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Weishaupt AK, Ruecker L, Meiners T, Schwerdtle T, Silva Avila D, Aschner M, Bornhorst J. Copper-mediated neurotoxicity and genetic vulnerability in the background of neurodegenerative diseases in C. elegans. Toxicol Sci 2024; 201:254-262. [PMID: 39067045 PMCID: PMC11424883 DOI: 10.1093/toxsci/kfae092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/30/2024] Open
Abstract
The mechanisms associated with neurodegenerative diseases, such as Alzheimer's disease (AD) and Parkinson's disease (PD), have yet to be fully characterized, and genetic as well as environmental factors in their disease etiology are underappreciated. Although mutations in genes such as PARKIN and LRRK2 have been linked to PD, the idiopathic component of the disease suggests a contribution of environmental risk factors, including metals, such as copper (Cu). Cu overexposure has been reported to cause oxidative stress and neurotoxicity, but its role in neurodegenerative diseases is rarely studied. Using Caenorhabditis elegans (C. elegans) as a model organism for neurotoxicity, we assessed the effects of Cu oversupply in AD and PD models. Our findings reveal that although copper treatment did not induce neurodegeneration in wild-type worms or the AD model, it significantly exacerbated neurodegeneration in the PD-associated mutants PARKIN and LRRK2. These results suggest that genetic predisposition for PD enhances the sensitivity to copper toxicity, highlighting the multifactorial nature of neurodegenerative diseases. Furthermore, our study provides insight into the mechanisms underlying Cu-induced neurotoxicity in PD models, including disruptions in dopamine levels, altered dopamine-dependent behavior and degraded dopaminergic neurons. Overall, our novel findings contribute to a better understanding of the complex interactions between genetic susceptibility, environmental factors, and neurodegenerative disease pathogenesis, emphasizing the importance of a tightly regulated Cu homeostasis in the etiology of PD. Copper oversupply exacerbated neurodegeneration in Caenorhabditis elegans models of Parkinson's disease, highlighting the genetic susceptibility and emphasizing the crucial role of tightly regulated copper homeostasis in Parkinson's disease pathogenesis.
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Affiliation(s)
- Ann-Kathrin Weishaupt
- Food Chemistry with Focus on Toxicology, Faculty of Mathematics and Natural Sciences, University of Wuppertal, 42119 Wuppertal, Germany
- TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly (FOR 2558), Berlin, Potsdam, Jena, Wuppertal, Germany
| | - Lysann Ruecker
- Food Chemistry with Focus on Toxicology, Faculty of Mathematics and Natural Sciences, University of Wuppertal, 42119 Wuppertal, Germany
| | - Torben Meiners
- Food Chemistry with Focus on Toxicology, Faculty of Mathematics and Natural Sciences, University of Wuppertal, 42119 Wuppertal, Germany
| | - Tanja Schwerdtle
- TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly (FOR 2558), Berlin, Potsdam, Jena, Wuppertal, Germany
- German Federal Institute for Risk Assessment (BfR), 10589 Berlin, Germany
| | - Daiana Silva Avila
- Laboratory of Toxicology and Biochemistry in Caenorhabditis elegans, Universidade Federal do Pampa, 97501-970 Uruguaiana, Brazil
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, United States
| | - Julia Bornhorst
- Food Chemistry with Focus on Toxicology, Faculty of Mathematics and Natural Sciences, University of Wuppertal, 42119 Wuppertal, Germany
- TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly (FOR 2558), Berlin, Potsdam, Jena, Wuppertal, Germany
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Sun B, Jiang H. Synthesis and bio-activities of bifunctional tetrahydrosalen Cu (II) chelators with potential efficacy in Alzheimer's disease therapy. J Inorg Biochem 2024; 259:112636. [PMID: 38943843 DOI: 10.1016/j.jinorgbio.2024.112636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 05/21/2024] [Accepted: 06/04/2024] [Indexed: 07/01/2024]
Abstract
The dyshomeostasis of metal ions in the brain leads to the accumulation of excess metals in extracellular and inter-neuronal locations and the Amyloid β peptide (Aβ) binds these transition metals, which ultimately cause the Aβ aggregation and severe oxidative stress in the brain. The aggregation of Aβ and oxidative stress are important factors to trigger Alzheimer's disease (AD). Metal chelation therapy is a promising approach to removing metals from Aβ-M species and relieve the oxidative stress. Therefore, 4 tetrahydrosalens containing benzothiazole moiety were designed and synthesized. Their biological activities for Alzheimer's disease therapy in vitro were determined by Turbidity assay, BCA protein assay, MTT assay and fluorescent probe of DCFH-DA. The results were comparing with that of non-specific chelator (cliquinol, CQ) and non-benzothiazole functionalized tetrahydrosalens, the results demonstrated that benzothiazole functionalized chelators had more efficient bio-activities in preventing Cu2+-induced Aβ aggregation, attenuating cytotoxicity mediated by Aβ-Cu2+ species and decrease the level of reactive oxygen species (ROS) in Cu2+-Aβ treated PC12 cells than that of cliquinol and non-benzothiazole functionalized analogues.
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Affiliation(s)
- Bin Sun
- Key Laboratory of Natural Medicine Research of Chongqing Education Commission, Chongqing 400067, PR China; College of Environment and Resources, Chongqing Technology and Business University, Chongqing 400067, PR China.
| | - Heyan Jiang
- College of Environment and Resources, Chongqing Technology and Business University, Chongqing 400067, PR China
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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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Zhao Y, Ray A, Portengen L, Vermeulen R, Peters S. Metal Exposure and Risk of Parkinson Disease: A Systematic Review and Meta-Analysis. Am J Epidemiol 2023; 192:1207-1223. [PMID: 37022311 PMCID: PMC10326611 DOI: 10.1093/aje/kwad082] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 09/29/2022] [Accepted: 04/04/2023] [Indexed: 04/07/2023] Open
Abstract
Metal exposure has been suggested as a possible environmental risk factor for Parkinson disease (PD). We searched the PubMed, EMBASE, and Cochrane databases to systematically review the literature on the relationship between metal exposure and PD risk and to examine the overall quality of each study and the exposure assessment method. A total of 83 case-control studies and 5 cohort studies published during the period 1963-July 2021 were included, of which 73 were graded as being of low or moderate overall quality. Investigators in 69 studies adopted self-reported exposure and biomonitoring after disease diagnosis for exposure assessment approaches. The meta-analyses showed that concentrations of copper and iron in serum and concentrations of zinc in either serum or plasma were lower, while concentrations of magnesium in CSF and zinc in hair were higher, among PD cases as compared with controls. Cumulative lead levels in bone were found to be associated with increased risk of PD. We did not find associations between other metals and PD. The current level of evidence for associations between metals and PD risk is limited, as biases from methodological limitations cannot be ruled out. High-quality studies assessing metal levels before disease onset are needed to improve our understanding of the role of metals in the etiology of PD.
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Affiliation(s)
| | | | | | | | - Susan Peters
- Correspondence to Dr. Susan Peters, Institute for Risk Assessment Sciences, Utrecht University, Yalelaan 2, 3584 CM Utrecht, the Netherlands (e-mail: )
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Miyazaki I, Asanuma M. Multifunctional Metallothioneins as a Target for Neuroprotection in Parkinson's Disease. Antioxidants (Basel) 2023; 12:antiox12040894. [PMID: 37107269 PMCID: PMC10135286 DOI: 10.3390/antiox12040894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 03/27/2023] [Accepted: 04/04/2023] [Indexed: 04/29/2023] Open
Abstract
Parkinson's disease (PD) is characterized by motor symptoms based on a loss of nigrostriatal dopaminergic neurons and by non-motor symptoms which precede motor symptoms. Neurodegeneration accompanied by an accumulation of α-synuclein is thought to propagate from the enteric nervous system to the central nervous system. The pathogenesis in sporadic PD remains unknown. However, many reports indicate various etiological factors, such as oxidative stress, inflammation, α-synuclein toxicity and mitochondrial impairment, drive neurodegeneration. Exposure to heavy metals contributes to these etiopathogenesis and increases the risk of developing PD. Metallothioneins (MTs) are cysteine-rich metal-binding proteins; MTs chelate metals and inhibit metal-induced oxidative stress, inflammation and mitochondrial dysfunction. In addition, MTs possess antioxidative properties by scavenging free radicals and exert anti-inflammatory effects by suppression of microglial activation. Furthermore, MTs recently received attention as a potential target for attenuating metal-induced α-synuclein aggregation. In this article, we summarize MTs expression in the central and enteric nervous system, and review protective functions of MTs against etiopathogenesis in PD. We also discuss neuroprotective strategies for the prevention of central dopaminergic and enteric neurodegeneration by targeting MTs. This review highlights multifunctional MTs as a target for the development of disease-modifying drugs for PD.
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Affiliation(s)
- Ikuko Miyazaki
- Department of Medical Neurobiology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
| | - Masato Asanuma
- Department of Medical Neurobiology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
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Li S, Ritz B, Gong Y, Cockburn M, Folle AD, Del Rosario I, Yu Y, Zhang K, Castro E, Keener AM, Bronstein J, Paul KC. Proximity to residential and workplace pesticides application and the risk of progression of Parkinson's diseases in Central California. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 864:160851. [PMID: 36526213 PMCID: PMC11121507 DOI: 10.1016/j.scitotenv.2022.160851] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 12/05/2022] [Accepted: 12/07/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Pesticide exposure has consistently been associated with Parkinson's disease (PD) onset. Yet, fewer epidemiologic studies have examined whether pesticides influence PD motor and non-motor symptom progression. OBJECTIVES Using a geographic information system tool that integrates agricultural pesticide use reports and land use records to derive ambient exposures at residences and workplaces, we assessed associations between specific pesticides previously related to PD onset with PD symptom progression in two PD patient cohorts living in agricultural regions of California. METHODS We calculated the pounds of pesticide applied agriculturally near each participant's residential or occupational addresses from 1974 to the year of PD diagnosis, using a geographic information system tool that links the California Pesticide Use Reports database to land use data. We examined 53 pesticides selected a priori as they have previously been associated with PD onset. We longitudinally followed two PD patient cohorts (PEG1 N = 242, PEG2 N = 259) for an average of 5.0 years (SD ± 3.5) and 2.7 years (SD ± 1.6) respectively and assessed PD symptoms using the movement disorder specialist-administered Unified Parkinson's disease Rating Scale part III (UPDRS), Mini-Mental State Examination (MMSE), and Geriatric Depression Scale (GDS). Weighted time-to-event regression models were implemented to estimate effects. RESULTS Ten agricultural pesticides, including copper sulfate (pentahydrate), 2-methyl-4-chlorophenoxyacetic acid (MCPA) dimethylamine salt, tribufos, sodium cacodylate, methamidophos, ethephon, propargite, bromoxynil octanoate, monosodium methanearsonate (MSMA), and dicamba, were associated with faster symptom progression. Among these pesticides, residential or workplace proximity to higher amounts of copper sulfate (pentahydrate) and MCPA (dimethylamine salt) was associated with all three progression endpoints (copper sulfate: HRs = 1.22-1.36, 95 % CIs = 1.03-1.73; MCPA: HRs = 1.27-1.35, 95 % CIs = 1.02-1.70). CONCLUSIONS Our findings suggest that pesticide exposure may not only be relevant for PD onset but also PD progression phenotypes. We have implicated ten specific pesticide active ingredients in faster PD motor and non-motor decline.
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Affiliation(s)
- Shiwen Li
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, CA, USA
| | - Beate Ritz
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, CA, USA; Department of Neurology, David Geffen School of Medicine, Los Angeles, CA, USA
| | - Yufan Gong
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, CA, USA
| | - Myles Cockburn
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, CA, USA
| | - Aline Duarte Folle
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, CA, USA
| | - Irish Del Rosario
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, CA, USA
| | - Yu Yu
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, CA, USA
| | - Keren Zhang
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, CA, USA
| | - Emily Castro
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, CA, USA
| | - Adrienne M Keener
- Department of Neurology, David Geffen School of Medicine, Los Angeles, CA, USA
| | - Jeff Bronstein
- Department of Neurology, David Geffen School of Medicine, Los Angeles, CA, USA
| | - Kimberly C Paul
- Department of Neurology, David Geffen School of Medicine, Los Angeles, CA, USA.
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Li DN, Lian TH, Zhang WJ, Zhang YN, Guo P, Guan HY, Li JH, He MY, Zhang WJ, Zhang WJ, Luo DM, Wang XM, Zhang W. Potential roles of oxidative distress on neurodegeneration in Parkinson's disease with neuropsychiatric symptoms. Front Aging Neurosci 2022; 14:875059. [PMID: 36589540 PMCID: PMC9797725 DOI: 10.3389/fnagi.2022.875059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 11/07/2022] [Indexed: 12/23/2022] Open
Abstract
Background Neuropsychiatric symptoms (NPSs) belong to a category of non-motor symptoms of Parkinson's disease (PD), which seriously compromise the quality of life and prognosis of PD. This study focused on the correlations between NPSs, free radicals, neuroinflammatory factors, and neuropathological proteins in cerebrospinal fluid (CSF) in patients with PD, aiming to provide insights into the potential mechanisms and therapeutic target for PD with NPSs (PD-NPSs). Methods In total, 129 patients with PD were enrolled and assessed by the Neuropsychiatric Symptoms Inventory (NPI); they were divided into the PD-NPSs group (75 patients) and PD with no NPSs (PD-nNPSs) group (54 patients). The levels of hydrogen peroxide (H2O2) and nitric oxide (NO), and hydroxyl radical (·OH), anti-oxidative enzyme, neuroinflammatory factors, and neuropathological proteins in CSF from patients with PD were measured. The levels of the above variables were compared between PD-NPSs and PD-nNPSs groups, and correlation analyses among the above variables were conducted. Results (1) The levels of H2O2 and NO in CSF from the PD-NPSs group were significantly elevated compared with the PD-nNPSs group (p = 0.001), and NPI score positively correlated with the levels of H2O2 and NO (r = 0.283, P = 0.001; r = 0.231, P = 0.008). Reversely, total superoxide dismutase (tSOD) activity in CSF from the PD-NPSs group was significantly reduced compared with the PD-nNPSs group (p = 0.011), and negatively correlated with NPI score (r = -0.185, p = 0.036). (2) The tumor necrosis factor (TNF)-α level in CSF from the PD-NPSs group was significantly decreased compared with the PD-nNPSs group (p = 0.002) and negatively correlated with NPI score (r = -0.211, p = 0.016). (3) The total tau (T-tau) level in CSF from the PD-NPSs group was significantly higher than in the PD-nNPSs group (p = 0.014) and positively correlated with the NPI score (r = 0.167, p = 0.060). (4) The levels of H2O2 and NO positively correlated with the T-tau level in CSF from the PD-NPSs group (r = 0.183, p = 0.039; r = 0.251, P = 0.004), and the levels of TNF-α and T-tau showed a negative correlation (r = -0.163, p = 0.067). Conclusion Oxidative distress characterized by the elevations of H2O2 and NO levels may closely correlate with the neurodegeneration in brain regions related to PD-NPSs. Thus, therapeutic antioxidants may become an important target for PD-NPSs therapy.
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Affiliation(s)
- Dan-ning Li
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Teng-hong Lian
- Center for Cognitive Neurology, Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Wei-Jiao Zhang
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Ya-nan Zhang
- Department of Blood Transfusion, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Peng Guo
- Center for Cognitive Neurology, Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Hui-ying Guan
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Jing-hui Li
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Ming-yue He
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Wen-jing Zhang
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Wei-jia Zhang
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Dong-mei Luo
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Xiao-min Wang
- Department of Physiology, Capital Medical University, Beijing, China
| | - Wei Zhang
- Center for Cognitive Neurology, Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China,China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China,Center of Parkinson's Disease, Beijing Institute for Brain Disorders, Beijing, China,Beijing Key Laboratory on Parkinson's Disease, Beijing, China,*Correspondence: Wei Zhang
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Association between Heavy Metal Exposure and Parkinson's Disease: A Review of the Mechanisms Related to Oxidative Stress. Antioxidants (Basel) 2022; 11:antiox11122467. [PMID: 36552676 PMCID: PMC9774122 DOI: 10.3390/antiox11122467] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/09/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
Parkinson's disease (PD) is a gradually progressing neurodegenerative condition that is marked by a loss of motor coordination along with non-motor features. Although the precise cause of PD has not been determined, the disease condition is mostly associated with the exposure to environmental toxins, such as metals, and their abnormal accumulation in the brain. Heavy metals, such as iron (Fe), mercury (Hg), manganese (Mn), copper (Cu), and lead (Pb), have been linked to PD and contribute to its progression. In addition, the interactions among the components of a metal mixture may result in synergistic toxicity. Numerous epidemiological studies have demonstrated a connection between PD and either single or mixed exposure to these heavy metals, which increase the prevalence of PD. Chronic exposure to heavy metals is related to the activation of proinflammatory cytokines resulting in neuronal loss through neuroinflammation. Similarly, metals disrupt redox homeostasis while inducing free radical production and decreasing antioxidant levels in the substantia nigra. Furthermore, these metals alter molecular processes and result in oxidative stress, DNA damage, mitochondrial dysfunction, and apoptosis, which can potentially trigger dopaminergic neurodegenerative disorders. This review focuses on the roles of Hg, Pb, Mn, Cu, and Fe in the development and progression of PD. Moreover, it explores the plausible roles of heavy metals in neurodegenerative mechanisms that facilitate the development of PD. A better understanding of the mechanisms underlying metal toxicities will enable the establishment of novel therapeutic approaches to prevent or cure PD.
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Mangosteen Pericarp Extract Supplementation Boosts Antioxidant Status via Rebuilding Gut Microbiota to Attenuate Motor Deficit in 6-OHDA-Induced Parkinson's Disease. Antioxidants (Basel) 2022; 11:antiox11122396. [PMID: 36552604 PMCID: PMC9774421 DOI: 10.3390/antiox11122396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 11/25/2022] [Accepted: 11/29/2022] [Indexed: 12/11/2022] Open
Abstract
Oxidative stress and gut dysbiosis have been known to precede Parkinson's disease (PD). An antioxidant-rich product, mangosteen pericarp (MP), has the ability to counterbalance excessive free radicals and the imbalanced gut microbiota composition, suggesting the MP's capacity to delay PD progression. In this study, we explored the effects of two doses of MP extract in a unilateral 6-hydroxydopamine (6-OHDA)-induced PD rat model. We revealed that the 8-week supplementation of a low dose (LMP) and a high dose of the MP extract (HMP) improved motor function, as observed in decreased contralateral rotation, improved time spent on rod, and higher dopamine binding transporter (DAT) in the substantia nigra pars compacta (SNc). The MP extract, especially the HMP, also increased antioxidant-related gene expressions, restored muscle mitochondrial function, and remodeled fecal microbiota composition, which were followed by reduced reactive oxygen species levels in brain and inflammation in plasma. Importantly, bacterial genera Sutterella, Rothia, and Aggregatibacter, which were negatively correlated with antioxidant gene expressions, decreased in the HMP group. It is imperative to note that in addition to directly acting as an antioxidant to reduce excessive free radicals, MP extract might also increase antioxidant state by rebuilding gut microbiota, thereby enhanced anti-inflammatory capacity and restored mitochondrial function to attenuate motor deficit in 6-OHDA-induced PD-like condition. All in all, MP extract is a potential candidate for auxiliary therapy for PD.
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Beauchamp LC, Liu XM, Vella LJ, Adlard PA, Bush AI, Finkelstein DI, Barnham KJ. ATH434 Rescues Pre-motor Hyposmia in a Mouse Model of Parkinsonism. Neurotherapeutics 2022; 19:1966-1975. [PMID: 36175781 PMCID: PMC9723006 DOI: 10.1007/s13311-022-01300-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/08/2022] [Indexed: 12/14/2022] Open
Abstract
Hyposmia is a prevalent prodromal feature of Parkinson's disease (PD), though the neuropathology that underlies this symptom is poorly understood. Unlike the substantia nigra, the status of metal homeostasis in the olfactory bulbs has not been characterized in PD. Given the increasing interest in metal modulation as a therapeutic avenue in PD, we sought to investigate bulbar metals and the effect of AT434 (formerly PBT434) an orally bioavailable, small molecule modulator of metal homeostasis on hyposmia in a mouse model of parkinsonism (the tau knockout (tau-/-) mouse). 5.5 (pre-hyposmia) and 13.5-month-old (pre-motor) mice were dosed with ATH434 (30 mg/kg/day, oral gavage) for 6 weeks. Animals then underwent behavioral analysis for olfactory and motor phenotypes. The olfactory bulbs and the substantia nigra were then collected and analyzed for metal content, synaptic markers, and dopaminergic cell number. ATH434 was able to prevent the development of hyposmia in young tau-/- mice, which coincided with a reduction in bulbar iron and copper levels, an increase in synaptophysin, and a reduction in soluble α-synuclein. ATH434 was able to prevent the development of motor impairment in aged tau-/- mice, which coincided with a reduction in iron levels and reduced neurodegeneration in the substantia nigra. These data implicate metal dyshomeostasis in parkinsonian olfactory deficits, and champion a potential clinical benefit of ATH434 in both prodromal and clinical stages of PD.
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Affiliation(s)
- Leah C Beauchamp
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, 30 Royal Parade, Parkville, VIC, 3052, Australia
- Melbourne Dementia Research Centre, 30 Royal Parade, Parkville, VIC, 3052, Australia
| | - Xiang M Liu
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, 30 Royal Parade, Parkville, VIC, 3052, Australia
| | - Laura J Vella
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, 30 Royal Parade, Parkville, VIC, 3052, Australia
- Melbourne Dementia Research Centre, 30 Royal Parade, Parkville, VIC, 3052, Australia
- Department of Surgery, The Royal Melbourne Hospital, The University of Melbourne, 300 Grattan Street, Parkville, VIC, 3050, Australia
| | - Paul A Adlard
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, 30 Royal Parade, Parkville, VIC, 3052, Australia
- Melbourne Dementia Research Centre, 30 Royal Parade, Parkville, VIC, 3052, Australia
| | - Ashley I Bush
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, 30 Royal Parade, Parkville, VIC, 3052, Australia
- Melbourne Dementia Research Centre, 30 Royal Parade, Parkville, VIC, 3052, Australia
| | - David I Finkelstein
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, 30 Royal Parade, Parkville, VIC, 3052, Australia
- Melbourne Dementia Research Centre, 30 Royal Parade, Parkville, VIC, 3052, Australia
| | - Kevin J Barnham
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, 30 Royal Parade, Parkville, VIC, 3052, Australia.
- Melbourne Dementia Research Centre, 30 Royal Parade, Parkville, VIC, 3052, Australia.
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Pfalzer AC, Yan Y, Kang H, Totten M, Silverman J, Bowman AB, Erikson K, Claassen DO. Alterations in metal homeostasis occur prior to canonical markers in Huntington disease. Sci Rep 2022; 12:10373. [PMID: 35725749 PMCID: PMC9209499 DOI: 10.1038/s41598-022-14169-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 06/02/2022] [Indexed: 12/05/2022] Open
Abstract
The importance of metal biology in neurodegenerative diseases such as Huntingtin Disease is well documented with evidence of direct interactions between metals such as copper, zinc, iron and manganese and mutant Huntingtin pathobiology. To date, it is unclear whether these interactions are observed in humans, how this impacts other metals, and how mutant Huntington alters homeostatic mechanisms governing levels of copper, zinc, iron and manganese in cerebrospinal fluid and blood in HD patients. Plasma and cerebrospinal fluid from control, pre-manifest, manifest and late manifest HD participants were collected as part of HD-Clarity. Levels of cerebrospinal fluid and plasma copper, zinc, iron and manganese were measured as well as levels of mutant Huntingtin and neurofilament in a sub-set of cerebrospinal fluid samples. We find that elevations in cerebrospinal fluid copper, manganese and zinc levels are altered early in disease prior to alterations in canonical biomarkers of HD although these changes are not present in plasma. We also evidence that CSF iron is elevated in manifest patients. The relationships between plasma and cerebrospinal fluid metal are altered based on disease stage. These findings demonstrate that there are alterations in metal biology selectively in the CSF which occur prior to changes in known canonical biomarkers of disease. Our work indicates that there are pathological changes related to alterations in metal biology in individuals without elevations in neurofilament and mutant Huntingtin.
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Affiliation(s)
- Anna C. Pfalzer
- grid.412807.80000 0004 1936 9916Department of Neurology, Vanderbilt University Medical Center, 1611 21st Avenue South, Suite 1532, Nashville, TN 37232 USA
| | - Yan Yan
- grid.412807.80000 0004 1936 9916Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN USA
| | - Hakmook Kang
- grid.412807.80000 0004 1936 9916Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN USA
| | - Melissa Totten
- grid.266860.c0000 0001 0671 255XDepartment of Nutrition, University of North Carolina-Greensboro, Greensboro, NC USA
| | - James Silverman
- grid.412807.80000 0004 1936 9916Department of Neurology, Vanderbilt University Medical Center, 1611 21st Avenue South, Suite 1532, Nashville, TN 37232 USA
| | - Aaron B. Bowman
- grid.169077.e0000 0004 1937 2197School of Health Sciences, Purdue University, West Lafayette, IN USA
| | - Keith Erikson
- grid.266860.c0000 0001 0671 255XDepartment of Nutrition, University of North Carolina-Greensboro, Greensboro, NC USA
| | - Daniel O. Claassen
- grid.412807.80000 0004 1936 9916Department of Neurology, Vanderbilt University Medical Center, 1611 21st Avenue South, Suite 1532, Nashville, TN 37232 USA
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12
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Aspli KT, Holmøy T, Flaten TP, Whist JE, Aaseth JO. Skogholt's disease-A tauopathy precipitated by iron and copper? J Trace Elem Med Biol 2022; 70:126915. [PMID: 34959013 DOI: 10.1016/j.jtemb.2021.126915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 11/12/2021] [Accepted: 12/14/2021] [Indexed: 11/23/2022]
Abstract
BACKGROUND It has been suggested that Skogholt's disease is a new neurological disease entity. The disease, confined to a family line in Hedmark county, Norway, usually affects both the brain and peripheral nerves. Typical findings are white matter lesions in the brain, myelin damage in peripheral nerves, and discolored cerebrospinal fluid with high concentrations of protein, copper, and iron. Little is known about the natural progression of the disease and its underlying cause, but the high level of copper and iron in the cerebrospinal fluid may cause or exacerbate inflammation in the central nervous system. METHODS The present clinical study further explores the disease progression with clinical chemistry analyses and mass spectrometry of blood and cerebrospinal fluid (CSF) from patients and controls. Findings are corroborated with cognitive assessments. RESULTS Pathological changes in CSF with low amyloid-β42 and high levels of tau proteins, total protein, copper, and iron, were discovered among Skogholt patients. The Montreal Cognitive Assessment identified 36 % of the patients as below normal range, while most patients performed slower than the norm mean time on the Trail Making Test. Mini-Mental Status Examination disclosed only minor deviations. CONCLUSION The findings in the present study strengthen our initial suggestion that Skogholt's disease most likely is a new neurological disorder and provide new clues to its cause: The disease may belong to the family of neurodegenerative disorders termed tauopathies. The increased level of copper and iron may contribute to neuroinflammation as these metals also have been associated with other neurodegenerative disorders. Although the causes of neurodegenerative disorders are currently largely unknown, studies on rare disease entities, such as the present one, may increase the understanding of neurodegeneration in general.
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Affiliation(s)
- Klaus T Aspli
- Department of Neurology, Innlandet Hospital Trust, Lillehammer, Norway; Institute of Clinical Medicine, University of Oslo, Norway.
| | - Trygve Holmøy
- Institute of Clinical Medicine, University of Oslo, Norway; Department of Neurology, Akershus University Hospital, Norway
| | - Trond Peder Flaten
- Department of Chemistry, Norwegian University of Science and Technology, Trondheim, Norway
| | - Jon Elling Whist
- Research Department, Innlandet Hospital Trust, Brumunddal, Norway
| | - Jan O Aaseth
- Research Department, Innlandet Hospital Trust, Brumunddal, Norway
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13
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Ren Y, Jiang H, Pu J, Li L, Wu J, Yan Y, Zhao G, Guttuso TJ, Zhang B, Feng J. Molecular Features of Parkinson's Disease in Patient-Derived Midbrain Dopaminergic Neurons. Mov Disord 2022; 37:70-79. [PMID: 34564901 PMCID: PMC8901260 DOI: 10.1002/mds.28786] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 08/12/2021] [Accepted: 08/23/2021] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND Despite intense efforts to develop an objective diagnostic test for Parkinson's disease, there is still no consensus on biomarkers that can accurately diagnose the disease. OBJECTIVE Identification of biomarkers for idiopathic Parkinson's disease (PD) may enable accurate diagnosis of the disease. We tried to find molecular and cellular differences in dopaminergic (DA) neurons derived from healthy subjects and idiopathic PD patients with or without rest tremor at onset. METHODS We measured the expression of genes controlling dopamine synthesis, sequestration, and catabolism as well as the levels of corresponding metabolites and reactive oxygen species in midbrain DA neurons differentiated from induced pluripotent stem cells (iPSCs) of healthy subjects and PD patients with or without rest tremor. RESULTS Significant differences in DA-related gene expression, metabolites, and oxidative stress were found between midbrain DA neurons derived from healthy subjects and patients with PD. DA neurons derived from PD patients with or without rest tremor at onset exhibited significant differences in the levels of some of these transcripts, metabolites, and oxidative stress. CONCLUSION The unique combination of these quantifiable molecular and cellular traits in iPSC-derived midbrain DA neurons can distinguish healthy subjects from idiopathic PD patients and segregate PD patients with or without rest tremor at onset. The strategy may be used to develop an objective diagnostic test for PD.
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Affiliation(s)
- Yong Ren
- Department of Physiology and Biophysics, State University of New York at Buffalo, Buffalo, New York, USA
| | - Houbo Jiang
- Department of Physiology and Biophysics, State University of New York at Buffalo, Buffalo, New York, USA
| | - Jiali Pu
- Department of Physiology and Biophysics, State University of New York at Buffalo, Buffalo, New York, USA,Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Li Li
- Department of Physiology and Biophysics, State University of New York at Buffalo, Buffalo, New York, USA
| | - Jianbo Wu
- Department of Physiology and Biophysics, State University of New York at Buffalo, Buffalo, New York, USA
| | - Yaping Yan
- Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Guohua Zhao
- Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Thomas J. Guttuso
- Department of Neurology, State University of New York at Buffalo, Buffalo, New York, USA
| | - Baorong Zhang
- Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China,Correspondence to: Prof. Jian Feng, Department of Physiology and Biophysics, State University of New York at Buffalo, 955 Main Street, Buffalo, NY 14203, USA, ; or Prof. Baorong Zhang, Department of Neurology, Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou, Zhejiang 310009, China;
| | - Jian Feng
- Department of Physiology and Biophysics, State University of New York at Buffalo, Buffalo, New York, USA,Correspondence to: Prof. Jian Feng, Department of Physiology and Biophysics, State University of New York at Buffalo, 955 Main Street, Buffalo, NY 14203, USA, ; or Prof. Baorong Zhang, Department of Neurology, Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou, Zhejiang 310009, China;
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Santos-Lobato BL, Bortolanza M, Pinheiro LC, Batalhão ME, Pimentel ÂV, Capellari-Carnio E, Del-Bel EA, Tumas V. Levodopa-induced dyskinesias in Parkinson's disease increase cerebrospinal fluid nitric oxide metabolites' levels. J Neural Transm (Vienna) 2021; 129:55-63. [PMID: 34940921 DOI: 10.1007/s00702-021-02447-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 11/24/2021] [Indexed: 10/19/2022]
Abstract
Levodopa-induced dyskinesia (LID) is a common complication of Parkinson's disease (PD) therapy. Nitric oxide in the central nervous system may have a role in its pathophysiology. The present work investigates plasma and CSF levels of nitric oxide metabolites nitrite and nitrate in patients with PD, LID, and healthy control. We measured plasma and CSF nitrite and nitrate levels in patients with PD with and without LID and in healthy controls. The levels of plasma and CSF nitrite and nitrate were measured by ozone-based chemiluminescence. Sixty-seven participants were enrolled. CSF nitrite levels in patients with PD and LID were higher than in patients with PD without LID and healthy controls. CSF/plasma ratio of nitrite was higher in patients with PD and LID than in patients with PD without LID. The CSF/plasma ratio of nitrite in patients with PD and LID was higher than 1, indicating an intrathecal production of NO in patients with this motor complication. There was an increase in nitrate levels of CSF and CSF/plasma ratio of nitrate in patients with PD and LID compared to the healthy controls. Sex, age at evaluation, disease duration, and levodopa equivalent daily doses, as well as processing and storage time, did not critically influence these results. The present study demonstrated an increase in nitrite and nitrate levels in the central nervous system of patients with PD and LID. This finding strengthens the role of NO on LID pathophysiology.
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Affiliation(s)
- Bruno L Santos-Lobato
- Department of Neurosciences and Behavioral Sciences, Ribeirão Preto Medical School, University of São Paulo, Av. Bandeirantes 3900, Ribeirão Prêto, SP, 14049-900, Brazil.,Laboratory of Experimental Neuropathology, Federal University of Pará, Belém, Brazil
| | - Mariza Bortolanza
- Department of Basic and Oral Biology, Faculty of Odontology of Ribeirão Preto, University of São Paulo, Ribeirão Prêto, SP, Brazil
| | - Lucas César Pinheiro
- Nursing School of Ribeirão Preto, University of São Paulo, Ribeirão Prêto, SP, Brazil
| | - Marcelo E Batalhão
- Nursing School of Ribeirão Preto, University of São Paulo, Ribeirão Prêto, SP, Brazil
| | - Ângela V Pimentel
- Department of Neurosciences and Behavioral Sciences, Ribeirão Preto Medical School, University of São Paulo, Av. Bandeirantes 3900, Ribeirão Prêto, SP, 14049-900, Brazil
| | | | - Elaine A Del-Bel
- Department of Basic and Oral Biology, Faculty of Odontology of Ribeirão Preto, University of São Paulo, Ribeirão Prêto, SP, Brazil
| | - Vitor Tumas
- Department of Neurosciences and Behavioral Sciences, Ribeirão Preto Medical School, University of São Paulo, Av. Bandeirantes 3900, Ribeirão Prêto, SP, 14049-900, Brazil.
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15
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Ferroptosis as a Major Factor and Therapeutic Target for Neuroinflammation in Parkinson's Disease. Biomedicines 2021; 9:biomedicines9111679. [PMID: 34829907 PMCID: PMC8615560 DOI: 10.3390/biomedicines9111679] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/09/2021] [Accepted: 11/11/2021] [Indexed: 12/16/2022] Open
Abstract
Mounting evidence suggests that ferroptosis is not just a consequence but also a fundamental contributor to the development and progression of Parkinson’s disease (PD). Ferroptosis is characterized as iron-dependent regulated cell death caused by excessive lipid peroxidation, leading to plasma membrane rupture, release of damage-associated molecular patterns, and neuroinflammation. Due to the crucial role of intracellular iron in mediating the production of reactive oxygen species and the formation of lipid peroxides, ferroptosis is intimately controlled by regulators involved in many aspects of iron metabolism, including iron uptake, storage and export, and by pathways constituting the antioxidant systems. Translational and transcriptional regulation of iron homeostasis and redox status provide an integrated network to determine the sensitivity of ferroptosis. We herein review recent advances related to ferroptosis, ranging from fundamental mechanistic discoveries and cutting-edge preclinical animal studies, to clinical trials in PD and the regulation of neuroinflammation via ferroptosis pathways. Elucidating the roles of ferroptosis in the survival of dopaminergic neurons and microglial activity can enhance our understanding of the pathogenesis of PD and provide opportunities for the development of novel prevention and treatment strategies.
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16
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Squitti R, Ventriglia M, Granzotto A, Sensi SL, Rongioletti MCA. Non-Ceruloplasmin Copper as a Stratification Biomarker of Alzheimer's Disease Patients: How to Measure and Use It. Curr Alzheimer Res 2021; 18:533-545. [PMID: 34674622 DOI: 10.2174/1567205018666211022085755] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 06/19/2021] [Accepted: 06/30/2021] [Indexed: 11/22/2022]
Abstract
Alzheimer's disease (AD) is a type of dementia very common in the elderly. A growing body of recent evidence has linked AD pathogenesis to copper (Cu) dysmetabolism in the body. In fact, a subset of patients affected either by AD or by its prodromal form known as Mild Cognitive Impairment (MCI) have been observed to be unable to maintain a proper balance of Cu metabolism and distribution and are characterized by the presence in their serum of increased levels of Cu not bound to ceruloplasmin (non-ceruloplasmin Cu). Since serum non-ceruloplasmin Cu is a biomark- er of Wilson's disease (WD), a well-known condition of Cu-driven toxicosis, in this review, we pro- pose that in close analogy with WD, the assessment of non-ceruloplasmin Cu levels can be exploit- ed as a cost-effective stratification and susceptibility/risk biomarker for the identification of some AD/MCI individuals. The approach can also be used as an eligibility criterion for clinical trials aim- ing at investigating Cu-related interventions against AD/MCI.
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Affiliation(s)
- Rosanna Squitti
- Molecular Markers Laboratory, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia. Italy
| | - Mariacarla Ventriglia
- Fatebenefratelli Foundation for Health Research and Education, AFaR Division, San Giovanni Calibita Fatebene-fratelli Hospital, Isola Tiberina, Rome. Italy
| | - Alberto Granzotto
- Center for Advanced Studies and Technology (CAST), University "G. d'Annunzio" of Chieti-Pescara, Chieti. Italy
| | - Stefano L Sensi
- Center for Advanced Studies and Technology (CAST), University "G. d'Annunzio" of Chieti-Pescara, Chieti. Italy
| | - Mauro Ciro Antonio Rongioletti
- Department of Laboratory Medicine, Research and Development Division, San Giovanni Calibita Fatebenefratelli Hospital, Isola Tiberina, Rome. Italy
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17
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DNA Double-Strand Breaks Induced in Human Cells by Twelve Metallic Species: Quantitative Inter-Comparisons and Influence of the ATM Protein. Biomolecules 2021; 11:biom11101462. [PMID: 34680095 PMCID: PMC8533583 DOI: 10.3390/biom11101462] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/29/2021] [Accepted: 10/02/2021] [Indexed: 01/25/2023] Open
Abstract
Despite a considerable amount of data, the molecular and cellular bases of the toxicity due to metal exposure remain unknown. Recent mechanistic models from radiobiology have emerged, pointing out that the radiation-induced nucleo-shuttling of the ATM protein (RIANS) initiates the recognition and the repair of DNA double-strand breaks (DSB) and the final response to genotoxic stress. In order to document the role of ATM-dependent DSB repair and signalling after metal exposure, we applied twelve different metal species representing nine elements (Al, Cu, Zn Ni, Pd, Cd, Pb, Cr, and Fe) to human skin, mammary, and brain cells. Our findings suggest that metals may directly or indirectly induce DSB at a rate that depends on the metal properties and concentration, and tissue type. At specific metal concentration ranges, the nucleo-shuttling of ATM can be delayed which impairs DSB recognition and repair and contributes to toxicity and carcinogenicity. Interestingly, as observed after low doses of ionizing radiation, some phenomena equivalent to the biological response observed at high metal concentrations may occur at lower concentrations. A general mechanistic model of the biological response to metal exposure based on the nucleo-shuttling of ATM is proposed to describe the metal-induced stress response and to define quantitative endpoints for toxicity and carcinogenicity.
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18
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An Unrecognized Fundamental Relationship between Neurotransmitters: Glutamate Protects against Catecholamine Oxidation. Antioxidants (Basel) 2021; 10:antiox10101564. [PMID: 34679699 PMCID: PMC8533062 DOI: 10.3390/antiox10101564] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/27/2021] [Accepted: 09/29/2021] [Indexed: 01/16/2023] Open
Abstract
Neurotransmitter catecholamines (dopamine, epinephrine, and norepinephrine) are liable to undergo oxidation, which copper is deeply involved in. Catecholamine oxidation-derived neurotoxicity is recognized as a pivotal pathological mechanism in neurodegenerative diseases. Glutamate, as an excitatory neurotransmitter, is enriched in the brain at extremely high concentrations. However, the chemical biology relationship of these two classes of neurotransmitters remains largely unknown. In the present study, we assessed the influences of glutamate on the autoxidation of catecholamines, the copper- and copper-containing ceruloplasmin-mediated oxidation of catecholamines, the catecholamine-induced formation of quinoprotein, catecholamine/copper-induced hydroxyl radicals, and DNA damage in vitro. The results demonstrate that glutamate, at a physiologically achievable molar ratio of glutamate/catecholamines, has a pronounced inhibitory effect on catecholamine oxidation, catecholamine oxidation-evoked hydroxyl radicals, quinoprotein, and DNA damage. The protective mechanism of glutamate against catecholamine oxidation could be attributed to its restriction of the redox activity of copper via chelation. This previously unrecognized link between glutamate, catecholamines, and copper suggests that neurodegenerative disorders may occur and develop once the built-in equilibrium is disrupted and brings new insight into developing more effective prevention and treatment strategies for neurodegenerative diseases.
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19
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Scholefield M, Unwin RD, Cooper GJ. Shared perturbations in the metallome and metabolome of Alzheimer's, Parkinson's, Huntington's, and dementia with Lewy bodies: A systematic review. Ageing Res Rev 2020; 63:101152. [PMID: 32846222 DOI: 10.1016/j.arr.2020.101152] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 08/06/2020] [Accepted: 08/17/2020] [Indexed: 12/13/2022]
Abstract
Despite differences in presentation, age-related dementing diseases such as Alzheimer's (AD), Parkinson's (PD), and Huntington's diseases (HD), and dementia with Lewy bodies (DLB) may share pathogenic processes. This review aims to systematically assemble and compare findings in various biochemical pathways across these four dementias. PubMed and Google Scholar were screened for articles reporting on brain and biofluid measurements of metals and/or metabolites in AD, PD, HD, or DLB. Articles were assessed using specific a priori-defined inclusion and exclusion criteria. Of 284 papers identified, 198 met criteria for inclusion. Although varying coverage levels of metals and metabolites across diseases and tissues made comparison of many analytes impossible, several common findings were identified: elevated glucose in both brain tissue and biofluids of AD, PD, and HD cases; increased iron and decreased copper in AD, PD and HD brain tissue; and decreased uric acid in biofluids of AD and PD cases. Other analytes were found to differ between diseases or were otherwise not covered across all conditions. These findings indicate that disturbances in glucose and purine pathways may be common to AD, PD, and HD. However, standardisation of methodologies and better coverage in some areas - notably of DLB - are necessary to validate and extend these findings.
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20
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Katayama T, Sawada J, Takahashi K, Yahara O. Cerebrospinal Fluid Biomarkers in Parkinson's Disease: A Critical Overview of the Literature and Meta-Analyses. Brain Sci 2020; 10:brainsci10070466. [PMID: 32698474 PMCID: PMC7407121 DOI: 10.3390/brainsci10070466] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Revised: 07/16/2020] [Accepted: 07/17/2020] [Indexed: 12/14/2022] Open
Abstract
Parkinson’s disease (PD) is a common neurodegenerative disorder; however, well-established biochemical markers have not yet been identified. This review article covers several candidate cerebrospinal fluid (CSF) biomarkers for PD based on the recent literature and meta-analysis data. The decrease of α-synuclein in PD is supported by meta-analyses with modest reproducibility, and a decrease of amyloid β42 is seen as a prognostic marker for cognitive decline. Tau, phosphorylated tau (p-tau), and neurofilament light chains have been used to discriminate PD from other neurodegenerative disorders. This article also describes more hopeful biochemical markers, such as neurotransmitters, oxidative stress markers, and other candidate biomarkers.
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Affiliation(s)
- Takayuki Katayama
- Department of Neurology, Asahikawa City Hospital, 1-1-65 Kinseicho, Asahikawa 070-8610, Japan; (K.T.); (O.Y.)
- Correspondence: ; Tel.: +81-166-24-3181; Fax: +81-166-24-1125
| | - Jun Sawada
- Department of Neurology, Asahikawa Medical University Hospital, Asahikawa 078-8510, Japan;
| | - Kae Takahashi
- Department of Neurology, Asahikawa City Hospital, 1-1-65 Kinseicho, Asahikawa 070-8610, Japan; (K.T.); (O.Y.)
| | - Osamu Yahara
- Department of Neurology, Asahikawa City Hospital, 1-1-65 Kinseicho, Asahikawa 070-8610, Japan; (K.T.); (O.Y.)
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21
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Tokuda E, Takei YI, Ohara S, Fujiwara N, Hozumi I, Furukawa Y. Wild-type Cu/Zn-superoxide dismutase is misfolded in cerebrospinal fluid of sporadic amyotrophic lateral sclerosis. Mol Neurodegener 2019; 14:42. [PMID: 31744522 PMCID: PMC6862823 DOI: 10.1186/s13024-019-0341-5] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 10/31/2019] [Indexed: 02/06/2023] Open
Abstract
Background A subset of familial forms of amyotrophic lateral sclerosis (ALS) are caused by mutations in the gene coding Cu/Zn-superoxide dismutase (SOD1). Mutant SOD1 proteins are susceptible to misfolding and abnormally accumulated in spinal cord, which is most severely affected in ALS. It, however, remains quite controversial whether misfolding of wild-type SOD1 is involved in more prevalent sporadic ALS (sALS) cases without SOD1 mutations. Methods Cerebrospinal fluid (CSF) from patients including sALS as well as several other neurodegenerative diseases and non-neurodegenerative diseases was examined with an immunoprecipitation assay and a sandwich ELISA using antibodies specifically recognizing misfolded SOD1. Results We found that wild-type SOD1 was misfolded in CSF from all sALS cases examined in this study. The misfolded SOD1 was also detected in CSF from a subset of Parkinson’s disease and progressive supranuclear palsy, albeit with smaller amounts than those in sALS. Furthermore, the CSF samples containing the misfolded SOD1 exhibited significant toxicity toward motor neuron-like NSC-34 cells, which was ameliorated by removal of the misfolded wild-type SOD1 with immunoprecipitation. Conclusions Taken together, we propose that misfolding of wild-type SOD1 in CSF is a common pathological process of ALS cases regardless of SOD1 mutations.
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Affiliation(s)
- Eiichi Tokuda
- Laboratory for Mechanistic Chemistry of Biomolecules, Department of Chemistry, Keio University, Yokohama, 223-8522, Japan
| | - Yo-Ichi Takei
- Department of Neurology, Matsumoto Medical Center, Matsumoto, 399-0021, Japan
| | - Shinji Ohara
- Department of Neurology, Matsumoto Medical Center, Matsumoto, 399-0021, Japan.,Department of Neurology, Iida Hospital, Iida, 395-8505, Japan
| | - Noriko Fujiwara
- Department of Biochemistry, Hyogo College of Medicine, Nishinomiya, 663-8501, Japan
| | - Isao Hozumi
- Laboratory of Medical Therapeutics and Molecular Therapeutics, Gifu Pharmaceutical University, Gifu, 501-1196, Japan.,Department of Neurology and Geriatrics, Gifu University Graduate School of Medicine, Gifu, 501-1194, Japan
| | - Yoshiaki Furukawa
- Laboratory for Mechanistic Chemistry of Biomolecules, Department of Chemistry, Keio University, Yokohama, 223-8522, Japan.
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22
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Palmieri G, Arciello S, Bimonte M, Carola A, Tito A, Gogliettino M, Cocca E, Fusco C, Balestrieri M, Colucci MG, Apone F. The extraordinary resistance to UV radiations of a manganese superoxide dismutase of Deinococcus radiodurans offers promising potentialities in skin care applications. J Biotechnol 2019; 302:101-111. [DOI: 10.1016/j.jbiotec.2019.07.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 07/02/2019] [Indexed: 11/25/2022]
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23
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Functions and dysfunctions of nitric oxide in brain. Biochim Biophys Acta Mol Basis Dis 2019; 1865:1949-1967. [DOI: 10.1016/j.bbadis.2018.11.007] [Citation(s) in RCA: 97] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 10/29/2018] [Accepted: 11/11/2018] [Indexed: 02/06/2023]
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Unequivocal Biomarker for Parkinson’s Disease: A Hunt that Remains a Pester. Neurotox Res 2019; 36:627-644. [DOI: 10.1007/s12640-019-00080-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 06/17/2019] [Accepted: 06/19/2019] [Indexed: 12/14/2022]
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Ghidoni R, Squitti R, Siotto M, Benussi L. Innovative Biomarkers for Alzheimer's Disease: Focus on the Hidden Disease Biomarkers. J Alzheimers Dis 2019; 62:1507-1518. [PMID: 29504534 DOI: 10.3233/jad-170953] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The criteria for the clinical diagnosis of AD include the analysis of biomarkers of the underlying brain disease pathology; a set of cerebrospinal fluid (CSF) tests, amyloid-β1-42 (Aβ42), total-tau (t-tau), and phosphorylated tau (p-tau), are available and their performance in a clinical setting has been assessed in several studies. Thus, in dementia research, great advances have been made in the discovery of putative biomarkers; however, disappointingly, few of them have been translated into clinically applicable assays. To find biomarkers able to reliably detect AD pathology already at prodromal stages and in blood is even more important. Recent technical breakthroughs have provided ultrasensitive methods that allow the detection of brain-specific proteins in blood. In the present review, we will focus on the usefulness of ultrasensitive technologies for biomarker discovery and trace elements detection; moreover, we will review studies on circulating nano-compartments, a promising novel source of material for molecular diagnostics.
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Affiliation(s)
- Roberta Ghidoni
- Molecular Markers Laboratory, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy
| | - Rosanna Squitti
- Molecular Markers Laboratory, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy
| | | | - Luisa Benussi
- Molecular Markers Laboratory, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy
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Costa MFBNAD, Reisdorfer E, Kempfer SS, Fernandes GCM, Porporatti AL, Canto GDL. Diagnostic validity of biomarkers in Parkinson's Disease: systematic review and meta-analysis. Rev Bras Enferm 2019; 71:3074-3083. [PMID: 30517414 DOI: 10.1590/0034-7167-2017-0822] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Accepted: 04/16/2018] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVE To identify biomarkers for Parkinson's disease, cerebrospinal fluid, blood, saliva, and urine. METHOD The studies were collected from the Cochrane, LILACS, PubMed, SCOPUS, WEB OF SCIENCE, OpenGrey, ProQuest and Google Scholar databases starting from May 3, 2016 and updated on March 20, 2017. Twenty-two studies were evaluated, by the Quality Assessment Tool for Diagnostic Accuracy Studies and Review Manager 5.3. RESULTS Evidence shows that serum antibodies can be used as highly specific and accurate biomarkers for the diagnosis of Parkinson's disease at the outset. Biomarkers in the cerebrospinal fluid are related to increased motor severity, postural instability, gait abnormality, and cognitive impairment. CONCLUSION Serum and cerebrospinal antibodies can be used as diagnostic biomarkers at the onset of the disease.
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Gutfilen B, Souza SA, Valentini G. Copper-64: a real theranostic agent. DRUG DESIGN DEVELOPMENT AND THERAPY 2018; 12:3235-3245. [PMID: 30323557 PMCID: PMC6173185 DOI: 10.2147/dddt.s170879] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Ongoing studies of physiological and pathological processes have led to a corresponding need for new radiopharmaceuticals, especially when studies are limited by the absence of a particular radiolabeled target. Thus, the development of new radioactive tracers is highly relevant and can represent a significant contribution to efforts to elucidate important phenomena in biology. Currently, theranostics represents a new frontier in the fields of medicine and nuclear medicine, with the same compound being used for both diagnosis and treatment. In the human body, copper (Cu) is the third most abundant metal and it plays a crucial role in many biological functions. Correspondingly, in various acquired and inherited pathological conditions, such as cancer and Alzheimer’s disease, alterations in Cu levels have been found. Moreover, a wide spectrum of neurodegenerative disorders are associated with higher or lower levels of Cu, as well as inappropriately bound or distributed levels of Cu in the brain. In human cells, the membrane protein, hCtr1, binds Cu in its Cu(I) oxidation state in an energy-dependent manner. Copper-64 (64Cu) is a cyclotron-produced radionuclide that has exhibited physical properties that are complementary for diagnosis and/or therapeutic purposes. To date, very few reports have described the clinical development of 64Cu as a radiotracer for cancer imaging. In this review, we highlight recent insights in our understanding and use of 64CuCl2 as a theranostic agent for various types of tumors. To the best of our knowledge, no adverse effects or clinically observable pharmacological effects have been described for 64CuCl2 in the literature. Thus, 64Cu represents a revolutionary radiopharmaceutical for positron emission tomography imaging and opens a new era in the theranostic field.
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Affiliation(s)
- Bianca Gutfilen
- Department of Radiology, School of Medicine, Laboratório de Marcação de Células e Moléculas (LMCM), Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil,
| | - Sergio Al Souza
- Department of Radiology, School of Medicine, Laboratório de Marcação de Células e Moléculas (LMCM), Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil,
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Ilyechova EY, Miliukhina IV, Orlov IA, Muruzheva ZM, Puchkova LV, Karpenko MN. A low blood copper concentration is a co-morbidity burden factor in Parkinson’s disease development. Neurosci Res 2018; 135:54-62. [DOI: 10.1016/j.neures.2017.11.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 11/15/2017] [Accepted: 11/30/2017] [Indexed: 01/21/2023]
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Siotto M, Squitti R. Copper imbalance in Alzheimer’s disease: Overview of the exchangeable copper component in plasma and the intriguing role albumin plays. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2018.05.020] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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30
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De Riccardis L, Buccolieri A, Muci M, Pitotti E, De Robertis F, Trianni G, Manno D, Maffia M. Copper and ceruloplasmin dyshomeostasis in serum and cerebrospinal fluid of multiple sclerosis subjects. Biochim Biophys Acta Mol Basis Dis 2018. [PMID: 29524632 DOI: 10.1016/j.bbadis.2018.03.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Although many studies have been carried out in order to understand the implication of copper (Cu) in the pathogenesis of multiple sclerosis (MS), the exact role that this metal plays in the disease is not still clear. Because of the lack of information in this subject, the present study compared the serum and cerebrospinal (CSF) levels of copper in MS patients in respect to a control group, matched for age and sex, finding a significant increase of metal concentrations, in both biological fluids of MS subjects. To confirm the possible impairment of Cu metabolism, we analyzed ceruloplasmin (Cp) level and activity, seeing as this protein is an established peripheral marker in diseases associated with Cu imbalance. By comparing these two parameters between control and MS subjects, we found an increase of Cp levels, associated with a decrease in Cp activity, in the second group. By analysing these data, free copper levels were calculated, significantly increased in serum of MS subjects; the increase in free copper could be one of the predisposing factors responsible for the Cu altered levels in CSF of MS patients. At the same time, this alteration could be attributable to the inability to incorporate Cu by Cp, probably due to the high oxidative environment found in serum of MS patients. Overall, all these copper alterations may play a role in MS pathogenesis.
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Affiliation(s)
- L De Riccardis
- Department of Biological and Environmental Sciences and Technologies, University of Salento, via Monteroni, Lecce, Italy
| | - A Buccolieri
- Department of Biological and Environmental Sciences and Technologies, University of Salento, via Monteroni, Lecce, Italy
| | - M Muci
- Department of Biological and Environmental Sciences and Technologies, University of Salento, via Monteroni, Lecce, Italy
| | - E Pitotti
- Laboratory of Clinical Proteomic, "Giovanni Paolo II" Hospital, ASL-Lecce, Piazzetta F. Muratore, Lecce, Italy
| | - F De Robertis
- Department of Neurology, "Vito Fazzi" Hospital, ASL-Lecce, Italy
| | - G Trianni
- Department of Neurology, "Vito Fazzi" Hospital, ASL-Lecce, Italy
| | - D Manno
- Department of Mathematics and Physics "Ennio De Giorgi", University of Salento, Lecce, Italy
| | - M Maffia
- Department of Biological and Environmental Sciences and Technologies, University of Salento, via Monteroni, Lecce, Italy; Laboratory of Clinical Proteomic, "Giovanni Paolo II" Hospital, ASL-Lecce, Piazzetta F. Muratore, Lecce, Italy.
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González-Muñoz MJ, Garcimartán A, Meseguer I, Mateos-Vega CJ, Orellana JM, Peña-Fernández A, Benedí J, Sánchez-Muniz FJ. Silicic Acid and Beer Consumption Reverses the Metal Imbalance and the Prooxidant Status Induced by Aluminum Nitrate in Mouse Brain. J Alzheimers Dis 2018; 56:917-927. [PMID: 28059788 DOI: 10.3233/jad-160972] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND Emerging evidence suggests that by affecting mineral balance, aluminum (Al) may enhance some events associated with neurodegenerative diseases. AIM To examine the effect of Al(NO3)3 exposure on brain Al, cooper (Cu), iron (Fe), magnesium (Mg), manganese (Mn), silicon (Si), and zinc (Zn) levels, and the metal-change implication in brain oxidant and inflammatory status. METHODS Four groups of six-week-old male NMRI mice were treated for three months: i) controls, administrated with deionized water; ii) Al, which received Al(NO3)3; iii) Al+silicic acid, which were given Al(NO3)3 plus silicic acid; and iv) Al+beer, which received Al(NO3)3 plus beer. RESULTS Brain Al and TBARS levels and TNFα and GPx expressions increased, while Cu, Mn, and Zn levels, and catalase and CuZn-SOD expression decreased (at least, p < 0.05) in Al versus control animals. Al, Si, and TBARS levels and TNFα expression decreased (p < 0.05) in Al+silicic acid and Al+beer specimens while Cu, Mn, and Zn levels and antioxidant expression increased versus the Al group. Brain Al levels correlated negatively with those of Cu, Fe, Mn, and Zn, and catalase, CuZn-SOD, and GPx enzyme expressions but positively with Si and TBARS levels and TNFα expression. Two components of the principal component analysis (PCA) explained 71.2% of total data variance (p < 0.001). PCA connected the pro-oxidant markers with brain Al content, while brain Zn and Cu levels were closer to antioxidant enzyme expression. CONCLUSION Administration of Al(NO3)3 induced metal imbalance, inflammation, and antioxidant status impairment in the brain. Those effects were blocked to a significant extent by silicic acid and beer administration.
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Affiliation(s)
- María José González-Muñoz
- Departamento de Ciencias Biomédicas, Unidad Docente de Toxicologia, Facultad de Farmacia, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
| | - Alba Garcimartán
- Departamento de Farmacología, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
| | - Isabel Meseguer
- Departamento de Ciencias Biomédicas, Unidad Docente de Toxicologia, Facultad de Farmacia, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
| | - Carmen José Mateos-Vega
- Departamento de Ciencias Biomédicas, Unidad Docente de Toxicologia, Facultad de Farmacia, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
| | - José María Orellana
- Centro de Experimentación Animal, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
| | | | - Juana Benedí
- Departamento de Farmacología, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
| | - Francisco J Sánchez-Muniz
- Departamento de Nutrición y Bromatología I (Nutrición), Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
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Metallomics Applied to the Study of Neurodegenerative and Mental Diseases. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1055:21-37. [PMID: 29884960 DOI: 10.1007/978-3-319-90143-5_2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Biochemical imbalances, provoked by aging or a secondary illness, might directly affect the brain, causing severe problems, such as loss of memory or alteration of behavior patterns. Brain disorders are usually classified as injuries (such as stroke, hematomas, and concussions), tumors, and neurodegenerative (such as Parkinson's and Alzheimer's diseases) and mental (such as depression, bipolar disorder, schizophrenia) diseases. As the pathophysiology of these illnesses is not completely established and multiple factors are involved, metallomics, a bioanalytical strategy that allows the detection of metal ions and metalloproteins in diverse biological matrices, is of extreme relevance in identifying which elements are affected by a disease and/or treatment. Thus, determining which element ions suffer disturbances in their homeostasis during the disease progress is relevant to understand the biochemical changes and propose new drug targets. In addition, it is well known that oxidative stress plays an important role in the development of pathological neurodegenerative and mental diseases, which may be caused by metal ion dyshomeostasis, so it is also important to understand endogenous antioxidant metalloprotein and metalloenzyme mechanisms in this regard. In this context, recent applications of metallomics in the study of neurodegenerative and mental disorders are discussed in this chapter, as well as future trends in this research area.
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Why should neuroscientists worry about iron? The emerging role of ferroptosis in the pathophysiology of neuroprogressive diseases. Behav Brain Res 2017; 341:154-175. [PMID: 29289598 DOI: 10.1016/j.bbr.2017.12.036] [Citation(s) in RCA: 104] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2017] [Revised: 12/23/2017] [Accepted: 12/27/2017] [Indexed: 12/12/2022]
Abstract
Ferroptosis is a unique form of programmed death, characterised by cytosolic accumulation of iron, lipid hydroperoxides and their metabolites, and effected by the fatal peroxidation of polyunsaturated fatty acids in the plasma membrane. It is a major driver of cell death in neurodegenerative neurological diseases. Moreover, cascades underpinning ferroptosis could be active drivers of neuropathology in major psychiatric disorders. Oxidative and nitrosative stress can adversely affect mechanisms and proteins governing cellular iron homeostasis, such as the iron regulatory protein/iron response element system, and can ultimately be a source of abnormally high levels of iron and a source of lethal levels of lipid membrane peroxidation. Furthermore, neuroinflammation leads to the upregulation of divalent metal transporter1 on the surface of astrocytes, microglia and neurones, making them highly sensitive to iron overload in the presence of high levels of non-transferrin-bound iron, thereby affording such levels a dominant role in respect of the induction of iron-mediated neuropathology. Mechanisms governing systemic and cellular iron homeostasis, and the related roles of ferritin and mitochondria are detailed, as are mechanisms explaining the negative regulation of ferroptosis by glutathione, glutathione peroxidase 4, the cysteine/glutamate antiporter system, heat shock protein 27 and nuclear factor erythroid 2-related factor 2. The potential role of DJ-1 inactivation in the precipitation of ferroptosis and the assessment of lipid peroxidation are described. Finally, a rational approach to therapy is considered, with a discussion on the roles of coenzyme Q10, iron chelation therapy, in the form of deferiprone, deferoxamine (desferrioxamine) and deferasirox, and N-acetylcysteine.
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Cicero CE, Mostile G, Vasta R, Rapisarda V, Signorelli SS, Ferrante M, Zappia M, Nicoletti A. Metals and neurodegenerative diseases. A systematic review. ENVIRONMENTAL RESEARCH 2017; 159:82-94. [PMID: 28777965 DOI: 10.1016/j.envres.2017.07.048] [Citation(s) in RCA: 161] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Revised: 07/26/2017] [Accepted: 07/28/2017] [Indexed: 05/28/2023]
Abstract
Neurodegenerative processes encompass a large variety of diseases with different pathological patterns and clinical presentation such as Amyotrophic Lateral Sclerosis (ALS), Alzheimer Disease (AD) and Parkinson's disease (PD). Genetic mutations have a known causative role, but the majority of cases are likely to be probably caused by a complex gene-environment interaction. Exposure to metals has been hypothesized to increase oxidative stress in brain cells leading to cell death and neurodegeneration. Neurotoxicity of metals has been demonstrated by several in vitro and in vivo experimental studies and it is likely that each metal could be toxic through specific pathways. The possible pathogenic role of different metals has been supported by some epidemiological evidences coming from occupational and ecological studies. In order to assess the possible association between metals and neurodegenerative disorders, several case-control studies have also been carried out evaluating the metals concentration in different biological specimens such as blood/serum/plasma, cerebrospinal fluid (CSF), nail and hair, often reporting conflicting results. This review provides an overview of our current knowledge on the possible association between metals and ALS, AD and PD as main neurodegenerative disorders.
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Affiliation(s)
- Calogero Edoardo Cicero
- Department of Medical, Surgical Sciences and Advanced Technologies "G. F. Ingrassia", University of Catania, Catania, Italy
| | - Giovanni Mostile
- Department of Medical, Surgical Sciences and Advanced Technologies "G. F. Ingrassia", University of Catania, Catania, Italy
| | - Rosario Vasta
- Department of Medical, Surgical Sciences and Advanced Technologies "G. F. Ingrassia", University of Catania, Catania, Italy
| | - Venerando Rapisarda
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | | | - Margherita Ferrante
- Department of Medical, Surgical Sciences and Advanced Technologies "G. F. Ingrassia", University of Catania, Catania, Italy
| | - Mario Zappia
- Department of Medical, Surgical Sciences and Advanced Technologies "G. F. Ingrassia", University of Catania, Catania, Italy
| | - Alessandra Nicoletti
- Department of Medical, Surgical Sciences and Advanced Technologies "G. F. Ingrassia", University of Catania, Catania, Italy.
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Kurnik-Łucka M, Panula P, Bugajski A, Gil K. Salsolinol: an Unintelligible and Double-Faced Molecule-Lessons Learned from In Vivo and In Vitro Experiments. Neurotox Res 2017; 33:485-514. [PMID: 29063289 PMCID: PMC5766726 DOI: 10.1007/s12640-017-9818-6] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Revised: 08/19/2017] [Accepted: 09/08/2017] [Indexed: 12/29/2022]
Abstract
Salsolinol (1-methyl-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline) is a tetrahydroisoquinoline derivative whose presence in humans was first detected in the urine of Parkinsonian patients on l-DOPA (l-dihydroxyphenylalanine) medication. Thus far, multiple hypotheses regarding its physiological/pathophysiological roles have been proposed, especially related to Parkinson’s disease or alcohol addiction. The aim of this review was to outline studies related to salsolinol, with special focus on in vivo and in vitro experimental models. To begin with, the chemical structure of salsolinol together with its biochemical implications and the role in neurotransmission are discussed. Numerous experimental studies are summarized in tables and the most relevant ones are stressed. Finally, the ability of salsolinol to cross the blood–brain barrier and its possible double-faced neurobiological potential are reviewed.
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Affiliation(s)
- Magdalena Kurnik-Łucka
- Department of Pathophysiology, Jagiellonian University Medical College, Czysta 18, 30-121, Krakow, Poland.
| | - Pertti Panula
- Department of Anatomy and Neuroscience Centre, University of Helsinki, Helsinki, Finland
| | - Andrzej Bugajski
- Department of Pathophysiology, Jagiellonian University Medical College, Czysta 18, 30-121, Krakow, Poland
| | - Krzysztof Gil
- Department of Pathophysiology, Jagiellonian University Medical College, Czysta 18, 30-121, Krakow, Poland
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Lam LQ, Wong BX, Frugier T, Li QX, Collins SJ, Bush AI, Crack PJ, Duce JA. Oxidation of Iron under Physiologically Relevant Conditions in Biological Fluids from Healthy and Alzheimer's Disease Subjects. ACS Chem Neurosci 2017; 8:731-736. [PMID: 28029772 DOI: 10.1021/acschemneuro.6b00411] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Ferroxidase activity has been reported to be altered in various biological fluids in neurodegenerative disease, but the sources contributing to the altered activity are uncertain. Here we assay fractions of serum and cerebrospinal fluid with a newly validated triplex ferroxidase assay. Our data indicate that while ceruloplasmin, a multicopper ferroxidase, is the predominant source of serum activity, activity in CSF predominantly derives from a <10 kDa component, specifically from polyanions such as citrate and phosphate. We confirm that in human biological samples, ceruloplasmin activity in serum is decreased in Alzheimer's disease, but in CSF a reduction of activity in Alzheimer's disease originates from the polyanion component.
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Affiliation(s)
- Linh Q. Lam
- Oxidation
Biology Unit, The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, Victoria 3010, Australia
- Neuropharmacology
Laboratory, Department of Pharmacology and Therapeutics, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Bruce X. Wong
- Oxidation
Biology Unit, The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, Victoria 3010, Australia
- School
of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, West Yorkshire, United Kingdom
| | - Tony Frugier
- Neuropharmacology
Laboratory, Department of Pharmacology and Therapeutics, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Qiao-Xin Li
- Oxidation
Biology Unit, The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Steven J. Collins
- Department
of Medicine, Royal Melbourne Hospital, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Ashley I. Bush
- Oxidation
Biology Unit, The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Peter J. Crack
- Neuropharmacology
Laboratory, Department of Pharmacology and Therapeutics, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - James A. Duce
- Oxidation
Biology Unit, The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, Victoria 3010, Australia
- School
of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, West Yorkshire, United Kingdom
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Andersen AD, Binzer M, Stenager E, Gramsbergen JB. Cerebrospinal fluid biomarkers for Parkinson's disease - a systematic review. Acta Neurol Scand 2017; 135:34-56. [PMID: 26991855 DOI: 10.1111/ane.12590] [Citation(s) in RCA: 79] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/01/2016] [Indexed: 12/14/2022]
Abstract
Diagnosis of Parkinson's disease (PD) relies on clinical history and physical examination, but misdiagnosis is common in early stages. Identification of biomarkers for PD may allow early and more precise diagnosis and monitoring of dopamine replacement strategies and disease modifying treatments. Developments in analytical chemistry allow the detection of large numbers of molecules in plasma or cerebrospinal fluid, associated with the pathophysiology or pathogenesis of PD. This systematic review includes cerebrospinal fluid biomarker studies focusing on different disease pathways: oxidative stress, neuroinflammation, lysosomal dysfunction and proteins involved in PD and other neurodegenerative disorders, focusing on four clinical domains: their ability to (1) distinguish PD from healthy subjects and other neurodegenerative disorders as well as their relation to (2) disease duration after initial diagnosis, (3) severity of disease (motor symptoms) and (4) cognitive dysfunction. Oligomeric alpha-synuclein might be helpful in the separation of PD from controls. Through metabolomics, changes in purine and tryptophan metabolism have been discovered in patients with PD. Neurofilament light chain (NfL) has a significant role in distinguishing PD from other neurodegenerative diseases. Several oxidative stress markers are related to disease severity, with the antioxidant urate also having a prognostic value in terms of disease severity. Increased levels of amyloid and tau-proteins correlate with cognitive decline and may have prognostic value for cognitive deficits in PD. In the future, larger longitudinal studies, corroborating previous research on viable biomarker candidates or using metabolomics identifying a vast amount of potential biomarkers, could be a good approach.
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Affiliation(s)
- A. D. Andersen
- Department of Neurology; Hospital of Southern Jutland; Sønderborg Denmark
- Institute of Regional Health Research; University of Southern Denmark; Odense Denmark
- Focused Research Group in Neurology; Hospital of Southern Jutland; Sønderborg Denmark
| | - M. Binzer
- Institute of Regional Health Research; University of Southern Denmark; Odense Denmark
- Focused Research Group in Neurology; Hospital of Southern Jutland; Sønderborg Denmark
| | - E. Stenager
- Institute of Regional Health Research; University of Southern Denmark; Odense Denmark
- Focused Research Group in Neurology; Hospital of Southern Jutland; Sønderborg Denmark
- The Multiple Sclerosis Clinic of Southern Jutland; (Vejle, Sonderborg, Esbjerg) Denmark
| | - J. B. Gramsbergen
- Institute of Molecular Medicine, Neurobiological Research; University of Southern Denmark; Odense Denmark
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Hofer T, Perry G. Nucleic acid oxidative damage in Alzheimer's disease-explained by the hepcidin-ferroportin neuronal iron overload hypothesis? J Trace Elem Med Biol 2016; 38:1-9. [PMID: 27329321 DOI: 10.1016/j.jtemb.2016.06.005] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Revised: 05/11/2016] [Accepted: 06/06/2016] [Indexed: 02/06/2023]
Abstract
There is strong literature support for brain metal dysregulation, oxidative stress and oxidative damage to neurons in Alzheimer's disease (AD); these processes begin early and continue throughout the disease. Here, we review current knowledge on metal dysregulation and nucleic acid oxidative damage in AD (we also include new data demonstrating increased RNA and DNA oxidative damage in hippocampus from individuals having suffered from degenerative (e.g. AD) and psychological diseases: 8-oxo-7,8-dihydroguanine (8-oxoGua) levels as determined by HPLC-EC-UV were particularly elevated in RNA and heterogeneously distributed among adjacent regions versus the control). Whereas neuronal iron accumulation occurs in aging, neuronal iron levels further increase in AD accompanied by oxidative damage, decreased copper levels, amyloid plaque formation and brain inflammation. The 'hepcidin-ferroportin iron overload' AD hypothesis links these processes together and is discussed here. Moreover, we find that most existing transgenic animal AD models only partly involve these processes, rather they are often limited to expression of mutated amyloid beta protein precursor (AbetaPP), presenilin, tau or apolipoprotein E proteins although a few models appear more relevant than others. Relevant models are likely to be crucial for refining and testing this hypothesis as well as developing new drugs.
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Affiliation(s)
- Tim Hofer
- Department of Toxicology and Risk Assessment, Infection Control and Environmental Health, The Norwegian Institute of Public Health, Oslo, Norway.
| | - George Perry
- UTSA Neurosciences Institute and Department of Biology, College of Sciences, University of Texas at San Antonio, San Antonio, TX, United States
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Kim SS, Kang JY, Kang JH. Oxidative modification of human ceruloplasmin induced by a catechol neurotoxin, salsolinol. BMB Rep 2016; 49:45-50. [PMID: 26077029 PMCID: PMC4914212 DOI: 10.5483/bmbrep.2016.49.1.103] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Indexed: 11/20/2022] Open
Abstract
Salsolinol (SAL), a compound derived from dopamine metabolism, is the most probable neurotoxin involved in the pathogenesis of Parkinson's disease (PD). In this study, we investigated the modification and inactivation of human ceruloplasmin (hCP) induced by SAL. Incubation of hCP with SAL increased the protein aggregation and enzyme inactivation in a dose-dependent manner. Reactive oxygen species scavengers and copper chelators inhibited the SAL-mediated hCP modification and inactivation. The formation of dityrosine was detected in SAL-mediated hCP aggregates. Amino acid analysis post the exposure of hCP to SAL revealed that aspartate, histidine, lysine, threonine and tyrosine residues were particularly sensitive. Since hCP is a major copper transport protein, oxidative damage of hCP by SAL may induce perturbation of the copper transport system, which subsequently leads to deleterious conditions in cells. This study of the mechanism by which ceruloplasmin is modified by salsolinol may provide an explanation for the deterioration of organs under neurodegenerative disorders such as PD.
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Affiliation(s)
- Seung-Sub Kim
- Department of Biomedical Science, Cheongju University, Cheongju 28160, Korea
| | - Jae Yoon Kang
- School of Interdisciplinary Studies, Korea University, Seoul 02841, Korea
| | - Jung Hoon Kang
- Department of Biomedical Science, Cheongju University, Cheongju 28160, Korea
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Peres FF, Levin R, Suiama MA, Diana MC, Gouvêa DA, Almeida V, Santos CM, Lungato L, Zuardi AW, Hallak JEC, Crippa JA, Vânia D, Silva RH, Abílio VC. Cannabidiol Prevents Motor and Cognitive Impairments Induced by Reserpine in Rats. Front Pharmacol 2016; 7:343. [PMID: 27733830 PMCID: PMC5040118 DOI: 10.3389/fphar.2016.00343] [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: 07/18/2016] [Accepted: 09/13/2016] [Indexed: 12/29/2022] Open
Abstract
Cannabidiol (CBD) is a non-psychotomimetic compound from Cannabis sativa that presents antipsychotic, anxiolytic, anti-inflammatory, and neuroprotective effects. In Parkinson's disease patients, CBD is able to attenuate the psychotic symptoms induced by L-DOPA and to improve quality of life. Repeated administration of reserpine in rodents induces motor impairments that are accompanied by cognitive deficits, and has been applied to model both tardive dyskinesia and Parkinson's disease. The present study investigated whether CBD administration would attenuate reserpine-induced motor and cognitive impairments in rats. Male Wistar rats received four injections of CBD (0.5 or 5 mg/kg) or vehicle (days 2-5). On days 3 and 5, animals received also one injection of 1 mg/kg reserpine or vehicle. Locomotor activity, vacuous chewing movements, and catalepsy were assessed from day 1 to day 7. On days 8 and 9, we evaluated animals' performance on the plus-maze discriminative avoidance task, for learning/memory assessment. CBD (0.5 and 5 mg/kg) attenuated the increase in catalepsy behavior and in oral movements - but not the decrease in locomotion - induced by reserpine. CBD (0.5 mg/kg) also ameliorated the reserpine-induced memory deficit in the discriminative avoidance task. Our data show that CBD is able to attenuate motor and cognitive impairments induced by reserpine, suggesting the use of this compound in the pharmacotherapy of Parkinson's disease and tardive dyskinesia.
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Affiliation(s)
- Fernanda F Peres
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
| | - Raquel Levin
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
| | - Mayra A Suiama
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
| | - Mariana C Diana
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
| | - Douglas A Gouvêa
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
| | - Valéria Almeida
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
| | - Camila M Santos
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
| | - Lisandro Lungato
- Department of Psychobiology, Federal University of São Paulo São Paulo, Brazil
| | - Antônio W Zuardi
- Department of Neuroscience and Behavior, University of São PauloRibeirão Preto, Brazil; National Institute for Translational Medicine - National Council for Scientific and Technological DevelopmentRibeirão Preto, Brazil
| | - Jaime E C Hallak
- Department of Neuroscience and Behavior, University of São PauloRibeirão Preto, Brazil; National Institute for Translational Medicine - National Council for Scientific and Technological DevelopmentRibeirão Preto, Brazil
| | - José A Crippa
- Department of Neuroscience and Behavior, University of São PauloRibeirão Preto, Brazil; National Institute for Translational Medicine - National Council for Scientific and Technological DevelopmentRibeirão Preto, Brazil
| | - D'Almeida Vânia
- Department of Psychobiology, Federal University of São Paulo São Paulo, Brazil
| | - Regina H Silva
- Department of Pharmacology, Federal University of São Paulo São Paulo, Brazil
| | - Vanessa C Abílio
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
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Gasperini L, Meneghetti E, Legname G, Benetti F. In Absence of the Cellular Prion Protein, Alterations in Copper Metabolism and Copper-Dependent Oxidase Activity Affect Iron Distribution. Front Neurosci 2016; 10:437. [PMID: 27729845 PMCID: PMC5037227 DOI: 10.3389/fnins.2016.00437] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Accepted: 09/09/2016] [Indexed: 12/21/2022] Open
Abstract
Essential elements as copper and iron modulate a wide range of physiological functions. Their metabolism is strictly regulated by cellular pathways, since dysregulation of metal homeostasis is responsible for many detrimental effects. Neurodegenerative disorders such as Alzheimer's disease, Parkinson's disease and prion diseases are characterized by alterations of metal ions. These neurodegenerative maladies involve proteins that bind metals and mediate their metabolism through not well-defined mechanisms. Prion protein, for instance, interacts with divalent cations via multiple metal-binding sites and it modulates several metal-dependent physiological functions, such as S-nitrosylation of NMDA receptors. In this work we focused on the effect of prion protein absence on copper and iron metabolism during development and adulthood. In particular, we investigated copper and iron functional values in serum and several organs such as liver, spleen, total brain and isolated hippocampus. Our results show that iron content is diminished in prion protein-null mouse serum, while it accumulates in liver and spleen. Our data suggest that these alterations can be due to impairments in copper-dependent cerulopalsmin activity which is known to affect iron mobilization. In prion protein-null mouse total brain and hippocampus, metal ion content shows a fluctuating trend, suggesting the presence of homeostatic compensatory mechanisms. However, copper and iron functional values are likely altered also in these two organs, as indicated by the modulation of metal-binding protein expression levels. Altogether, these results reveal that the absence of the cellular prion protein impairs copper metabolism and copper-dependent oxidase activity, with ensuing alteration of iron mobilization from cellular storage compartments.
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Affiliation(s)
- Lisa Gasperini
- Laboratory of Prion Biology, Department of Neuroscience, Scuola Internazionale Superiore di Studi Avanzati Trieste, Italy
| | - Elisa Meneghetti
- Laboratory of Prion Biology, Department of Neuroscience, Scuola Internazionale Superiore di Studi Avanzati Trieste, Italy
| | - Giuseppe Legname
- Laboratory of Prion Biology, Department of Neuroscience, Scuola Internazionale Superiore di Studi Avanzati Trieste, Italy
| | - Federico Benetti
- Laboratory of Prion Biology, Department of Neuroscience, Scuola Internazionale Superiore di Studi Avanzati Trieste, Italy
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Betlazar C, Middleton RJ, Banati RB, Liu GJ. The impact of high and low dose ionising radiation on the central nervous system. Redox Biol 2016; 9:144-156. [PMID: 27544883 PMCID: PMC4993858 DOI: 10.1016/j.redox.2016.08.002] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Revised: 08/06/2016] [Accepted: 08/09/2016] [Indexed: 12/12/2022] Open
Abstract
Responses of the central nervous system (CNS) to stressors and injuries, such as ionising radiation, are modulated by the concomitant responses of the brains innate immune effector cells, microglia. Exposure to high doses of ionising radiation in brain tissue leads to the expression and release of biochemical mediators of ‘neuroinflammation’, such as pro-inflammatory cytokines and reactive oxygen species (ROS), leading to tissue destruction. Contrastingly, low dose ionising radiation may reduce vulnerability to subsequent exposure of ionising radiation, largely through the stimulation of adaptive responses, such as antioxidant defences. These disparate responses may be reflective of non-linear differential microglial activation at low and high doses, manifesting as an anti-inflammatory or pro-inflammatory functional state. Biomarkers of pathology in the brain, such as the mitochondrial Translocator Protein 18 kDa (TSPO), have facilitated in vivo characterisation of microglial activation and ‘neuroinflammation’ in many pathological states of the CNS, though the exact function of TSPO in these responses remains elusive. Based on the known responsiveness of TSPO expression to a wide range of noxious stimuli, we discuss TSPO as a potential biomarker of radiation-induced effects. Ionising radiation can modulate responses of microglial cells in the CNS. High doses can induce ROS formation, oxidative stress and neuroinflammation. Low doses can mitigate tissue damage via antioxidant defences. TSPO as a potential biomarker and modulator of radiation induced effects in the CNS. Non-linear differential microglial activation to high and low doses is proposed.
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Affiliation(s)
- Calina Betlazar
- Bioanalytics group, Life Sciences, Australian Nuclear Science and Technology Organisation (ANSTO), New Illawarra Road, Lucas Heights, NSW 2234, Australia; Discipline of Medical Imaging & Radiation Sciences, Faculty of Health Sciences, The University of Sydney, 75 East Street, Lidcombe, NSW 2141, Australia
| | - Ryan J Middleton
- Bioanalytics group, Life Sciences, Australian Nuclear Science and Technology Organisation (ANSTO), New Illawarra Road, Lucas Heights, NSW 2234, Australia
| | - Richard B Banati
- Bioanalytics group, Life Sciences, Australian Nuclear Science and Technology Organisation (ANSTO), New Illawarra Road, Lucas Heights, NSW 2234, Australia; Discipline of Medical Imaging & Radiation Sciences, Faculty of Health Sciences, The University of Sydney, 75 East Street, Lidcombe, NSW 2141, Australia.
| | - Guo-Jun Liu
- Bioanalytics group, Life Sciences, Australian Nuclear Science and Technology Organisation (ANSTO), New Illawarra Road, Lucas Heights, NSW 2234, Australia; Discipline of Medical Imaging & Radiation Sciences, Faculty of Health Sciences, The University of Sydney, 75 East Street, Lidcombe, NSW 2141, Australia.
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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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Niedzielska E, Smaga I, Gawlik M, Moniczewski A, Stankowicz P, Pera J, Filip M. Oxidative Stress in Neurodegenerative Diseases. Mol Neurobiol 2016; 53:4094-4125. [PMID: 26198567 PMCID: PMC4937091 DOI: 10.1007/s12035-015-9337-5] [Citation(s) in RCA: 483] [Impact Index Per Article: 60.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2015] [Accepted: 07/01/2015] [Indexed: 12/12/2022]
Abstract
The pathophysiologies of neurodegenerative diseases, including amyotrophic lateral sclerosis (ALS), Parkinson's disease (PD), and Alzheimer's disease (AD), are far from being fully explained. Oxidative stress (OS) has been proposed as one factor that plays a potential role in the pathogenesis of neurodegenerative disorders. Clinical and preclinical studies indicate that neurodegenerative diseases are characterized by higher levels of OS biomarkers and by lower levels of antioxidant defense biomarkers in the brain and peripheral tissues. In this article, we review the current knowledge regarding the involvement of OS in neurodegenerative diseases, based on clinical trials and animal studies. In addition, we analyze the effects of the drug-induced modulation of oxidative balance, and we explore pharmacotherapeutic strategies for OS reduction.
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Affiliation(s)
- Ewa Niedzielska
- Department of Toxicology, Chair of Toxicology, Faculty of Pharmacy, Jagiellonian University, Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Irena Smaga
- Department of Toxicology, Chair of Toxicology, Faculty of Pharmacy, Jagiellonian University, Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Maciej Gawlik
- Department of Toxicology, Chair of Toxicology, Faculty of Pharmacy, Jagiellonian University, Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Andrzej Moniczewski
- Department of Toxicology, Chair of Toxicology, Faculty of Pharmacy, Jagiellonian University, Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Piotr Stankowicz
- Department of Toxicology, Chair of Toxicology, Faculty of Pharmacy, Jagiellonian University, Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Joanna Pera
- Department of Neurology, Faculty of Medicine, Jagiellonian University, Medical College, Botaniczna 3, 31-503, Krakow, Poland
| | - Małgorzata Filip
- Department of Toxicology, Chair of Toxicology, Faculty of Pharmacy, Jagiellonian University, Medical College, Medyczna 9, 30-688, Kraków, Poland.
- Laboratory of Drug Addiction Pharmacology, Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343, Kraków, Poland.
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Copper dyshomoeostasis in Parkinson's disease: implications for pathogenesis and indications for novel therapeutics. Clin Sci (Lond) 2016; 130:565-74. [PMID: 26957644 DOI: 10.1042/cs20150153] [Citation(s) in RCA: 87] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Copper is a biometal essential for normal brain development and function, thus copper deficiency or excess results in central nervous system disease. Well-characterized disorders of disrupted copper homoeostasis with neuronal degeneration include Menkes disease and Wilson's disease but a large body of evidence also implicates disrupted copper pathways in other neurodegenerative disorders, including Parkinson's disease, Alzheimer's disease, Amyotrophic lateral sclerosis, Huntington's disease and prion diseases. In this short review we critically evaluate the data regarding changes in systemic and brain copper levels in Parkinson's disease, where alterations in brain copper are associated with regional neuronal cell death and disease pathology. We review copper regulating mechanisms in the human brain and the effects of dysfunction within these systems. We then examine the evidence for a role for copper in pathogenic processes in Parkinson's disease and consider reports of diverse copper-modulating strategies in in vitro and in vivo models of this disorder. Copper-modulating therapies are currently advancing through clinical trials for Alzheimer's and Huntington's disease and may also hold promise as disease modifying agents in Parkinson's disease.
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Çubukçu HC, Yurtdaş M, Durak ZE, Aytaç B, Güneş HN, Çokal BG, Yoldaş TK, Durak İ. Oxidative and nitrosative stress in serum of patients with Parkinson's disease. Neurol Sci 2016; 37:1793-1798. [PMID: 27423450 DOI: 10.1007/s10072-016-2663-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Accepted: 07/05/2016] [Indexed: 12/21/2022]
Abstract
Parkinson's disease (PD) is one of the common neurodegenerative disorders. Oxidative stress is considered as a contributing factor to the development of PD. The present study aims to investigate serum oxidative stress status in patients with PD. Oxidative stress was assessed by measuring serum nitric oxide levels, lipid hydroperoxide concentrations, and nitric oxide synthase activity. In addition, total serum antioxidant capacity (TAC) was evaluated using the serum 2,2-Diphenyl-1-picryl-hydrazyl (DPPH) free-radical scavenging method in 32 patient with Parkinson's disease and 32 control subjects. Our results indicated that serum nitric oxide and lipid hydroperoxide levels were significantly lower in patients with PD than controls. Moreover, nitric oxide levels were found to be negatively correlated with Unified Parkinson's Disease Rating Scale (UPDRS). However, no statistical difference was observed in total serum antioxidant capacities and nitric oxide synthase activities between patients and controls. The present study indicates that although antioxidant capacity was not changed, lipid hydroperoxide (LPO) level was found decreased. This might show pre-oxidative process in these patients. In addition, decreased nitric oxide (NO) level and negative correlation observed between NO level and disease rating scale implicated a role for NO in the disease process.
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Affiliation(s)
- Hikmet Can Çubukçu
- Department of Medical Biochemistry, Ankara University Faculty of Medicine, Morphology Building, Sıhhiye, 06100, Ankara, Turkey.
| | - Mustafa Yurtdaş
- Department of Neurology, Ankara Training and Research Hospital, Ankara, Turkey
| | | | - Bilal Aytaç
- Directorate of Health Services, Turkish Ministry of Health, Ankara, Turkey
| | - Hafize Nalan Güneş
- Department of Neurology, Ankara Training and Research Hospital, Ankara, Turkey
| | - Burcu Gökçe Çokal
- Department of Neurology, Ankara Training and Research Hospital, Ankara, Turkey
| | | | - İlker Durak
- Department of Medical Biochemistry, Ankara University Faculty of Medicine, Morphology Building, Sıhhiye, 06100, Ankara, Turkey
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Otsuki N, Homma T, Fujiwara H, Kaneko K, Hozumi Y, Shichiri M, Takashima M, Ito J, Konno T, Kurahashi T, Yoshida Y, Goto K, Fujii S, Fujii J. Trichloroethylene exposure aggravates behavioral abnormalities in mice that are deficient in superoxide dismutase. Regul Toxicol Pharmacol 2016; 79:83-90. [PMID: 27166294 DOI: 10.1016/j.yrtph.2016.05.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 05/03/2016] [Accepted: 05/04/2016] [Indexed: 12/11/2022]
Abstract
Trichloroethylene (TCE) has been implicated as a causative agent for Parkinson's disease (PD). The administration of TCE to rodents induces neurotoxicity associated with dopaminergic neuron death, and evidence suggests that oxidative stress as a major player in the progression of PD. Here we report on TCE-induced behavioral abnormality in mice that are deficient in superoxide dismutase 1 (SOD1). Wild-type (WT) and SOD1-deficient (Sod1(-/-)) mice were intraperitoneally administered TCE (500 mg/kg) over a period of 4 weeks. Although the TCE-administrated Sod1(-/-) mice showed marked abnormal motor behavior, no significant differences were observed among the experimental groups by biochemical and histopathological analyses. However, treating mouse neuroblastoma-derived NB2a cells with TCE resulted in the down regulation of the SOD1 protein and elevated oxidative stress under conditions where SOD1 production was suppressed. Taken together, these data indicate that SOD1 plays a pivotal role in protecting motor neuron function against TCE toxicity.
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Affiliation(s)
- Noriyuki Otsuki
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Yamagata University, 2-2-2 Iidanishi, Yamagata 990-9585, Japan
| | - Takujiro Homma
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Yamagata University, 2-2-2 Iidanishi, Yamagata 990-9585, Japan
| | - Hiroki Fujiwara
- Department of Physiology, Yamagata University School of Medicine, 2-2-2 Iidanishi, Yamagata 990-9585, Japan
| | - Kenya Kaneko
- Department of Physiology, Yamagata University School of Medicine, 2-2-2 Iidanishi, Yamagata 990-9585, Japan
| | - Yasukazu Hozumi
- Department of Anatomy and Cell Biology, Yamagata University School of Medicine, Iidanishi 2-2-2, Yamagata 990-9585, Japan
| | - Mototada Shichiri
- Health Research Institute (HRI), National Institute of Advanced Industrial Science and Technology (AIST), 1-8-31 Midorigaoka, Ikeda, Osaka 563-8577, Japan
| | - Mizuki Takashima
- Health Research Institute (HRI), National Institute of Advanced Industrial Science and Technology (AIST), 1-8-31 Midorigaoka, Ikeda, Osaka 563-8577, Japan
| | - Junitsu Ito
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Yamagata University, 2-2-2 Iidanishi, Yamagata 990-9585, Japan
| | - Tasuku Konno
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Yamagata University, 2-2-2 Iidanishi, Yamagata 990-9585, Japan
| | - Toshihiro Kurahashi
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Yamagata University, 2-2-2 Iidanishi, Yamagata 990-9585, Japan
| | - Yasukazu Yoshida
- Health Research Institute (HRI), National Institute of Advanced Industrial Science and Technology (AIST), 2217-14 Hayashi-cho, Takamatsu, Kagawa 761-0395, Japan
| | - Kaoru Goto
- Department of Anatomy and Cell Biology, Yamagata University School of Medicine, Iidanishi 2-2-2, Yamagata 990-9585, Japan
| | - Satoshi Fujii
- Department of Physiology, Yamagata University School of Medicine, 2-2-2 Iidanishi, Yamagata 990-9585, Japan
| | - Junichi Fujii
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Yamagata University, 2-2-2 Iidanishi, Yamagata 990-9585, Japan.
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Squitti R, Siotto M, Arciello M, Rossi L. Non-ceruloplasmin bound copper and ATP7B gene variants in Alzheimer's disease. Metallomics 2016; 8:863-73. [DOI: 10.1039/c6mt00101g] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
ATP7B, a protein mainly expressed in the hepatocytes, is a copper chaperone that loads the metal into the serum copper–protein ceruloplasmin during its synthesis and also escorts superfluous copper into the bile, by a sophisticated trafficking mechanism.
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Affiliation(s)
- R. Squitti
- Molecular Markers Laboratory
- IRCCS Istituto Centro San Giovanni di Dio-Fatebenefratelli
- 25125 Brescia, Italy
| | - M. Siotto
- Don Carlo Gnocchi ONLUS Foundation
- Milan, Italy
| | - M. Arciello
- Department of Biology
- University of Rome Tor Vergata
- Rome, Italy
| | - L. Rossi
- Department of Biology
- University of Rome Tor Vergata
- Rome, Italy
- Consorzio Interuniversitario “Istituto Nazionale Biostrutture e Biosistemi” (I.N.B.B.)
- Rome, Italy
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49
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Barbariga M, Curnis F, Andolfo A, Zanardi A, Lazzaro M, Conti A, Magnani G, Volontè MA, Ferrari L, Comi G, Corti A, Alessio M. Ceruloplasmin functional changes in Parkinson's disease-cerebrospinal fluid. Mol Neurodegener 2015; 10:59. [PMID: 26537957 PMCID: PMC4634150 DOI: 10.1186/s13024-015-0055-2] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2015] [Accepted: 10/29/2015] [Indexed: 01/23/2023] Open
Abstract
Background Ceruloplasmin, a ferroxidase present in cerebrospinal fluid (CSF), plays a role in iron homeostasis protecting tissues from oxidative damage. Its reduced enzymatic activity was reported in Parkinson’s disease (PD) contributing to the pathological iron accumulation. We previously showed that ceruloplasmin is modified by oxidation in vivo, and, in addition, in vitro by deamidation of specific NGR-motifs that foster the gain of integrin-binding function. Here we investigated whether the loss of ceruloplasmin ferroxidase activity in the CSF of PD patients was accompanied by NGR-motifs deamidation and gain of function. Results We have found that endogenous ceruloplasmin in the CSF of PD patients showed structural changes, deamidation of the 962NGR-motif which is usually hidden within the ceruloplasmin structure, and the gain of integrin-binding function. These effects occur owing to the presence of abnormal levels of hydrogen peroxide we detected in the CSF of PD patients. Interestingly, the pathological CSF's environment of PD patients promoted the same modifications in the exogenously added ceruloplasmin, which in turn resulted in loss of ferroxidase-activity and acquisition of integrin-binding properties. Conclusions We show that in pathological oxidative environment of PD-CSF the endogenous ceruloplasmin, in addition to loss-of-ferroxidase function, is modified as to gain integrin-binding function. These findings, beside the known role of ceruloplasmin in iron homeostasis, might have important pathogenic implications due to the potential triggering of signals mediated by the unusual integrin binding in cells of central nervous system. Furthermore, there are pharmacological implications because, based on data obtained in murine models, the administration of ceruloplasmin has been proposed as potential therapeutic treatment of PD, however, the observed CSF's pro-oxidant properties raise the possibility that in human the ceruloplasmin-based therapeutic approach might not be efficacious. Electronic supplementary material The online version of this article (doi:10.1186/s13024-015-0055-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Marco Barbariga
- Proteome Biochemistry, IRCCS-San Raffaele Scientific Institute, via Olgettina 60, 20132, Milan, Italy. .,Present address: Translational Neurology group, Wallenberg Neuroscience Center, BMC A10, 221 84, Lund, Sweden.
| | - Flavio Curnis
- Tumor Biology and Vascular Targeting, IRCCS-San Raffaele Scientific Institute, via Olgettina 60, 20132, Milan, Italy.
| | - Annapaola Andolfo
- ProMiFa-Protein Microsequencing Facility, IRCCS-San Raffaele Scientific Institute, via Olgettina 60, 20132, Milan, Italy.
| | - Alan Zanardi
- Proteome Biochemistry, IRCCS-San Raffaele Scientific Institute, via Olgettina 60, 20132, Milan, Italy. .,Vita-Salute San Raffaele University, via Olgettina 60, 20132, Milan, Italy.
| | - Massimo Lazzaro
- Proteome Biochemistry, IRCCS-San Raffaele Scientific Institute, via Olgettina 60, 20132, Milan, Italy.
| | - Antonio Conti
- Proteome Biochemistry, IRCCS-San Raffaele Scientific Institute, via Olgettina 60, 20132, Milan, Italy.
| | - Giuseppe Magnani
- INSPE-Institute of Experimental Neurology, IRCCS-San Raffaele Scientific Institute, via Olgettina 60, 20132, Milan, Italy.
| | - Maria Antonietta Volontè
- INSPE-Institute of Experimental Neurology, IRCCS-San Raffaele Scientific Institute, via Olgettina 60, 20132, Milan, Italy.
| | - Laura Ferrari
- INSPE-Institute of Experimental Neurology, IRCCS-San Raffaele Scientific Institute, via Olgettina 60, 20132, Milan, Italy.
| | - Giancarlo Comi
- INSPE-Institute of Experimental Neurology, IRCCS-San Raffaele Scientific Institute, via Olgettina 60, 20132, Milan, Italy. .,Vita-Salute San Raffaele University, via Olgettina 60, 20132, Milan, Italy.
| | - Angelo Corti
- Tumor Biology and Vascular Targeting, IRCCS-San Raffaele Scientific Institute, via Olgettina 60, 20132, Milan, Italy.
| | - Massimo Alessio
- Proteome Biochemistry, IRCCS-San Raffaele Scientific Institute, via Olgettina 60, 20132, Milan, Italy.
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Aspli KT, Flaten TP, Roos PM, Holmøy T, Skogholt JH, Aaseth J. Iron and copper in progressive demyelination--New lessons from Skogholt's disease. J Trace Elem Med Biol 2015; 31:183-7. [PMID: 25563774 DOI: 10.1016/j.jtemb.2014.12.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Revised: 11/03/2014] [Accepted: 12/04/2014] [Indexed: 11/30/2022]
Abstract
The pathophysiological mechanisms of progressive demyelinating disorders including multiple sclerosis are incompletely understood. Increasing evidence indicates a role for trace metals in the progression of several neurodegenerative disorders. The study of Skogholt disease, a recently discovered demyelinating disease affecting both the central and peripheral nervous system, might shed some light on the mechanisms underlying demyelination. Cerebrospinal fluid iron and copper concentrations are about four times higher in Skogholt patients than in controls. The transit into cerebrospinal fluid of these elements from blood probably occurs in protein bound form. We hypothesize that exchangeable fractions of iron and copper are further transferred from cerebrospinal fluid into myelin, thereby contributing to the pathogenesis of demyelination. Free or weakly bound iron and copper ions may exert their toxic action on myelin by catalyzing production of oxygen radicals. Similarities to demyelinating processes in multiple sclerosis and other myelinopathies are discussed.
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Affiliation(s)
- Klaus Thanke Aspli
- Department of Neurology, Innlandet Hospital Trust, Lillehammer Hospital Division, Lillehammer, Norway
| | - Trond Peder Flaten
- Department of Chemistry, Norwegian University of Science and Technology, Trondheim, Norway
| | - Per M Roos
- Department of Neurology, Division of Clinical Neurophysiology, Oslo University Hospital, Oslo, Norway; Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
| | - Trygve Holmøy
- Department of Neurology, Akershus University Hospital, Norway; Institute of Clinical Medicine, University of Oslo, Norway
| | - Jon H Skogholt
- Innlandet Hospital Trust, Kongsvinger Hospital Division, Kongsvinger, Norway
| | - Jan Aaseth
- Innlandet Hospital Trust, Kongsvinger Hospital Division, Kongsvinger, Norway
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