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Chadda KR, Ajijola OA, Vaseghi M, Shivkumar K, Huang CLH, Jeevaratnam K. Ageing, the autonomic nervous system and arrhythmia: From brain to heart. Ageing Res Rev 2018; 48:40-50. [PMID: 30300712 DOI: 10.1016/j.arr.2018.09.005] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2018] [Revised: 08/21/2018] [Accepted: 09/30/2018] [Indexed: 02/08/2023]
Abstract
An ageing myocardium possesses significant electrophysiological alterations that predisposes the elderly patient to arrhythmic risk. Whilst these alterations are intrinsic to the cardiac myocytes, they are modulated by the cardiac autonomic nervous system (ANS) and consequently, ageing of the cardiac ANS is fundamental to the development of arrhythmias. A systems-based approach that incorporates the influence of the cardiac ANS could lead to better mechanistic understanding of how arrhythmogenic triggers and substrates interact spatially and temporally to produce sustained arrhythmia and why its incidence increases with age. Despite the existence of physiological oscillations of ANS activity on the heart, pathological oscillations can lead to defective activation and recovery properties of the myocardium. Such changes can be attributable to the decrease in functionality and structural alterations to ANS specific receptors in the myocardium with age. These altered ANS adaptive responses can occur either as a normal ageing process or accelerated in the presence of specific cardiac pathologies, such as genetic mutations or neurodegenerative conditions. Targeted intervention that seek to manipulate the ageing ANS influence on the myocardium may prove to be an efficacious approach for the management of arrhythmia in the ageing population.
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Affiliation(s)
- Karan R Chadda
- Faculty of Health and Medical Sciences, University of Surrey, Guildford, GU2 7AL, United Kingdom; Physiological Laboratory, University of Cambridge, Downing Street, Cambridge, CB2 3EG, United Kingdom
| | - Olujimi A Ajijola
- UCLA Cardiac Arrhythmia Center, UCLA Health System/David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Marmar Vaseghi
- UCLA Cardiac Arrhythmia Center, UCLA Health System/David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Kalyanam Shivkumar
- UCLA Cardiac Arrhythmia Center, UCLA Health System/David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Christopher L-H Huang
- Physiological Laboratory, University of Cambridge, Downing Street, Cambridge, CB2 3EG, United Kingdom; Department of Biochemistry, Hopkins Building, University of Cambridge, Cambridge, CB2 1QW, United Kingdom
| | - Kamalan Jeevaratnam
- Faculty of Health and Medical Sciences, University of Surrey, Guildford, GU2 7AL, United Kingdom; Physiological Laboratory, University of Cambridge, Downing Street, Cambridge, CB2 3EG, United Kingdom.
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252
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Docosahexaenoic acid protection in a rotenone induced Parkinson's model: Prevention of tubulin and synaptophysin loss, but no association with mitochondrial function. Neurochem Int 2018; 121:26-37. [DOI: 10.1016/j.neuint.2018.10.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 10/15/2018] [Accepted: 10/17/2018] [Indexed: 12/12/2022]
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253
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Harrison IF, Powell NM, Dexter DT. The histone deacetylase inhibitor nicotinamide exacerbates neurodegeneration in the lactacystin rat model of Parkinson's disease. J Neurochem 2018; 148:136-156. [PMID: 30269333 PMCID: PMC6487684 DOI: 10.1111/jnc.14599] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 08/14/2018] [Accepted: 09/21/2018] [Indexed: 01/03/2023]
Abstract
Histone hypoacetylation is associated with dopaminergic neurodegeneration in Parkinson's disease (PD), because of an imbalance in the activities of the enzymes responsible for histone (de)acetylation. Correction of this imbalance, with histone deacetylase (HDAC) inhibiting agents, could be neuroprotective. We therefore hypothesize that nicotinamide, being a selective inhibitor of HDAC class III as well as having modulatory effects on mitochondrial energy metabolism, would be neuroprotective in the lactacystin rat model of PD, which recapitulates the formation of neurotoxic accumulation of altered proteins within the substantia nigra to cause progressive dopaminergic cell death. Rats received nicotinamide for 28 days, starting 7 days after unilateral injection of the irreversible proteasome inhibitor, lactacystin, into the substantia nigra. Longitudinal motor behavioural testing and structural magnetic resonance imaging were used to track changes in this model of PD, and assessment of nigrostriatal integrity, histone acetylation and brain gene expression changes post-mortem used to quantify nicotinamide-induced neuroprotection. Counterintuitively, nicotinamide dose-dependently exacerbated neurodegeneration of dopaminergic neurons, behavioural deficits and structural brain changes in the lactacystin-lesioned rat. Nicotinamide treatment induced histone hyperacetylation and over-expression of numerous neurotrophic and anti-apoptotic factors in the brain, yet failed to result in neuroprotection, rather exacerbated dopaminergic pathology. These findings highlight the importance of inhibitor specificity within HDAC isoforms for therapeutic efficacy in PD, demonstrating the contrasting effects of HDAC class III inhibition upon cell survival in this animal model of the disease. OPEN SCIENCE BADGES: This article has received a badge for *Open Materials* because it provided all relevant information to reproduce the study in the manuscript. The complete Open Science Disclosure form for this article can be found at the end of the article. More information about the Open Practices badges can be found at https://cos.io/our-services/open-science-badges/.
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Affiliation(s)
- Ian F Harrison
- UCL Centre for Advanced Biomedical Imaging, Division of Medicine, University College London, London, UK.,Parkinson's Disease Research Group, Division of Brain Sciences, Department of Medicine, Centre for Neuroinflammation and Neurodegeneration, Imperial College London, London, UK
| | - Nicholas M Powell
- UCL Centre for Advanced Biomedical Imaging, Division of Medicine, University College London, London, UK.,Translational Imaging Group, Centre for Medical Image Computing, University College London, London, UK
| | - David T Dexter
- Parkinson's Disease Research Group, Division of Brain Sciences, Department of Medicine, Centre for Neuroinflammation and Neurodegeneration, Imperial College London, London, UK
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254
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Beserra-Filho JIA, de Macêdo AM, Leão AHFF, Bispo JMM, Santos JR, de Oliveira-Melo AJ, Menezes PDP, Duarte MC, de Souza Araújo AA, Silva RH, Quintans-Júnior LJ, Ribeiro AM. Eplingiella fruticosa leaf essential oil complexed with β-cyclodextrin produces a superior neuroprotective and behavioral profile in a mice model of Parkinson's disease. Food Chem Toxicol 2018; 124:17-29. [PMID: 30481574 DOI: 10.1016/j.fct.2018.11.056] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Revised: 11/19/2018] [Accepted: 11/24/2018] [Indexed: 12/18/2022]
Abstract
Evidence indicates that oxidative stress has an important role in the onset and progression of Parkinson's disease (PD). Antioxidant agents from natural products have shown neuroprotective effects in animal models of PD. Eplingiella fruticosa is an aromatic and medicinal plant of the Lamiaceae family that include culinary herbs. The essential oil (EPL) has anti-inflammatory and antioxidant activities. Cyclodextrins are used to enhances pharmacological profile of essential oil. We obtained the EPL from leaves and complexed with β-cyclodextrin (EPL-βCD). Phytochemical analysis showed as main constituents: β-caryophyllene, bicyclogermacrene and 1,8-cineole. We evaluated the effects of EPL and EPL-βCD (5 mg/kg, p.o. for 40 days) on male mice submitted to the progressive reserpine PD model. Behavioral evaluations, lipid peroxidation quantification and immunohistochemistry for tyrosine hydroxylase were conducted. EPL delayed the onset of catalepsy and decreased membrane lipid peroxides levels in the striatum. EPL-βCD also delayed the onset of catalepsy, reduced the frequency of oral diskynesia, restored memory deficit, produced anxiolytic activity and protected against dopaminergic depletion in the striatum and SNpc. These findings showed that EPL has a potential neuroprotective effect in a progressive PD animal model. Further, EPL-βCD enhanced this protective effects, suggesting a novel therapeutic approach to ameliorate the symptoms of PD.
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Affiliation(s)
- Jose I A Beserra-Filho
- Department of Biosciences, Universidade Federal de São Paulo, Rua Silva Jardim, 136, CEP 11015-020, Santos, SP, Brazil
| | - Amanda M de Macêdo
- Department of Biosciences, Universidade Federal de São Paulo, Rua Silva Jardim, 136, CEP 11015-020, Santos, SP, Brazil
| | - Anderson H F F Leão
- Department of Pharmacology, Universidade Federal de São Paulo, Edificio José Leal Prado, Rua Botucatu, 862, CEP 04023-062, São Paulo, SP, Brazil
| | - Jose Marcos M Bispo
- Department of Biosciences, Universidade Federal de Sergipe, Avenida Ver. Olímpio Grande, s/n, Porto, CEP 49500-000, Itabaiana, SE, Brazil
| | - José R Santos
- Department of Biosciences, Universidade Federal de Sergipe, Avenida Ver. Olímpio Grande, s/n, Porto, CEP 49500-000, Itabaiana, SE, Brazil
| | - Allan John de Oliveira-Melo
- Department of Physiology, Universidade Federal de Sergipe, Avenida Marechal Rondon, s/n, CEP 49100-000, Aracaju, SE, Brazil
| | - Paula Dos Passos Menezes
- Department of Physiology, Universidade Federal de Sergipe, Avenida Marechal Rondon, s/n, CEP 49100-000, Aracaju, SE, Brazil
| | - Marcelo C Duarte
- Department of Physiology, Universidade Federal de Sergipe, Avenida Marechal Rondon, s/n, CEP 49100-000, Aracaju, SE, Brazil
| | - Adriano A de Souza Araújo
- Department of Physiology, Universidade Federal de Sergipe, Avenida Marechal Rondon, s/n, CEP 49100-000, Aracaju, SE, Brazil
| | - Regina H Silva
- Department of Pharmacology, Universidade Federal de São Paulo, Edificio José Leal Prado, Rua Botucatu, 862, CEP 04023-062, São Paulo, SP, Brazil
| | - Lucindo J Quintans-Júnior
- Department of Physiology, Universidade Federal de Sergipe, Avenida Marechal Rondon, s/n, CEP 49100-000, Aracaju, SE, Brazil
| | - Alessandra M Ribeiro
- Department of Biosciences, Universidade Federal de São Paulo, Rua Silva Jardim, 136, CEP 11015-020, Santos, SP, Brazil.
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255
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Dopamine: Functions, Signaling, and Association with Neurological Diseases. Cell Mol Neurobiol 2018; 39:31-59. [PMID: 30446950 DOI: 10.1007/s10571-018-0632-3] [Citation(s) in RCA: 468] [Impact Index Per Article: 78.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Accepted: 11/02/2018] [Indexed: 02/07/2023]
Abstract
The dopaminergic system plays important roles in neuromodulation, such as motor control, motivation, reward, cognitive function, maternal, and reproductive behaviors. Dopamine is a neurotransmitter, synthesized in both central nervous system and the periphery, that exerts its actions upon binding to G protein-coupled receptors. Dopamine receptors are widely expressed in the body and function in both the peripheral and the central nervous systems. Dopaminergic signaling pathways are crucial to the maintenance of physiological processes and an unbalanced activity may lead to dysfunctions that are related to neurodegenerative diseases. Unveiling the neurobiology and the molecular mechanisms that underlie these illnesses may contribute to the development of new therapies that could promote a better quality of life for patients worldwide. In this review, we summarize the aspects of dopamine as a catecholaminergic neurotransmitter and discuss dopamine signaling pathways elicited through dopamine receptor activation in normal brain function. Furthermore, we describe the potential involvement of these signaling pathways in evoking the onset and progression of some diseases in the nervous system, such as Parkinson's, Schizophrenia, Huntington's, Attention Deficit and Hyperactivity Disorder, and Addiction. A brief description of new dopaminergic drugs recently approved and under development treatments for these ailments is also provided.
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256
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Neuroprotective effects of Astilbin on MPTP-induced Parkinson's disease mice: Glial reaction, α-synuclein expression and oxidative stress. Int Immunopharmacol 2018; 66:19-27. [PMID: 30419450 DOI: 10.1016/j.intimp.2018.11.004] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 10/24/2018] [Accepted: 11/05/2018] [Indexed: 11/21/2022]
Abstract
Astilbin (AST), a dihydro-flavonol glycoside, is a major bioactive ingredient in Astilbe thunbergii, Engelhardia roxburghiana, Smilax corbularia and Erythroxylum gonocladum, and has been shown to have anti-inflammatory, antioxidative and neuroprotective effects, suggesting potential therapeutic value in the treatment of Parkinson's disease (PD). We explored the neuroprotective effects of AST in 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced Parkinson's disease mice. Mice were administered with MPTP (30 mg/kg, i.p) daily for 5 days, to establish a subacute Parkinson's disease model, followed by daily treatment with AST or saline for 7 days. Pole and traction tests showed that AST ameliorated the impaired motor functions in MPTP-induced Parkinson's disease mice. High performance liquid chromatography analysis revealed that AST treatment prevented MPTP-induced decreases in striatal dopamine levels. Immunofluorescence assays showed that AST reduced the loss of dopaminergic neurons and the activation of microglia and astrocytes in the substantia nigra. Western blot analyses revealed that AST suppressed α-synuclein overexpression and activated PI3K/Akt in the striatum following MPTP treatment. AST also prevented the MPTP-induced reduction in total superoxide dismutase and glutathione activity in the striatum. AST exerts neuroprotective effects on MPTP-induced PD mice by suppressing gliosis, α-synuclein overexpression and oxidative stress, suggesting that AST could serve as a therapeutic drug to ameliorate PD.
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257
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García-Domínguez I, Veselá K, García-Revilla J, Carrillo-Jiménez A, Roca-Ceballos MA, Santiago M, de Pablos RM, Venero JL. Peripheral Inflammation Enhances Microglia Response and Nigral Dopaminergic Cell Death in an in vivo MPTP Model of Parkinson's Disease. Front Cell Neurosci 2018; 12:398. [PMID: 30459561 PMCID: PMC6232526 DOI: 10.3389/fncel.2018.00398] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Accepted: 10/16/2018] [Indexed: 12/14/2022] Open
Abstract
The impact of systemic inflammation in nigral dopaminergic cell loss remains unclear. Here, we have investigated the role of peripheral inflammation induced by systemic lipopolysaccharide (LPS) administration in the MPTP-based model of Parkinson’s disease. Brain inflammation, microglia and astroglia activation, disruption of the blood–brain barrier (BBB) and integrity of the nigrostriatal dopaminergic system were evaluated in response to i.p. injection of LPS, MPTP or the combination of both. Our results showed that combinative treatment exacerbates microglia activation and enhances (i) the appearance of galectin-3-positive microglia, recently identified as microglial disease-associated phenotypic marker, (ii) the up-regulation of pro-inflammatory cytokines, (iii) the occurrence of A1 neurotoxic astrocytes, (iv) the breakdown of the BBB, and (v) the loss of dopaminergic neurons in the substantia nigra. Microglia activation was triggered earlier than other degenerative events, suggesting that over-activation of microglia (including different polarization states) may induce dopaminergic neuron loss by itself, initiating the endless cycle of inflammation/degeneration. Our study revitalizes the importance of peripheral inflammation as a potential risk factor for Parkinson’s disease and raises the possibility of using new anti-inflammatory therapies to improve the course of neurodegenerative diseases, including those directly aimed at modulating the deleterious activity of disease-associated microglia.
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Affiliation(s)
- Irene García-Domínguez
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla and Departamento de Bioquímica y Biología Molecular, Facultad de Farmacia, Universidad de Sevilla, Seville, Spain
| | - Karolina Veselá
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla and Departamento de Bioquímica y Biología Molecular, Facultad de Farmacia, Universidad de Sevilla, Seville, Spain
| | - Juan García-Revilla
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla and Departamento de Bioquímica y Biología Molecular, Facultad de Farmacia, Universidad de Sevilla, Seville, Spain
| | - Alejandro Carrillo-Jiménez
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla and Departamento de Bioquímica y Biología Molecular, Facultad de Farmacia, Universidad de Sevilla, Seville, Spain
| | - María Angustias Roca-Ceballos
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla and Departamento de Bioquímica y Biología Molecular, Facultad de Farmacia, Universidad de Sevilla, Seville, Spain
| | - Marti Santiago
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla and Departamento de Bioquímica y Biología Molecular, Facultad de Farmacia, Universidad de Sevilla, Seville, Spain
| | - Rocío M de Pablos
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla and Departamento de Bioquímica y Biología Molecular, Facultad de Farmacia, Universidad de Sevilla, Seville, Spain
| | - José L Venero
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla and Departamento de Bioquímica y Biología Molecular, Facultad de Farmacia, Universidad de Sevilla, Seville, Spain
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258
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Behroozmand R, Johari K. Sensorimotor Impairment of Speech and Hand Movement Timing Processing in Parkinson’s Disease. J Mot Behav 2018; 51:561-571. [DOI: 10.1080/00222895.2018.1528204] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Roozbeh Behroozmand
- Speech Neuroscience Lab, Department of Communication Sciences and Disorders, University of South Carolina, SC 29028, Columbia
| | - Karim Johari
- Speech Neuroscience Lab, Department of Communication Sciences and Disorders, University of South Carolina, SC 29028, Columbia
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259
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Takahashi H, Watanabe Y, Tanaka H, Mihara M, Mochizuki H, Takahashi K, Yamamoto K, Liu T, Wang Y, Tomiyama N. Comprehensive MRI quantification of the substantia nigra pars compacta in Parkinson's disease. Eur J Radiol 2018; 109:48-56. [PMID: 30527311 DOI: 10.1016/j.ejrad.2018.06.024] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2017] [Revised: 05/31/2018] [Accepted: 06/27/2018] [Indexed: 12/20/2022]
Abstract
PURPOSE To quantify dopaminergic neurodegeneration and iron overload in the substantia nigra pars compacta (SNpc) to evaluate Parkinson's disease (PD) using both quantitative susceptibility mapping (QSM) and neuromelanin imaging. MATERIALS AND METHODS We studied 39 PD patients (PD group) and 25 healthy controls (HC group) who underwent brain MRI with QSM and neuromelanin imaging. QSM and neuromelanin values of the SNpc were obtained using a voxel-based automated region segmentation system. The signal-to-noise ratio (SNR) of the SNpc in the neuromelanin images was calculated based on the mean value for the background region. The neuromelanin value was defined as the neuromelanin volume with an SNR higher than that of the background. The significance of the intergroup differences, and according to the severity stages in the PD group was tested for each QSM and neuromelanin value. Receiver-operating characteristic (ROC) analysis for diagnosing PD was performed for QSM and neuromelanin values. RESULTS The QSM value was significantly higher in the PD group than in the HC group (P < 0.05). The neuromelanin value was significantly smaller in the PD group than in the HC group (P < 0.05). The areas under the ROC curve were 0.68 and 0.86 for QSM and neuromelanin values, respectively. Using QSM and neuromelanin imaging to classify the PD stage was difficult. CONCLUSIONS Quantifying the SNpc alterations with our region-based approach is useful for the diagnosis of PD.
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Affiliation(s)
- H Takahashi
- Department of Diagnostic and Interventional Radiology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka Suita, Osaka 565-0871, Japan.
| | - Y Watanabe
- Department of Diagnostic and Interventional Radiology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka Suita, Osaka 565-0871, Japan
| | - H Tanaka
- Department of Diagnostic and Interventional Radiology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka Suita, Osaka 565-0871, Japan
| | - M Mihara
- Department of Neurology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka Suita, Osaka 565-0871, Japan
| | - H Mochizuki
- Department of Neurology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka Suita, Osaka 565-0871, Japan
| | - K Takahashi
- Department of Medical Statistics, Osaka City University Graduate School of Medicine, 3-3-138 Sugimoto Sumiyoshi-ku, Osaka, 558-8585, Japan
| | - K Yamamoto
- Department of Medical Statistics, Osaka City University Graduate School of Medicine, 3-3-138 Sugimoto Sumiyoshi-ku, Osaka, 558-8585, Japan
| | - T Liu
- Departments of Biomedical Engineering and Radiology, Cornell University, MedImageMetric LLC, New York, NY, 10044, USA
| | - Y Wang
- Departments of Biomedical Engineering and Radiology, Cornell University, MedImageMetric LLC, New York, NY, 10044, USA
| | - N Tomiyama
- Department of Diagnostic and Interventional Radiology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka Suita, Osaka 565-0871, Japan
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260
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Sun S, Han X, Li X, Song Q, Lu M, Jia M, Ding J, Hu G. MicroRNA-212-5p Prevents Dopaminergic Neuron Death by Inhibiting SIRT2 in MPTP-Induced Mouse Model of Parkinson's Disease. Front Mol Neurosci 2018; 11:381. [PMID: 30364275 PMCID: PMC6193094 DOI: 10.3389/fnmol.2018.00381] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2018] [Accepted: 09/24/2018] [Indexed: 12/16/2022] Open
Abstract
Recently, emerging evidences show that sirtuins (SIRTs) modulate aging progress and affect neurodegenerative diseases. For example, inhibition of SIRT2 has been recognized to exert neuroprotective effects in Parkinson’s disease (PD). However, current SIRT2 inhibitors are lack of selective property distinguished from its homolog. In this study, we found that SIRT2 protein level was highly increased in PD model, which was negatively regulated by miR-212-5p. In detail, miR-212-5p transfection reduced SIRT2 expression and inhibited SIRT2 activity. In vivo study, miR-212-5p treatment prevented dopaminergic neuron loss and DAT reduction by targeting SIRT2, which means miR-212-5p shows neuroprotective effect in PD. Mechanismly, we found nuclear acetylated p53 was up-regulation according to p53 is a major deacetylation substrate of SIRT2. Furthermore, decreased cytoplasmic p53 promoted autophagy in PD model, which was showed as autophagosomes, autophagic flux, LC3 B and p62 expression. Meanwhile, we also found miR-212-5p treatment somehow alleviated apoptosis in PD model, which might have some underlying mechanisms. In conclusions, our study provides a direct link between miR-212-5p and SIRT2-mediated p53-dependent programmed cell death in the pathogenesis of PD. These findings will give us an insight into the development of highly specifically SIRT2 inhibitor of opening up novel therapeutic avenues for PD.
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Affiliation(s)
- Sifan Sun
- Department of Pharmacology, School of Medicine and Life Sciences, Nanjing University of Chinese Medicine, Nanjing, China.,Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Xiaojuan Han
- Department of Pharmacology, School of Medicine and Life Sciences, Nanjing University of Chinese Medicine, Nanjing, China.,Department of Traditional Chinese Medicine, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Xueting Li
- Department of Pharmacology, School of Medicine and Life Sciences, Nanjing University of Chinese Medicine, Nanjing, China
| | - Qiqi Song
- Department of Pharmacology, School of Medicine and Life Sciences, Nanjing University of Chinese Medicine, Nanjing, China
| | - Ming Lu
- Jiangsu Key Laboratory of Neurodegeneration, Department of Pharmacology, Nanjing Medical University, Nanjing, China
| | - Miaomiao Jia
- Department of Pharmacology, School of Medicine and Life Sciences, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jianhua Ding
- Jiangsu Key Laboratory of Neurodegeneration, Department of Pharmacology, Nanjing Medical University, Nanjing, China
| | - Gang Hu
- Department of Pharmacology, School of Medicine and Life Sciences, Nanjing University of Chinese Medicine, Nanjing, China.,Jiangsu Key Laboratory of Neurodegeneration, Department of Pharmacology, Nanjing Medical University, Nanjing, China
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261
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Hernando S, Requejo C, Herran E, Ruiz-Ortega JA, Morera-Herreras T, Lafuente JV, Ugedo L, Gainza E, Pedraz JL, Igartua M, Hernandez RM. Beneficial effects of n-3 polyunsaturated fatty acids administration in a partial lesion model of Parkinson's disease: The role of glia and NRf2 regulation. Neurobiol Dis 2018; 121:252-262. [PMID: 30296616 DOI: 10.1016/j.nbd.2018.10.001] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 09/24/2018] [Accepted: 10/03/2018] [Indexed: 01/05/2023] Open
Abstract
Omega-3 polyunsaturated fatty acids (n-3 PUFAs) have been widely associated to beneficial effect over different neurodegenerative diseases. In the present study, we tested the potential therapeutic effect of docohexanoic acid (DHA) and its hydroxylated derivate, DHAH, in a partial lesion model of Parkinson's disease (PD). One month before and four months after the striatal lesion with 6-OHDA was made, the animals were daily treated with DHA (50 mg/kg), DHAH (50 mg/kg), vehicle or saline, by intragastric administration. Animal groups under n-3 PUFA treatments exhibited a trend to improve in amphetamine-induced rotations and cylinder test. The beneficial effect seen in behavioral studies were confirmed with TH immunostaining. TH+ fibers and TH+ neurons increased in the experimental groups treated with both n-3 PUFAs, DHA and DHAH. Moreover, the n-3 PUFAs administration decreased the astrogliosis and microgliosis, in both the striatum and substantia nigra (SN), with a higher decrease of GFAP+ and Iba-1+ cells for the DHAH treated group. This experimental group also revealed a positive effect on Nrf2 pathway regulation, decreasing the positive Nrf2 immmunostaining in the striatum and SN, which revealed a potential antioxidant effect of this compound. Taking together, these data suggest a positive effect of n-3 PUFAs administration, and more concretely of DHAH, for PD treatment as it exhibited positive results on dopaminergic system, neuroinflammation and oxidative stress.
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Affiliation(s)
- Sara Hernando
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), 01006 Vitoria-Gasteiz, Spain; Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Vitoria-Gasteiz 01006, Spain
| | - Catalina Requejo
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), 01006 Vitoria-Gasteiz, Spain; LaNCE, Dept. Neurosciences, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), Leioa 48940, Spain
| | - Enara Herran
- BioPraxis AIE, Hermanos Lumière 5, 01510 Miñano, Spain
| | - Jose Angel Ruiz-Ortega
- Dept. Pharmacology, School of Pharmacy, University of the Basque Country (UPV/EHU), 01006 Vitoria-Gasteiz, Spain; Dept. Pharmacology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain
| | - Teresa Morera-Herreras
- Dept. Pharmacology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain
| | - Jose Vicente Lafuente
- LaNCE, Dept. Neurosciences, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), Leioa 48940, Spain; Group Nanoneurosurgery, Institute of Health Research Biocruces, Barakaldo 48903, Spain
| | - Luisa Ugedo
- Dept. Pharmacology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain
| | | | - Jose Luis Pedraz
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), 01006 Vitoria-Gasteiz, Spain; Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Vitoria-Gasteiz 01006, Spain
| | - Manoli Igartua
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), 01006 Vitoria-Gasteiz, Spain; Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Vitoria-Gasteiz 01006, Spain.
| | - Rosa Maria Hernandez
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), 01006 Vitoria-Gasteiz, Spain; Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Vitoria-Gasteiz 01006, Spain.
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Aqueous Extract of Davallia mariesii Attenuates 6-Hydroxydopamine-Induced Oxidative Damage and Apoptosis in B35 Cells Through Inhibition of Caspase Cascade and Activation of PI3K/AKT/GSK-3β Pathway. Nutrients 2018; 10:nu10101449. [PMID: 30301204 PMCID: PMC6213869 DOI: 10.3390/nu10101449] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 09/25/2018] [Accepted: 10/02/2018] [Indexed: 12/31/2022] Open
Abstract
The medicinal ferns of Polydiaceae and Davalliaceae species are called "Gusuibu" by Chinese physicians and used as antiaging dietary medicines. Our previous report revealed that Drynaria fortunei (Polydiaceae) protected against 6-hydroxydopamine (6-OHDA)-induced oxidative damage via the PI3K/AKT pathway in B35 neuroblastoma cells. The present study compares the antioxidant phytoconstituent contents and radical scavenging capacities of five Davalliaceae species. The further aim was to clarify the protective mechanism of Davallia mariesii (DM) against 6-OHDA-induced oxidative damage and apoptosis in B35 cells. The results show that Araiostegia perdurans (AP) and DM extracts have better radical scavenging capacities against 1,1-diphenyl-2-picryhydrazyl (DPPH) and reactive oxygen species (ROS) than other Davalliaceae species. However, only DM extract inhibited 6-OHDA autoxidation under cell-free systems and increased cell viability, compared to B35 cells solely exposed to 6-OHDA. DM extract decreased apoptosis and restored mitochondrial expression in 6-OHDA-treated B35 cells. Additional data indicated that DM extract decreased intracellular ROS and nitric oxide levels generated by 6-OHDA exposure. DM extract also restored glutathione (GSH) levels and the activities of glutathione peroxidase and reductase, and then decreased the elevated malondialdehyde (MDA) levels. Finally, DM extract regulated the protein expression of the caspase cascade and PI3K/AKT/GSK-3β pathways. These results suggest that the protective mechanism of DM extract against 6-OHDA-induced oxidative damage and apoptosis might be related to its radical scavenging capacity, maintaining the mitochondrial function to inhibit the Bcl-2/caspase cascade pathway and activating intracellular antioxidant defenses (GSH recycling, HO-1 and NQO-1) by modulating the activation of the PI3K/AKT/GSK-3β pathway.
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263
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Mendes-Pinheiro B, Teixeira FG, Anjo SI, Manadas B, Behie LA, Salgado AJ. Secretome of Undifferentiated Neural Progenitor Cells Induces Histological and Motor Improvements in a Rat Model of Parkinson's Disease. Stem Cells Transl Med 2018; 7:829-838. [PMID: 30238668 PMCID: PMC6216452 DOI: 10.1002/sctm.18-0009] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Revised: 06/07/2018] [Accepted: 06/18/2018] [Indexed: 01/04/2023] Open
Abstract
Parkinson's disease (PD) is a progressive neurodegenerative movement disorder that results from the death of dopamine (DA) neurons. Over recent years, differentiated or undifferentiated neural stem cells (NSCs) transplantation has been widely used as a means of cell replacement therapy. However, compelling evidence has brought attention to the array of bioactive molecules produced by stem cells, defined as secretome. As described in the literature, other cell populations have a high‐neurotrophic activity, but little is known about NSCs. Moreover, the exploration of the stem cell secretome is only in its initial stages, particularly as applied to neurodegenerative diseases. Thus, we have characterized the secretome of human neural progenitor cells (hNPCs) through proteomic analysis and investigated its effects in a 6‐hydroxidopamine (6‐OHDA) rat model of PD in comparison with undifferentiated hNPCs transplantation. Results revealed that the injection of hNPCs secretome potentiated the histological recovery of DA neurons when compared to the untreated group 6‐OHDA and those transplanted with cells (hNPCs), thereby supporting the functional motor amelioration of 6‐OHDA PD animals. Additionally, hNPCs secretome proteomic characterization has revealed that these cells have the capacity to secrete a wide range of important molecules with neuroregulatory actions, which are most likely support the effects observed. Overall, we have concluded that the use of hNPCs secretome partially modulate DA neurons cell survival and ameliorate PD animals’ motor deficits, disclosing improved results when compared to cell transplantation approaches, indicating that the secretome itself could represent a route for new therapeutic options for PD regenerative medicine. stem cells translational medicine2018;7:829–838
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Affiliation(s)
- Bárbara Mendes-Pinheiro
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, Braga, Portugal.,ICVS/3B's - PT Government Associate Laboratory, Guimarães, Portugal
| | - Fábio G Teixeira
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, Braga, Portugal.,ICVS/3B's - PT Government Associate Laboratory, Guimarães, Portugal
| | - Sandra I Anjo
- Department of Life Sciences, Faculty of Sciences and Technology, University of Coimbra, Coimbra, Portugal.,CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
| | - Bruno Manadas
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
| | - Leo A Behie
- Pharmaceutical Production Research Facility, Schulich School of Engineering, University of Calgary, Calgary, Alberta, Canada
| | - António J Salgado
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, Braga, Portugal.,ICVS/3B's - PT Government Associate Laboratory, Guimarães, Portugal
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264
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Aliseychik MP, Andreeva TV, Rogaev EI. Immunogenetic Factors of Neurodegenerative Diseases: The Role of HLA Class II. BIOCHEMISTRY (MOSCOW) 2018; 83:1104-1116. [DOI: 10.1134/s0006297918090122] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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265
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Mansour RM, Ahmed MAE, El-Sahar AE, El Sayed NS. Montelukast attenuates rotenone-induced microglial activation/p38 MAPK expression in rats: Possible role of its antioxidant, anti-inflammatory and antiapoptotic effects. Toxicol Appl Pharmacol 2018; 358:76-85. [PMID: 30222980 DOI: 10.1016/j.taap.2018.09.012] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 09/04/2018] [Accepted: 09/12/2018] [Indexed: 12/12/2022]
Abstract
Montelukast (MK),a cysteinyl leukotriene (CysLT1) receptor antagonist, latterly exhibited a remarkable neuroprotective activity in various neurodegenerative disorders. This study aims to elucidate the neuroprotective effect of MK in rotenone-induced Parkinson's disease(PD) model in rats. Ninety six male rats were split into four groups: vehicle control (0.2 ml/kg/48 h, sc), MK (10 mg/kg/day, ip), rotenone (1.5 mg/kg/48 h, sc.) and rotenone pretreated with MK. Rotenone treatment led to significant reduction in motor functioning and elevation in oxidative stress markers. Additionally, upregulation of p38 mitogen-activated protein kinase (p38 MAPK) and CysLT1 receptor expressions were anchored with enhanced striatal microglial activation generating a severe neuro-inflammatory milieu. Furthermore, an augmentation in p53 expression and cleaved caspases-3 activity increased apoptotic neurodegeneration synchronized with reduction of striatal tyrosine hydroxylase (TH) content. Changes in neuronal morphology was also noted. MK administration significantly mitigated motor impairment and rise in oxidative stress mediators. As well, the anti-inflammatory activity of MK was manifested by hindering the principal controller of inflammatory pathway, nuclear factor-kappa B, followed by its downstream pro-inflammatory cytokines (tumor necrosis factor-alpha and interleukin-1 beta), by attenuating striatal microglial activation and hampering the expression of both p38 MAPK and CysLT1. Moreover, MK revealed a decline in p53 expression with its downstream cleaved caspases-3 which resulted in preservation of striatal TH terminals as verified by increased striatal TH content and improvement in the histopathological changes incited by rotenone. In conclusion, MK endowed neuroprotective effects in rotenone-induced PD animal model via attenuation of microglial cell activation and p38 MAPK expression.
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Affiliation(s)
- Riham M Mansour
- Department of Pharmacology and Toxicology, Faculty of Pharmacy and Drug Manufacturing, Misr University for Science and Technology (MUST), 6th October City, Giza, Egypt
| | - Maha A E Ahmed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy and Drug Manufacturing, Misr University for Science and Technology (MUST), 6th October City, Giza, Egypt
| | - Ayman E El-Sahar
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Egypt
| | - Nesrine S El Sayed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Egypt.
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266
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Godini R, Fallahi H, Ebrahimie E. A comparative system-level analysis of the neurodegenerative diseases. J Cell Physiol 2018; 234:5215-5229. [PMID: 30203456 DOI: 10.1002/jcp.27330] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 08/10/2018] [Indexed: 12/13/2022]
Abstract
Neurodegenerative diseases are disorders in the central nervous system with consequent progressive neurological symptoms including behavioral and cognitive disabilities. Alzheimer's disease, amyotrophic lateral sclerosis, Huntington's disease, Parkinson's disease, multiple sclerosis, and schizophrenia are the most important and abundant neurodegenerative diseases that affect different parts of the brain. Detailed studies unveiled the molecular mechanisms and pathways affected in each of these disorders. The role of many genes has been documented in the onset and progression of each disease. Although many system-level approaches have been used to understand the exact cause of these diseases, there is no comparative analysis in this regard. Despite all differences in the molecular basis of these diseases, overlapping symptoms might indicate the involvement of the similar pathways and processes. Here, we have applied a system biology approach to uncover many aspects of main neurodegenerative diseases using microarray data obtained from 118 cases of postmortem brain samples. Our analysis has identified key genes that might contribute to the status of diseases. We have also compared the involved biological process and pathway between different disease to find possible similar mechanisms that exist in all of them. We also predicted potentially important transcription factors in each disease and predicted the core gene regulatory networks. We have provided a list of possible new key regulators that could be further explored and also discussed the role of these hub genes. The results of this study would be useful to develop new diagnostic strategies and also to find new drug targets.
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Affiliation(s)
- Rasoul Godini
- Department of Biology, School of Sciences, Razi University, Kermanshah, Iran
| | - Hossein Fallahi
- Department of Biology, School of Sciences, Razi University, Kermanshah, Iran
| | - Esameil Ebrahimie
- Dame Roma Mitchell Cancer Research Laboratories (DRMCRL), Adelaide Medical School, The University of Adelaide, Adelaide, Australia.,Institute of Biotechnology, Shiraz University, Shiraz, Iran.,Division of Information Technology, Engineering and the Environment, School of Information Technology and Mathematical Sciences, The University of South Australia, Adelaide, Australia.,Molecular Biology and Biotechnology, School of Biological Sciences, Faculty of Science and Engineering, Flinders University, Adelaide, Australia
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267
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Roser AE, Caldi Gomes L, Schünemann J, Maass F, Lingor P. Circulating miRNAs as Diagnostic Biomarkers for Parkinson's Disease. Front Neurosci 2018; 12:625. [PMID: 30233304 PMCID: PMC6135037 DOI: 10.3389/fnins.2018.00625] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Accepted: 08/20/2018] [Indexed: 01/08/2023] Open
Abstract
Parkinson's disease (PD) is the second most common neurodegenerative disorder worldwide. Its main neuropathological hallmarks are the degeneration of dopaminergic neurons in the substantia nigra and alpha-synuclein containing protein inclusions, called Lewy Bodies. The diagnosis of idiopathic PD is still based on the assessment of clinical criteria, leading to an insufficient diagnostic accuracy. Additionally, there is no biomarker available allowing the prediction of the disease course or monitoring the response to therapeutic approaches. So far, protein biomarker candidates such as alpha-synuclein have failed to improve diagnosis of PD. Circulating microRNAs (miRNAs) in body fluids are promising biomarker candidates for PD, as they are easily accessible by non- or minimally-invasive procedures and changes in their expression are associated with pathophysiological processes relevant for PD. Advances in miRNA analysis methods resulted in numerous recent publications on miRNAs as putative biomarkers. Here, we discuss the applicability of different body fluids as sources for miRNA biomarkers, highlight technical aspects of miRNA analysis and give an overview on published studies investigating circulating miRNAs as biomarker candidates for diagnosis of PD and other Parkinsonian syndromes.
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Affiliation(s)
- Anna Elisa Roser
- Department of Neurology, University Medical Center Göttingen, Göttingen, Germany.,DFG Cluster of Excellence Nanoscale Microscopy and Molecular Physiology of the Brain, University Medical Center Göttingen, Göttingen, Germany
| | - Lucas Caldi Gomes
- Department of Neurology, University Medical Center Göttingen, Göttingen, Germany
| | - Jonas Schünemann
- Department of Neurology, University Medical Center Göttingen, Göttingen, Germany
| | - Fabian Maass
- Department of Neurology, University Medical Center Göttingen, Göttingen, Germany
| | - Paul Lingor
- Department of Neurology, University Medical Center Göttingen, Göttingen, Germany.,DFG Cluster of Excellence Nanoscale Microscopy and Molecular Physiology of the Brain, University Medical Center Göttingen, Göttingen, Germany.,German Center for Neurodegenerative Diseases, Göttingen, Germany
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268
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Özdemir A, Sever B, Altıntop MD, Kaya Tilki E, Dikmen M. Design, Synthesis, and Neuroprotective Effects of a Series of Pyrazolines against 6-Hydroxydopamine-Induced Oxidative Stress. Molecules 2018; 23:E2151. [PMID: 30150574 PMCID: PMC6225304 DOI: 10.3390/molecules23092151] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 08/20/2018] [Accepted: 08/22/2018] [Indexed: 01/08/2023] Open
Abstract
Parkinson's disease (PD) is a chronic, progressive, and age-related neurodegenerative disorder characterized by the loss of midbrain dopaminergic neurons caused by the accumulation of free radicals and oxidative stress. Based on the neuroprotective properties of 2-pyrazoline derivatives, in the current work, 1-(phenyl/4-substituted phenyl)-3-(2-furanyl/thienyl)-5-aryl-2-pyrazolines (3a⁻i, 4a⁻i) were synthesized via the cyclization of the chalcones (1, 2) with suitable phenylhydrazine hydrochloride derivatives. All these compounds were investigated for their neuroprotective effects using an in vitro 6-hydroxydopamine (6-OHDA)-induced neurotoxicity model of PD in the rat pheochromocytoma (PC-12) Adh cell line. In addition, some different pharmacokinetic parameters of all compounds were in silico predicted by the QikProp module of Schrödinger's Maestro molecular modeling package. 4-Methylsulfonylphenyl substituted compounds 3h (20%) and 4h (23%) were determined as the most promising neuroprotective agents related to their inductive roles in cell viability when compared with the 6-OHDA-positive control group (43% and 42%, respectively). Moreover, in silico pharmacokinetic results indicated that all compounds were within the acceptable range intended for human use. According to both in vitro and in silico studies, compounds 3h and 4h draw attention as potential orally bioavailable therapeutic drug candidates against neurodegeneration in PD.
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Affiliation(s)
- Ahmet Özdemir
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Anadolu University, Eskişehir 26470, Turkey.
| | - Belgin Sever
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Anadolu University, Eskişehir 26470, Turkey.
| | - Mehlika Dilek Altıntop
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Anadolu University, Eskişehir 26470, Turkey.
| | - Elif Kaya Tilki
- Department of Pharmacology, Faculty of Pharmacy, Anadolu University, Eskişehir 26470, Turkey.
| | - Miriş Dikmen
- Department of Pharmacology, Faculty of Pharmacy, Anadolu University, Eskişehir 26470, Turkey.
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269
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Kobylecki CJ, Nordestgaard BG, Afzal S. Plasma urate and risk of Parkinson's disease: A mendelian randomization study. Ann Neurol 2018; 84:178-190. [PMID: 30014508 DOI: 10.1002/ana.25292] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 06/26/2018] [Accepted: 07/01/2018] [Indexed: 01/17/2023]
Abstract
OBJECTIVE Urate is a potent antioxidant, and high plasma urate has been associated with lower incidence of Parkinson's disease (PD) in epidemiological studies. We tested the hypothesis that high concentrations of plasma urate are associated with low incidence of PD. METHODS We performed observational and genetic analyses using plasma urate and the urate SLC2A9 rs7442295 and ABCG2 rs2231142 genotype in >102,000 individuals from the CGPS (Copenhagen General Population Study). Information on PD and mortality was from national patient and death registries. Incidences of PD were calculated using Cox regression, Fine and Gray competing-risks regression, and instrumental variable analyses. RESULTS In total, 398 individuals were diagnosed with PD, of which 285 were incident cases. The multivariable adjusted hazard ratio for PD was 0.56 (95% confidence interval [CI], 0.41-0.77) for the highest versus the lowest tertile of plasma urate (p for trend across 3 groups, 8 × 10-5 ). Each one-allele increase in the combined allele score was associated with 19μmol/l (95% CI, 18.5-19.9) higher plasma urate. In observational analyses, a 50μmol/l higher plasma urate was associated with a hazard ratio of 0.85 (0.77-0.92) for PD; in instrumental variable analyses, 50μmol/l higher plasma urate was associated with an odds ratio of 1.20 (0.85-1.71) for PD. INTERPRETATION High plasma urate was associated with lower risk of PD in observational analyses; however, in instrumental variable analysis, high plasma urate was not associated with low risk of PD. Thus, our data do not support a causal relationship between high plasma urate and low risk of PD. Ann Neurol 2018;84:178-190.
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Affiliation(s)
- Camilla J Kobylecki
- Department of Clinical Biochemistry and the Copenhagen General Population Study, Herlev and Gentofte Hospital, Copenhagen University Hospital, Herlev, Denmark
| | - Børge G Nordestgaard
- Department of Clinical Biochemistry and the Copenhagen General Population Study, Herlev and Gentofte Hospital, Copenhagen University Hospital, Herlev, Denmark.,Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Herlev, Denmark
| | - Shoaib Afzal
- Department of Clinical Biochemistry and the Copenhagen General Population Study, Herlev and Gentofte Hospital, Copenhagen University Hospital, Herlev, Denmark
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270
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Levodopa-Reduced Mucuna pruriens Seed Extract Shows Neuroprotective Effects against Parkinson's Disease in Murine Microglia and Human Neuroblastoma Cells, Caenorhabditis elegans, and Drosophila melanogaster. Nutrients 2018; 10:nu10091139. [PMID: 30131460 PMCID: PMC6164394 DOI: 10.3390/nu10091139] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 08/10/2018] [Accepted: 08/17/2018] [Indexed: 12/21/2022] Open
Abstract
Mucuna pruriens (Mucuna) has been prescribed in Ayurveda for various brain ailments including 'kampavata' (tremors) or Parkinson's disease (PD). While Mucuna is a well-known natural source of levodopa (L-dopa), published studies suggest that other bioactive compounds may also be responsible for its anti-PD effects. To investigate this hypothesis, an L-dopa reduced (<0.1%) M. pruriens seeds extract (MPE) was prepared and evaluated for its anti-PD effects in cellular (murine BV-2 microglia and human SH-SY5Y neuroblastoma cells), Caenorhabditis elegans, and Drosophila melanogaster models. In BV-2 cells, MPE (12.5⁻50 μg/mL) reduced hydrogen peroxide-induced cytotoxicity (15.7-18.6%), decreased reactive oxygen species production (29.1-61.6%), and lowered lipopolysaccharide (LPS)-induced nitric oxide species release by 8.9⁻60%. MPE (12.5-50 μg/mL) mitigated SH-SY5Y cell apoptosis by 6.9-40.0% in a non-contact co-culture assay with cell-free supernatants from LPS-treated BV-2 cells. MPE (12.5-50 μg/mL) reduced 6-hydroxydopamine (6-OHDA)-induced cell death of SH-SY5Y cells by 11.85⁻38.5%. Furthermore, MPE (12.5-50 μg/mL) increased median (25%) and maximum survival (47.8%) of C. elegans exposed to the dopaminergic neurotoxin, methyl-4-phenylpyridinium. MPE (40 μg/mL) ameliorated dopaminergic neurotoxin (6-OHDA and rotenone) induced precipitation of innate negative geotaxis behavior of D. melanogaster by 35.3 and 32.8%, respectively. Therefore, MPE contains bioactive compounds, beyond L-dopa, which may impart neuroprotective effects against PD.
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271
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Rigby BR, Davis RW. Should Exercise Be Prescribed Differently Between Women and Men? An Emphasis on Women Diagnosed With Parkinson's Disease. Front Physiol 2018; 9:1040. [PMID: 30116203 PMCID: PMC6082968 DOI: 10.3389/fphys.2018.01040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Accepted: 07/12/2018] [Indexed: 01/18/2023] Open
Affiliation(s)
- Brandon R Rigby
- Department of Kinesiology, Texas Woman's University, Denton, TX, United States
| | - Ronald W Davis
- Department of Kinesiology, Texas Woman's University, Denton, TX, United States
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272
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Zhang W, Wang W, Yu DX, Xiao Z, He Z. Application of nanodiagnostics and nanotherapy to CNS diseases. Nanomedicine (Lond) 2018; 13:2341-2371. [PMID: 30088440 DOI: 10.2217/nnm-2018-0163] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Alzheimer's disease, Parkinson's disease and stroke are the most common CNS diseases, all characterized by progressive cellular dysfunction and death in specific areas of the nervous system. Therapeutic development for these diseases has lagged behind other disease areas due to difficulties in early diagnosis, long disease courses and drug delivery challenges, not least due to the blood-brain barrier. Over recent decades, nanotechnology has been explored as a potential tool for the diagnosis, treatment and monitoring of CNS diseases. In this review, we describe the application of nanotechnology to common CNS diseases, highlighting disease pathogenesis and the underlying mechanisms and promising functional outcomes that make nanomaterials ideal candidates for early diagnosis and therapy. Moreover, we discuss the limitations of nanotechnology, and possible solutions.
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Affiliation(s)
- Weiyuan Zhang
- Yunnan Key Laboratory of Stem Cell & Regenerative Medicine, Institute of Molecular & Clinical Medicine, Kunming Medical University, Kunming 650500, PR China
| | - Wenyue Wang
- Department of Anatomy & Developmental Biology, Monash University, Clayton, 3800 Clayton, Melbourne 3800, Australia
| | - David X Yu
- Department of Anatomy & Developmental Biology, Monash University, Clayton, 3800 Clayton, Melbourne 3800, Australia
| | - Zhicheng Xiao
- Department of Anatomy & Developmental Biology, Monash University, Clayton, 3800 Clayton, Melbourne 3800, Australia
| | - Zhiyong He
- Yunnan Key Laboratory of Stem Cell & Regenerative Medicine, Institute of Molecular & Clinical Medicine, Kunming Medical University, Kunming 650500, PR China.,Department of Anatomy & Developmental Biology, Monash University, Clayton, 3800 Clayton, Melbourne 3800, Australia
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273
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Mazumder MK, Paul R, Phukan BC, Dutta A, Chakrabarty J, Bhattacharya P, Borah A. Garcinol, an effective monoamine oxidase-B inhibitor for the treatment of Parkinson's disease. Med Hypotheses 2018; 117:54-58. [DOI: 10.1016/j.mehy.2018.06.009] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 06/07/2018] [Indexed: 02/04/2023]
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274
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De Lazzari F, Bubacco L, Whitworth AJ, Bisaglia M. Superoxide Radical Dismutation as New Therapeutic Strategy in Parkinson's Disease. Aging Dis 2018; 9:716-728. [PMID: 30090659 PMCID: PMC6065289 DOI: 10.14336/ad.2017.1018] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Accepted: 10/18/2017] [Indexed: 12/18/2022] Open
Abstract
Aging is the biggest risk factor for developing many neurodegenerative disorders, including idiopathic Parkinson's disease (PD). PD is still an incurable disorder and the available medications are mainly directed to the treatment of symptoms in order to improve the quality of life. Oxidative injury has been identified as one of the principal factors involved in the progression of PD and several indications are now reported in the literature highlighting the prominent role of the superoxide radical in inducing neuronal toxicity. It follows that superoxide anions represent potential cellular targets for new drugs offering a novel therapeutic approach to cope with the progression of the disease. In this review we first present a comprehensive overview of the most common cellular reactive oxygen and nitrogen species, describing their cellular sources, their potential physiological roles in cell signalling pathways and the mechanisms through which they could contribute to the oxidative damage. We then analyse the potential therapeutic use of SOD-mimetic molecules, which can selectively remove superoxide radicals in a catalytic way, focusing on the classes of molecules that have therapeutically exploitable properties.
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Affiliation(s)
- Federica De Lazzari
- Molecular Physiology and Biophysics Unit, Department of Biology, University of Padova, 35131 Padova, Italy.
| | - Luigi Bubacco
- Molecular Physiology and Biophysics Unit, Department of Biology, University of Padova, 35131 Padova, Italy.
| | - Alexander J Whitworth
- Medical Research Council Mitochondrial Biology Unit, University of Cambridge, Cambridge Biomedical Campus, Cambridge, CB2 0XY, UK.
| | - Marco Bisaglia
- Molecular Physiology and Biophysics Unit, Department of Biology, University of Padova, 35131 Padova, Italy.
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275
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Acupuncture Alleviates Levodopa-Induced Dyskinesia via Melanin-Concentrating Hormone in Pitx3-Deficient aphakia and 6-Hydroxydopamine-Lesioned Mice. Mol Neurobiol 2018; 56:2408-2423. [PMID: 30030752 DOI: 10.1007/s12035-018-1194-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Accepted: 06/26/2018] [Indexed: 10/28/2022]
Abstract
Although L-3,4-dihydroxyphenylalanine (L-DOPA) is currently the most effective medication for treating Parkinson's disease (PD) motor symptoms, its prolonged administration causes several adverse effects, including dyskinesia. To identify the mechanisms underlying the effects of acupuncture on L-DOPA-induced dyskinesia (LID), antidyskinetic effects of acupuncture were investigated in two mouse models of PD. Acupuncture stimulation at GB34 alleviated abnormal involuntary movements (AIMs) in Pitx3-deficient aphakia mice (ak/ak) following L-DOPA administration and these effects were reproduced in 6-hydroxydopamine (6-OHDA)-lesioned mice with LID. A transcriptome analysis of the hypothalamus revealed pro-melanin-concentrating hormone (Pmch) gene was highly expressed in acupuncture-treated mouse from ak/ak model of LID as well as 6-OHDA model of LID. Acupuncture combined with the administration of MCH receptor antagonist did not have any beneficial effects on dyskinesia in L-DOPA-injected ak/ak mice, but the intranasal administration of MCH attenuated LID to the same degree as acupuncture in both ak/ak and 6-OHDA mice with LID. A gene expression profile with a hierarchical clustering analysis of the dyskinesia-induced ak/ak mouse brain revealed an association between the mechanisms underlying acupuncture and MCH. Additionally, altered striatal responses to L-DOPA injection were observed after prolonged acupuncture and MCH treatments, which suggests that these treatment modalities influenced the compensatory mechanisms of LID. In summary, present study demonstrated that acupuncture decreased LID via hypothalamic MCH using L-DOPA-administered ak/ak and 6-OHDA mouse models and that MCH administration resulted in novel antidyskinetic effects in these models. Thus, acupuncture and MCH might be valuable therapeutic candidates for PD patients suffering from LID.
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276
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Cell reprogramming approaches in gene- and cell-based therapies for Parkinson's disease. J Control Release 2018; 286:114-124. [PMID: 30026082 DOI: 10.1016/j.jconrel.2018.07.017] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 06/26/2018] [Accepted: 07/10/2018] [Indexed: 12/17/2022]
Abstract
Degeneration of dopamine (DA) neurons in the substantia nigra pars compacta is the pathological hallmark of Parkinson's disease (PD). In PD multiple pathogenic mechanisms initiate and drive this neurodegenerative process, making the development of effective treatments challenging. To date, PD patients are primarily treated with dopaminergic drugs able to temporarily enhance DA levels, therefore relieving motor symptoms. However, the drawbacks of these therapies including the inability to alter disease progression are constantly supporting the search for alternative treatment approaches. Over the past years efforts have been put into the development of new therapeutic strategies based on the delivery of therapeutic genes using viral vectors or transplantation of DA neurons for cell-based DA replacement. Here, past achievements and recent advances in gene- and cell-based therapies for PD are outlined. We discuss how current gene and cell therapy strategies hold great promise for the treatment of PD and how the use of stem cells and recent developments in cellular reprogramming could contribute to open a new avenue in PD therapy.
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277
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Nguyen TT, Vuu MD, Huynh MA, Yamaguchi M, Tran LT, Dang TPT. Curcumin Effectively Rescued Parkinson's Disease-Like Phenotypes in a Novel Drosophila melanogaster Model with dUCH Knockdown. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:2038267. [PMID: 30057672 PMCID: PMC6051027 DOI: 10.1155/2018/2038267] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Accepted: 05/24/2018] [Indexed: 02/03/2023]
Abstract
The relationship between oxidative stress and neurodegenerative diseases has been extensively examined, and antioxidants are considered to be a promising approach for decelerating disease progression. Parkinson's disease (PD) is a common neurodegenerative disorder and affects 1% of the population over 60 years of age. A complex combination of genetic and environmental factors contributes to the pathogenesis of PD. However, since the onset mechanisms of PD have not yet been elucidated in detail, difficulties are associated with developing effective treatments. Curcumin has been reported to have neuroprotective properties in PD models induced by neurotoxins or genetic factors such as α-synuclein, PINK1, DJ-1, and LRRK2. In the present study, we investigated the effects of curcumin in a novel Drosophila model of PD with knockdown of dUCH, a homolog of human UCH-L1. We found that dopaminergic neuron-specific knockdown of dUCH caused impaired movement and the loss of dopaminergic neurons. Furthermore, the knockdown of dUCH induced oxidative stress while curcumin decreased the ROS level induced by this knockdown. In addition, dUCH knockdown flies treated with curcumin had improved locomotive abilities and less severe neurodegeneration. Taken together, with studies on other PD models, these results strongly suggest that treatments with curcumin are an appropriate therapy for PD related to oxidative stress.
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Affiliation(s)
- Thi Thanh Nguyen
- Department of Molecular and Environmental Biotechnology, Faculty of Biology and Biotechnology, University of Science, Vietnam National University-Ho Chi Minh City, Ho Chi Minh City 700000, Vietnam
| | - My Dung Vuu
- Department of Molecular and Environmental Biotechnology, Faculty of Biology and Biotechnology, University of Science, Vietnam National University-Ho Chi Minh City, Ho Chi Minh City 700000, Vietnam
| | - Man Anh Huynh
- Department of Molecular and Environmental Biotechnology, Faculty of Biology and Biotechnology, University of Science, Vietnam National University-Ho Chi Minh City, Ho Chi Minh City 700000, Vietnam
| | - Masamitsu Yamaguchi
- Department of Applied Biology, Kyoto Institute of Technology, Kyoto 606-8585, Japan
- The Center for Advanced Insect Research, Kyoto Institute of Technology, Kyoto 606-8585, Japan
| | - Linh Thuoc Tran
- Department of Molecular and Environmental Biotechnology, Faculty of Biology and Biotechnology, University of Science, Vietnam National University-Ho Chi Minh City, Ho Chi Minh City 700000, Vietnam
- Laboratory of Molecular Biotechnology, University of Science, Vietnam National University-Ho Chi Minh City, Ho Chi Minh City 700000, Vietnam
| | - Thi Phuong Thao Dang
- Department of Molecular and Environmental Biotechnology, Faculty of Biology and Biotechnology, University of Science, Vietnam National University-Ho Chi Minh City, Ho Chi Minh City 700000, Vietnam
- Laboratory of Molecular Biotechnology, University of Science, Vietnam National University-Ho Chi Minh City, Ho Chi Minh City 700000, Vietnam
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278
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PGC-1α sparks the fire of neuroprotection against neurodegenerative disorders. Ageing Res Rev 2018; 44:8-21. [PMID: 29580918 DOI: 10.1016/j.arr.2018.03.004] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2018] [Revised: 03/12/2018] [Accepted: 03/20/2018] [Indexed: 12/30/2022]
Abstract
Recently, growing evidence has demonstrated that peroxisome proliferator activated receptor γ (PPARγ) coactivator-1α (PGC-1α) is a superior transcriptional regulator that acts via controlling the expression of anti-oxidant enzymes and uncoupling proteins and inducing mitochondrial biogenesis, which plays a beneficial part in the central nervous system (CNS). Given the significance of PGC-1α, we summarize the current literature on the molecular mechanisms and roles of PGC-1α in the CNS. Thus, in this review, we first briefly introduce the basic characteristics regarding PGC-1α. We then depict some of its important cerebral functions and discuss upstream modulators, partners, and downstream effectors of the PGC-1α signaling pathway. Finally, we highlight recent progress in research on the involvement of PGC-1α in certain major neurodegenerative disorders (NDDs), including Alzheimer's disease, Parkinson's disease, Huntington's disease, and amyotrophic lateral sclerosis. Collectively, the data presented here may be useful for supporting the future potential of PGC-1α as a therapeutic target.
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279
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Videira PAQ, Castro-Caldas M. Linking Glycation and Glycosylation With Inflammation and Mitochondrial Dysfunction in Parkinson's Disease. Front Neurosci 2018; 12:381. [PMID: 29930494 PMCID: PMC5999786 DOI: 10.3389/fnins.2018.00381] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 05/18/2018] [Indexed: 01/08/2023] Open
Abstract
Parkinson’s disease (PD) is the second most common neurodegenerative disorder, affecting about 6.3 million people worldwide. PD is characterized by the progressive degeneration of dopaminergic neurons in the Substantia nigra pars compacta, resulting into severe motor symptoms. The cellular mechanisms underlying dopaminergic cell death in PD are still not fully understood, but mitochondrial dysfunction, oxidative stress and inflammation are strongly implicated in the pathogenesis of both familial and sporadic PD cases. Aberrant post-translational modifications, namely glycation and glycosylation, together with age-dependent insufficient endogenous scavengers and quality control systems, lead to cellular overload of dysfunctional proteins. Such injuries accumulate with time and may lead to mitochondrial dysfunction and exacerbated inflammatory responses, culminating in neuronal cell death. Here, we will discuss how PD-linked protein mutations, aging, impaired quality control mechanisms and sugar metabolism lead to up-regulated abnormal post-translational modifications in proteins. Abnormal glycation and glycosylation seem to be more common than previously thought in PD and may underlie mitochondria-induced oxidative stress and inflammation in a feed-forward mechanism. Moreover, the stress-induced post-translational modifications that directly affect parkin and/or its substrates, deeply impairing its ability to regulate mitochondrial dynamics or to suppress inflammation will also be discussed. Together, these represent still unexplored deleterious mechanisms implicated in neurodegeneration in PD, which may be used for a more in-depth knowledge of the pathogenic mechanisms, or as biomarkers of the disease.
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Affiliation(s)
- Paula A Q Videira
- UCIBIO, Departamento Ciências da Vida, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, Caparica, Portugal.,CDG & Allies - Professionals and Patient Associations International Network (CDG & Allies - PPAIN), Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, Caparica, Portugal
| | - Margarida Castro-Caldas
- UCIBIO, Departamento Ciências da Vida, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, Caparica, Portugal.,Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
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280
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Benvenutti R, Marcon M, Reis CG, Nery LR, Miguel C, Herrmann AP, Vianna MRM, Piato A. N-acetylcysteine protects against motor, optomotor and morphological deficits induced by 6-OHDA in zebrafish larvae. PeerJ 2018; 6:e4957. [PMID: 29868300 PMCID: PMC5985760 DOI: 10.7717/peerj.4957] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 05/22/2018] [Indexed: 12/13/2022] Open
Abstract
Background Parkinson's disease (PD) is the second most common neurodegenerative disorder. In addition to its highly debilitating motor symptoms, non-motor symptoms may precede their motor counterparts by many years, which may characterize a prodromal phase of PD. A potential pharmacological strategy is to introduce neuroprotective agents at an earlier stage in order to prevent further neuronal death. N-acetylcysteine (NAC) has been used against paracetamol overdose hepatotoxicity by restoring hepatic concentrations of glutathione (GSH), and as a mucolytic in chronic obstructive pulmonary disease by reducing disulfide bonds in mucoproteins. It has been shown to be safe for humans at high doses. More recently, several studies have evidenced that NAC has a multifaceted mechanism of action, presenting indirect antioxidant effect by acting as a GSH precursor, besides its anti-inflammatory and neurotrophic effects. Moreover, NAC modulates glutamate release through activation of the cystine-glutamate antiporter in extra-synaptic astrocytes. Its therapeutic benefits have been demonstrated in clinical trials for several neuropsychiatric conditions but has not been tested in PD models yet. Methods In this study, we evaluated the potential of NAC to prevent the damage induced by 6-hydroxydopamine (6-OHDA) on motor, optomotor and morphological parameters in a PD model in larval zebrafish. Results NAC was able to prevent the motor deficits (total distance, mean speed, maximum acceleration, absolute turn angle and immobility time), optomotor response impairment and morphological alterations (total length and head length) caused by exposure to 6-OHDA, which reinforce and broaden the relevance of its neuroprotective effects. Discussion NAC acts in different targets relevant to PD pathophysiology. Further studies and clinical trials are needed to assess this agent as a candidate for prevention and adjunctive treatment of PD.
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Affiliation(s)
- Radharani Benvenutti
- Programa de Pós-graduação em Neurociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Matheus Marcon
- Programa de Pós-graduação em Neurociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Carlos G Reis
- Programa de Pós-graduação em Neurociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Laura R Nery
- Programa de Pós-graduação em Biologia Celular e Molecular, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Camila Miguel
- Programa de Pós-graduação em Zoologia, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Ana P Herrmann
- Programa de Pós-graduação em Farmacologia e Terapêutica, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Monica R M Vianna
- Programa de Pós-graduação em Biologia Celular e Molecular, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil.,Programa de Pós-graduação em Zoologia, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Angelo Piato
- Programa de Pós-graduação em Neurociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil.,Programa de Pós-graduação em Farmacologia e Terapêutica, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
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281
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Xu Q, Kanthasamy AG, Reddy MB. Epigallocatechin Gallate Protects against TNFα- or H2O2- Induced Apoptosis by Modulating Iron Related Proteins in a Cell Culture Model. INT J VITAM NUTR RES 2018; 88:158-165. [DOI: 10.1024/0300-9831/a000493] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Abstract. Oxidative stress, iron dysregulation, and inflammation have been implicated in the pathogenesis of Parkinson’s disease (PD). Considering the entwined relationship among these factors, epigallocatechin gallate (EGCG) may be a good candidate for PD treatment due to its protective effects against those factors. The objective of this study is to determine whether EGCG protects N27 dopaminergic neuronal cells from H2O2 - and TNFα- induced neurotoxicity. Seven treatments were included: control, H2O2, TNFα, FeSO4, H2O2 + EGCG, TNFα + EGCG, FeSO4 + EGCG. Cells were pretreated with 10 μM EGCG, followed by 50 μM H2O2, 30 ng/ml TNFα or 50 μM FeSO4. Neuroprotective effects of EGCG were assessed by cell viability assay, caspase-3 activity, intracellular reactive oxygen species (ROS) generation, and iron related protein expressions. Caspase-3 activity was increased to 2.8 fold (P < 0.001) and 1.5 fold (P < 0.01) with H2O2 and TNFα treatment; However, EGCG pretreatment significantly decreased the caspase activity by 50.2% (P < 0.001) and 30.1% (P < 0.05). Similarly, cell viability was reduced to 69.2% (P < 0.01) and 89% (P < 0.01) by H2O2 and TNFα, which was partially blocked by EGCG pretreatment. Also, EGCG significantly (P < 0.001) protected against H2O2- induced ROS in a time dependent manner. In addition, both H2O2 and TNFα significantly (P < 0.05) upregulated hepcidin expression and marginally reduced ferroportin (Fpn) expression unlike iron treatment alone. Collectively, our results show that EGCG protects against both TNFα- and H2O2- induced neuronal apoptosis. The observed neuroprotection may be through the inhibition of oxidative stress and inflammation which is possibly mediated mainly by hepcidin and partially by Fpn.
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Affiliation(s)
- Qi Xu
- Department of Food Science and Human Nutrition, Iowa State University, Ames, USA
- School of Public Health, Shanghai University of Traditional Chinese Medicine, China
| | | | - Manju B. Reddy
- Department of Food Science and Human Nutrition, Iowa State University, Ames, USA
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282
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Sex-Specific Transcriptome Differences in Substantia Nigra Tissue: A Meta-Analysis of Parkinson's Disease Data. Genes (Basel) 2018; 9:genes9060275. [PMID: 29799491 PMCID: PMC6027313 DOI: 10.3390/genes9060275] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 05/11/2018] [Accepted: 05/18/2018] [Indexed: 12/26/2022] Open
Abstract
Parkinson’s disease (PD) is one of the most common progressive neurodegenerative diseases. Clinical and epidemiological studies indicate that sex differences, as well as genetic components and ageing, can influence the prevalence, age at onset and symptomatology of PD. This study undertook a systematic meta-analysis of substantia nigra microarray data using the Transcriptome Mapper (TRAM) software to integrate and normalize a total of 10 suitable datasets from multiple sources. Four different analyses were performed according to default parameters, to better define the segments differentially expressed between PD patients and healthy controls, when comparing men and women data sets. The results suggest a possible regulation of specific sex-biased systems in PD susceptibility. TRAM software allowed us to highlight the different activation of some genomic regions and loci involved in molecular pathways related to neurodegeneration and neuroinflammatory mechanisms.
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283
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Abdal Dayem A, Lee SB, Choi HY, Cho SG. Silver Nanoparticles: Two-Faced Neuronal Differentiation-Inducing Material in Neuroblastoma (SH-SY5Y) Cells. Int J Mol Sci 2018; 19:E1470. [PMID: 29762523 PMCID: PMC5983825 DOI: 10.3390/ijms19051470] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 05/08/2018] [Accepted: 05/11/2018] [Indexed: 12/31/2022] Open
Abstract
We have previously demonstrated the potential of biologically synthesized silver nanoparticles (AgNP) in the induction of neuronal differentiation of human neuroblastoma, SH-SY5Y cells; we aimed herein to unveil its molecular mechanism in comparison to the well-known neuronal differentiation-inducing agent, all-trans-retinoic acid (RA). AgNP-treated SH-SY5Y cells showed significantly higher reactive oxygen species (ROS) generation, stronger mitochondrial membrane depolarization, lower dual-specificity phosphatase expression, higher extracellular-signal-regulated kinase (ERK) phosphorylation, lower AKT phosphorylation, and lower expression of the genes encoding the antioxidant enzymes than RA-treated cells. Notably, pretreatment with N-acetyl-l-cysteine significantly abolished AgNP-induced neuronal differentiation, but not in that induced by RA. ERK inhibition, but not AKT inhibition, suppresses neurite growth that is induced by AgNP. Taken together, our results uncover the pivotal contribution of ROS in the AgNP-induced neuronal differentiation mechanism, which is different from that of RA. However, the negative consequence of AgNP-induced neurite growth may be high ROS generation and the downregulation of the expression of the genes encoding the antioxidant enzymes, which prompts the future consideration and an in-depth study of the application of AgNP-differentiated cells in neurodegenerative disease therapy.
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Affiliation(s)
- Ahmed Abdal Dayem
- Department of Stem Cell and Regenerative Biotechnology, Incurable Disease Animal Model & Stem Cell Institute (IDASI), Konkuk University, Seoul 05029, Korea.
| | - Soo Bin Lee
- Department of Stem Cell and Regenerative Biotechnology, Incurable Disease Animal Model & Stem Cell Institute (IDASI), Konkuk University, Seoul 05029, Korea.
| | - Hye Yeon Choi
- Department of Stem Cell and Regenerative Biotechnology, Incurable Disease Animal Model & Stem Cell Institute (IDASI), Konkuk University, Seoul 05029, Korea.
| | - Ssang-Goo Cho
- Department of Stem Cell and Regenerative Biotechnology, Incurable Disease Animal Model & Stem Cell Institute (IDASI), Konkuk University, Seoul 05029, Korea.
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284
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Shamoto-Nagai M, Hisaka S, Naoi M, Maruyama W. Modification of α-synuclein by lipid peroxidation products derived from polyunsaturated fatty acids promotes toxic oligomerization: its relevance to Parkinson disease. J Clin Biochem Nutr 2018; 62:207-212. [PMID: 29892158 PMCID: PMC5990400 DOI: 10.3164/jcbn.18-25] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Accepted: 03/06/2018] [Indexed: 12/14/2022] Open
Abstract
Recently, toxic α-synuclein oligomer, which can mediate cell-to-cell propagation is suggested to cause sporadic Parkinson disease. α-Synuclein interacts with membrane lipids especially polyunsaturated fatty acids to stabilize its three-dementional structure. Peroxidation of polyunsaturated fatty acids may reduce their affinity to α-synuclein and peroxidation byproducts might modify α-synuclein. 4-Hydroxy-2-nonenal derived from n-6 polyunsaturated fatty acids was reported to modify α-synuclein to produce a toxic oligomer. Moreover, the accumulation of 4-hydroxy-2-nonenal, which could induce oligomeriztion of α-synuclein, was found in parkinsonian brains. Docosahexaenoic acid, an n-3 polyunsaturated fatty acids abundant in the neuronal membrane, was also found to enhance α-synuclein oligomerization; however, the precise details of the chemical reaction involved are unclear. Propanoylated lysine, a specific indicator of docosahexaenoic acid oxidation, was increased in neuronal differentiated human neuroblastoma SH-SY5Y cells overexpressing α-synuclein. α-Synuclein might be modified by the peroxidation products and then, is degraded by the autophagy-lysosome system. In addition, in the cells overexpressing α-synuclein, the mitochondrial electrone transfer chain was found to be inhibited. Accumulation of abnormal α-synuclein modified by lipid radicals derived from polyunsaturated fatty acids may be not only an indicator of brain oxidative stress but also causative of neurodegeneration such as Parkinson disease by impairing mitochondrial function.
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Affiliation(s)
- Masayo Shamoto-Nagai
- Department of Health and Nutrition, Faculty of Psychological and Physical Science, Aichi Gakuin University, 12 Araike, Iwasaki-cho, Nissin, Aichi 470-0195, Japan
| | - Shinsuke Hisaka
- Graduate School of Pharmacy, Meijo University, 150 Yagotoyama, Tenpaku-ku, Nagoya, Aichi 466-8503, Japan
| | - Makoto Naoi
- Department of Health and Nutrition, Faculty of Psychological and Physical Science, Aichi Gakuin University, 12 Araike, Iwasaki-cho, Nissin, Aichi 470-0195, Japan
| | - Wakako Maruyama
- Department of Health and Nutrition, Faculty of Psychological and Physical Science, Aichi Gakuin University, 12 Araike, Iwasaki-cho, Nissin, Aichi 470-0195, Japan
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285
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miR-494-3p modulates the progression of in vitro and in vivo Parkinson’s disease models by targeting SIRT3. Neurosci Lett 2018; 675:23-30. [DOI: 10.1016/j.neulet.2018.03.037] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 03/09/2018] [Accepted: 03/18/2018] [Indexed: 11/21/2022]
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286
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The role of catecholamines in HIV neuropathogenesis. Brain Res 2018; 1702:54-73. [PMID: 29705605 DOI: 10.1016/j.brainres.2018.04.030] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 04/21/2018] [Accepted: 04/24/2018] [Indexed: 12/21/2022]
Abstract
The success of anti-retroviral therapy has improved the quality of life and lifespan of HIV + individuals, transforming HIV infection into a chronic condition. These improvements have come with a cost, as chronic HIV infection and long-term therapy have resulted in the emergence of a number of new pathologies. This includes a variety of the neuropathological and neurocognitive effects collectively known as HIVassociated neurocognitive disorders (HAND) or NeuroHIV. These effects persist even in the absence of viral replication, suggesting that they are mediated the long-term changes in the CNS induced by HIV infection rather than by active replication. Among these effects are significant changes in catecholaminergic neurotransmission, especially in dopaminergic brain regions. In HIV-infected individuals not treated with ARV show prominent neuropathology is common in dopamine-rich brain regions and altered autonomic nervous system activity. Even infected individuals on therapy, there is significant dopaminergic neuropathology, and elevated stress and norepinephrine levels correlate with a decreased effectiveness of antiretroviral drugs. As catecholamines function as immunomodulatory factors, the resultant dysregulation of catecholaminergic tone could substantially alter the development of HIVassociated neuroinflammation and neuropathology. In this review, we discuss the role of catecholamines in the etiology of HIV neuropathogenesis. Providing a comprehensive examination of what is known about these molecules in the context of HIV-associated disease demonstrates the importance of further studies in this area, and may open the door to new therapeutic strategies that specifically ameliorate the effects of catecholaminergic dysregulation on NeuroHIV.
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287
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Scorza FA, Fiorini AC, Scorza CA, Finsterer J. Cardiac abnormalities in Parkinson's disease and Parkinsonism. J Clin Neurosci 2018; 53:1-5. [PMID: 29706419 DOI: 10.1016/j.jocn.2018.04.031] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 04/09/2018] [Indexed: 10/17/2022]
Abstract
OBJECTIVES Though there is increasing evidence for primary cardiac disease in Parkinson's disease (PD) and Parkinsonism (PS), this evidence is hardly included in the general management of these patients. METHODS Literature review. RESULTS PD is one of the most common age-related neurodegenerative disorders. Epidemiological studies have shown that PD is accompanied by high rates of premature death compared with the general population. In general, death in PD/PS is usually caused by determinant factors such as pneumonia, cerebrovascular, and cardiovascular disease. There is a significant body of literature demonstrating involvement of the heart in PD/PS. Cardiac involvement in PD/PS includes cardiac autonomic dysfunction, cardiomyopathy, coronary heart disease, arrhythmias, conduction defects, and sudden cardiac death (SCD), and sudden unexpected death in Parkinson's disease (SUDPAR). CONCLUSIONS Cardiac abnormalities found in PD/PS are manifold but the most prominent is cardiac autonomic dysfunction. The frequency of coronary heart disease in PD is a matter of debate. Only rarely reported in PD/PS are cardiomyopathies, arrhythmias, and sudden cardiac death, and SUDPAR. It is particularly recommended that PD/PS patients are more intensively investigated cardiologically as soon as the diagnosis is established. Early recognition of cardiac involvement is important for preventing SCD and SUDPAR.
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Affiliation(s)
- Fulvio A Scorza
- Disciplina de Neurociência, Escola Paulista de Medicina/Universidade Federal de São Paulo (EPM/UNIFESP), São Paulo, Brazil.
| | - Ana C Fiorini
- Programa de Estudos Pós-Graduado em Fonoaudiologia, Pontifícia Universidade Católica de São Paulo (PUC-SP), Brazil; Departamento de Fonoaudiologia, Escola Paulista de Medicina/Universidade Federal de São Paulo (EPM/UNIFESP), São Paulo, Brazil.
| | - Carla A Scorza
- Disciplina de Neurociência, Escola Paulista de Medicina/Universidade Federal de São Paulo (EPM/UNIFESP), São Paulo, Brazil
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288
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Gastrodin microinjection suppresses 6-OHDA-induced motor impairments in parkinsonian rats: insights into oxidative balance and microglial activation in SNc. Inflammopharmacology 2018; 26:1305-1316. [PMID: 29616453 DOI: 10.1007/s10787-018-0470-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2017] [Accepted: 03/20/2018] [Indexed: 10/17/2022]
Abstract
PURPOSE OF THE RESEARCH In this study, we appraised the effect of pre-treatment with intra-cerebro ventricular (i.c.v) microinjection of gastrodin (Gst) on catalepsy, motor imbalance, substantia nigra pars compacta (SNc) myeloperoxidase (MPO) activity, lipid peroxidation levels, nitric oxide (NO) production and total antioxidant capacity (TAC) in 6-hydroxydopamine (6-OHDA) rats model of PD. MATERIALS AND METHODS Male Wistar rats were pre-treated with i.c.v microinjections of Gst (20, 40 and 80 μg/3 μl/rat) for five consecutive days. Then, catalepsy and motor balance were induced by unilateral infusion of 6-OHDA (8 μg/2 μl/rat) into the SNc. The anti-cataleptic and motor balance improving effect of Gst was assessed by the Bar test and Rotarod 3 weeks after neurotoxin injection, respectively. SNc MPO activity and lipid peroxidation levels, NO production and TAC were assessed at the end of behavioral experiments. RESULTS Our data demonstrated that Gst pre-treatment significantly (p < 0.001) was prevented motor in-coordination and catalepsy in neurotoxin lesioned rats. The most motor improving effect was seen at 80 μg Gst (p < 0.001). Pre-treatment of parkinsonian rats with Gst meaningfully (p < 0.001) was suppressed MPO activity, lipid peroxidation and NO production. Furthermore, the TAC level in the SNc was increased (p < 0.001) in Gst-microinjected rats about to the normal non-parkinsonian animals. MAJOR CONCLUSIONS In summary, pre-treatment with Gst abolished 6-OHDA-induced catalepsy and improved motor incoordination by decreasing: SNc MPO activity, lipid peroxidation levels and NO production, and restoring SNc levels of TAC to the levels of healthy rats.
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Lang JT, Kassan TO, Devaney LL, Colon-Semenza C, Joseph MF. Test-Retest Reliability and Minimal Detectable Change for the 10-Meter Walk Test in Older Adults With Parkinson's disease. J Geriatr Phys Ther 2018; 39:165-70. [PMID: 26428902 DOI: 10.1519/jpt.0000000000000068] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND AND PURPOSE Measurement of gait performance in individuals with Parkinson's disease (PD) can be challenging because of the daily fluctuations in performance and the progressive nature of the condition. The 10-Meter Walk Test (10MWT) is commonly used to measure gait speed of individuals with gait limitations. Existing research on the 10MWT in individuals with PD controls for many variables inherent to this condition, rendering the results of this test in settings where these variables are not controlled questionable. The purpose of this study was to estimate under commonly encountered clinical conditions the test-retest reliability and the minimal detectable change (MDC) of gait speed and step frequency determined during the 10MWT in individuals with PD. METHODS The 10MWT was administered by 2 testers, on 35 participants, across 2 sessions, separated by 5 to 14 days. Gait speed was measured using a hand-held stopwatch, and step frequency was assessed through visual observation. Test-retest reliability was calculated using the intraclass correlation coefficient (ICC) and the MDC was calculated using the standard error of measurement (SEM). RESULTS AND DISCUSSION Comfortable and fast gait speeds demonstrated excellent reliability between sessions (ICC = 0.92 and 0.96, respectively). The corresponding MDCs were 0.22 and 0.23 m/s, respectively. The test-retest reliability for step frequency was moderate for comfortable gait speed and good for fast gait speeds (ICC = 0.73 and 0.82, respectively). The corresponding MDCs were 15.1 and 17.4 steps per minute for comfortable and fast step frequency, respectively. CONCLUSIONS Under both comfortable and fast conditions, measurements of gait speed and step frequency during the 10MWT are reliable between sessions in individuals with PD.
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Affiliation(s)
- Jesse T Lang
- Doctor of Physical Therapy Program, Department of Kinesiology, College of Agriculture, Health and Natural Resources, University of Connecticut, Storrs
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291
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Lins LCRF, Souza MF, Bispo JMM, Gois AM, Melo TCS, Andrade RAS, Quintans-Junior LJ, Ribeiro AM, Silva RH, Santos JR, Marchioro M. Carvacrol prevents impairments in motor and neurochemical parameters in a model of progressive parkinsonism induced by reserpine. Brain Res Bull 2018; 139:9-15. [PMID: 29378222 DOI: 10.1016/j.brainresbull.2018.01.017] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Revised: 01/02/2018] [Accepted: 01/18/2018] [Indexed: 12/29/2022]
Abstract
Parkinson's disease (PD) is a neurodegenerative disease characterized by a progressive degeneration of dopaminergic neurons in the substantia nigra pars compact (SNpc), with consequent depletion of dopamine in the striatum, which gives rise to the characteristic motor symptoms of PD. Although its etiology is unknown, several studies have suggested that oxidative stress plays a critical function in the pathophysiology of PD, and antioxidant agents could be helpful to slown down the dopaminergic neurodegeneration. Carvacrol (CA) is a phenolic monoterpene found in essential oils of many aromatic plants that presents antioxidant and neuroprotective effects. This study aimed to assess the effect of CA in a reserpine (RES)-induced rat model of PD. Male Wistar rats received 15 s.c. injections of 0.1 mg/kg RES or vehicle, every other day, concomitantly to daily i.p. injections of CA (12.5 or 25 mg/kg) or vehicle. Across the treatment, the animals were submitted to behavioral evaluation in the catalepsy test (performed daily), open field test (7th day) and assessment of vacuous chewing movements (12th, 20th and 30th days). Upon completion of behavioral tests, rats were perfused and their brains underwent tyrosine hydroxylase (TH) immunohistochemical analysis. Our results showed that CA (12.5 e 25 mg/kg) prevented the increase in catalepsy behavior and number of vacuous chewing movements, but failed to revert the decreased open-field locomotor activity induced by RES. In addition, CA in both doses prevented the decrease in TH immunostaining induced by RES in the SNpc and dorsal striatum. Taken together, our results suggest that CA shows a protective effect in a rat model of PD, preventing motor and neurochemical impairments induced by RES. Thus, the use of CA as a promising new strategy for the prevention and/or treatment of PD may be considered.
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Affiliation(s)
| | - Marina F Souza
- Department of Physiology, Federal University of Sergipe, São Cristóvão, SE, Brazil
| | - José Marcos M Bispo
- Department of Physiology, Federal University of Sergipe, São Cristóvão, SE, Brazil
| | - Auderlan M Gois
- Department of Physiology, Federal University of Sergipe, São Cristóvão, SE, Brazil
| | | | | | | | | | - Regina H Silva
- Department of Pharmacology, Federal University of São Paulo, São Paulo, SP, Brazil
| | - José R Santos
- Department of Biosciences, Federal University of Sergipe, Itabaiana, SE, Brazil.
| | - Murilo Marchioro
- Department of Physiology, Federal University of Sergipe, São Cristóvão, SE, Brazil
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292
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Roser AE, Caldi Gomes L, Halder R, Jain G, Maass F, Tönges L, Tatenhorst L, Bähr M, Fischer A, Lingor P. miR-182-5p and miR-183-5p Act as GDNF Mimics in Dopaminergic Midbrain Neurons. MOLECULAR THERAPY-NUCLEIC ACIDS 2018; 11:9-22. [PMID: 29858093 PMCID: PMC5849806 DOI: 10.1016/j.omtn.2018.01.005] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 01/17/2018] [Accepted: 01/17/2018] [Indexed: 11/17/2022]
Abstract
Parkinson’s disease (PD) is the second-most-frequent neurodegenerative disorder worldwide. One major hallmark of PD is the degeneration of dopaminergic (DA) neurons in the substantia nigra. Glial cell line-derived neurotrophic factor (GDNF) potently increases DA neuron survival in models of PD; however, the underlying mechanisms are incompletely understood. MicroRNAs (miRNAs) are small, non-coding RNAs that are important for post-transcriptional regulation of gene expression. Using small RNA sequencing, we show that GDNF specifically increases the expression of miR-182-5p and miR-183-5p in primary midbrain neurons (PMNs). Transfection of synthetic miR-182-5p and miR-183-5p mimics leads to increased neurite outgrowth and mediates neuroprotection of DA neurons in vitro and in vivo, mimicking GDNF effects. This is accompanied by decreased expression of FOXO3 and FOXO1 transcription factors and increased PI3K-Akt signaling. Inhibition of endogenous miR-182-5p or miR-183-5p in GDNF-treated PMNs attenuated the pro-DA effects of GDNF. These findings unveil an unknown miR-mediated mechanism of GDNF action and suggest that targeting miRNAs is a new therapeutic avenue to PD phenotypes.
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Affiliation(s)
- Anna-Elisa Roser
- Department of Neurology, University Medical Center Göttingen, Robert-Koch-Str. 40, 37075 Göttingen, Lower-Saxony, Germany; DFG Cluster of Excellence Nanoscale Microscopy and Molecular Physiology of the Brain (CNMPB), University Medical Center Göttingen, Robert-Koch-Str. 40, 37075 Göttingen, Lower-Saxony, Germany
| | - Lucas Caldi Gomes
- Department of Neurology, University Medical Center Göttingen, Robert-Koch-Str. 40, 37075 Göttingen, Lower-Saxony, Germany
| | - Rashi Halder
- Department for Epigenetics and Systems Medicine in Neurodegenerative Diseases, German Center for Neurodegenerative Diseases (DZNE), Von-Siebold-Str. 3a, 37075 Göttingen, Lower-Saxony, Germany
| | - Gaurav Jain
- Department for Epigenetics and Systems Medicine in Neurodegenerative Diseases, German Center for Neurodegenerative Diseases (DZNE), Von-Siebold-Str. 3a, 37075 Göttingen, Lower-Saxony, Germany
| | - Fabian Maass
- Department of Neurology, University Medical Center Göttingen, Robert-Koch-Str. 40, 37075 Göttingen, Lower-Saxony, Germany
| | - Lars Tönges
- Department of Neurology, Ruhr-Universität Bochum, Universitätsstr. 150, 44801 Bochum, NRW, Germany
| | - Lars Tatenhorst
- Department of Neurology, University Medical Center Göttingen, Robert-Koch-Str. 40, 37075 Göttingen, Lower-Saxony, Germany
| | - Mathias Bähr
- Department of Neurology, University Medical Center Göttingen, Robert-Koch-Str. 40, 37075 Göttingen, Lower-Saxony, Germany; DFG Cluster of Excellence Nanoscale Microscopy and Molecular Physiology of the Brain (CNMPB), University Medical Center Göttingen, Robert-Koch-Str. 40, 37075 Göttingen, Lower-Saxony, Germany
| | - André Fischer
- DFG Cluster of Excellence Nanoscale Microscopy and Molecular Physiology of the Brain (CNMPB), University Medical Center Göttingen, Robert-Koch-Str. 40, 37075 Göttingen, Lower-Saxony, Germany; Department for Epigenetics and Systems Medicine in Neurodegenerative Diseases, German Center for Neurodegenerative Diseases (DZNE), Von-Siebold-Str. 3a, 37075 Göttingen, Lower-Saxony, Germany; Department of Psychiatry and Psychotherapy, University Medical Center Göttingen, Von-Siebold-Str. 3a, 37075 Göttingen, Lower-Saxony, Germany
| | - Paul Lingor
- Department of Neurology, University Medical Center Göttingen, Robert-Koch-Str. 40, 37075 Göttingen, Lower-Saxony, Germany; DFG Cluster of Excellence Nanoscale Microscopy and Molecular Physiology of the Brain (CNMPB), University Medical Center Göttingen, Robert-Koch-Str. 40, 37075 Göttingen, Lower-Saxony, Germany.
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293
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Cheng YH, Chou WC, Yang YF, Huang CW, How CM, Chen SC, Chen WY, Hsieh NH, Lin YJ, You SH, Liao CM. PBPK/PD assessment for Parkinson's disease risk posed by airborne pesticide paraquat exposure. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:5359-5368. [PMID: 29209972 DOI: 10.1007/s11356-017-0875-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2017] [Accepted: 11/28/2017] [Indexed: 06/07/2023]
Abstract
Exposure to several specific pesticides has led to an increase of Parkinson's disease (PD) risk. However, it is difficult to quantify the PD population risk related to certain pesticides in regions where environmental exposure data are scarce. Furthermore, the time trend of the prevalence and incidence of PD embedded in the background relationship between PD risk and pesticide exposures has not been well characterized. It has been convincingly identified that a key pesticide associated significantly with an increased risk trend of PD is paraquat (PQ). Here, we present a novel, probabilistic population-based exposure-response approach to quantify the contribution from PQ exposure to prevalence risk of PD. We found that the largest PQ exposure contributions occurred in its positive trend during 2004-2011, with the PQ contributing nearly 21 and 24%, respectively, to the PD prevalence rates among the age groups of 70-79 and ≥ 80 years in Taiwan. We also employed the present population risk model to predict the PQ-induced PD prevalence based on the projected rates of increase in PQ exposure associated with age-specific population. The predicted outcome can be used as an early warning signal for public health authorities. We suggest that a mechanistic understanding of the contribution of a specific pesticide exposure to PD risk trends is crucial to enhance our insights into the perspective on the impacts of environmental exposure on the neurodegenerative diseases.
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Affiliation(s)
- Yi-Hsien Cheng
- Institute of Computational Comparative Medicine, Department of Anatomy and Physiology, Kansas State University, Manhattan, KS, 66506, USA
| | - Wei-Chun Chou
- National Institute of Environmental Health Sciences, National Health Research Institutes, Miaoli County, 35053, Taiwan, Republic of China
| | - Ying-Fei Yang
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei, 10617, Taiwan, Republic of China
| | - Chi-Wei Huang
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei, 10617, Taiwan, Republic of China
| | - Chun Ming How
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei, 10617, Taiwan, Republic of China
| | - Szu-Chieh Chen
- Department of Public Health, Chung Shan Medical University, Taichung, 40201, Taiwan, Republic of China
- Department of Family and Community Medicine, Chung Shan Medical University Hospital, Taichung, 40201, Taiwan, Republic of China
| | - Wei-Yu Chen
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan, Republic of China
| | - Nan-Hung Hsieh
- Department of Veterinary Integrative Biosciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, 77845, USA
| | - Yi-Jun Lin
- Institute of Food Safety and Health Risk Assessment, National Yang-Ming University, Taipei, 11221, Taiwan, Republic of China
| | - Shu-Han You
- National Institute of Environmental Health Sciences, National Health Research Institutes, Miaoli County, 35053, Taiwan, Republic of China
| | - Chung-Min Liao
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei, 10617, Taiwan, Republic of China.
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294
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Zhou T, Zhu M, Liang Z. (-)-Epigallocatechin-3-gallate modulates peripheral immunity in the MPTP-induced mouse model of Parkinson's disease. Mol Med Rep 2018; 17:4883-4888. [PMID: 29363729 PMCID: PMC5865947 DOI: 10.3892/mmr.2018.8470] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Accepted: 03/16/2017] [Indexed: 12/27/2022] Open
Abstract
(-)-Epigallocatechin-3-gallate (EGCG) is the most widely studied catechin in green tea and has been identified to regulate immune function. The objective of the present study was to explore the possible application of EGCG in the treatment of Parkinson's disease (PD) by examining its effects on the peripheral immune system in the 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)‑induced PD mouse model. The results demonstrated that EGCG treatment restored the movement behavior of the mice impaired by MPTP, and protected tyrosine hydroxylase‑positive cells in the substantia nigra pars compacta region from MPTP toxicity. Flow cytometric analysis indicated that the ratio of CD3+CD4+ to CD3+CD8+ T lymphocytes in the peripheral blood increased in MPTP‑treated mice following treatment with EGCG, and EGCG reduced expression of inflammatory factors tumor necrosis factor‑α and interleukin‑6 in serum. The present findings indicated that EGCG serves neuroprotective effects in an MPTP‑induced PD mice model and may exert this through modulating peripheral immune response.
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Affiliation(s)
- Tingting Zhou
- Department of Neurology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, P.R. China
| | - Mengru Zhu
- Department of Plastic Surgery, China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Zhanhua Liang
- Department of Neurology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, P.R. China
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295
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Teves JMY, Bhargava V, Kirwan KR, Corenblum MJ, Justiniano R, Wondrak GT, Anandhan A, Flores AJ, Schipper DA, Khalpey Z, Sligh JE, Curiel-Lewandrowski C, Sherman SJ, Madhavan L. Parkinson's Disease Skin Fibroblasts Display Signature Alterations in Growth, Redox Homeostasis, Mitochondrial Function, and Autophagy. Front Neurosci 2018; 11:737. [PMID: 29379409 PMCID: PMC5770791 DOI: 10.3389/fnins.2017.00737] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Accepted: 12/18/2017] [Indexed: 12/27/2022] Open
Abstract
The discovery of biomarkers for Parkinson's disease (PD) is challenging due to the heterogeneous nature of this disorder, and a poor correlation between the underlying pathology and the clinically expressed phenotype. An ideal biomarker would inform on PD-relevant pathological changes via an easily assayed biological characteristic, which reliably tracks clinical symptoms. Human dermal (skin) fibroblasts are accessible peripheral cells that constitute a patient-specific system, which potentially recapitulates the PD chronological and epigenetic aging history. Here, we compared primary skin fibroblasts obtained from individuals diagnosed with late-onset sporadic PD, and healthy age-matched controls. These fibroblasts were studied from fundamental viewpoints of growth and morphology, as well as redox, mitochondrial, and autophagic function. It was observed that fibroblasts from PD subjects had higher growth rates, and appeared distinctly different in terms of morphology and spatial organization in culture, compared to control cells. It was also found that the PD fibroblasts exhibited significantly compromised mitochondrial structure and function when assessed via morphological and oxidative phosphorylation assays. Additionally, a striking increase in baseline macroautophagy levels was seen in cells from PD subjects. Exposure of the skin fibroblasts to physiologically relevant stress, specifically ultraviolet irradiation (UVA), further exaggerated the autophagic dysfunction in the PD cells. Moreover, the PD fibroblasts accumulated higher levels of reactive oxygen species (ROS) coupled with lower cell viability upon UVA treatment. In essence, these studies highlight primary skin fibroblasts as a patient-relevant model that captures fundamental PD molecular mechanisms, and supports their potential utility to develop diagnostic and prognostic biomarkers for the disease.
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Affiliation(s)
- Joji M. Y. Teves
- Graduate Interdisciplinary Program in Applied Biosciences, University of Arizona, Tucson, AZ, United States
| | - Vedanshi Bhargava
- Neuroscience and Cognitive Science Undergraduate Program, Undergraduate Biology Research Program, University of Arizona, Tucson, AZ, United States
| | - Konner R. Kirwan
- Neuroscience and Cognitive Science Undergraduate Program, Undergraduate Biology Research Program, University of Arizona, Tucson, AZ, United States
| | - Mandi J. Corenblum
- Department of Neurology, University of Arizona, Tucson, AZ, United States
| | - Rebecca Justiniano
- Pharmacology and Toxicology, University of Arizona, Tucson, AZ, United States
| | - Georg T. Wondrak
- Pharmacology and Toxicology, University of Arizona, Tucson, AZ, United States
| | - Annadurai Anandhan
- Department of Neurology, University of Arizona, Tucson, AZ, United States
| | - Andrew J. Flores
- Graduate Interdisciplinary Program in Physiological Sciences, University of Arizona, Tucson, AZ, United States
| | - David A. Schipper
- Department of Surgery, University of Arizona, Tucson, AZ, United States
| | - Zain Khalpey
- Department of Surgery, University of Arizona, Tucson, AZ, United States
| | - James E. Sligh
- Department of Medicine, University of Arizona, Tucson, AZ, United States
| | | | - Scott J. Sherman
- Department of Neurology, University of Arizona, Tucson, AZ, United States
| | - Lalitha Madhavan
- Department of Neurology, University of Arizona, Tucson, AZ, United States,The Evelyn F McKnight Brain Institute, University of Arizona, Tucson, AZ, United States,*Correspondence: Lalitha Madhavan
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296
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Labadorf A, Choi SH, Myers RH. Evidence for a Pan-Neurodegenerative Disease Response in Huntington's and Parkinson's Disease Expression Profiles. Front Mol Neurosci 2018; 10:430. [PMID: 29375298 PMCID: PMC5768647 DOI: 10.3389/fnmol.2017.00430] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Accepted: 12/12/2017] [Indexed: 12/17/2022] Open
Abstract
Huntington's and Parkinson's Diseases (HD and PD) are neurodegenerative disorders that share some pathological features but are disparate in others. For example, while both diseases are marked by aberrant protein aggregation in the brain, the specific proteins that aggregate and types of neurons affected differ. A better understanding of the molecular similarities and differences between these two diseases may lead to a more complete mechanistic picture of both the individual diseases and the neurodegenerative process in general. We sought to characterize the common transcriptional signature of HD and PD as well as genes uniquely implicated in each of these diseases using mRNA-Seq data from post mortem human brains in comparison to neuropathologically normal controls. The enriched biological pathways implicated by HD differentially expressed genes show remarkable consistency with those for PD differentially expressed genes and implicate the common biological processes of neuroinflammation, apoptosis, transcriptional dysregulation, and neuron-associated functions. Comparison of the differentially expressed (DE) genes highlights a set of consistently altered genes that span both diseases. In particular, processes involving nuclear factor kappa-light-chain-enhancer of activated B cells (NFkB) and transcription factor cAMP response element-binding protein (CREB) are the most prominent among the genes common to HD and PD. When the combined HD and PD data are compared to controls, relatively few additional biological processes emerge as significantly enriched, suggesting that most pathways are independently seen within each disorder. Despite showing comparable numbers of DE genes, DE genes unique to HD are enriched in far more coherent biological processes than the DE genes unique to PD, suggesting that PD may represent a more heterogeneous disorder. The complexity of the biological processes implicated by this analysis provides impetus for the development of better experimental models to validate the results.
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Affiliation(s)
- Adam Labadorf
- Bioinformatics Program, Boston University, Boston, MA, United States.,Department of Neurology, Boston University, Boston, MA, United States
| | - Seung H Choi
- Biostatistics, Boston University School of Public Health, Boston, MA, United States
| | - Richard H Myers
- Bioinformatics Program, Boston University, Boston, MA, United States.,Department of Neurology, Boston University, Boston, MA, United States.,Biostatistics, Boston University School of Public Health, Boston, MA, United States
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297
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Prasuhn J, Mårtensson CU, Krajka V, Klein C, Rakovic A. Genome-Edited, TH-expressing Neuroblastoma Cells as a Disease Model for Dopamine-Related Disorders: A Proof-of-Concept Study on DJ-1-deficient Parkinsonism. Front Cell Neurosci 2018; 11:426. [PMID: 29379417 PMCID: PMC5770810 DOI: 10.3389/fncel.2017.00426] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Accepted: 12/19/2017] [Indexed: 11/13/2022] Open
Abstract
Impairment of the dopaminergic (DA) system is a common cause of several movement disorders including Parkinson's disease (PD), however, little is known about the underlying disease mechanisms. The recent development of stem-cell-based protocols for the generation of DA neurons partially solved this issue, however, this technology is costly and time-consuming. Commonly used cell lines, i.e., neuroblastoma (SHSY5Y) and PC12 cells are still widely used to investigate PD and significantly contributed to our understanding of mechanisms involved in development of the disease. However, they either do not express DA at all or require additional, only partially efficient differentiations in order to produce DA. Here we generated and characterized transgenic SH-SY5Y cells, ectopically expressing tyrosine hydroxylase (SHTH+), that can be used as a homogenous, DA-producing model to study alterations in DA metabolism and oxidative stress. We demonstrated that SHTH+ produce high levels of DA, 3,4-dihydroxyphenylacetic acid (DOPAC), and homovanillic acid (HVA) making this model suitable to investigate not only alterations in DA synthesis but also its turnover. We also provide evidence for the presence of other enzymes involved in DA synthesis and its turnover in these cells. Finally, we showed that these cells can easily be genetically modified using CRISPR/Cas9 technology in order to study genetically defined forms of movement disorders using DJ1-linked PD as a model.
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Affiliation(s)
- Jannik Prasuhn
- Institute of Neurogenetics, University of Lübeck, Lübeck, Germany
| | | | - Victor Krajka
- Institute of Neurogenetics, University of Lübeck, Lübeck, Germany
| | - Christine Klein
- Institute of Neurogenetics, University of Lübeck, Lübeck, Germany
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298
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Chang KH, Cheng ML, Tang HY, Huang CY, Wu YR, Chen CM. Alternations of Metabolic Profile and Kynurenine Metabolism in the Plasma of Parkinson's Disease. Mol Neurobiol 2018; 55:6319-6328. [PMID: 29294246 DOI: 10.1007/s12035-017-0845-3] [Citation(s) in RCA: 88] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 12/18/2017] [Indexed: 01/01/2023]
Abstract
The pathogenesis of Parkinson's disease (PD) remains to be elucidated. Metabolomic analysis has the potential to identify biochemical pathways and metabolic profiles that are involved in PD pathogenesis. Here, we performed a targeted metabolomics to quantify the plasma levels of 184 metabolites in a discovery cohort including 82 PD patients and 82 normal controls (NCs) and found two up-regulated (dopamine, putrescine/ornithine ratio) and four down-regulated (octadecadienylcarnitine C18:2, asymmetric dimethylarginine, tryptophan, and kynurenine (KYN)) metabolites in the plasma of PD patients. We then measured the plasma levels of a panel of metabolic products of KYN pathway in an independent validation cohort including 118 PD patients, 22 Huntington's disease (HD) patients, and 37 NCs. Lower kynurenic acid (KA)/KYN ratio, higher quinolinic acid (QA) level, and QA/KA ratio were observed in PD patients compared to HD patients and NCs. PD patients at advanced stage (Hoehn-Yahr stage > 2) showed lower KA and KA/KYN ratio, as well as higher QA and QA/KA ratio compared to PD patients at early stage (Hoehn-Yahr stage ≤ 2) and NCs. Levels of KA and QA, as well as the ratios of KA/KYN and QA/KA between PD patients with and without psychiatric symptoms, dementia, or levodopa-induced dyskinesia in the advanced PD were similar. This metabolomic analyses demonstrate a number of plasma biomarker candidates for PD, suggesting a shift toward neurotoxic QA synthesis and away from neuroprotective KA production in KYN pathway.
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Affiliation(s)
- Kuo-Hsuan Chang
- Department of Neurology, Chang Gung Memorial Hospital Linkou Medical Center and College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Mei-Ling Cheng
- Department of Biomedical Sciences, Chang Gung University, Tao-Yuan, Taiwan.,Metabolomics Core Laboratory, Healthy Aging Research Center, Chang Gung University, Taoyuan, Taiwan.,Clinical Phenome Center, Chang Gung Memorial Hospital, Tao-Yuan, Taiwan
| | - Hsiang-Yu Tang
- Metabolomics Core Laboratory, Healthy Aging Research Center, Chang Gung University, Taoyuan, Taiwan
| | - Cheng-Yu Huang
- Metabolomics Core Laboratory, Healthy Aging Research Center, Chang Gung University, Taoyuan, Taiwan
| | - Yih-Ru Wu
- Department of Neurology, Chang Gung Memorial Hospital Linkou Medical Center and College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Chiung-Mei Chen
- Department of Neurology, Chang Gung Memorial Hospital Linkou Medical Center and College of Medicine, Chang Gung University, Taoyuan, Taiwan.
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299
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Zhang LF, Yu XL, Ji M, Liu SY, Wu XL, Wang YJ, Liu RT. Resveratrol alleviates motor and cognitive deficits and neuropathology in the A53T α-synuclein mouse model of Parkinson's disease. Food Funct 2018; 9:6414-6426. [DOI: 10.1039/c8fo00964c] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Resveratrol exerts neuroprotective effects on the A53T α-synuclein mouse model of Parkinson's disease.
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Affiliation(s)
- Li-fan Zhang
- State Key Laboratory of Biochemical Engineering
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Xiao-lin Yu
- State Key Laboratory of Biochemical Engineering
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Mei Ji
- State Key Laboratory of Biochemical Engineering
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Shu-ying Liu
- State Key Laboratory of Biochemical Engineering
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Xiao-ling Wu
- Key Lab of Ministry of Education for Protection and Utilization of Special Biological Sources in Western China
- Ningxia University
- Yinchuan 750021
- China
| | - Yu-jiong Wang
- Key Lab of Ministry of Education for Protection and Utilization of Special Biological Sources in Western China
- Ningxia University
- Yinchuan 750021
- China
| | - Rui-tian Liu
- State Key Laboratory of Biochemical Engineering
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
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Fan J, Fong T, Chen X, Chen C, Luo P, Xie H. Glia maturation factor-β: a potential therapeutic target in neurodegeneration and neuroinflammation. Neuropsychiatr Dis Treat 2018; 14:495-504. [PMID: 29445286 PMCID: PMC5810533 DOI: 10.2147/ndt.s157099] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Glia maturation factor-β (GMFB) is considered to be a growth and differentiation factor for both glia and neurons. GMFB has been found to be upregulated in several neuroinflammation and neurodegeneration conditions. It may function by mediating apoptosis and by modulating the expression of superoxide dismutase, granulocyte-macrophage colony-stimulating factor, and neurotrophin. In this review, we mainly discussed the role of GMFB in several neuroinflammatory and neurodegenerative diseases. On review of the literature, we propose that GMFB may be a promising therapeutic target for neuroinflammatory and neurodegenerative diseases.
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Affiliation(s)
- Junsheng Fan
- Zhujiang Hospital of Southern Medical University, Guangzhou, China.,Shanghai Tenth People's Hospital, Tongji University, Shanghai, China
| | - Tszhei Fong
- Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Xinjie Chen
- Second School of Clinic Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Chuyun Chen
- Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Peng Luo
- Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Haiting Xie
- Zhujiang Hospital of Southern Medical University, Guangzhou, China
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