ and 6-OHDA, are retrogradely transported to presynaptic glutamatergic neuron terminals. ROS activate presynaptic transient receptor potential melastatin 2 (TRPM2) cation channels and induce extracellular glutamate accumulation in the substantia nigra pars compacta (SNpc), followed by age-related intracellular Zn2+ dysregulation. Loss of nigral dopaminergic neurons is accelerated by age-related intracellular Zn2+ dysregulation in the SNpc of rat PD models. The intracellular Zn2+ dysregulation in nigral dopaminergic neurons is linked with the rapid influx of extracellular Zn2+ via postsynaptic AMPA receptor activation, suggesting that PQ- and 6-OHDA-induced pathogenesis is linked with age-related intracellular Zn2+ dysregulation in the SNpc. Postsynaptic TRPM2 channels may be also involved in intracellular Zn2+ dysregulation in the SNpc. CONCLUSION A novel mechanism of nigral dopaminergic degeneration, in which ROS induce rapid intracellular Zn2+ dysregulation, figures out the PD pathogenesis induced by PQ and 6-OHDA in rats. This review deals with new insight into PD pathogenesis from ROS-mediated extracellular Zn2+ influx and its proposed defense strategy.
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Affiliation(s)
- Takeda Atsushi
- Department of Neurophysiology, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan.
| | - Haruna Tamano
- Department of Neurophysiology, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
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Bourdenx M, Nioche A, Dovero S, Arotcarena ML, Camus S, Porras G, Thiolat ML, Rougier NP, Prigent A, Aubert P, Bohic S, Sandt C, Laferrière F, Doudnikoff E, Kruse N, Mollenhauer B, Novello S, Morari M, Leste-Lasserre T, Trigo-Damas I, Goillandeau M, Perier C, Estrada C, Garcia-Carrillo N, Recasens A, Vaikath NN, El-Agnaf OMA, Herrero MT, Derkinderen P, Vila M, Obeso JA, Dehay B, Bezard E. Identification of distinct pathological signatures induced by patient-derived α-synuclein structures in nonhuman primates. SCIENCE ADVANCES 2020; 6:eaaz9165. [PMID: 32426502 PMCID: PMC7220339 DOI: 10.1126/sciadv.aaz9165] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 03/06/2020] [Indexed: 06/11/2023]
Abstract
Dopaminergic neuronal cell death, associated with intracellular α-synuclein (α-syn)-rich protein aggregates [termed "Lewy bodies" (LBs)], is a well-established characteristic of Parkinson's disease (PD). Much evidence, accumulated from multiple experimental models, has suggested that α-syn plays a role in PD pathogenesis, not only as a trigger of pathology but also as a mediator of disease progression through pathological spreading. Here, we have used a machine learning-based approach to identify unique signatures of neurodegeneration in monkeys induced by distinct α-syn pathogenic structures derived from patients with PD. Unexpectedly, our results show that, in nonhuman primates, a small amount of singular α-syn aggregates is as toxic as larger amyloid fibrils present in the LBs, thus reinforcing the need for preclinical research in this species. Furthermore, our results provide evidence supporting the true multifactorial nature of PD, as multiple causes can induce a similar outcome regarding dopaminergic neurodegeneration.
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Affiliation(s)
- M. Bourdenx
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
- CNRS, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
| | - A. Nioche
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
- CNRS, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
- Institut Jean Nicod, Département d’études cognitives, ENS, EHESS, PSL Research University, 75005 Paris, France
- Institut Jean Nicod, Département d’études cognitives, CNRS, UMR 8129, Paris, France
| | - S. Dovero
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
- CNRS, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
| | - M.-L. Arotcarena
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
- CNRS, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
| | - S. Camus
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
- CNRS, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
| | - G. Porras
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
- CNRS, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
| | - M.-L. Thiolat
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
- CNRS, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
| | - N. P. Rougier
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
- CNRS, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
- INRIA Bordeaux Sud-Ouest, 33405 Talence, France
| | - A. Prigent
- INSERM, U1235, Nantes F-44035, France
- Nantes University, Nantes F-44035, France
- CHU Nantes, Department of Neurology, Nantes F-44093, France
| | - P. Aubert
- INSERM, U1235, Nantes F-44035, France
- Nantes University, Nantes F-44035, France
- CHU Nantes, Department of Neurology, Nantes F-44093, France
| | - S. Bohic
- EA-7442 Rayonnement Synchrotron et Recherche Medicale, RSRM, University of Grenoble Alpes, 38000 Grenoble, France
| | - C. Sandt
- SMIS beamline, Synchrotron SOLEIL, l’orme des merisiers, 91192 Gif sur Yvette, France
| | - F. Laferrière
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
- CNRS, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
| | - E. Doudnikoff
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
- CNRS, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
| | - N. Kruse
- Paracelsus-Elena-Klinik, Kassel, Germany
- University Medical Center Goettingen, Institute of Neuropathology, Goettingen, Germany
| | - B. Mollenhauer
- Paracelsus-Elena-Klinik, Kassel, Germany
- University Medical Center Goettingen, Institute of Neuropathology, Goettingen, Germany
| | - S. Novello
- Department of Medical Sciences, Section of Pharmacology, University of Ferrara, via Fossato di Mortara 17-19, 44121 Ferrara, Italy
- Neuroscience Center and National Institute of Neuroscience, University of Ferrara, via Fossato di Mortara 17-19, 44121 Ferrara, Italy
| | - M. Morari
- Department of Medical Sciences, Section of Pharmacology, University of Ferrara, via Fossato di Mortara 17-19, 44121 Ferrara, Italy
- Neuroscience Center and National Institute of Neuroscience, University of Ferrara, via Fossato di Mortara 17-19, 44121 Ferrara, Italy
| | - T. Leste-Lasserre
- INSERM, Neurocentre Magendie, U1215, Physiopathologie de la Plasticité Neuronale, F-33000 Bordeaux, France
| | - I. Trigo-Damas
- HM CINAC, HM Puerta del Sur and CEU–San Pablo University Madrid, E-28938 Mostoles, Spain
- Center for Networked Biomedical Research on Neurodegenerative Diseases (CIBERNED), Instituto Carlos III, Madrid, Spain
| | - M. Goillandeau
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
- CNRS, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
| | - C. Perier
- Center for Networked Biomedical Research on Neurodegenerative Diseases (CIBERNED), Instituto Carlos III, Madrid, Spain
- Neurodegenerative Diseases Research Group, Vall d’Hebron Research Institute (VHIR)–Center for Networked Biomedical Research on Neurodegenerative Diseases (CIBERNED), Barcelona, Spain
| | - C. Estrada
- Clinical and Experimental Neuroscience Unit, School of Medicine, Biomedical Research Institute of Murcia (IMIB), University of Murcia, Campus Mare Nostrum, 30100 Murcia, Spain
- Institute of Research on Aging (IUIE), School of Medicine, University of Murcia, 30100 Murcia, Spain
| | - N. Garcia-Carrillo
- Centro Experimental en Investigaciones Biomédica (CEIB), Universidad de Murcia, Murcia, Spain
| | - A. Recasens
- Center for Networked Biomedical Research on Neurodegenerative Diseases (CIBERNED), Instituto Carlos III, Madrid, Spain
- Neurodegenerative Diseases Research Group, Vall d’Hebron Research Institute (VHIR)–Center for Networked Biomedical Research on Neurodegenerative Diseases (CIBERNED), Barcelona, Spain
| | - N. N. Vaikath
- Neurological Disorders Research Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Education City, Qatar
| | - O. M. A. El-Agnaf
- Neurological Disorders Research Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Education City, Qatar
| | - M. T. Herrero
- Clinical and Experimental Neuroscience Unit, School of Medicine, Biomedical Research Institute of Murcia (IMIB), University of Murcia, Campus Mare Nostrum, 30100 Murcia, Spain
- Institute of Research on Aging (IUIE), School of Medicine, University of Murcia, 30100 Murcia, Spain
| | - P. Derkinderen
- INSERM, U1235, Nantes F-44035, France
- Nantes University, Nantes F-44035, France
- CHU Nantes, Department of Neurology, Nantes F-44093, France
| | - M. Vila
- Center for Networked Biomedical Research on Neurodegenerative Diseases (CIBERNED), Instituto Carlos III, Madrid, Spain
- Neurodegenerative Diseases Research Group, Vall d’Hebron Research Institute (VHIR)–Center for Networked Biomedical Research on Neurodegenerative Diseases (CIBERNED), Barcelona, Spain
- Department of Biochemistry and Molecular Biology, Autonomous University of Barcelona (UAB), Barcelona, Spain
- Catalan Institution for Research and Advanced Studies (ICREA), Barcelona, Spain
| | - J. A. Obeso
- HM CINAC, HM Puerta del Sur and CEU–San Pablo University Madrid, E-28938 Mostoles, Spain
- Center for Networked Biomedical Research on Neurodegenerative Diseases (CIBERNED), Instituto Carlos III, Madrid, Spain
| | - B. Dehay
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
- CNRS, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
| | - E. Bezard
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
- CNRS, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
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Sikora J, Kieffer BL, Paoletti P, Ouagazzal AM. Synaptic zinc contributes to motor and cognitive deficits in 6-hydroxydopamine mouse models of Parkinson's disease. Neurobiol Dis 2019; 134:104681. [PMID: 31759136 DOI: 10.1016/j.nbd.2019.104681] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 11/05/2019] [Accepted: 11/19/2019] [Indexed: 12/19/2022] Open
Abstract
Hyperactivity of glutamatergic corticostrial pathways is recognized as a key pathophysiological mechanism contributing to development of PD symptoms and dopaminergic neurotoxicity. Subset of corticostriatal projection neurons uses Zn2+ as a co-transmitter alongside glutamate, but the role of synaptically released Zn2+ in PD remains unexplored. We used genetically modified mice and pharmacological tools in combination with 6-hydroxydopamine (6-OHDA) lesion models of PD to investigate the contribution of synaptic zinc to disease associated behavioral deficits and neurodegeneration. Vesicular zinc transporter-3 (ZnT3) knockout mice lacking releasable Zn2+ were more resistant to locomotor deficit and memory impairment of nigrostriatal dopamine (DA) denervation compared to wildtype littermates. The loss of striatal dopaminergic fibers was comparable between genotypes, indicating that synaptically released Zn2+ contributes to behavioral deficits but not neurotoxic effects of 6-OHDA. To gain further insight into the mechanisms of Zn2+ actions, we used the extracellular Zn2+ chelator CaEDTA and knock-in mice lacking the high affinity Zn2+ inhibition of GluN2A-containing NMDA receptors (GluN2A-NMDARs). Acute chelation of extracellular Zn2+ in the striatum restored locomotor deficit of 6-OHDA lesion, confirming that synaptic Zn2+ suppresses locomotor behavior. Disruption of the Zn2+-GluN2A interaction had, on the other hand, no impact on locomotor deficit or neurotoxic effect of 6-OHDA. Collectively, these findings provide clear evidence for the implication of striatal synaptic Zn2+ in the pathophysiology of PD. They unveil that synaptic Zn2+ plays predominantly a detrimental role by promoting motor and cognitive deficits caused by nigrostriatal DA denervation, pointing towards new therapeutic interventions.
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Affiliation(s)
- Joanna Sikora
- Laboratoire de Neurosciences Cognitives, Aix-Marseille Univ, CNRS, LNC, UMR 7291, 13331 Marseille, France; Aix-marseille Université, Marseille, France
| | - Brigitte L Kieffer
- Douglas Research Center, Department of Psychiatry, McGill University, Montréal, Canada
| | - Pierre Paoletti
- Institut de Biologie de l'Ecole Normale Supérieure (IBENS), Ecole Normale Supérieure, Université PSL, CNRS, INSERM, Paris, France
| | - Abdel-Mouttalib Ouagazzal
- Laboratoire de Neurosciences Cognitives, Aix-Marseille Univ, CNRS, LNC, UMR 7291, 13331 Marseille, France.
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Lee SR. Cellular toxicity of zinc can be attenuated by sodium hydrogen sulfide in neuronal SH-SY5Y cell. Mol Cell Toxicol 2018. [DOI: 10.1007/s13273-018-0047-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Extracellular Zn 2+ Influx into Nigral Dopaminergic Neurons Plays a Key Role for Pathogenesis of 6-Hydroxydopamine-Induced Parkinson's Disease in Rats. Mol Neurobiol 2018; 56:435-443. [PMID: 29705946 DOI: 10.1007/s12035-018-1075-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 04/10/2018] [Indexed: 12/30/2022]
Abstract
Parkinson's disease (PD) is a progressive neurological disease characterized by a selective loss of nigrostriatal dopaminergic neurons. The exact cause of the neuronal loss remains unclear. Here, we report a unique mechanism of nigrostriatal dopaminergic neurodegeneration, in which extracellular Zn2+ influx plays a key role for PD pathogenesis induced with 6-hydroxydopamine (6-OHDA) in rats. 6-OHDA rapidly increased intracellular Zn2+ only in the substantia nigra pars compacta (SNpc) of brain slices and this increase was blocked in the presence of CaEDTA, an extracellular Zn2+ chelator, and 6-cyano-7-nitroquinoxaline-2,3-dione (CNQX), an α-amino-3-hydroxy-5-methyl-4-isoxazolepropionate (AMPA) receptor antagonist, indicating that 6-OHDA rapidly increases extracellular Zn2+ influx via AMPA receptor activation in the SNpc. Extracellular Zn2+ concentration was decreased under in vivo SNpc perfusion with 6-OHDA and this decrease was blocked by co-perfusion with CNQX, supporting 6-OHDA-induced Zn2+ influx via AMPA receptor activation in the SNpc. Interestingly, both 6-OHDA-induced loss of nigrostriatal dopaminergic neurons and turning behavior to apomorphine were ameliorated by co-injection of intracellular Zn2+ chelators, i.e., ZnAF-2DA and N,N,N',N'-Tetrakis(2-pyridylmethyl)ethylenediamine (TPEN). Co-injection of TPEN into the SNpc blocked 6-OHDA-induced increase in intracellular Zn2+ but not in intracellular Ca2+. These results suggest that the rapid influx of extracellular Zn2+ into dopaminergic neurons via AMPA receptor activation in the SNpc induces nigrostriatal dopaminergic neurodegeneration, resulting in 6-OHDA-induced PD in rats.
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Yang TC, Wu PC, Chung IF, Jiang JH, Fann MJ, Kao LS. Cell death caused by the synergistic effects of zinc and dopamine is mediated by a stress sensor gene Gadd45b - implication in the pathogenesis of Parkinson's disease. J Neurochem 2016; 139:120-33. [PMID: 27385273 DOI: 10.1111/jnc.13728] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Revised: 07/01/2016] [Accepted: 07/03/2016] [Indexed: 11/30/2022]
Abstract
The pathogenesis of Parkinson's disease (PD) is not completely understood, Zinc (Zn(2+) ) and dopamine (DA) have been shown to involve in the degeneration of dopaminergic cells. By microarray analysis, we identified Gadd45b as a candidate molecule that mediates Zn(2+) and DA-induced cell death; the mRNA and protein levels of Gadd45b are increased by Zn(2+) treatment and raised to an even higher level by Zn(2+) plus DA treatment. Zn(2+) plus DA treatment-induced PC12 cell death was enhanced when there was over-expression of Gadd45b and was decreased by knock down of Gadd45b. MAPK p38 and JNK signaling was able to cross-talk with Gadd45b during Zn(2+) and DA treatment. The synergistic effects of Zn(2+) and DA on PC12 cell death can be accounted for by an activation of the Gadd45b-induced cell death pathway and an inhibition of p38/JNK survival pathway. Furthermore, the in vivo results show that the levels of Gadd45b protein expression and phosphorylation of p38 were increased in the substantia nigra by the infusion of Zn(2+) /DA in the mouse brain and the level of Gadd45b mRNA is significantly higher in the substantia nigra of male PD patients than normal controls. The novel role of Gadd45b and its interactions with JNK and p38 will help our understanding of the pathogenesis of PD and help the development of future treatments for PD. Zinc and dopamine are implicated in the degeneration of dopaminergic neurons. We previously demonstrated that zinc and dopamine induced synergistic effects on PC12 cell death. Results from this study show that these synergistic effects can be accounted for by activation of the Gadd45b-induced cell death pathway and inhibition of the p38/JNK survival pathway. We provide in vitro and in vivo evidence to support a novel role for Gadd45b in the pathogenesis of Parkinson's disease.
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Affiliation(s)
- Tien-Chun Yang
- Department of Life Sciences and Institute of Genome Sciences, National Yang-Ming University, Taipei, Taiwan
| | - Pei-Chun Wu
- Brain Research Center, National Yang-Ming University, Taipei, Taiwan
| | - I-Fang Chung
- Institute of Biomedical Informatics, National Yang-Ming University, Taipei, Taiwan
| | - Jhih-Hang Jiang
- Department of Life Sciences and Institute of Genome Sciences, National Yang-Ming University, Taipei, Taiwan
| | - Ming-Ji Fann
- Department of Life Sciences and Institute of Genome Sciences, National Yang-Ming University, Taipei, Taiwan
| | - Lung-Sen Kao
- Department of Life Sciences and Institute of Genome Sciences, National Yang-Ming University, Taipei, Taiwan. .,Brain Research Center, National Yang-Ming University, Taipei, Taiwan.
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Coherent and Contradictory Facts, Feats and Fictions Associated with Metal Accumulation in Parkinson's Disease: Epicenter or Outcome, Yet a Demigod Question. Mol Neurobiol 2016; 54:4738-4755. [PMID: 27480264 DOI: 10.1007/s12035-016-0016-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Accepted: 07/12/2016] [Indexed: 01/30/2023]
Abstract
Unwarranted exposure due to liberal use of metals for maintaining the lavish life and to achieve the food demand for escalating population along with an incredible boost in the average human life span owing to orchestrated progress in rejuvenation therapy have gradually increased the occurrence of Parkinson's disease (PD). Etiology is albeit elusive; association of PD with metal accumulation has never been overlooked due to noteworthy similitude between metal-exposure symptoms and a few cardinal features of disease. Even though metals are entailed in the vital functions, a hysterical shift, primarily augmentation, escorts the stern nigrostriatal dopaminergic neurodegeneration. An increase in the passage of metals through the blood brain barrier and impaired metabolic activity and elimination system could lead to metal accumulation in the brain, which eventually makes dopaminergic neurons quite susceptible. In the present article, an update on implication of metal accumulation in PD/Parkinsonism has been provided. Moreover, encouraging and paradoxical facts and fictions associated with metal accumulation in PD/Parkinsonism have also been compiled. Systematic literature survey of PD is performed to describe updated information if metal accumulation is an epicenter or merely an outcome. Finally, a perspective on the association of metal accumulation with pesticide-induced Parkinsonism has been explained to unveil the likely impact of the former in the latter.
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Role of the IL-1 Pathway in Dopaminergic Neurodegeneration and Decreased Voluntary Movement. Mol Neurobiol 2016; 54:4486-4495. [PMID: 27356916 PMCID: PMC5509814 DOI: 10.1007/s12035-016-9988-x] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Accepted: 06/14/2016] [Indexed: 12/26/2022]
Abstract
Interleukin-1 (IL-1), a proinflammatory cytokine synthesized and released by activated microglia, can cause dopaminergic neurodegeneration leading to Parkinson’s disease (PD). However, it is uncertain whether IL-1 can act directly, or by exacerbating the harmful actions of other brain insults. To ascertain the role of the IL-1 pathway on dopaminergic neurodegeneration and motor skills during aging, we compared mice with impaired [caspase-1 knockout (casp1−/−)] or overactivated IL-1 activity [IL-1 receptor antagonist knockout (IL-1ra−/−)] to wild-type (wt) mice at young and middle age. Their motor skills were evaluated by the open-field and rotarod tests, and quantification of their dopamine neurons and activated microglia within the substantia nigra were performed by immunohistochemistry. IL-1ra−/− mice showed an age-related decline in motor skills, a reduced number of dopamine neurons, and an increase in activated microglia when compared to wt or casp1−/− mice. Casp1−/− mice had similar changes in motor skills and dopamine neurons, but fewer activated microglia cells than wt mice. Our results suggest that the overactivated IL-1 pathway occurring in IL-1ra−/− mice in the absence of inflammatory interventions (e.g., intracerebral injections performed in animal models of PD) increased activated microglia, decreased the number of dopaminergic neurons, and reduced their motor skills. Decreased IL-1 activity in casp1−/− mice did not yield clear protective effects when compared with wt mice. In summary, in the absence of overt brain insults, chronic activation of the IL-1 pathway may promote pathological aspects of PD per se, but its impairment does not appear to yield advantages over wt mice.
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Kim Y, Oh HG, Cho YY, Kwon OH, Park MK, Chung S. Stress hormone potentiates Zn 2+ -induced neurotoxicity via TRPM7 channel in dopaminergic neuron. Biochem Biophys Res Commun 2016; 470:362-367. [DOI: 10.1016/j.bbrc.2016.01.041] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2015] [Accepted: 01/07/2016] [Indexed: 12/14/2022]
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Stelmashook EV, Isaev NK, Genrikhs EE, Amelkina GA, Khaspekov LG, Skrebitsky VG, Illarioshkin SN. Role of zinc and copper ions in the pathogenetic mechanisms of Alzheimer's and Parkinson's diseases. BIOCHEMISTRY (MOSCOW) 2015; 79:391-6. [PMID: 24954589 DOI: 10.1134/s0006297914050022] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Disbalance of zinc (Zn2+) and copper (Cu2+) ions in the central nervous system is involved in the pathogenesis of numerous neurodegenerative disorders such as multisystem atrophy, amyotrophic lateral sclerosis, Creutzfeldt-Jakob disease, Wilson-Konovalov disease, Alzheimer's disease, and Parkinson's disease. Among these, Alzheimer's disease (AD) and Parkinson's disease (PD) are the most frequent age-related neurodegenerative pathologies with disorders in Zn2+ and Cu2+ homeostasis playing a pivotal role in the mechanisms of pathogenesis. In this review we generalized and systematized current literature data concerning this problem. The interactions of Zn2+ and Cu2+ with amyloid precursor protein (APP), β-amyloid (Abeta), tau-protein, metallothioneins, and GSK3β are considered, as well as the role of these interactions in the generation of free radicals in AD and PD. Analysis of the literature suggests that the main factors of AD and PD pathogenesis (oxidative stress, structural disorders and aggregation of proteins, mitochondrial dysfunction, energy deficiency) that initiate a cascade of events resulting finally in the dysfunction of neuronal networks are mediated by the disbalance of Zn2+ and Cu2+.
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Affiliation(s)
- E V Stelmashook
- Research Center of Neurology, Russian Academy of Medical Sciences, Moscow, 125367, Russia.
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Sindreu C, Bayés Á, Altafaj X, Pérez-Clausell J. Zinc transporter-1 concentrates at the postsynaptic density of hippocampal synapses. Mol Brain 2014; 7:16. [PMID: 24602382 PMCID: PMC3975337 DOI: 10.1186/1756-6606-7-16] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2014] [Accepted: 02/28/2014] [Indexed: 11/16/2022] Open
Abstract
Background Zinc concentrates at excitatory synapses, both at the postsynaptic density and in a subset of glutamatergic boutons. Zinc can modulate synaptic plasticity, memory formation and nociception by regulating transmitter receptors and signal transduction pathways. Also, intracellular zinc accumulation is a hallmark of degenerating neurons in several neurological disorders. To date, no single zinc extrusion mechanism has been directly localized to synapses. Based on the presence of a canonical PDZ I motif in the Zinc Transporter-1 protein (ZnT1), we hypothesized that ZnT1 may be targeted to synaptic compartments for local control of cytosolic zinc. Using our previously developed protocol for the co-localization of reactive zinc and synaptic proteins, we further asked if ZnT1 expression correlates with presynaptic zinc content in individual synapses. Findings Here we demonstrate that ZnT1 is a plasma membrane protein that is enriched in dendritic spines and in biochemically isolated synaptic membranes. Hippocampal CA1 synapses labelled by postembedding immunogold showed over a 5-fold increase in ZnT1 concentration at synaptic junctions compared with extrasynaptic membranes. Subsynaptic analysis revealed a peak ZnT1 density on the postsynaptic side of the synapse, < 10 nm away from the postsynaptic membrane. ZnT1 was found in the vast majority of excitatory synapses regardless of the presence of vesicular zinc in presynaptic boutons. Conclusions Our study has identified ZnT1 as a novel postsynaptic density protein, and it may help elucidate the role of zinc homeostasis in synaptic function and disease.
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Affiliation(s)
- Carlos Sindreu
- Department of Pharmacology, University of Barcelona, Barcelona 08036, Spain.
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Hare DJ, Adlard PA, Doble PA, Finkelstein DI. Metallobiology of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine neurotoxicity. Metallomics 2013; 5:91-109. [DOI: 10.1039/c2mt20164j] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Hirayama T, Taki M, Akaoka K, Yamamoto Y. Development of a dual functional luminescent sensor for zinc ion based on a peptidic architecture. Bioorg Med Chem Lett 2012; 22:7410-3. [DOI: 10.1016/j.bmcl.2012.10.061] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2012] [Revised: 10/04/2012] [Accepted: 10/13/2012] [Indexed: 11/30/2022]
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Sheline CT, Zhu J, Zhang W, Shi C, Cai AL. Mitochondrial inhibitor models of Huntington's disease and Parkinson's disease induce zinc accumulation and are attenuated by inhibition of zinc neurotoxicity in vitro or in vivo. NEURODEGENER DIS 2012; 11:49-58. [PMID: 22627004 DOI: 10.1159/000336558] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2011] [Accepted: 01/12/2012] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Inhibition of mitochondrial function occurs in many neurodegenerative diseases, and inhibitors of mitochondrial complexes I and II are used to model them. The complex II inhibitor, 3-nitroproprionic acid (3-NPA), kills the striatal neurons susceptible in Huntington's disease. The complex I inhibitor N-methyl-4-phenylpyridium (MPP(+)) and 6-hydroxydopamine (6-OHDA) are used to model Parkinson's disease. Zinc (Zn(2+)) accumulates after 3-NPA, 6-OHDA and MPP(+) in situ or in vivo. OBJECTIVE We will investigate the role of Zn(2+) neurotoxicity in 3-NPA, 6-OHDA and MPP(+). METHODS Murine striatal/midbrain tyrosine hydroxylase positive, or near-pure cortical neuronal cultures, or animals were exposed to 3-NPA or MPP(+) and 6-OHDA with or without neuroprotective compounds. Intracellular zinc ([Zn(2+)](i)), nicotinamide adenine dinucleotide (NAD(+)), NADH, glycolytic intermediates and neurotoxicity were measured. RESULTS We showed that compounds or genetics which restore NAD(+) and attenuate Zn(2+) neurotoxicity (pyruvate, nicotinamide, NAD(+), increased NAD(+) synthesis, sirtuin inhibition or Zn(2+) chelation) attenuated the neuronal death induced by these toxins. The increase in [Zn(2+)](i) preceded a reduction in the NAD(+)/NADH ratio that caused a reversible glycolytic inhibition. Pyruvate, nicotinamide and NAD(+) reversed the reductions in the NAD(+)/NADH ratio, glycolysis and neuronal death after challenge with 3-NPA, 6-OHDA or MPP(+), as was previously shown for exogenous Zn(2+). To test efficacy in vivo, we injected 3-NPA into the striatum of rats and systemically into mice, with or without pyruvate. We observed early striatal Zn(2+) fluorescence, and pyruvate significantly attenuated the 3-NPA-induced lesion and restored behavioral scores. CONCLUSIONS Together, these studies suggest that Zn(2+) accumulation caused by MPP(+) and 3-NPA is a novel preventable mechanism of the resultant neurotoxicity.
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Affiliation(s)
- Christian T Sheline
- Department of Ophthalmology and the Neuroscience Center of Excellence, Louisiana State University Health Sciences Center, New Orleans, LA 70112, USA. csheli @ lsuhsc.edu
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Lee JY, Cho E, Seo JW, Hwang JJ, Koh JY. Alteration of the cerebral zinc pool in a mouse model of Alzheimer disease. J Neuropathol Exp Neurol 2012; 71:211-22. [PMID: 22318122 DOI: 10.1097/nen.0b013e3182417387] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Synaptic vesicle Zn is regulated by zinc transporter 3 (ZnT3) and is involved in neurotransmission and synaptic plasticity. Here, we describe extensive alterations of ZnT3-regulated Zn pools in the brains of human amyloid precursor protein-transgenic (Tg2576) mice. In contrast to wild-type littermates in which ZnT3 expression and synaptic Zn increased with age, there were age-dependent reductions in ZnT3 expression and synaptic Zn levels in the hippocampal mossy fiber area of Tg2576 mice. In these mice, a novel Zn pool and ZnT3 expression were colocalized and appeared along dystrophic neurites surrounding compact amyloid plaques that were identified by in situ blue fluorescence, congophilic birefringence, and Aβ42 immunoreactivity. Zn-specific histofluorescence and ZnT3 immunofluorescence in dystrophic neurites were also colocalized with the δ-subunit of adaptor protein complex 3, lysosome-associated membrane protein, cathepsin D, and neurofilament-containing hyperphosphorylated paired helical filaments. The synaptic vesicle marker protein synaptophysin and vesicle-associated membrane protein were not found in these neurites, suggesting a role of ZnT3 distinct from itsnormal role in synaptic Zn. ZnT3 immunoreactivity and Zn histofluorescence were also evident in activated astrocytes. These datasuggest that extensive modifications of the cerebral Zn pool, particularly synaptic Zn, may underlie neuronal dysfunction characteristic of Alzheimer disease.
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Affiliation(s)
- Joo-Yong Lee
- Asan Institute for Life Sciences, Asan Medical Center, Seoul 138-736, Republic of Korea.
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Lagrue E, Abe H, Lavanya M, Touhami J, Bodard S, Chalon S, Battini JL, Sitbon M, Castelnau P. Regional characterization of energy metabolism in the brain of normal and MPTP-intoxicated mice using new markers of glucose and phosphate transport. J Biomed Sci 2010; 17:91. [PMID: 21129221 PMCID: PMC3009624 DOI: 10.1186/1423-0127-17-91] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2010] [Accepted: 12/04/2010] [Indexed: 02/07/2023] Open
Abstract
The gibbon ape leukemia virus (GALV), the amphotropic murine leukemia virus (AMLV) and the human T-cell leukemia virus (HTLV) are retroviruses that specifically bind nutrient transporters with their envelope glycoproteins (Env) when entering host cells. Here, we used tagged ligands derived from GALV, AMLV, and HTLV Env to monitor the distribution of their cognate receptors, the inorganic phosphate transporters PiT1 and PiT2, and the glucose transporter GLUT1, respectively, in basal conditions and after acute energy deficiency. For this purpose, we monitored changes in the distribution of PiT1, PiT2 and GLUT1 in the cerebellum, the frontal cortex, the corpus callosum, the striatum and the substantia nigra (SN) of C57/BL6 mice after administration of 1-methyl-4-phenyl-1,2,3,6 tetrahydropyridinium (MPTP), a mitochondrial complex I inhibitor which induces neuronal degeneration in the striato-nigral network.The PiT1 ligand stained oligodendrocytes in the corpus callosum and showed a reticular pattern in the SN. The PiT2 ligand stained particularly the cerebellar Purkinje cells, while GLUT1 labelling was mainly observed throughout the cortex, basal ganglia and cerebellar gray matter. Interestingly, unlike GLUT1 and PiT2 distributions which did not appear to be modified by MPTP intoxication, PiT1 immunostaining seemed to be more extended in the SN. The plausible reasons for this change following acute energy stress are discussed.These new ligands therefore constitute new metabolic markers which should help to unravel cellular adaptations to a wide variety of normal and pathologic conditions and to determine the role of specific nutrient transporters in tissue homeostasis.
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Affiliation(s)
- Emmanuelle Lagrue
- UMR Inserm U 930, CNRS FRE 2448, Université François Rabelais de Tours, F-37044 Tours, France
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