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Rekik A, Santoro C, Poplawska-Domaszewicz K, Qamar MA, Batzu L, Landolfo S, Rota S, Falup-Pecurariu C, Murasan I, Chaudhuri KR. Parkinson's disease and vitamins: a focus on vitamin B12. J Neural Transm (Vienna) 2024:10.1007/s00702-024-02769-z. [PMID: 38602571 DOI: 10.1007/s00702-024-02769-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2023] [Accepted: 03/19/2024] [Indexed: 04/12/2024]
Abstract
Parkinson's disease (PD) has been linked to a vast array of vitamins among which vitamin B12 (Vit B12) is the most relevant and often investigated specially in the context of intrajejunal levodopa infusion therapy. Vit B12 deficiency, itself, has been reported to cause acute parkinsonism. Nevertheless, concrete mechanisms through which B12 deficiency interacts with PD in terms of pathophysiology, clinical manifestation and progression remains unclear. Recent studies have suggested that Vit B12 deficiency along with the induced hyperhomocysteinemia are correlated with specific PD phenotypes characterized with early postural instability and falls and more rapid motor progression, cognitive impairment, visual hallucinations and autonomic dysfunction. Specific clinical features such as polyneuropathy have also been linked to Vit B12 deficiency specifically in context of intrajejunal levodopa therapy. In this review, we explore the link between Vit B12 and PD in terms of physiopathology regarding dysfunctional neural pathways, neuropathological processes as well as reviewing the major clinical traits of Vit B12 deficiency in PD and Levodopa-mediated neuropathy. Finally, we provide an overview of the therapeutic effect of Vit B12 supplementation in PD and posit a practical guideline for Vit B12 testing and supplementation.
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Affiliation(s)
- Arwa Rekik
- Department of Neurology of Sahloul Hospital, Sousse, Tunisia.
- Faculty of Medicine of Sousse, Sousse, Tunisia.
| | - Carlo Santoro
- Department of Basic Medical Sciences, Neurosciences and Sense Organs, University of Bari "Aldo Moro", Piazza Giulio Cesare 11, 70100, Bari, Italy
| | - Karolina Poplawska-Domaszewicz
- Department of Neurology, Poznan University of Medical Sciences, 60-355, Poznan, Poland
- Parkinson's Foundation Center of Excellence, King's College Hospital, Denmark Hill, London, UK
| | - Mubasher Ahmad Qamar
- Parkinson's Foundation Center of Excellence, King's College Hospital, Denmark Hill, London, UK
- Division of Neuroscience, Department of Basic & Clinical Neuroscience, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, SE5 9RT, UK
| | - Lucia Batzu
- Parkinson's Foundation Center of Excellence, King's College Hospital, Denmark Hill, London, UK
- Division of Neuroscience, Department of Basic & Clinical Neuroscience, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, SE5 9RT, UK
| | - Salvatore Landolfo
- Department of Basic Medical Sciences, Neurosciences and Sense Organs, University of Bari "Aldo Moro", Piazza Giulio Cesare 11, 70100, Bari, Italy
| | - Silvia Rota
- Parkinson's Foundation Center of Excellence, King's College Hospital, Denmark Hill, London, UK
- Division of Neuroscience, Department of Basic & Clinical Neuroscience, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, SE5 9RT, UK
| | - Cristian Falup-Pecurariu
- Faculty of Medicine, Transilvania University of Brasov, 500036, Brasov, Romania
- Department of Neurology, County Clinic Hospital, Brasov, Romania
| | - Iulia Murasan
- Faculty of Medicine, Transilvania University of Brasov, 500036, Brasov, Romania
| | - Kallol Ray Chaudhuri
- Parkinson's Foundation Center of Excellence, King's College Hospital, Denmark Hill, London, UK
- Division of Neuroscience, Department of Basic & Clinical Neuroscience, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, SE5 9RT, UK
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2
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Kola A, Nencioni F, Valensin D. Bioinorganic Chemistry of Micronutrients Related to Alzheimer's and Parkinson's Diseases. Molecules 2023; 28:5467. [PMID: 37513339 PMCID: PMC10385134 DOI: 10.3390/molecules28145467] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 07/10/2023] [Accepted: 07/13/2023] [Indexed: 07/30/2023] Open
Abstract
Metal ions are fundamental to guarantee the regular physiological activity of the human organism. Similarly, vitamins play a key role in many biological functions of the metabolism, among which are coenzymes, redox mediators, and antioxidants. Due to their importance in the human organism, both metals and vitamins have been extensively studied for their involvement in neurodegenerative diseases (NDs). However, the full potential of the interaction between vitamins and metal ions has not been fully explored by researchers yet, and further investigation on this topic is needed. The aim of this review is to provide an overview of the scientific literature on the implications of vitamins and selected metal ions in two of the most common neurodegenerative diseases, Alzheimer's and Parkinson's disease. Furthermore, vitamin-metal ion interactions are discussed in detail focusing on their bioinorganic chemistry, with the perspective of arousing more interest in this fascinating bioinorganic field.
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Affiliation(s)
| | | | - Daniela Valensin
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy; (A.K.); (F.N.)
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Dai X, Zhao D, Matsumura K, Rajan R. Polyampholytes and Their Hydrophobic Derivatives as Excipients for Suppressing Protein Aggregation. ACS APPLIED BIO MATERIALS 2023. [PMID: 37314858 DOI: 10.1021/acsabm.3c00213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Protein aggregation, which occurs under various physiological conditions, can affect cell function and is a major issue in the field of protein therapeutics. In this study, we developed a polyampholyte composed of ε-poly-l-lysine and succinic anhydride and evaluated its protein protection efficacy. This polymer was able to protect different proteins from thermal stress and its performance significantly exceeded that of previously reported zwitterionic polymers. In addition, we synthesized derivatives with varying degrees of hydrophobicity, which exhibited remarkably enhanced efficiency; thus, the polymer concentration required for protein protection was very low. By facilitating the retention of protein enzymatic activity and stabilizing the higher-order structure, these polymers enabled the protein to maintain its native state, even after being subjected to extreme thermal stress. Thus, such polyampholytes are extremely effective in protecting proteins from extreme stress and may find applications in protein biopharmaceuticals and drug delivery systems.
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Affiliation(s)
- Xianda Dai
- School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Dandan Zhao
- School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Kazuaki Matsumura
- School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Robin Rajan
- School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
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Brembati V, Faustini G, Longhena F, Bellucci A. Alpha synuclein post translational modifications: potential targets for Parkinson's disease therapy? Front Mol Neurosci 2023; 16:1197853. [PMID: 37305556 PMCID: PMC10248004 DOI: 10.3389/fnmol.2023.1197853] [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: 03/31/2023] [Accepted: 04/27/2023] [Indexed: 06/13/2023] Open
Abstract
Parkinson's disease (PD) is the most common neurodegenerative disorder with motor symptoms. The neuropathological alterations characterizing the brain of patients with PD include the loss of dopaminergic neurons of the nigrostriatal system and the presence of Lewy bodies (LB), intraneuronal inclusions that are mainly composed of alpha-synuclein (α-Syn) fibrils. The accumulation of α-Syn in insoluble aggregates is a main neuropathological feature in PD and in other neurodegenerative diseases, including LB dementia (LBD) and multiple system atrophy (MSA), which are therefore defined as synucleinopathies. Compelling evidence supports that α-Syn post translational modifications (PTMs) such as phosphorylation, nitration, acetylation, O-GlcNAcylation, glycation, SUMOylation, ubiquitination and C-terminal cleavage, play important roles in the modulation α-Syn aggregation, solubility, turnover and membrane binding. In particular, PTMs can impact on α-Syn conformational state, thus supporting that their modulation can in turn affect α-Syn aggregation and its ability to seed further soluble α-Syn fibrillation. This review focuses on the importance of α-Syn PTMs in PD pathophysiology but also aims at highlighting their general relevance as possible biomarkers and, more importantly, as innovative therapeutic targets for synucleinopathies. In addition, we call attention to the multiple challenges that we still need to face to enable the development of novel therapeutic approaches modulating α-Syn PTMs.
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Affiliation(s)
| | | | | | - Arianna Bellucci
- Division of Pharmacology, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
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5
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Zhou L, Ma Z, Gao X. Retinoic Acid Prevents α-Synuclein Preformed Fibrils-Induced Toxicity via Inhibiting STAT1-PARP1 Signaling. Mol Neurobiol 2023:10.1007/s12035-023-03376-x. [PMID: 37171576 DOI: 10.1007/s12035-023-03376-x] [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: 12/09/2022] [Accepted: 04/29/2023] [Indexed: 05/13/2023]
Abstract
Parkinson's disease (PD), the second-most prevalent neurodegenerative disorder, is characterized by the aberrant deposition of α-synuclein (α-Syn) aggregation in neurons. Recent reports have shown that retinoic acid (RA) ameliorates motor deficits. However, the underlying molecular mechanisms remain unclear. In this article, we investigated the effects of RA on cellular and animal models of PD. We found that RA is beneficial for neuronal survival in PD-associated models. In α-Syn preformed fibrils-treated mice, RA administration relieved the formation of intracellular inclusions, dopaminergic neuronal loss, and behavioral deficits. α-Syn preformed fibrils-treated SH-SY5Y cells manifested decreased cell viability, apoptosis, α-Syn aggregation, and autophagy defects. All these negative phenomena were alleviated by RA. More importantly, RA could inhibit the neurotoxicity via inhibiting α-Syn preformed fibrils-induced STAT1-PARP1 signaling, which could also be antagonized by IFN-γ. In conclusion, RA could hinder α-Syn preformed fibrils-induced toxicity by inhibiting STAT1-PARP1 signaling. Thus, we present new insight into RA in PD management.
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Affiliation(s)
- Lingyan Zhou
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Zengxia Ma
- Department of Pulmonary and Critical Care Medicine, Shandong Public Health Clinical Center, Jinan, 250013, China.
| | - Xiang Gao
- Central Laboratory, Scientific Research Department, Renmin Hospital of Wuhan University, Wuhan, 430060, China.
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Varesi A, Campagnoli LIM, Carrara A, Pola I, Floris E, Ricevuti G, Chirumbolo S, Pascale A. Non-Enzymatic Antioxidants against Alzheimer's Disease: Prevention, Diagnosis and Therapy. Antioxidants (Basel) 2023; 12:180. [PMID: 36671042 PMCID: PMC9855271 DOI: 10.3390/antiox12010180] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/06/2023] [Accepted: 01/08/2023] [Indexed: 01/13/2023] Open
Abstract
Alzheimer's disease (AD) is a neurodegenerative disorder characterized by progressive memory loss and cognitive decline. Although substantial research has been conducted to elucidate the complex pathophysiology of AD, the therapeutic approach still has limited efficacy in clinical practice. Oxidative stress (OS) has been established as an early driver of several age-related diseases, including neurodegeneration. In AD, increased levels of reactive oxygen species mediate neuronal lipid, protein, and nucleic acid peroxidation, mitochondrial dysfunction, synaptic damage, and inflammation. Thus, the identification of novel antioxidant molecules capable of detecting, preventing, and counteracting AD onset and progression is of the utmost importance. However, although several studies have been published, comprehensive and up-to-date overviews of the principal anti-AD agents harboring antioxidant properties remain scarce. In this narrative review, we summarize the role of vitamins, minerals, flavonoids, non-flavonoids, mitochondria-targeting molecules, organosulfur compounds, and carotenoids as non-enzymatic antioxidants with AD diagnostic, preventative, and therapeutic potential, thereby offering insights into the relationship between OS and neurodegeneration.
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Affiliation(s)
- Angelica Varesi
- Department of Biology and Biotechnology, University of Pavia, 27100 Pavia, Italy
| | | | - Adelaide Carrara
- Department of Internal Medicine and Therapeutics, University of Pavia, 27100 Pavia, Italy
| | - Ilaria Pola
- Department of Drug Sciences, University of Pavia, 27100 Pavia, Italy
| | - Elena Floris
- Department of Internal Medicine and Therapeutics, University of Pavia, 27100 Pavia, Italy
| | - Giovanni Ricevuti
- Department of Drug Sciences, University of Pavia, 27100 Pavia, Italy
| | - Salvatore Chirumbolo
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37129 Verona, Italy
| | - Alessia Pascale
- Department of Drug Sciences, Section of Pharmacology, University of Pavia, 27100 Pavia, Italy
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7
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Maurya SK, Gupta S, Bakshi A, Kaur H, Jain A, Senapati S, Baghel MS. Targeting mitochondria in the regulation of neurodegenerative diseases: A comprehensive review. J Neurosci Res 2022; 100:1845-1861. [PMID: 35856508 DOI: 10.1002/jnr.25110] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 06/21/2022] [Accepted: 07/09/2022] [Indexed: 11/09/2022]
Abstract
Mitochondria are one of the essential cellular organelles. Apart from being considered as the powerhouse of the cell, mitochondria have been widely known to regulate redox reaction, inflammation, cell survival, cell death, metabolism, etc., and are implicated in the progression of numerous disease conditions including neurodegenerative diseases. Since brain is an energy-demanding organ, mitochondria and their functions are important for maintaining normal brain homeostasis. Alterations in mitochondrial gene expression, mutations, and epigenetic modification contribute to inflammation and neurodegeneration. Dysregulation of reactive oxygen species production by mitochondria and aggregation of proteins in neurons leads to alteration in mitochondria functions which further causes neuronal death and progression of neurodegeneration. Pharmacological studies have prioritized mitochondria as a possible drug target in the regulation of neurodegenerative diseases. Therefore, the present review article has been intended to provide a comprehensive understanding of mitochondrial role in the development and progression of neurodegenerative diseases mainly Alzheimer's, Parkinson's, multiple sclerosis, and amyotrophic lateral sclerosis followed by possible intervention and future treatment strategies to combat mitochondrial-mediated neurodegeneration.
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Affiliation(s)
| | - Suchi Gupta
- Stem Cell Facility, All India Institute of Medical Sciences, Delhi, India
| | - Amrita Bakshi
- Department of Zoology, University of Delhi, Delhi, India
| | - Harpreet Kaur
- Department of Zoology, University of Delhi, Delhi, India.,Division of Infectious Disease, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Arushi Jain
- Immunogenomics Laboratory, Department of Human Genetics & Molecular Medicine, Central University of Punjab, Bathinda, India
| | - Sabyasachi Senapati
- Immunogenomics Laboratory, Department of Human Genetics & Molecular Medicine, Central University of Punjab, Bathinda, India
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8
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Talebi S, Ghoreishy SM, Jayedi A, Travica N, Mohammadi H. Dietary Antioxidants and Risk of Parkinson's Disease: A Systematic Review and Dose-Response Meta-analysis of Observational Studies. Adv Nutr 2022; 13:1493-1504. [PMID: 35030236 PMCID: PMC9526846 DOI: 10.1093/advances/nmac001] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 09/09/2021] [Accepted: 01/10/2022] [Indexed: 01/28/2023] Open
Abstract
The aim of the current review was to explore the association between various dietary antioxidants and the risk of developing Parkinson's disease (PD). PubMed, Scopus, Web of Science, and Google Scholar were searched up to March 2021. Prospective, observational cohort studies, nested case-control, and case-control designs that investigated the association between antioxidants and PD risk were included. A random-effects model was used to pool the RRs. The certainty of the evidence was rated using the GRADE (Grading of Recommendations Assessment, Development, and Evaluations) scoring system. In addition, a dose-response relation was examined between antioxidant intake and PD risk. Six prospective cohort studies and 2 nested case-control (total n = 448,737 with 4654 cases), as well as 6 case-control (1948 controls, 1273 cases) studies were eligible. The pooled RR was significantly lower for the highest compared with the lowest intake categories of vitamin E (n = 7; 0.84; 95% CI: 0.71, 0.99) and anthocyanins (n = 2; 0.76; 95% CI: 0.61, 0.96) in cohort studies. Conversely, a significantly higher risk of PD was observed for higher lutein intake (n = 3; 1.86; 95% CI: 1.20, 2.88) among case-control studies. Dose-response meta-analyses indicated a significant association between a 50-mg/d increase in vitamin C (n = 6; RR: 0.94; 95% CI: 0.88, 0.99), a 5-mg/d increment in vitamin E (n = 7; RR: 0.84; 95% CI: 0.70, 0.99), a 2-mg/d increment in β-carotene (n = 6; RR: 0.94, 95% CI: 0.89, 0.99), and a 1-mg/d increment in zinc (n = 1; OR: 0.65; 95% CI: 0.49, 0.86) and a reduced risk of PD. Overall, higher intake of antioxidant-rich foods may be associated with a lower risk of PD. Future well-designed prospective studies are needed to validate the present findings. The protocol was registered in the International Prospective Register of Systematic Reviews (PROSPERO) database (https://www.crd.york.ac.uk/PROSPERO, CRD42021242511).
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Affiliation(s)
- Sepide Talebi
- Students’ Scientific Research Center (SSRC), Tehran University of Medical Sciences, Tehran, Iran,Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed Mojtaba Ghoreishy
- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Ahmad Jayedi
- Social Determinant of Health Research Center, Semnan University of Medical Sciences, Semnan, Iran
| | - Nikolaj Travica
- Deakin University, IMPACT–the Institute for Mental and Physical Health and Clinical Translation, Food & Mood Centre, School of Medicine, Barwon Health, Geelong, Australia
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Saffari B, Amininasab M. Crocin Inhibits the Fibrillation of Human α-synuclein and Disassembles Mature Fibrils: Experimental Findings and Mechanistic Insights from Molecular Dynamics Simulation. ACS Chem Neurosci 2021; 12:4037-4057. [PMID: 34636232 DOI: 10.1021/acschemneuro.1c00379] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
The aggregation of human alpha-synuclein (hαS) is pivotally implicated in the development of most types of synucleinopathies. Molecules that can inhibit or reverse the aggregation process of amyloidogenic proteins have potential therapeutic value. The anti-aggregating activity of multiple carotenoid compounds has been reported over the past decades against a growing list of amyloidogenic polypeptides. Here, we aimed to determine whether crocin, the main carotenoid glycoside component of saffron, would inhibit hαS aggregation or could disassemble its preformed fibrils. By employing a series of biochemical and biophysical techniques, crocin was exhibited to inhibit hαS fibrillation in a dose-dependent fashion by stabilizing very early aggregation intermediates in off-pathway non-toxic conformations with little β-sheet content. We also observed that crocin at high concentrations could efficiently destabilize mature fibrils and disassemble them into seeding-incompetent intermediates by altering their β-sheet conformation and reshaping their structure. Our atomistic molecular dynamics (MD) simulations demonstrated that crocin molecules bind to both the non amyloid-β component (NAC) region and C-terminal domain of hαS. These interactions could thereby stabilize the autoinhibitory conformation of the protein and prevent it from adopting aggregation-prone structures. MD simulations further suggested that ligand molecules prefer to reside longitudinally along the fibril axis onto the edges of the inter-protofilament interface where they establish hydrogen and hydrophobic bonds with steric zipper stabilizing residues. These interactions turned out to destabilize hαS fibrils by altering the interstrand twist angles, increasing the rigidity of the fibril core, and elevating its radius of gyration. Our findings suggest the potential pharmaceutical implication of crocin in synucleinopathies.
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Affiliation(s)
- Babak Saffari
- Department of Cell and Molecular Biology, School of Biology, College of Science, University of Tehran, Tehran 14155-6455, Iran
| | - Mehriar Amininasab
- Department of Cell and Molecular Biology, School of Biology, College of Science, University of Tehran, Tehran 14155-6455, Iran
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Singh A, Maharana SK, Shukla R, Kesharwani P. Nanotherapeutics approaches for targeting alpha synuclien protein in the management of Parkinson disease. Process Biochem 2021. [DOI: 10.1016/j.procbio.2021.08.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Marie A, Darricau M, Touyarot K, Parr-Brownlie LC, Bosch-Bouju C. Role and Mechanism of Vitamin A Metabolism in the Pathophysiology of Parkinson's Disease. JOURNAL OF PARKINSON'S DISEASE 2021; 11:949-970. [PMID: 34120916 PMCID: PMC8461657 DOI: 10.3233/jpd-212671] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 05/12/2021] [Indexed: 01/09/2023]
Abstract
Evidence shows that altered retinoic acid signaling may contribute to the pathogenesis and pathophysiology of Parkinson's disease (PD). Retinoic acid is the bioactive derivative of the lipophilic vitamin A. Vitamin A is involved in several important homeostatic processes, such as cell differentiation, antioxidant activity, inflammation and neuronal plasticity. The role of vitamin A and its derivatives in the pathogenesis and pathophysiology of neurodegenerative diseases, and their potential as therapeutics, has drawn attention for more than 10 years. However, the literature sits in disparate fields. Vitamin A could act at the crossroad of multiple environmental and genetic factors of PD. The purpose of this review is to outline what is known about the role of vitamin A metabolism in the pathogenesis and pathophysiology of PD. We examine key biological systems and mechanisms that are under the control of vitamin A and its derivatives, which are (or could be) exploited for therapeutic potential in PD: the survival of dopaminergic neurons, oxidative stress, neuroinflammation, circadian rhythms, homeostasis of the enteric nervous system, and hormonal systems. We focus on the pivotal role of ALDH1A1, an enzyme expressed by dopaminergic neurons for the detoxification of these neurons, which is under the control of retinoic acid. By providing an integrated summary, this review will guide future studies on the potential role of vitamin A in the management of symptoms, health and wellbeing for PD patients.
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Affiliation(s)
- Anaıs Marie
- University Bordeaux, INRAE, Bordeaux INP, NutriNeuro, UMR 1286, Bordeaux, France
| | - Morgane Darricau
- University Bordeaux, INRAE, Bordeaux INP, NutriNeuro, UMR 1286, Bordeaux, France
- University Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, Bordeaux, France
| | - Katia Touyarot
- University Bordeaux, INRAE, Bordeaux INP, NutriNeuro, UMR 1286, Bordeaux, France
| | - Louise C. Parr-Brownlie
- Department of Anatomy, Brain Health Research Centre, University of Otago, Dunedin, New Zealand
- Brain Research New Zealand (Center of Research Excellence), Dunedin, New Zealand
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12
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Oxidative Stress in Parkinson's Disease: Potential Benefits of Antioxidant Supplementation. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:2360872. [PMID: 33101584 PMCID: PMC7576349 DOI: 10.1155/2020/2360872] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 09/06/2020] [Accepted: 09/21/2020] [Indexed: 12/11/2022]
Abstract
Parkinson's disease (PD) occurs in approximately 1% of the population over 65 years of age and has become increasingly more common with advances in age. The number of individuals older than 60 years has been increasing in modern societies, as well as life expectancy in developing countries; therefore, PD may pose an impact on the economic, social, and health structures of these countries. Oxidative stress is highlighted as an important factor in the genesis of PD, involving several enzymes and signaling molecules in the underlying mechanisms of the disease. This review presents updated data on the involvement of oxidative stress in the disease, as well as the use of antioxidant supplements in its therapy.
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13
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Lama A, Pirozzi C, Avagliano C, Annunziata C, Mollica MP, Calignano A, Meli R, Mattace Raso G. Nutraceuticals: An integrative approach to starve Parkinson's disease. Brain Behav Immun Health 2020; 2:100037. [PMID: 34589828 PMCID: PMC8474522 DOI: 10.1016/j.bbih.2020.100037] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 01/08/2020] [Accepted: 01/12/2020] [Indexed: 01/15/2023] Open
Abstract
The therapeutic approach of multifactorial complex diseases is always a challenge; Parkinson's disease (PD) is a heterogeneous neurodegenerative disorder triggered by genetic and environmental factors, contributing to its etiology. Indeed, several pathogenic mechanisms lead to selective dopaminergic neuronal injury, including oxidative stress, mitochondrial dysfunction, alteration of endoplasmic reticulum-to-Golgi protein trafficking, excitotoxicity, and neuroinflammation. Current treatment approaches include mainly dopamine replacement therapy or optimizing dopaminergic transmission; however, these strategies that do not counteract the pathogenic mechanisms underlying PD symptoms and often are less effective over time. Recently, there has been growing interest in the therapeutic use of nutraceuticals, that could represent an integrative approach to the pharmacological standard therapy and specifically affect one or more pathogenic pathways. The intake of nutraceuticals or nutritional modifications are generally safe and can be combined with current common drug therapy in most cases to improve the patient's quality of life and/or mitigate PD symptoms. The current review focuses on several key nutritional compounds and dietary modifications that are effective on several pathogenic pathways involved in PD onset and progression, and further highlights the rationale behind their potential use for the prevention and treatment of PD.
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Affiliation(s)
- Adriano Lama
- Department of Pharmacy, University of Naples Federico II, Via Domenico Montesano 49, 80131, Naples, Italy
- Task Force on Microbiome Studies, University of Naples Federico II, Naples, Italy
| | - Claudio Pirozzi
- Department of Pharmacy, University of Naples Federico II, Via Domenico Montesano 49, 80131, Naples, Italy
| | - Carmen Avagliano
- Department of Pharmacy, University of Naples Federico II, Via Domenico Montesano 49, 80131, Naples, Italy
| | - Chiara Annunziata
- Department of Pharmacy, University of Naples Federico II, Via Domenico Montesano 49, 80131, Naples, Italy
| | - Maria Pina Mollica
- Task Force on Microbiome Studies, University of Naples Federico II, Naples, Italy
- Department of Biology, University of Naples Federico II, Cupa Nuova Cinthia 21-Edificio 7, 80126, Naples, Italy
| | - Antonio Calignano
- Department of Pharmacy, University of Naples Federico II, Via Domenico Montesano 49, 80131, Naples, Italy
- Task Force on Microbiome Studies, University of Naples Federico II, Naples, Italy
| | - Rosaria Meli
- Department of Pharmacy, University of Naples Federico II, Via Domenico Montesano 49, 80131, Naples, Italy
| | - Giuseppina Mattace Raso
- Department of Pharmacy, University of Naples Federico II, Via Domenico Montesano 49, 80131, Naples, Italy
- Task Force on Microbiome Studies, University of Naples Federico II, Naples, Italy
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Naskhi A, Jabbari S, Othman GQ, Aziz FM, Salihi A, Sharifi M, Sari S, Akhtari K, Abdulqadir SZ, Alasady AA, Abou-Zied OK, Hasan A, Falahati M. Vitamin K1 As A Potential Molecule For Reducing Single-Walled Carbon Nanotubes-Stimulated α-Synuclein Structural Changes And Cytotoxicity. Int J Nanomedicine 2019; 14:8433-8444. [PMID: 31749617 PMCID: PMC6818677 DOI: 10.2147/ijn.s223182] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Accepted: 10/09/2019] [Indexed: 11/23/2022] Open
Abstract
Aims Different kinds of vitamins can be used as promising candidates to mitigate the structural changes of proteins and associated cytotoxicity stimulated by NPs. Therefore, the structural changes of α-syn molecules and their associated cytotoxicity in the presence of SWCNTs either alone or co-incubated with vitamin K1 were studied by spectroscopic, bioinformatical, and cellular assays. Methods Intrinsic and ThT fluorescence, CD, and Congo red absorption spectroscopic approaches as well as TEM investigation, molecular docking, and molecular dynamics were used to explore the protective effect of vitamin K1 on the structural changes of α-syn induced by SWCNTs. The cytotoxicity of α-syn/SWCNTs co-incubated with vitamin K1 against SH-SY5Y cells was also carried out by MTT, LDH, and caspase-3 assays. Results Fluorescence spectroscopy showed that vitamin K1 has a significant effect in reducing SWCNT-induced fluorescence quenching and aggregation of α- syn. CD, Congo red adsorption, and TEM investigations determined that co-incubation of α- syn with vitamin K1 inhibited the propensity of α-syn into the structural changes and amorphous aggregation in the presence of SWCNT. Docking studies determined the occupation of preferred docked site of SWCNT by vitamin K1 on α- syn conformation. A molecular dynamics study also showed that vitamin K1 reduced the structural changes of α- syn induced by SWCNT. Cellular data exhibited that the cytotoxicity of α- syn co-incubated with vitamin K1 in the presence of SWCNTs is less than the outcomes obtained in the absence of the vitamin K1. Conclusion It may be concluded that vitamin K1 decreases the propensity of α- syn aggregation in the presence of SWCNTs and induction of cytotoxicity.
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Affiliation(s)
- Amitis Naskhi
- Department of Cellular and Molecular Biology, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Sanaz Jabbari
- Department of Cellular and Molecular Biology, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Goran Qader Othman
- Department of Medical Laboratory, Health Technical College, Erbil Polytechnic University, Erbil, Iraq
| | - Falah Mohammad Aziz
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq
| | - Abbas Salihi
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq.,Department of Medical Analysis, Faculty of Science, Tishk International University, Erbil, Iraq
| | - Majid Sharifi
- Department of Nanotechnology, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Soyar Sari
- Department of Cellular and Molecular Biology, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Keivan Akhtari
- Department of Physics, University of Kurdistan, Sanandaj, Iran
| | - Shang Ziyad Abdulqadir
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq
| | - Asaad Ab Alasady
- Anatomy, Histology, and Embryology Unit, College of Medicine, University of Duhok, Kurdistan Region, Iraq
| | - Osama K Abou-Zied
- Department of Chemistry, Faculty of Science, Sultan Qaboos University, Muscat, Sultanate of Oman
| | - Anwarul Hasan
- Department of Mechanical and Industrial Engineering, College of Engineering, Qatar University, Doha 2713, Qatar.,Biomedical Research Center, Qatar University, Doha 2713, Qatar
| | - Mojtaba Falahati
- Department of Nanotechnology, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
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15
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Ciulla M, Marinelli L, Cacciatore I, Stefano AD. Role of Dietary Supplements in the Management of Parkinson's Disease. Biomolecules 2019; 9:biom9070271. [PMID: 31295842 PMCID: PMC6681233 DOI: 10.3390/biom9070271] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 06/22/2019] [Accepted: 07/09/2019] [Indexed: 12/13/2022] Open
Abstract
The use of food supplements or functional food has significantly increased in the past decades, especially to compensate both the modern lifestyle and the food shortages of the industrialized countries. Despite food supplements are habitually intended to correct nutritional deficiencies or to support specific physiological functions, they are often combined with common drug therapies to improve the patient's health and/or mitigate the symptoms of many chronic diseases such as cardiovascular diseases, cystic fibrosis, cancer, liver and gastrointestinal diseases. In recent years, increased attentions are given to the patient's diet, and the use of food supplements and functional food rich in vitamins and antioxidants plays a very important role in the treatment and prevention of neurodegenerative diseases such as Parkinson's disease (PD). Natural compounds, phytochemicals, vitamins, and minerals can prevent, delay, or alleviate the clinical symptoms of PD in contrast to some of the main physiopathological mechanisms involved in the development of the disease, like oxidative stress, free radical formation, and neuroinflammation. The purpose of this review is to collect scientific evidences which support the use of specific biomolecules and biogenic elements commonly found in food supplements or functional food to improve the clinical framework of patients with PD.
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Affiliation(s)
- Michele Ciulla
- Department of Pharmacy, University "G. d'Annunzio" of Chieti-Pescara, via dei Vestini 31, 66100 Chieti Scalo (CH), Italy
| | - Lisa Marinelli
- Department of Pharmacy, University "G. d'Annunzio" of Chieti-Pescara, via dei Vestini 31, 66100 Chieti Scalo (CH), Italy
| | - Ivana Cacciatore
- Department of Pharmacy, University "G. d'Annunzio" of Chieti-Pescara, via dei Vestini 31, 66100 Chieti Scalo (CH), Italy
| | - Antonio Di Stefano
- Department of Pharmacy, University "G. d'Annunzio" of Chieti-Pescara, via dei Vestini 31, 66100 Chieti Scalo (CH), Italy.
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16
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Oliveri V. Toward the discovery and development of effective modulators of α-synuclein amyloid aggregation. Eur J Med Chem 2019; 167:10-36. [PMID: 30743095 DOI: 10.1016/j.ejmech.2019.01.045] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2018] [Revised: 01/21/2019] [Accepted: 01/21/2019] [Indexed: 12/17/2022]
Abstract
A host of human diseases, including Parkinson's disease and Dementia with Lewy bodies, are suspected to be directly linked to protein aggregation. Amyloid protein aggregates and oligomeric intermediates of α-synuclein are observed in synucleinopathies and considered to be mediators of cellular toxicity. Hence, α-synuclein has seen as one of the leading and most compelling targets and is receiving a great deal of attention from researchers. Nevertheless, there is no neuroprotective approach directed toward Parkinson's disease or other synucleinopathies so far. In this review, we summarize the available data concerning inhibitors of α-synuclein aggregation and their advancing towards clinical use. The compounds are grouped according to their chemical structures, providing respective insights into their mechanism of action, pharmacology, and pharmacokinetics. Overall, shared structure-activity elements are emerging, as well as specific binding modes related to the ability of the modulators to establish hydrophobic and hydrogen bonds interactions with the protein. Some molecules with encouraging in vivo data support the possibility of translation to the clinic.
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Affiliation(s)
- Valentina Oliveri
- Dipartimento di Scienze Chimiche, Università degli Studi di Catania, viale A. Doria 6, 95125, Catania, Italy.
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17
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Tsukakoshi K, Yoshida W, Kobayashi M, Kobayashi N, Kim J, Kaku T, Iguchi T, Nagasawa K, Asano R, Ikebukuro K, Sode K. Esterification of PQQ Enhances Blood-Brain Barrier Permeability and Inhibitory Activity against Amyloidogenic Protein Fibril Formation. ACS Chem Neurosci 2018; 9:2898-2903. [PMID: 30074759 DOI: 10.1021/acschemneuro.8b00355] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Several neurodegenerative diseases have a common pathophysiology where selective damage to neurons results from the accumulation of amyloid oligomer proteins formed via fibrilization. Considering that the formation of amyloid oligomers leads to cytotoxicity, the development of chemical compounds that are able to effectively cross the blood-brain barrier (BBB) and inhibit this conversion to oligomers and/or fibrils is essential for neurodegenerative disease therapy. We previously reported that pyrroloquinoline quinone (PQQ) prevented aggregation and fibrillation of α-synuclein, amyloid β1-42 (Aβ1-42), and mouse prion protein. To develop a novel drug against neurodegenerative diseases based on PQQ, it is necessary to improve the insufficient BBB permeability of PQQ. Here, we show that an esterified compound of PQQ, PQQ-trimethylester (PQQ-TME), has twice the BBB permeability than PQQ in vitro. Moreover, PQQ-TME exhibited greater inhibitory activity against fibrillation of α-synuclein, Aβ1-42, and prion protein. These results indicated that esterification of PQQ could be a useful approach in developing a novel PQQ-based amyloid inhibitor.
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Affiliation(s)
- Kaori Tsukakoshi
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Wataru Yoshida
- School of Bioscience and Biotechnology, Tokyo University of Technology, 1404-1 Katakuramachi, Hachioji, Tokyo 192-0982, Japan
| | - Masaki Kobayashi
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Natsuki Kobayashi
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Jihoon Kim
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Toshisuke Kaku
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Toshitsugu Iguchi
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Kazuo Nagasawa
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Ryutaro Asano
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Kazunori Ikebukuro
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Koji Sode
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei, Tokyo 184-8588, Japan
- Joint Department of Biomedical Engineering, The University of North Carolina at Chapel Hill and North Carolina State University, Chapel Hill, North Carolina 27599, United States
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18
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Mochizuki H, Choong CJ, Masliah E. A refined concept: α-synuclein dysregulation disease. Neurochem Int 2018; 119:84-96. [PMID: 29305061 DOI: 10.1016/j.neuint.2017.12.011] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Revised: 12/21/2017] [Accepted: 12/29/2017] [Indexed: 12/23/2022]
Abstract
α-synuclein (αSyn) still remains a mysterious protein even two decades after SNCA encoding it was identified as the first causative gene of familial Parkinson's disease (PD). Accumulation of αSyn causes α-synucleinopathies including PD, dementia with Lewy bodies (DLB) and multiple system atrophy (MSA). Recent advances in therapeutic approaches offer new antibody-, vaccine-, antisense-oligonucleotide- and small molecule-based options to reduce αSyn protein levels and aggregates in patient's brain. Gathering research information of other neurological disease particularly Alzheimer's disease, recent disappointment of an experimental amyloid plaques busting antibody in clinical trials underscores the difficulty of treating people who show even mild dementia as damage in their brain may already be too extensive. Prodromal intervention to inhibit the accumulation of pathogenic protein may advantageously provide a better outcome. However, treatment prior to onset is not ethically justified as standard practice at present. In this review, we initiate a refined concept to define early pathogenic state of αSyn accumulation before occurrence of brain damage as a disease criterion for αSyn dysregulation disease.
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Affiliation(s)
- Hideki Mochizuki
- Department of Neurology, Graduate School of Medicine, Osaka University, Yamadaoka 2-2, Suita, Osaka, 565-0871, Japan.
| | - Chi-Jing Choong
- Department of Neurology, Graduate School of Medicine, Osaka University, Yamadaoka 2-2, Suita, Osaka, 565-0871, Japan
| | - Eliezer Masliah
- Department of Neurology, Graduate School of Medicine, Osaka University, Yamadaoka 2-2, Suita, Osaka, 565-0871, Japan
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19
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Effects of saffron and its constituents, crocin-1, crocin-2, and crocetin on α-synuclein fibrils. J Nat Med 2017; 72:274-279. [DOI: 10.1007/s11418-017-1150-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Accepted: 10/31/2017] [Indexed: 10/18/2022]
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20
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Protein aggregation: From background to inhibition strategies. Int J Biol Macromol 2017; 103:208-219. [DOI: 10.1016/j.ijbiomac.2017.05.048] [Citation(s) in RCA: 111] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 05/11/2017] [Accepted: 05/12/2017] [Indexed: 01/01/2023]
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21
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Yang F, Wolk A, Håkansson N, Pedersen NL, Wirdefeldt K. Dietary antioxidants and risk of Parkinson's disease in two population-based cohorts. Mov Disord 2017; 32:1631-1636. [PMID: 28881039 PMCID: PMC5698752 DOI: 10.1002/mds.27120] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 06/29/2017] [Accepted: 07/03/2017] [Indexed: 11/29/2022] Open
Abstract
Background: A neuroprotective effect of dietary antioxidants on Parkinson's disease (PD) risk has been suggested, but epidemiological evidence is limited. Objectives: To examine the associations between intake of dietary antioxidant vitamins and total antioxidant capacity and risk of PD. Methods: We prospectively assessed the relationships of dietary antioxidant vitamins C and E, ß‐carotene, and total antioxidant capacity with PD risk in two population‐based cohorts (38,937 women and 45,837 men). Results: During a mean 14.9‐year follow‐up period, 1,329 PD cases were identified. Dietary intake of ß‐carotene was associated with a lower risk of PD (hazard ratio: 0.86; 95% confidence interval: 0.78‐0.95; Ptrend < 0.01 for women and hazard ratio: 0.91; 95% confidence interval: 0.84‐0.99; Ptrend = 0.05 for men). An inverse association between dietary vitamin E and PD risk was found in women (hazard ratio: 0.87; 95% confidence interval: 0.79‐0.96; Ptrend = 0.02). Dietary intake of vitamin C was inversely associated with PD risk in women at borderline significance (hazard ratio: 0.91; 95% confidence interval: 0.83‐1.00; Ptrend = 0.04). There was no association between dietary total antioxidant capacity and PD risk in either women (hazard ratio: 0.93; 95% confidence interval: 0.84‐1.02; Ptrend = 0.35) or men (hazard ratio: 1.00; 95% confidence interval: 0.93‐1.07; Ptrend = 0.97). Conclusion: Intake of dietary vitamin E and ß‐carotene was associated with a lower risk of PD. © 2017 The Authors. Movement Disorders published by Wiley Periodicals, Inc. on behalf of International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Fei Yang
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Alicja Wolk
- Institute of Environmental Medicine, Unit of Nutritional Epidemiology, Karolinska Institutet, Stockholm, Sweden
| | - Niclas Håkansson
- Institute of Environmental Medicine, Unit of Nutritional Epidemiology, Karolinska Institutet, Stockholm, Sweden
| | - Nancy L Pedersen
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.,Department of Psychology, University of Southern California, Los Angeles, California, USA
| | - Karin Wirdefeldt
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.,Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
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22
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Ono K. The Oligomer Hypothesis in α-Synucleinopathy. Neurochem Res 2017; 42:3362-3371. [PMID: 28828740 DOI: 10.1007/s11064-017-2382-x] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Revised: 08/08/2017] [Accepted: 08/09/2017] [Indexed: 12/16/2022]
Abstract
Lewy bodies and Lewy neurites in the brain constitute the main histopathological features of Parkinson's disease (PD) and dementia with Lewy bodies. They comprise amyloid-like fibrils composed of α-synuclein (αS), a small protein (~14 kDa). Because the aggregation of αS in the brain has been implicated as a critical step in the development of these diseases, the research for disease-modifying drugs has focused on modification of the αS aggregation process in the brain. Recent studies using synthetic αS peptides, a cell culture model, transgenic mice models, and human samples such as cerebrospinal fluids and the blood of PD patients have suggested that pre-fibrillar forms of αS (i.e., oligomers) are more critical than fibrillar forms (such as Lewy bodies) in the pathogenesis of α-synucleinopathies. Based on the accumulating evidence that oligomers play a central role in the pathogenesis of PD and other α-synucleinopathies (the "oligomer hypothesis"). This report reviews the recent findings regarding the oligomer hypothesis in the research of α-synucleinopathies.
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Affiliation(s)
- Kenjiro Ono
- Department of Neurology, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, 142-8666, Japan.
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23
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Kitagishi Y, Nakano N, Ogino M, Ichimura M, Minami A, Matsuda S. PINK1 signaling in mitochondrial homeostasis and in aging (Review). Int J Mol Med 2016; 39:3-8. [PMID: 27959386 DOI: 10.3892/ijmm.2016.2827] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Accepted: 12/06/2016] [Indexed: 11/05/2022] Open
Abstract
Mitochondrial dysfunction is involved in the pathology of Parkinson's disease, an age-associated neurodegenerative disorder. Phosphatase and tensin homolog (PTEN)-induced putative kinase protein 1 (PINK1) is responsible for the most common form of recessive Parkinson's disease. PINK1 is a mitochondrial kinase that is involved in mitrochondrial quality control and promotes cell survival. PINK1 has been shown to protect against neuronal cell death induced by oxidative stress. Accordingly, PINK1 deficiency is associated with mitochondrial dysfunction as well as increased oxidative cellular stress and subsequent neuronal cell death. In addition, several mitochondrial chaperone proteins have been shown to be substrates of the PINK1 kinase. In this review, we discuss recent studies concerning the signaling cascades and molecular mechanisms involved in the process of mitophagy, which is implicated in neurodegeneration and in related aging associated with oxidative stress. Particular attention will be given to the molecular mechanisms proposed to explain the effects of natural compounds and/or food ingredients against oxidative stress. Knowledge of the molecular mechanisms involved in this cellular protection could be critical for developing treatments to prevent and control excessive progression of neurodegenerative disorders.
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Affiliation(s)
- Yasuko Kitagishi
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya, Nishimachi, Nara 630-8506, Japan
| | - Noriko Nakano
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya, Nishimachi, Nara 630-8506, Japan
| | - Mako Ogino
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya, Nishimachi, Nara 630-8506, Japan
| | - Mayuko Ichimura
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya, Nishimachi, Nara 630-8506, Japan
| | - Akari Minami
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya, Nishimachi, Nara 630-8506, Japan
| | - Satoru Matsuda
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya, Nishimachi, Nara 630-8506, Japan
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24
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Mokrani A, Krisa S, Cluzet S, Da Costa G, Temsamani H, Renouf E, Mérillon JM, Madani K, Mesnil M, Monvoisin A, Richard T. Phenolic contents and bioactive potential of peach fruit extracts. Food Chem 2015; 202:212-20. [PMID: 26920287 DOI: 10.1016/j.foodchem.2015.12.026] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Revised: 12/06/2015] [Accepted: 12/07/2015] [Indexed: 12/31/2022]
Abstract
Several cultivars of peach fruit (Prunus persica L.) were investigated. Their phenolic composition and concentration were assessed by LC-MS. Concentrations were calculated in mg per g of dry weight extract. Their antioxidant capacity (Folin-Ciocalteu, ORAC, DPPH, ABTS, PFRAP and ICA), inhibitory property against β-amyloid and α-synuclein fibril formation and protective capacity against Aβ-induced toxicity on PC12 cell lines (viability assessed by MTT assay and intracellular ROS production by DCFH-DA assay) were evaluated. Fifteen different phenolic compounds were identified and quantified. In particular, new isorhamnetin derivatives were identified. Phenolic contents were ranged between 19 and 82mg/g. Spring Belle extract had the highest content and Romea the lowest. Except for the ICA assay, a good correlation between phenolic content and the antioxidant capacities of peach fruit extracts was found, indicating that phenolic compounds are major contributors to their antioxidant capacity. Results indicate that the phenolic extract of peach cultivars inhibits Aβ and αS fibril formation and protects PC12 cell lines against Aβ-induced toxicity.
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Affiliation(s)
- Abderrahmane Mokrani
- Laboratoire de Biomathématiques, Biophysique, Biochimie et Scientométrie (L3BS), Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, 06000 Bejaia, Algeria; Université de Poitiers, Laboratoire STIM, ERL7368-CNRS, Equipe IP2C, Pôle Biologie Santé, Bat. B36, 1 rue Georges Bonnet, 86073 Poitiers Cedex 09, France
| | - Stéphanie Krisa
- Université de Bordeaux, ISVV, EA 3675, GESVAB, 33140 Villenave d'Ornon, France
| | - Stéphanie Cluzet
- Université de Bordeaux, ISVV, EA 3675, GESVAB, 33140 Villenave d'Ornon, France
| | - Grégory Da Costa
- Université de Bordeaux, ISVV, EA 3675, GESVAB, 33140 Villenave d'Ornon, France
| | - Hamza Temsamani
- Université de Bordeaux, ISVV, EA 3675, GESVAB, 33140 Villenave d'Ornon, France
| | - Elodie Renouf
- Université de Bordeaux, ISVV, 33140 Villenave d'Ornon, France
| | - Jean-Michel Mérillon
- Université de Bordeaux, ISVV, EA 3675, GESVAB, 33140 Villenave d'Ornon, France; Université de Bordeaux, ISVV, 33140 Villenave d'Ornon, France
| | - Khodir Madani
- Laboratoire de Biomathématiques, Biophysique, Biochimie et Scientométrie (L3BS), Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, 06000 Bejaia, Algeria
| | - Marc Mesnil
- Université de Poitiers, Laboratoire STIM, ERL7368-CNRS, Equipe IP2C, Pôle Biologie Santé, Bat. B36, 1 rue Georges Bonnet, 86073 Poitiers Cedex 09, France
| | - Arnaud Monvoisin
- Université de Poitiers, Laboratoire STIM, ERL7368-CNRS, Equipe IP2C, Pôle Biologie Santé, Bat. B36, 1 rue Georges Bonnet, 86073 Poitiers Cedex 09, France
| | - Tristan Richard
- Université de Bordeaux, ISVV, EA 3675, GESVAB, 33140 Villenave d'Ornon, France.
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25
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Dietary factors in the etiology of Parkinson's disease. BIOMED RESEARCH INTERNATIONAL 2015; 2015:672838. [PMID: 25688361 PMCID: PMC4320877 DOI: 10.1155/2015/672838] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/09/2014] [Revised: 11/07/2014] [Accepted: 11/08/2014] [Indexed: 02/08/2023]
Abstract
Parkinson's disease (PD) is the second most common neurodegenerative disorder. The majority of cases do not arise from purely genetic factors, implicating an important role of environmental factors in disease pathogenesis. Well-established environmental toxins important in PD include pesticides, herbicides, and heavy metals. However, many toxicants linked to PD and used in animal models are rarely encountered. In this context, other factors such as dietary components may represent daily exposures and have gained attention as disease modifiers. Several in vitro, in vivo, and human epidemiological studies have found a variety of dietary factors that modify PD risk. Here, we critically review findings on association between dietary factors, including vitamins, flavonoids, calorie intake, caffeine, alcohol, and metals consumed via food and fatty acids and PD. We have also discussed key data on heterocyclic amines that are produced in high-temperature cooked meat, which is a new emerging field in the assessment of dietary factors in neurological diseases. While more research is clearly needed, significant evidence exists that specific dietary factors can modify PD risk.
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26
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Follmer C. Monoamine oxidase and α-synuclein as targets in Parkinson’s disease therapy. Expert Rev Neurother 2014; 14:703-16. [DOI: 10.1586/14737175.2014.920235] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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27
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Sutachan JJ, Casas Z, Albarracin SL, Stab BR, Samudio I, Gonzalez J, Morales L, Barreto GE. Cellular and molecular mechanisms of antioxidants in Parkinson's disease. Nutr Neurosci 2013; 15:120-6. [DOI: 10.1179/1476830511y.0000000033] [Citation(s) in RCA: 82] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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28
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Yoshida W, Kobayashi N, Sasaki Y, Ikebukuro K, Sode K. Partial peptide of α-synuclein modified with small-molecule inhibitors specifically inhibits amyloid fibrillation of α-synuclein. Int J Mol Sci 2013; 14:2590-600. [PMID: 23358249 PMCID: PMC3588004 DOI: 10.3390/ijms14022590] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2012] [Revised: 12/29/2012] [Accepted: 01/18/2013] [Indexed: 01/12/2023] Open
Abstract
We have previously reported that pyrroloquinoline quinone (PQQ) prevents the amyloid formation of α-synuclein, amyloid β1–42 (Aβ1–42), and mouse prion protein. Moreover, PQQ-modified α-synuclein and a proteolytic fragment of the PQQ-modified α-synuclein are able to inhibit the amyloid formation of α-synuclein. Here, we identified the peptide sequences that play an important role as PQQ-modified specific peptide inhibitors of α-synuclein. We demonstrate that the PQQ-modified α-Syn36–46 peptide, which is a partial sequence of α-synuclein, prevented α-synuclein amyloid fibril formation but did not inhibit Aβ1–42 fibril formation. In addition, the α-synuclein partial peptide modified with other small-molecule inhibitors, Baicalein and epigallocatechin gallate (EGCG), prevented α-synuclein fibril formation. Currently reported quinone amyloid inhibitors do not have selectivity toward protein molecules. Therefore, our achievements provide a novel strategy for the development of targeted specific amyloid formation inhibitors: the combination of quinone compounds with specific peptide sequence from target proteins involved in amyloid formation.
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Affiliation(s)
- Wataru Yoshida
- Department of Biotechnology, Graduate School of Engineering, Tokyo University of Agriculture & Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan.
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da Silva FL, Coelho Cerqueira E, de Freitas MS, Gonçalves DL, Costa LT, Follmer C. Vitamins K interact with N-terminus α-synuclein and modulate the protein fibrillization in vitro. Exploring the interaction between quinones and α-synuclein. Neurochem Int 2012; 62:103-12. [PMID: 23064431 DOI: 10.1016/j.neuint.2012.10.001] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2012] [Revised: 10/01/2012] [Accepted: 10/03/2012] [Indexed: 01/29/2023]
Abstract
In the last decades, a series of compounds, including quinones and polyphenols, has been described as having anti-fibrillogenic action on α-synuclein (α-syn) whose aggregation is associated to the pathogenesis of Parkinson's disease (PD). Most of these molecules act as promiscuous anti-amyloidogenic agents, interacting with the diverse amyloidogenic proteins (mostly unfolded) through non-specific hydrophobic interactions. Herein we investigated the effect of the vitamins K (phylloquinone, menaquinone and menadione), which are 1,4-naphthoquinone (1,4-NQ) derivatives, on α-syn aggregation, comparing them with other anti-fibrillogenic molecules such as quinones, polyphenols and lipophilic vitamins. Vitamins K delayed α-syn fibrillization in substoichiometric concentrations, leading to the formation of short, sheared fibrils and amorphous aggregates, which are less prone to produce leakage of synthetic vesicles. In seeding conditions, menadione and 1,4-NQ significantly inhibited fibrils elongation, which could be explained by their ability to destabilize preformed fibrils of α-syn. Bidimensional NMR experiments indicate that a specific site at the N-terminal α-syn (Gly31/Lys32) is involved in the interaction with vitamins K, which is corroborated by previous studies suggesting that Lys is a key residue in the interaction with quinones. Together, our data suggest that 1,4-NQ, recently showed up by our group as a potential scaffold for designing new monoamine oxidase inhibitors, is also capable to modulate α-syn fibrillization in vitro.
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Affiliation(s)
- Fernanda Luna da Silva
- Department of Physical Chemistry, Institute of Chemistry, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil
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Fragoso YD, Campos NS, Tenrreiro BF, Guillen FJ. Systematic review of the literature on vitamin A and memory. Dement Neuropsychol 2012; 6:219-222. [PMID: 29213801 PMCID: PMC5619333 DOI: 10.1590/s1980-57642012dn06040005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Background Over the last 30 years, a variety of studies reporting the effects of vitamin
A on memory have been published. Objective To perform a rigorous systematic review of the literature on vitamin A and
memory in order to organize evidence-based data on the subject. Methods Four authors carried out the systematic review in accordance with strict
guidelines. The terms "vitamin A" OR "retinol" OR "retinoic acid" AND
"memory" OR "cognition" OR "Alzheimer" were searched in virtually all
medical research databases. Results From 236 studies containing the key words, 44 were selected for this review,
numbering 10 reviews and 34 original articles. Most studies used animal
models for studying vitamin A and cognition. Birds, mice and rats were more
frequently employed whereas human studies accounted for only two reports on
brain tissue from autopsies and one on the role of isotretinoin in cognition
among individuals taking this medication to treat acne. Conclusion Vitamin A may be an important and viable complement in the treatment and
prevention of Alzheimer's disease. Clinical trials are imperative and, at
present, there is no evidence-based data to recommend vitamin A
supplementation for the prevention or treatment of Alzheimer's disease.
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Affiliation(s)
- Yara Dadalti Fragoso
- Head of the Department of Neurology, Universidade Metropolitana de Santos, SP, Brazil
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31
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Abstract
Aggregated a-synuclein is the major component of inclusions in Parkinson's disease and other synucleinopathy brains indicating that a-syn aggregation is associated with the pathogenesis of neurodegenerative disorders. Although the mechanisms underlying a-syn aggregation and toxicity are not fully elucidated, it is clear that a-syn undergoes post-translational modifications and interacts with numerous proteins and other macromolecules, metals, hormones, neurotransmitters, drugs and poisons that can all modulate its aggregation propensity. The current and most recent findings regarding the factors modulating a-syn aggregation process are discussed in detail.
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Carter CJ. The Fox and the Rabbits-Environmental Variables and Population Genetics (1) Replication Problems in Association Studies and the Untapped Power of GWAS (2) Vitamin A Deficiency, Herpes Simplex Reactivation and Other Causes of Alzheimer's Disease. ISRN NEUROLOGY 2011; 2011:394678. [PMID: 22389816 PMCID: PMC3263564 DOI: 10.5402/2011/394678] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/13/2011] [Accepted: 04/20/2011] [Indexed: 01/14/2023]
Abstract
Classical population genetics shows that varying permutations of genes and risk factors permit or disallow the effects of causative agents, depending on circumstance. For example, genes and environment determine whether a fox kills black or white rabbits on snow or black ash covered islands. Risk promoting effects are different on each island, but obscured by meta-analysis or GWAS data from both islands, unless partitioned by different contributory factors. In Alzheimer's disease, the foxes appear to be herpes, borrelia or chlamydial infection, hypercholesterolemia, hyperhomocysteinaemia, diabetes, cerebral hypoperfusion, oestrogen depletion, or vitamin A deficiency, all of which promote beta-amyloid deposition in animal models—without the aid of gene variants. All relate to risk factors and subsets of susceptibility genes, which condition their effects. All are less prevalent in convents, where nuns appear less susceptible to the ravages of ageing. Antagonism of the antimicrobial properties of beta-amyloid by Abeta autoantibodies in the ageing population, likely generated by antibodies raised to beta-amyloid/pathogen protein homologues, may play a role in this scenario. These agents are treatable by diet and drugs, vitamin supplementation, pathogen detection and elimination, and autoantibody removal, although again, the beneficial effects of individual treatments may be tempered by genes and environment.
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Affiliation(s)
- C J Carter
- PolygenicPathways, Flat 4, 20 Upper Maze Hill, St Leonards-on-Sea, East Sussex, TN38 0LG, UK
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Miyake Y, Fukushima W, Tanaka K, Sasaki S, Kiyohara C, Tsuboi Y, Yamada T, Oeda T, Miki T, Kawamura N, Sakae N, Fukuyama H, Hirota Y, Nagai M. Dietary intake of antioxidant vitamins and risk of Parkinson's disease: a case-control study in Japan. Eur J Neurol 2011; 18:106-13. [PMID: 20491891 DOI: 10.1111/j.1468-1331.2010.03088.x] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
BACKGROUND antioxidant vitamins are expected to protect cells from oxidative damage by neutralizing the effects of reactive oxygen species. However, epidemiological evidence regarding the associations between antioxidant vitamin intake and Parkinson's disease (PD) is limited and inconsistent. We investigated the relationship between dietary intake of selected antioxidant vitamins, vegetables and fruit and the risk of PD in Japan using data from a multicenter hospital-based case-control study. METHODS included were 249 patients within 6 years of onset of PD. Controls were 368 inpatients and outpatients without a neurodegenerative disease. Information on dietary factors was collected using a validated self-administered diet history questionnaire. Adjustment was made for sex, age, region of residence, pack-years of smoking, years of education, body mass index, dietary intake of cholesterol, alcohol, total dairy products, and coffee and the dietary glycemic index. RESULTS higher consumption of vitamin E and β-carotene was significantly associated with a reduced risk of PD after adjustment for confounders under study: the adjusted odds ratio in the highest quartile was 0.45 (95% confidence interval [CI]: 0.25-0.79, P for trend = 0.009) for vitamin E and 0.56 (95% CI: 0.33-0.97, P for trend = 0.03) for β-carotene. Stratified by sex, such inverse associations were significant only in women. No material relationships were shown between intake of vitamin C, α-carotene, cryptoxanthin, green and yellow vegetables, other vegetables, or fruit and the risk of PD. CONCLUSIONS higher intake of vitamin E and β-carotene may be associated with a decreased risk of PD.
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Affiliation(s)
- Y Miyake
- Department of Public Health, Faculty of Medicine, Fukuoka University, Fukuoka Department of Public Health, Osaka, Japan.
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Zanotto-Filho A, Schröder R, Moreira JCF. Differential effects of retinol and retinoic acid on cell proliferation: a role for reactive species and redox-dependent mechanisms in retinol supplementation. Free Radic Res 2009; 42:778-88. [PMID: 18785048 DOI: 10.1080/10715760802385702] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
While some authors suggest that retinoids are potential anti-proliferative and antioxidant agents, evidence has suggested those present pro-oxidant properties, which might lead to malignant proliferation. These discordances stimulated one to investigate the proliferative/anti-proliferative properties of two major retinoids, retinol (ROH) and retinoic acid (RA). In Sertoli cells, ROH increased proliferation while RA was anti-proliferative. ROH increased DNA synthesis, decreased p21 levels and induced cell cycle progression. ROH increased reactive species (RS) production and stimulated p38, JNK1/2 and ERK1/2 MAPKs activation. Antioxidant treatment with Trolox blocked ROH-induced RS production, MAPKs activation and proliferation; MAPKs inhibition blocked proliferation. The potential sites of RS indicate that ROH-induced RS is promoted via mitochondria and xanthine oxidase. In contrast, RA induced neither RS production nor MAPKs activation. RA decreased DNA synthesis and increased p21 leading to cell arrest. Overall, data show that ROH, but not RA, is able to induce proliferation through non-classical and redox-dependent mechanisms.
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Affiliation(s)
- Alfeu Zanotto-Filho
- Departamento de Bioquímica, Centro de Estudos em Estresse Oxidativo, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brasil
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Spindler M, Beal MF, Henchcliffe C. Coenzyme Q10 effects in neurodegenerative disease. Neuropsychiatr Dis Treat 2009; 5:597-610. [PMID: 19966907 PMCID: PMC2785862 DOI: 10.2147/ndt.s5212] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2009] [Indexed: 12/13/2022] Open
Abstract
Coenzyme Q10 (CoQ10) is an essential cofactor in the mitochondrial respiratory chain, and as a dietary supplement it has recently gained attention for its potential role in the treatment of neurodegenerative disease. Evidence for mitochondrial dysfunction in neurodegenerative disorders derives from animal models, studies of mitochondria from patients, identification of genetic defects in patients with neurodegenerative disease, and measurements of markers of oxidative stress. Studies of in vitro models of neuronal toxicity and animal models of neurodegenerative disorders have demonstrated potential neuroprotective effects of CoQ10. With this data in mind, several clinical trials of CoQ10 have been performed in Parkinson's disease and atypical Parkinson's syndromes, Huntington's disease, Alzheimer disease, Friedreich's ataxia, and amyotrophic lateral sclerosis, with equivocal findings. CoQ10 is widely available in multiple formulations and is very well tolerated with minimal adverse effects, making it an attractive potential therapy. Phase III trials of high-dose CoQ10 in large sample sizes are needed to further ascertain the effects of CoQ10 in neurodegenerative diseases.
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Affiliation(s)
- Meredith Spindler
- Department of Neurology, Weill Medical, College of Cornell University, 525 east 68th Street, Suite F610, New York, NY, USA.
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Inhibition of MDR1 expression by retinol treatment increases sensitivity to etoposide (VP16) in human neoplasic cell line. Toxicol In Vitro 2008; 22:873-8. [DOI: 10.1016/j.tiv.2008.01.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2007] [Revised: 01/04/2008] [Accepted: 01/07/2008] [Indexed: 11/21/2022]
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Gelain DP, Moreira JCF. Evidence of increased reactive species formation by retinol, but not retinoic acid, in PC12 cells. Toxicol In Vitro 2008; 22:553-8. [DOI: 10.1016/j.tiv.2007.11.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2007] [Revised: 11/05/2007] [Accepted: 11/06/2007] [Indexed: 10/22/2022]
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38
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Gelain DP, Moreira JCF, Bevilaqua LRM, Dickson PW, Dunkley PR. Retinol activates tyrosine hydroxylase acutely by increasing the phosphorylation of serine40 and then serine31 in bovine adrenal chromaffin cells. J Neurochem 2007; 103:2369-79. [PMID: 17908239 DOI: 10.1111/j.1471-4159.2007.04935.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Tyrosine hydroxylase is the rate-limiting enzyme in the biosynthesis of the catecholamines. It has been reported that retinol (vitamin A) modulates tyrosine hydroxylase activity by increasing its expression through the activation of the nuclear retinoid receptors. In this study, we observed that retinol also leads to an acute activation of tyrosine hydroxylase in bovine adrenal chromaffin cells and this was shown to occur via two distinct non-genomic mechanisms. In the first mechanism, retinol induced an influx in extracellular calcium, activation of protein kinase C and serine40 phosphorylation, leading to tyrosine hydroxylase activation within 15 min. This effect then declined over time. The retinol-induced rise in intracellular calcium then led to a second slower mechanism; this involved an increase in reactive oxygen species, activation of extracellular signal-regulated kinase 1/2 and serine31 phosphorylation and the maintenance of tyrosine hydroxylase activation for up to 2 h. No effects were observed with retinoic acid. These results show that retinol activates tyrosine hydroxylase via two sequential non-genomic mechanisms, which have not previously been characterized. These mechanisms are likely to operate in vivo to facilitate the stress response, especially when vitamin supplements are taken or when retinol is used as a therapeutic agent.
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Affiliation(s)
- Daniel P Gelain
- The School of Biomedical Science and Hunter Medical Research Institute, Faculty of Health, The University of Newcastle, Callaghan, Australia
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Hirohata M, Ono K, Morinaga A, Yamada M. Non-steroidal anti-inflammatory drugs have potent anti-fibrillogenic and fibril-destabilizing effects for alpha-synuclein fibrils in vitro. Neuropharmacology 2007; 54:620-7. [PMID: 18164319 DOI: 10.1016/j.neuropharm.2007.11.010] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2007] [Revised: 11/08/2007] [Accepted: 11/15/2007] [Indexed: 12/20/2022]
Abstract
The aggregation of alpha-synuclein (alphaS) in the brain has been implicated as a critical step in the development of Lewy body diseases (LBD) [Parkinson's disease (PD)/dementia with Lewy bodies (DLB)] and multiple system atrophy (MSA). The involvement of neuroinflammation and microglial activation has been emphasized in the pathogenesis of PD. Recent epidemiological studies have revealed that therapeutic use of non-steroidal anti-inflammatory drugs (NSAIDs) reduces the risk of developing PD. Here, we examined the effects of NSAIDs, such as ibuprofen, aspirin, acetaminophen, meclofenamic acid sodium salt, sulindac sulfide, ketoprofen, flurbiprofen, diclofenac sodium salt, naproxen, and indomethacin, on the formation and destabilization of alphaS fibrils (falphaS) at pH 7.5 and 37 degrees C in vitro, using fluorescence spectroscopy with thioflavin S and electron microscopy. All examined NSAIDs, except for naproxen and indomethacin, inhibited the formation of falphaS in a dose-dependent manner. Moreover, these molecules dose-dependently destabilized preformed falphaS. The overall activity was in the order: ibuprofen approximately aspirin approximately acetaminophen approximately meclofenamic acid sodium salt approximately sulindac sulfide>ketoprofen approximately flurbiprofen approximately diclofenac sodium salt>naproxen approximately indomethacin. These findings indicate that NSAIDs could be key molecules for the development of therapeutic or preventive agents for LBD and MSA.
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Affiliation(s)
- Mie Hirohata
- Department of Neurology and Neurobiology of Aging, Kanazawa University Graduate School of Medical Science, 13-1, Takara-machi, Kanazawa, and Neurological Center, Kanazawa-Nishi Hospital, Kanazawa, Ishikawa 920-8640, Japan
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Malaspina A, Michael-Titus AT. Is the modulation of retinoid and retinoid-associated signaling a future therapeutic strategy in neurological trauma and neurodegeneration? J Neurochem 2007; 104:584-95. [PMID: 18036157 DOI: 10.1111/j.1471-4159.2007.05071.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The complex molecular pathways that mediate the effects of vitamin A and its derivatives, are increasingly recognized as a component of the repair capacity that could be activated to induce protection and regeneration in the mature nervous tissue. Retinoid and retinoid-associated signaling plays an essential role in normal neurodevelopment and appears to remain active in the adult CNS. In this paper, we review evidence which supports the hypothesis of an activation of retinoid-associated signaling molecular pathways in the mature nervous tissue and its significance in the context of neurodegenerative, trauma-induced and psychiatric disorders, at spinal and supra-spinal levels. Finally, we summarize the potential therapeutic avenues based on the modulation of retinoid targets undergoing reactivation under conditions of acute injury and chronic degeneration in the central nervous system, and discuss some of the unresolved issues linked to this treatment strategy.
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Affiliation(s)
- Andrea Malaspina
- Neuroscience Centre, Institute of Cell and Molecular Science, Barts and the Royal London School of Medicine and Dentistry, Queen Mary University of London, London, UK.
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Ono K, Hirohata M, Yamada M. Anti-fibrillogenic and fibril-destabilizing activity of nicotine in vitro: Implications for the prevention and therapeutics of Lewy body diseases. Exp Neurol 2007; 205:414-24. [PMID: 17425956 DOI: 10.1016/j.expneurol.2007.03.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2007] [Revised: 02/27/2007] [Accepted: 03/01/2007] [Indexed: 01/12/2023]
Abstract
The aggregation of alpha-synuclein (alphaS) has been implicated as a critical step in the development of Lewy body diseases (LBD) and multiple system atrophy (MSA). Both retrospective and prospective epidemiological studies have consistently demonstrated an inverse association between cigarette smoking and Parkinson's disease (PD). We used fluorescence spectroscopy with thioflavin S, electron microscopy and atomic force microscopy to examine the effects of nicotine, pyridine, and N-methylpyrrolidine on the formation of alphaS fibrils (f alphaS) from wild-type alphaS (alphaS (WT)) and A53T mutant alphaS (A53T) and on preformed f alpha Ss. Nicotine dose-dependently inhibited the f alphaS formation from both alphaS (WT) and A53T. Moreover, nicotine dose-dependently destabilized preformed f alpha Ss. These effects of nicotine were similar to those of N-methylpyrrolidine. The anti-fibrillogenic activity of nicotine may be exerted not only by the inhibition of f alphaS formation but also by the destabilization of preformed f alphaS. Additionally, this effect may be attributed to N-methylpyrrolidine moieties of nicotine.
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Affiliation(s)
- Kenjiro Ono
- Department of Neurology and Neurobiology of Aging, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
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Ono K, Hirohata M, Yamada M. Anti-fibrillogenic and fibril-destabilizing activities of anti-Parkinsonian agents for α-synuclein fibrils in vitro. J Neurosci Res 2007; 85:1547-57. [PMID: 17387689 DOI: 10.1002/jnr.21271] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The aggregation of alpha-synuclein (alphaS) in the brain has been implicated as a critical step in the development of Lewy body diseases (LBD) and multiple system atrophy (MSA). Among the antioxidant strategies proposed, increasing evidence points to the possibility of achieving neuroprotection by dopamine agonists, as well as monoamine oxidase B inhibitors. We showed previously that the anti-Parkinsonian agents dose-dependently inhibited beta-amyloid fibrils (fAbeta)(1-40) and fAbeta(1-42) formation as well as destabilized preformed fAbetas. Using fluorescence spectroscopy with thioflavin S, electron microscopy, and atomic force microscopy, we examined the effects of anti-Parkinsonian agents, selegiline, dopamine, pergolide, bromocriptine, and trihexyphenidyl on the formation of alphaS fibrils (falphaS) and on preformed falphaS. All molecules except for trihexyphenidyl, dose-dependently inhibited the formation of falphaS. Moreover, these molecules dose-dependently destabilized preformed falphaS. The overall activity of the molecules examined was in the order of: selegiline = dopamine > pergolide > bromocriptine. These agents and other compounds related structurally could be key molecules for the development of therapeutics for LBD and MSA.
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Affiliation(s)
- Kenjiro Ono
- Department of Neurology and Neurobiology of Aging, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
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