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Arsuffi-Marcon R, Souza LG, Santos-Miranda A, Joviano-Santos JV. Neurotoxicity of Pyrethroids in neurodegenerative diseases: From animals' models to humans' studies. Chem Biol Interact 2024; 391:110911. [PMID: 38367681 DOI: 10.1016/j.cbi.2024.110911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 01/15/2024] [Accepted: 02/08/2024] [Indexed: 02/19/2024]
Abstract
Neurodegenerative diseases are associated with diverse symptoms, both motor and mental. Genetic and environmental factors can trigger neurodegenerative diseases. Chemicals as pesticides are constantly used in agriculture and also domestically. In this regard, pyrethroids (PY), are a class of insecticides in which its main mechanism of action is through disruption of voltage-dependent sodium channels function in insects. However, in mammals, they can also induce oxidative stress and enzyme dysfunction. This review investigates the association between PY and neurodegenerative diseases as Alzheimer's, Huntington's, Parkinson's, Amyotrophic Lateral Sclerosis, and Autism in animal models and humans. Published works using specific and non-specific models for these diseases were selected. We showed a tendency toward the development and/or aggravating of these neurodegenerative diseases following exposure to PYs. In animal models, the biochemical mechanisms of the diseases and their interaction with the insecticides are more deeply investigated. Nonetheless, only a few studies considered the specific model for each type of disease to analyze the impacts of the exposure. The choice of a specific model during the research is an important step and our review highlights the knowledge gaps of PYs effects using these models reinforcing the importance of them during the design of the experiments.
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Affiliation(s)
- Rafael Arsuffi-Marcon
- Center for Mathematics, Computing, and Cognition (CMCC), Federal University of ABC (UFABC), São Bernardo Do Campo, São Paulo, Brazil
| | - Lizandra Gomes Souza
- Center for Mathematics, Computing, and Cognition (CMCC), Federal University of ABC (UFABC), São Bernardo Do Campo, São Paulo, Brazil
| | - Artur Santos-Miranda
- Department of Physiology and Biophysics, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Julliane V Joviano-Santos
- Post-Graduate Program in Health Sciences, Faculdade Ciências Médicas de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil; Laboratório de Investigações NeuroCardíacas, Ciências Médicas de Minas Gerais (LINC CMMG), Belo Horizonte, Minas Gerais, Brazil.
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2
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Chaudhary R, Singh R. Therapeutic Viewpoint on Rat Models of Locomotion Abnormalities and Neurobiological Indicators in Parkinson's Disease. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2024; 23:488-503. [PMID: 37202886 DOI: 10.2174/1871527322666230518111323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 11/11/2022] [Accepted: 12/02/2022] [Indexed: 05/20/2023]
Abstract
BACKGROUND Locomotion problems in Parkinson's syndrome are still a research and treatment difficulty. With the recent introduction of brain stimulation or neuromodulation equipment that is sufficient to monitor activity in the brain using electrodes placed on the scalp, new locomotion investigations in patients having the capacity to move freely have sprung up. OBJECTIVE This study aimed to find rat models and locomotion-connected neuronal indicators and use them all over a closed-loop system to enhance the future and present treatment options available for Parkinson's disease. METHODS Various publications on locomotor abnormalities, Parkinson's disease, animal models, and other topics have been searched using several search engines, such as Google Scholar, Web of Science, Research Gate, and PubMed. RESULTS Based on the literature, we can conclude that animal models are used for further investigating the locomotion connectivity deficiencies of many biological measuring devices and attempting to address unanswered concerns from clinical and non-clinical research. However, translational validity is required for rat models to contribute to the improvement of upcoming neurostimulation-based medicines. This review discusses the most successful methods for modelling Parkinson's locomotion in rats. CONCLUSION This review article has examined how scientific clinical experiments lead to localised central nervous system injuries in rats, as well as how the associated motor deficits and connection oscillations reflect this. This evolutionary process of therapeutic interventions may help to improve locomotion- based treatment and management of Parkinson's syndrome in the upcoming years.
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Affiliation(s)
- Rishabh Chaudhary
- Department of Pharmacology, Central University of Punjab, Bathinda 151401, India
- Department of Pharmacology, M.M. College of Pharmacy, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana 133207, India
| | - Randhir Singh
- Department of Pharmacology, Central University of Punjab, Bathinda 151401, India
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3
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Mahoney-Rafferty EC, Tucker HR, Akhtar K, Herlihy R, Audil A, Shah D, Gupta M, Kochman EM, Feustel PJ, Molho ES, Pilitsis JG, Shin DS. Assessing the Location, Relative Expression and Subclass of Dopamine Receptors in the Cerebellum of Hemi-Parkinsonian Rats. Neuroscience 2023; 521:1-19. [PMID: 37116741 DOI: 10.1016/j.neuroscience.2023.03.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 03/06/2023] [Accepted: 03/17/2023] [Indexed: 04/30/2023]
Abstract
Parkinson's Disease (PD) is a neurodegenerative disease with loss of dopaminergic neurons in the nigrostriatal pathway resulting in basal ganglia (BG) dysfunction. This is largely why much of the preclinical and clinical research has focused on pathophysiological changes in these brain areas in PD. The cerebellum is another motor area of the brain. Yet, if and how this brain area responds to PD therapy and contributes to maintaining motor function fidelity in the face of diminished BG function remains largely unanswered. Limited research suggests that dopaminergic signaling exists in the cerebellum with functional dopamine receptors, tyrosine hydroxylase (TH) and dopamine transporters (DATs); however, much of this information is largely derived from healthy animals and humans. Here, we identified the location and relative expression of dopamine 1 receptors (D1R) and dopamine 2 receptors (D2R) in the cerebellum of a hemi-parkinsonian male rat model of PD. D1R expression was higher in PD animals compared to sham animals in both hemispheres in the purkinje cell layer (PCL) and granule cell layer (GCL) of the cerebellar cortex. Interestingly, D2R expression was higher in PD animals than sham animals mostly in the posterior lobe of the PCL, but no discernible pattern of D2R expression was seen in the GCL between PD and sham animals. To our knowledge, we are the first to report these findings, which may lay the foundation for further interrogation of the role of the cerebellum in PD therapy and/or pathophysiology.
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Affiliation(s)
- Emily C Mahoney-Rafferty
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Avenue, Albany, NY 12208, USA
| | - Heidi R Tucker
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Avenue, Albany, NY 12208, USA
| | - Kainat Akhtar
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Avenue, Albany, NY 12208, USA
| | - Rachael Herlihy
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Avenue, Albany, NY 12208, USA
| | - Aliyah Audil
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Avenue, Albany, NY 12208, USA
| | - Dia Shah
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Avenue, Albany, NY 12208, USA
| | - Megan Gupta
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Avenue, Albany, NY 12208, USA
| | - Eliyahu M Kochman
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Avenue, Albany, NY 12208, USA
| | - Paul J Feustel
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Avenue, Albany, NY 12208, USA
| | - Eric S Molho
- Department of Neurology, Albany Medical College, 47 New Scotland Avenue, Albany, NY 12208, USA
| | - Julie G Pilitsis
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Avenue, Albany, NY 12208, USA; Department of Neurosurgery, Albany Medical College, 47 New Scotland Avenue, Albany, NY 12208, USA
| | - Damian S Shin
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Avenue, Albany, NY 12208, USA; Department of Neurology, Albany Medical College, 47 New Scotland Avenue, Albany, NY 12208, USA.
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4
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Chernov MM, Swan CB, Leiter JC. In Search of a Feedback Signal for Closed-Loop Deep Brain Stimulation: Stimulation of the Subthalamic Nucleus Reveals Altered Glutamate Dynamics in the Globus Pallidus in Anesthetized, 6-Hydroxydopamine-Treated Rats. BIOSENSORS 2023; 13:bios13040480. [PMID: 37185555 PMCID: PMC10137023 DOI: 10.3390/bios13040480] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 04/11/2023] [Accepted: 04/13/2023] [Indexed: 05/17/2023]
Abstract
Deep Brain Stimulation (DBS) of the subthalamic nucleus (STN) is a surgical procedure for alleviating motor symptoms of Parkinson's Disease (PD). The pattern of DBS (e.g., the electrode pairs used and the intensity of stimulation) is usually optimized by trial and error based on a subjective evaluation of motor function. We tested the hypotheses that DBS releases glutamate in selected basal ganglia nuclei and that the creation of 6-hydroxydopamine (6-OHDA)-induced nigrostriatal lesions alters glutamate release during DBS in those basal ganglia nuclei. We studied the relationship between a pseudo-random binary sequence of DBS and glutamate levels in the STN itself or in the globus pallidus (GP) in anesthetized, control, and 6-OHDA-treated rats. We characterized the stimulus-response relationships between DBS and glutamate levels using a transfer function estimated using System Identification. Stimulation of the STN elevated glutamate levels in the GP and in the STN. Although the 6-OHDA treatment did not affect glutamate dynamics in the STN during DBS in the STN, the transfer function between DBS in the STN and glutamate levels in the GP was significantly altered by the presence or absence of 6-OHDA-induced lesions. Thus, glutamate responses in the GP in the 6-OHDA-treated animals (but not in the STN) depended on dopaminergic inputs. For this reason, measuring glutamate levels in the GP may provide a useful feedback target in a closed-loop DBS device in patients with PD since the dynamics of glutamate release in the GP during DBS seem to reflect the loss of dopaminergic neurons in the SNc.
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Affiliation(s)
- Mykyta M Chernov
- Department of Molecular and Systems Biology, Geisel School of Medicine at Dartmouth Medical School, Hanover, NH 03755, USA
| | - Christina B Swan
- Department of Molecular and Systems Biology, Geisel School of Medicine at Dartmouth Medical School, Hanover, NH 03755, USA
| | - James C Leiter
- Department of Molecular and Systems Biology, Geisel School of Medicine at Dartmouth Medical School, Hanover, NH 03755, USA
- The White River Junction VA Medical Center, 215 N Main St, White River Junction, VT 05009, USA
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Ma YF, Lin YA, Huang CL, Hsu CC, Wang S, Yeh SR, Tsai YC. Lactiplantibacillus plantarum PS128 Alleviates Exaggerated Cortical Beta Oscillations and Motor Deficits in the 6-Hydroxydopamine Rat Model of Parkinson's Disease. Probiotics Antimicrob Proteins 2023; 15:312-325. [PMID: 34449056 DOI: 10.1007/s12602-021-09828-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/29/2021] [Indexed: 10/20/2022]
Abstract
Parkinson's disease (PD) is a neurodegenerative disorder characterized by midbrain dopaminergic neuronal loss and subsequent physical impairments. Levodopa manages symptoms best, while deep brain stimulation (DBS) is effective for advanced PD patients; however, side effects occur with the diminishing therapeutic window. Recently, Lactiplantibacillus plantarum PS128 (PS128) was found to elevate dopamine levels in rodent brains, suggesting its potential to prevent PD. Here, the therapeutic efficacy of PS128 was examined in the 6-hydroxydopamine rat PD model. Suppression of the power spectral density of beta oscillations (beta PSD) in the primary motor cortex (M1) was recorded as the indicator of disease progression. We found that 6 weeks of daily PS128 supplementation suppressed M1 beta PSD as well as did levodopa and DBS. Long-term normalization of M1 beta PSD was found in PS128-fed rats, whereas levodopa and DBS showed only temporal effects. PS128 + levodopa and PS128 + DBS exhibited better therapeutic effects than did levodopa + DBS or either alone. Significantly improved motor functions in PS128-fed rats were correlated with normalization of M1 beta PSD. Brain tissue analyses further demonstrated the role of PS128 in dopaminergic neuroprotection and the enhanced availability of neurotransmitters. These findings suggest that psychobiotic PS128 might be used alongside conventional therapies to treat PD patients.
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Affiliation(s)
- Yi-Fan Ma
- Biomedical Industry Ph.D. Program, National Yang Ming Chiao Tung University, Taipei, 112, Taiwan
- Microbiome Research Center, National Yang Ming Chiao Tung University, Taipei, 112, Taiwan
| | - Yi-An Lin
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, 300, Taiwan
- EzInstrument Technology Co., Ltd., Hsinchu, 300, Taiwan
| | - Chin-Lin Huang
- Microbiome Research Center, National Yang Ming Chiao Tung University, Taipei, 112, Taiwan
- Bened Biomedical Co., Ltd., Taipei, 104, Taiwan
| | | | - Sabrina Wang
- Institute of Anatomy and Cell Biology, National Yang Ming Chiao Tung University, Taipei, 112, Taiwan.
| | - Shih-Rung Yeh
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, 300, Taiwan.
| | - Ying-Chieh Tsai
- Biomedical Industry Ph.D. Program, National Yang Ming Chiao Tung University, Taipei, 112, Taiwan.
- Microbiome Research Center, National Yang Ming Chiao Tung University, Taipei, 112, Taiwan.
- Institute of Biochemistry and Molecular Biology, National Yang Ming Chiao Tung University, Taipei, 112, Taiwan.
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6
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Gan X, Ren J, Huang T, Wu K, Li S, Duan Y, Wang Z, Si W, Wei J. Pathological α-synuclein accumulation, CSF metabolites changes and brain microstructures in cynomolgus monkeys treated with 6-hydroxydopamine. Neurotoxicology 2023; 94:172-181. [PMID: 36476940 DOI: 10.1016/j.neuro.2022.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 10/18/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022]
Abstract
The lack of evidence indicating the accumulation of phosphorylated α-synuclein (P-α-syn), a neuropathological hallmark of Parkinson disease (PD), limits the application of 6-OHDA animal models. In cynomolgus monkeys received unilateral 6-hydroxydopamine (6-OHDA) injection, we identified nigrostriatal dysfunction related behavioral defects, such as the increase of PD score, decrease of locomotor activities, and exhibition of typical rotations. We found the dopaminergic neurons were significantly reduced and had fragmented morphology in substantia nigra (SN). Furthermore, insoluble P-α-syn aggregates were observed. The P-α-syn aggregates were extracellular distributed and had typical morphology of inclusion. Immunofluorescence staining showed that the P-α-syn colocalized with ubiquitin (Ub) and p62. We also found there were more actived astrocytes and microglial in SN and striatum, reflecting neuroinflammations increase in nigrostriatal pathway. At last, to determine the long-term consequence of dopamine (DA) neuron loss induced by 6-OHDA injection, the changes of cerebrospinal fluid (CSF) neurotransmitters over time as well as the brain microstructure alternations were examined. The dopamine-related metabolites were decreased after 6-OHDA injection reflecting dopaminergic neuron loss. The levels of γ-aminobutyric acid (GABA) and acetylcholine (Ach) showed an increasing trend but not significant. By diffusion tensor Magnetic Resonance Imaging (MRI) image scans, the fractional anisotropy (FA) value in the ipsilateral SN and caudate was found to reduce, which indicated neural fiber injury. Therefore, these results suggested that α-syn pathology might participate in process of 6-OHDA injuring DA neurons, and may expand the application of 6-OHDA monkeys on investigations into the pathogenesis of PD.
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Affiliation(s)
- Xue Gan
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China
| | - Jiahan Ren
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China
| | - Tianzhuang Huang
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China; Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan 650500, China
| | - Kunhua Wu
- Department of MRI, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan 650224, China
| | - Shulin Li
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China
| | - Yanchao Duan
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China; Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan 650500, China
| | - Zhengbo Wang
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China; Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan 650500, China
| | - Wei Si
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China; Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan 650500, China.
| | - Jingkuan Wei
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China; Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan 650500, China.
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7
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Zhou Y, Liu B, Lei Y, Tang L, Li T, Yu S, Zhang GJ, Li YT. Acupuncture Needle-Based Transistor Neuroprobe for In Vivo Monitoring of Neurotransmitter. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2204142. [PMID: 36344461 DOI: 10.1002/smll.202204142] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 10/27/2022] [Indexed: 06/16/2023]
Abstract
Chemical communication via neurotransmitters is central to brain functions. Nevertheless, in vivo real-time monitoring of neurotransmitters released in the brain, especially the electrochemically inactive molecules, remains a great challenge. In this work, a novel needle field-effect transistor (FET) microsensor based on an acupuncture needle is proposed, which is demonstrated to be capable of real-time monitoring dopamine molecules as well as neuropeptide Y in vivo. The FET microstructure is fabricated by successively wrapping an insulating layer and a gold layer on the top of the needle, where the needle and the Au served as the source and drain, respectively. After assembling reduced graphene oxide (RGO) between the source and drain electrodes, the specific aptamer is immobilized on the RGO, making this needle-FET biosensor highly selective and sensitive to real-time monitor neurotransmitters released from rat brain, even in a Parkinson's diseases model. Furthermore, the needle-FET biosensor is applied to detect a variety of targets including hormones, proteins, and nucleic acid. By constructing a FET sensing interface on an acupuncture needle and implanting the sensor in a rat's brain for in vivo detection, this work provides a new sight in the FET domain and further expands the species of real-time in vivo detection.
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Affiliation(s)
- Ying Zhou
- School of Laboratory Medicine, Hubei University of Chinese Medicine, 16 Huangjia Lake West Road, Wuhan, 430065, China
- Center for Clinical Laboratory, General Hospital of the Yangtze River Shipping, Wuhan Brain Hospital, Huiji Road, Wuhan, 430030, China
| | - Binzhu Liu
- School of Laboratory Medicine, Hubei University of Chinese Medicine, 16 Huangjia Lake West Road, Wuhan, 430065, China
| | - Yongmin Lei
- School of Laboratory Medicine, Hubei University of Chinese Medicine, 16 Huangjia Lake West Road, Wuhan, 430065, China
| | - Lina Tang
- School of Laboratory Medicine, Hubei University of Chinese Medicine, 16 Huangjia Lake West Road, Wuhan, 430065, China
| | - Tingxian Li
- School of Laboratory Medicine, Hubei University of Chinese Medicine, 16 Huangjia Lake West Road, Wuhan, 430065, China
| | - Shanshan Yu
- School of Laboratory Medicine, Hubei University of Chinese Medicine, 16 Huangjia Lake West Road, Wuhan, 430065, China
| | - Guo-Jun Zhang
- School of Laboratory Medicine, Hubei University of Chinese Medicine, 16 Huangjia Lake West Road, Wuhan, 430065, China
| | - Yu-Tao Li
- School of Laboratory Medicine, Hubei University of Chinese Medicine, 16 Huangjia Lake West Road, Wuhan, 430065, China
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8
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Fathi M, Vakili K, Yaghoobpoor S, Qadirifard MS, Kosari M, Naghsh N, Asgari taei A, Klegeris A, Dehghani M, Bahrami A, Taheri H, Mohamadkhani A, Hajibeygi R, Rezaei Tavirani M, Sayehmiri F. Pre-clinical Studies Identifying Molecular Pathways of Neuroinflammation in Parkinson's Disease: A Systematic Review. Front Aging Neurosci 2022; 14:855776. [PMID: 35912090 PMCID: PMC9327618 DOI: 10.3389/fnagi.2022.855776] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Accepted: 05/23/2022] [Indexed: 12/09/2022] Open
Abstract
Parkinson's disease (PD), the second most common neurodegenerative disorder, is characterized by neuroinflammation, formation of Lewy bodies, and progressive loss of dopaminergic neurons in the substantia nigra of the brain. In this review, we summarize evidence obtained by animal studies demonstrating neuroinflammation as one of the central pathogenetic mechanisms of PD. We also focus on the protein factors that initiate the development of PD and other neurodegenerative diseases. Our targeted literature search identified 40 pre-clinical in vivo and in vitro studies written in English. Nuclear factor kappa B (NF-kB) pathway is demonstrated as a common mechanism engaged by neurotoxins such as 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) and 6-hydroxydopamine (6-OHDA), as well as the bacterial lipopolysaccharide (LPS). The α-synuclein protein, which plays a prominent role in PD neuropathology, may also contribute to neuroinflammation by activating mast cells. Meanwhile, 6-OHDA models of PD identify microsomal prostaglandin E synthase-1 (mPGES-1) as one of the contributors to neuroinflammatory processes in this model. Immune responses are used by the central nervous system to fight and remove pathogens; however, hyperactivated and prolonged immune responses can lead to a harmful neuroinflammatory state, which is one of the key mechanisms in the pathogenesis of PD.
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Affiliation(s)
- Mobina Fathi
- Student Research Committee, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Kimia Vakili
- Student Research Committee, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shirin Yaghoobpoor
- Student Research Committee, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Sadegh Qadirifard
- Department of Nursing and Midwifery, Islamic Azad University, Tehran, Iran
- Department of Nursing, Garmsar Branch, Islamic Azad University, Garmsar, Iran
| | - Mohammadreza Kosari
- The First Clinical College, Wuhan Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Navid Naghsh
- Department of Pharmacy, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Afsaneh Asgari taei
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Andis Klegeris
- Department of Biology, Faculty of Science, University of British Columbia Okanagan Campus, Kelowna, BC, Canada
| | - Mina Dehghani
- School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ashkan Bahrami
- Faculty of Medicine, Kashan University of Medical Science, Kashan, Iran
| | - Hamed Taheri
- Dental School, Kazan Federal University, Kazan, Russia
| | - Ashraf Mohamadkhani
- Digestive Disease Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Ramtin Hajibeygi
- Department of Cardiology, Faculty of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Mostafa Rezaei Tavirani
- Proteomics Research Center, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- *Correspondence: Mostafa Rezaei Tavirani
| | - Fatemeh Sayehmiri
- Student Research Committee, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Fatemeh Sayehmiri
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9
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Paul S, Chakraborty S, Anand U, Dey S, Nandy S, Ghorai M, Saha SC, Patil MT, Kandimalla R, Proćków J, Dey A. Withania somnifera (L.) Dunal (Ashwagandha): A comprehensive review on ethnopharmacology, pharmacotherapeutics, biomedicinal and toxicological aspects. Biomed Pharmacother 2021; 143:112175. [PMID: 34649336 DOI: 10.1016/j.biopha.2021.112175] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 09/03/2021] [Accepted: 09/07/2021] [Indexed: 12/24/2022] Open
Abstract
Withania somnifera (L.) Dunal (Solanaceae) has been used as a traditional Rasayana herb for a long time. Traditional uses of this plant indicate its ameliorative properties against a plethora of human medical conditions, viz. hypertension, stress, diabetes, asthma, cancer etc. This review presents a comprehensive summary of the geographical distribution, traditional use, phytochemistry, and pharmacological activities of W. somnifera and its active constituents. In addition, it presents a detailed account of its presence as an active constituent in many commercial preparations with curative properties and health benefits. Clinical studies and toxicological considerations of its extracts and constituents are also elucidated. Comparative analysis of relevant in-vitro, in-vivo, and clinical investigations indicated potent bioactivity of W. somnifera extracts and phytochemicals as anti-cancer, anti-inflammatory, apoptotic, immunomodulatory, antimicrobial, anti-diabetic, hepatoprotective, hypoglycaemic, hypolipidemic, cardio-protective and spermatogenic agents. W. somnifera was found to be especially active against many neurological and psychological conditions like Parkinson's disease, Alzheimer's disease, Huntington's disease, ischemic stroke, sleep deprivation, amyotrophic lateral sclerosis, attention deficit hyperactivity disorder, bipolar disorder, anxiety, depression, schizophrenia and obsessive-compulsive disorder. The probable mechanism of action that imparts the pharmacological potential has also been explored. However, in-depth studies are needed on the clinical use of W. somnifera against human diseases. Besides, detailed toxicological analysis is also to be performed for its safe and efficacious use in preclinical and clinical studies and as a health-promoting herb.
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Affiliation(s)
- Subhabrata Paul
- School of Biotechnology, Presidency University (2nd Campus), Kolkata 700156, West Bengal, India
| | - Shreya Chakraborty
- Department of Life Sciences, Presidency University, 86/1 College Street, Kolkata 700073, West Bengal, India
| | - Uttpal Anand
- Department of Life Sciences, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Swarnali Dey
- Department of Botany, University of Calcutta, Kolkata 700019, West Bengal, India
| | - Samapika Nandy
- Department of Life Sciences, Presidency University, 86/1 College Street, Kolkata 700073, West Bengal, India
| | - Mimosa Ghorai
- Department of Life Sciences, Presidency University, 86/1 College Street, Kolkata 700073, West Bengal, India
| | - Suchismita Chatterjee Saha
- Department of Zoology, Nabadwip Vidyasagar College (Affiliated to the University of Kalyani), Nabadwip 741302, West Bengal, India
| | - Manoj Tukaram Patil
- Post Graduate Department of Botany, SNJB's KKHA Arts, SMGL Commerce and SPHJ Science College (Affiliated to Savitribai Phule Pune University), Chandwad, Nashik 423101, Maharashtra, India
| | - Ramesh Kandimalla
- CSIR-Indian Institute of Chemical Technology, Uppal Road, Tarnaka, Hyderabad 500007, Telangana, India; Department of Biochemistry, Kakatiya Medical College, Warangal-506007, Telangana, India
| | - Jarosław Proćków
- Department of Plant Biology, Institute of Environmental Biology, Wrocław University of Environmental and Life Sciences, Kożuchowska 5b, 51-631 Wrocław, Poland.
| | - Abhijit Dey
- Department of Life Sciences, Presidency University, 86/1 College Street, Kolkata 700073, West Bengal, India.
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10
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El-Gamal M, Salama M, Collins-Praino LE, Baetu I, Fathalla AM, Soliman AM, Mohamed W, Moustafa AA. Neurotoxin-Induced Rodent Models of Parkinson's Disease: Benefits and Drawbacks. Neurotox Res 2021; 39:897-923. [PMID: 33765237 DOI: 10.1007/s12640-021-00356-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 03/13/2021] [Accepted: 03/18/2021] [Indexed: 12/21/2022]
Abstract
Parkinson's disease (PD), the second most common neurodegenerative disorder, is characterized by cardinal motor impairments, including akinesia and tremor, as well as by a host of non-motor symptoms, including both autonomic and cognitive dysfunction. PD is associated with a death of nigral dopaminergic neurons, as well as the pathological spread of Lewy bodies, consisting predominantly of the misfolded protein alpha-synuclein. To date, only symptomatic treatments, such as levodopa, are available, and trials aiming to cure the disease, or at least halt its progression, have not been successful. Wong et al. (2019) suggested that the lack of effective therapy against neurodegeneration in PD might be attributed to the fact that the molecular mechanisms standing behind the dopaminergic neuronal vulnerability are still a major scientific challenge. Understanding these molecular mechanisms is critical for developing effective therapy. Thirty-five years ago, Calne and William Langston (1983) raised the question of whether biological or environmental factors precipitate the development of PD. In spite of great advances in technology and medicine, this question still lacks a clear answer. Only 5-15% of PD cases are attributed to a genetic mutation, with the majority of cases classified as idiopathic, which could be linked to exposure to environmental contaminants. Rodent models play a crucial role in understanding the risk factors and pathogenesis of PD. Additionally, well-validated rodent models are critical for driving the preclinical development of clinically translatable treatment options. In this review, we discuss the mechanisms, similarities and differences, as well as advantages and limitations of different neurotoxin-induced rat models of PD. In the second part of this review, we will discuss the potential future of neurotoxin-induced models of PD. Finally, we will briefly demonstrate the crucial role of gene-environment interactions in PD and discuss fusion or dual PD models. We argue that these models have the potential to significantly further our understanding of PD.
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Affiliation(s)
- Mohamed El-Gamal
- Toxicology Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt. .,Medical Experimental Research Center (MERC), Faculty of Medicine, Mansoura University, Mansoura, Egypt.
| | - Mohamed Salama
- Toxicology Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt.,Medical Experimental Research Center (MERC), Faculty of Medicine, Mansoura University, Mansoura, Egypt.,Global Brain Health Institute (GBHI), Trinity College Dublin (TCD), Dublin, Ireland
| | | | | | - Ahmed M Fathalla
- Department of Pharmacology, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
| | - Amira M Soliman
- Department of Pharmacology, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
| | - Wael Mohamed
- Clinical Pharmacology Department, Faculty of Medicine, Menoufia University, Mansoura, Egypt.,Department of Basic Medical Science, Kulliyyah of Medicine, International Islamic University, Kuantan, Pahang, Malaysia
| | - Ahmed A Moustafa
- School of Social Sciences and Psychology and Marcs Institute for Brain and Behaviour, Western Sydney University, Sydney, NSW, Australia.,Department of Human Anatomy and Physiology, the Faculty of Health Sciences, University of Johannesburg, Johannesburg, South Africa
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11
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Sinen O, Özkan A, Ağar A, Bülbül M. Neuropeptide-S prevents 6-OHDA-induced gastric dysmotility in rats. Brain Res 2021; 1762:147442. [PMID: 33753063 DOI: 10.1016/j.brainres.2021.147442] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 03/11/2021] [Accepted: 03/14/2021] [Indexed: 12/20/2022]
Abstract
This study aims to explore the effect of chronic central neuropeptide-S (NPS) treatment on gastrointestinal dysmotility and the changes of cholinergic neurons in the dorsal motor nucleus of the vagus (DMV) of a Parkinson's disease (PD) rat model. The PD model was induced through a unilateral medial forebrain bundle (MFB) administration of the 6-hydroxydopamine (6-OHDA). Locomotor activity (LMA), solid gastric emptying (GE), and gastrointestinal transit (GIT) were measured 7 days after the surgery. NPS was daily administered (1 nmol, icv, 7 days). In substantia nigra (SN), dorsal motor nucleus of the vagus (DMV), and gastric whole-mount samples, changes in tyrosine hydroxylase (TH), choline acetyltransferase (ChAT), neuronal nitric oxide synthase (nNOS), glial fibrillary acidic protein (GFAP), NPS receptor (NPSR), and alpha-synuclein (Ser129) were examined by immunohistochemistry. Cuprolinic blue staining was used to evaluate the number of neuronal cells in myenteric ganglia. The GIT rate, the total number of myenteric neurons, and the expressions of ChAT, nNOS, TH, and GFAP in the myenteric plexus were not changed in rats that received the 6-OHDA. Chronic NPS treatment reversed 6-OHDA-induced impairment of the motor performance, and GE, while preventing the loss of dopaminergic and cholinergic neurons in SN and DMV, respectively. NPS attenuated 6-OHDA-induced α-syn (Ser129) pathology both in SN and DMV. Additionally, expression of NPSR protein was detected in gastro-projecting cells in DMV. Taken together, centrally applied NPS seems to prevent 6-OHDA-induced gastric dysmotility through a neuroprotective action on central vagal circuitry.
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Affiliation(s)
- Osman Sinen
- Department of Physiology, Akdeniz University, Medical School, Antalya, Turkey
| | - Ayşe Özkan
- Department of Physiology, Akdeniz University, Medical School, Antalya, Turkey
| | - Aysel Ağar
- Department of Physiology, Akdeniz University, Medical School, Antalya, Turkey
| | - Mehmet Bülbül
- Department of Physiology, Akdeniz University, Medical School, Antalya, Turkey.
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12
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Effects of L-DOPA on Gene Expression in the Frontal Cortex of Rats with Unilateral Lesions of Midbrain Dopaminergic Neurons. eNeuro 2021; 8:ENEURO.0234-20.2020. [PMID: 33257528 PMCID: PMC7877460 DOI: 10.1523/eneuro.0234-20.2020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 10/15/2020] [Accepted: 11/11/2020] [Indexed: 11/21/2022] Open
Abstract
The development of Parkinson’s disease (PD) causes dysfunction of the frontal cortex, which contributes to the hallmark motor symptoms and is regarded as one of the primary causes of the affective and cognitive impairments observed in PD. Treatment with L-3,4-dihydroxyphenylalanine (L-DOPA) alleviates motor symptoms but has mixed efficacy in restoring normal cognitive functions, which is further complicated by the psychoactive effects of the drug. We investigated how L-DOPA affects gene expression in the frontal cortex in an animal model of unilateral PD. We performed RNA sequencing (RNA-Seq) analysis of gene expression in the frontal cortex of rats with 6-hydroxydopamine (6-OHDA)-induced unilateral dopaminergic lesions treated with L-DOPA, for two weeks. The analysis of variance identified 48 genes with a significantly altered transcript abundance after L-DOPA treatment. We also performed a weighted gene coexpression network analysis (WGCNA), which resulted in the detection of five modules consisting of genes with similar expression patterns. The analyses led to three primary observations. First, the changes in gene expression induced by L-DOPA were bilateral, although only one hemisphere was lesioned. Second, the changes were not restricted to neurons but also appeared to affect immune or endothelial cells. Finally, comparisons with databases of drug-induced gene expression signatures revealed multiple nonspecific effects, indicating that a part of the observed response is a common pattern activated by multiple types of drugs in different target tissues. Taken together, our results identify cellular mechanisms in the frontal cortex that are involved in the response to L-DOPA treatment.
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13
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Maegawa H, Niwa H. Generation of Mitochondrial Toxin Rodent Models of Parkinson's Disease Using 6-OHDA , MPTP , and Rotenone. Methods Mol Biol 2021; 2322:95-110. [PMID: 34043196 DOI: 10.1007/978-1-0716-1495-2_10] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Several animal models are employed to discover novel treatments for the symptoms of Parkinson's disease (PD). PD models can be divided into two models: neurotoxin models and genetic models. Among neurotoxins to produce PD models, 6-hydroxydopamine (6-OHDA), 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), and rotenone, which inhibit the mitochondrial complex I, are widely used. Animal models of PD using these neurotoxins are also known as mitochondrial toxin models. Here this chapter describes the preparation of these mitochondrial toxin models.
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Affiliation(s)
- Hiroharu Maegawa
- Department of Dental Anesthesia, Osaka University Graduate School of Dentistry, Osaka, Japan.
| | - Hitoshi Niwa
- Department of Dental Anesthesia, Osaka University Graduate School of Dentistry, Osaka, Japan
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14
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Vijayanathan Y, Lim SM, Tan MP, Lim FT, Majeed ABA, Ramasamy K. Adult Endogenous Dopaminergic Neuroregeneration Against Parkinson's Disease: Ideal Animal Models? Neurotox Res 2020; 39:504-532. [PMID: 33141428 DOI: 10.1007/s12640-020-00298-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 10/12/2020] [Accepted: 10/13/2020] [Indexed: 11/24/2022]
Abstract
Parkinson's disease (PD) is the second most common neurodegenerative disease. The etiology of PD remains an enigma with no available disease modifying treatment or cure. Pharmacological compensation is the only quality of life improving treatments available. Endogenous dopaminergic neuroregeneration has recently been considered a plausible therapeutic strategy for PD. However, researchers have to first decipher the complexity of adult endogenous neuroregeneration. This raises the need of animal models to understand the underlying molecular basis. Mammalian models with highly conserved genetic homology might aid researchers to identify specific molecular mechanisms. However, the scarcity of adult neuroregeneration potential in mammals obfuscates such investigations. Nowadays, non-mammalian models are gaining popularity due to their explicit ability to neuroregenerate naturally without the need of external enhancements, yet these non-mammals have a much diverse gene homology that critical molecular signals might not be conserved across species. The present review highlights the advantages and disadvantages of both mammalian and non-mammalian animal models that can be essentially used to study the potential of endogenous DpN regeneration against PD.
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Affiliation(s)
- Yuganthini Vijayanathan
- Collaborative Drug Discovery Research (CDDR) Group and Brain Degeneration and Therapeutics Group, Faculty of Pharmacy, Universiti Teknologi MARA (UiTM) Cawangan Selangor, Kampus Puncak Alam, 42300, Bandar Puncak Alam, Selangor Darul Ehsan, Malaysia.,Department of Medicine, Faculty of Medicine, Universiti Malaya, 50603, Kuala Lumpur, Malaysia
| | - Siong Meng Lim
- Collaborative Drug Discovery Research (CDDR) Group and Brain Degeneration and Therapeutics Group, Faculty of Pharmacy, Universiti Teknologi MARA (UiTM) Cawangan Selangor, Kampus Puncak Alam, 42300, Bandar Puncak Alam, Selangor Darul Ehsan, Malaysia
| | - Maw Pin Tan
- Department of Medicine, Faculty of Medicine, Universiti Malaya, 50603, Kuala Lumpur, Malaysia
| | - Fei Ting Lim
- Collaborative Drug Discovery Research (CDDR) Group and Brain Degeneration and Therapeutics Group, Faculty of Pharmacy, Universiti Teknologi MARA (UiTM) Cawangan Selangor, Kampus Puncak Alam, 42300, Bandar Puncak Alam, Selangor Darul Ehsan, Malaysia
| | - Abu Bakar Abdul Majeed
- Collaborative Drug Discovery Research (CDDR) Group and Brain Degeneration and Therapeutics Group, Faculty of Pharmacy, Universiti Teknologi MARA (UiTM) Cawangan Selangor, Kampus Puncak Alam, 42300, Bandar Puncak Alam, Selangor Darul Ehsan, Malaysia
| | - Kalavathy Ramasamy
- Collaborative Drug Discovery Research (CDDR) Group and Brain Degeneration and Therapeutics Group, Faculty of Pharmacy, Universiti Teknologi MARA (UiTM) Cawangan Selangor, Kampus Puncak Alam, 42300, Bandar Puncak Alam, Selangor Darul Ehsan, Malaysia.
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15
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Tang J, Xu Y, Liu C, Fang Y, Cao S, Zhao C, Huang H, Zou M, Chen Z. PET imaging with [18F]FP-(+)-DTBZ in 6-OHDA-induced partial and full unilaterally-lesioned model rats of Parkinson's disease and the correlations to the biological data. Nucl Med Biol 2020; 90-91:1-9. [DOI: 10.1016/j.nucmedbio.2020.08.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 06/19/2020] [Accepted: 08/13/2020] [Indexed: 10/23/2022]
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16
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Prasad EM, Hung SY. Behavioral Tests in Neurotoxin-Induced Animal Models of Parkinson's Disease. Antioxidants (Basel) 2020; 9:E1007. [PMID: 33081318 PMCID: PMC7602991 DOI: 10.3390/antiox9101007] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 09/21/2020] [Accepted: 09/22/2020] [Indexed: 02/06/2023] Open
Abstract
Currently, neurodegenerative diseases are a major cause of disability around the world. Parkinson's disease (PD) is the second-leading cause of neurodegenerative disorder after Alzheimer's disease. In PD, continuous loss of dopaminergic neurons in the substantia nigra causes dopamine depletion in the striatum, promotes the primary motor symptoms of resting tremor, bradykinesia, muscle rigidity, and postural instability. The risk factors of PD comprise environmental toxins, drugs, pesticides, brain microtrauma, focal cerebrovascular injury, aging, and hereditary defects. The pathologic features of PD include impaired protein homeostasis, mitochondrial dysfunction, nitric oxide, and neuroinflammation, but the interaction of these factors contributing to PD is not fully understood. In neurotoxin-induced PD models, neurotoxins, for instance, 6-hydroxydopamine (6-OHDA), 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), 1-Methyl-4-phenylpyridinium (MPP+), paraquat, rotenone, and permethrin mainly impair the mitochondrial respiratory chain, activate microglia, and generate reactive oxygen species to induce autooxidation and dopaminergic neuronal apoptosis. Since no current treatment can cure PD, using a suitable PD animal model to evaluate PD motor symptoms' treatment efficacy and identify therapeutic targets and drugs are still needed. Hence, the present review focuses on the latest scientific developments in different neurotoxin-induced PD animal models with their mechanisms of pathogenesis and evaluation methods of PD motor symptoms.
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Affiliation(s)
- E. Maruthi Prasad
- Graduate Institute of Acupuncture Science, College of Chinese Medicine, China Medical University, No.91, Hsueh-Shih Road, Taichung 40402, Taiwan;
| | - Shih-Ya Hung
- Graduate Institute of Acupuncture Science, College of Chinese Medicine, China Medical University, No.91, Hsueh-Shih Road, Taichung 40402, Taiwan;
- Department of Medical Research, China Medical University Hospital, No. 2, Yude Road, Taichung 40447, Taiwan
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17
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Airavaara M, Parkkinen I, Konovalova J, Albert K, Chmielarz P, Domanskyi A. Back and to the Future: From Neurotoxin-Induced to Human Parkinson's Disease Models. ACTA ACUST UNITED AC 2020; 91:e88. [PMID: 32049438 DOI: 10.1002/cpns.88] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Parkinson's disease (PD) is an age-related neurodegenerative disorder characterized by motor symptoms such as tremor, slowness of movement, rigidity, and postural instability, as well as non-motor features like sleep disturbances, loss of ability to smell, depression, constipation, and pain. Motor symptoms are caused by depletion of dopamine in the striatum due to the progressive loss of dopamine neurons in the substantia nigra pars compacta. Approximately 10% of PD cases are familial arising from genetic mutations in α-synuclein, LRRK2, DJ-1, PINK1, parkin, and several other proteins. The majority of PD cases are, however, idiopathic, i.e., having no clear etiology. PD is characterized by progressive accumulation of insoluble inclusions, known as Lewy bodies, mostly composed of α-synuclein and membrane components. The cause of PD is currently attributed to cellular proteostasis deregulation and mitochondrial dysfunction, which are likely interdependent. In addition, neuroinflammation is present in brains of PD patients, but whether it is the cause or consequence of neurodegeneration remains to be studied. Rodents do not develop PD or PD-like motor symptoms spontaneously; however, neurotoxins, genetic mutations, viral vector-mediated transgene expression and, recently, injections of misfolded α-synuclein have been successfully utilized to model certain aspects of the disease. Here, we critically review the advantages and drawbacks of rodent PD models and discuss approaches to advance pre-clinical PD research towards successful disease-modifying therapy. © 2020 The Authors.
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Affiliation(s)
- Mikko Airavaara
- Neuroscience Center, HiLIFE, University of Helsinki, Helsinki, Finland
| | - Ilmari Parkkinen
- Neuroscience Center, HiLIFE, University of Helsinki, Helsinki, Finland
| | - Julia Konovalova
- Institute of Biotechnology, HiLIFE, University of Helsinki, Helsinki, Finland
| | - Katrina Albert
- Department of Clinical Neurosciences, University of Cambridge, Cambridge, United Kingdom
| | - Piotr Chmielarz
- Department of Brain Biochemistry, Maj Institute of Pharmacology, Polish Academy of Sciences, Krakow, Poland
| | - Andrii Domanskyi
- Institute of Biotechnology, HiLIFE, University of Helsinki, Helsinki, Finland
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18
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Harsanyiova J, Buday T, Kralova Trancikova A. Parkinson's Disease and the Gut: Future Perspectives for Early Diagnosis. Front Neurosci 2020; 14:626. [PMID: 32625058 PMCID: PMC7313629 DOI: 10.3389/fnins.2020.00626] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 05/19/2020] [Indexed: 12/11/2022] Open
Abstract
Parkinson's disease (PD) is a neurodegenerative disease characterized by progressive degeneration of dopaminergic neurons, and at the cellular level by the formation of Lewy bodies in the central nervous system (CNS). However, the onset of the disease is believed to be localized to peripheral organs, particularly the gastrointestinal tract (GIT) and the olfactory bulb sooner before neuropathological changes occur in the CNS. Patients already in the pre-motor stage of PD suffer from various digestive problems and/or due to significant changes in the composition of the intestinal microbiome in this early stage of the disease. Detailed analyses of patient biopsies and autopsies as well as animal models of neuropathological changes characteristic of PD provided important information on the pathology or treatment of PD symptoms. However, presently is not clarified (i) the specific tissue in the GIT where the pathological processes associated with PD is initiated; (ii) the mechanism by which these processes are disseminated to the CNS or other tissues within the GIT; and (iii) which neuropathological changes could also serve as a reliable diagnostic marker of the premotor stages of PD, or (iv) which type of GIT tissue would be the most appropriate choice for routine examination of patient biopsies.
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Affiliation(s)
- Jana Harsanyiova
- Departmet of Pahophysiology, Jessenius Faculty of Medicine in Martin, Comenius University, Bratislava, Slovakia
| | - Tomas Buday
- Departmet of Pahophysiology, Jessenius Faculty of Medicine in Martin, Comenius University, Bratislava, Slovakia
| | - Alzbeta Kralova Trancikova
- Biomedical Center Martin, Jessenius Faculty of Medicine in Martin, Comenius University, Bratislava, Slovakia
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19
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Cabral LM, Moreira TS, Takakura AC, Falquetto B. Attenuated baroreflex in a Parkinson's disease animal model coincides with impaired activation of non-C1 neurons. Auton Neurosci 2020; 225:102655. [PMID: 32092676 DOI: 10.1016/j.autneu.2020.102655] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 12/12/2019] [Accepted: 02/14/2020] [Indexed: 02/07/2023]
Abstract
Orthostatic hypotension is one of the most common symptoms observed in Parkinson's disease (PD), a neurodegenerative disease caused by death of dopaminergic neurons in the substantia nigra pars compacta (SNc), and it is associated with denervation of the heart and impairment of the baroreflex. Here, we aimed to investigate if the impaired baroreflex was associated with lower activation of cardiovascular brainstem areas in a 6-hydroxydopamine (6-OHDA) animal model of PD. The PD model was generated with male Wistar rats by injection of 6-OHDA or vehicle into the striatum. After 20 or 60 days, the femoral vein and artery were cannulated to assess cardiovascular parameters during injection of sodium nitroprusside (SNP) or phenylephrine (Phe). Brainstem slices were submitted to immunohistochemistry and immunofluorescence. After 6-OHDA injection, 75% of the dopaminergic neurons in the SNc were absent, confirming establishment of the PD model. Intravenous (iv) injection of SNP generated reduced hypotension and tachycardia response, and the noncatecholaminergic (nonC1) neurons of the rostral ventrolateral medulla (RVLM) were less activated. Additionally, iv injection of Phe increased blood pressure and bradycardia to the same extent and activated equivalent numbers of neurons in the nucleus of the solitary tract and the caudal ventrolateral medulla as well as cholinergic neurons of the dorsal motor nucleus of the vagus and the nucleus ambiguus between control and PD animals. In summary, these data showed that in the PD model, impairment of cardiovascular autonomic control was observed only during deactivation of the baroreflex, which could be related to reduced activation of non-C1 neurons within the RVLM.
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Affiliation(s)
- Laís M Cabral
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, 05508-000 São Paulo, Brazil
| | - Thiago S Moreira
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of São Paulo, 05508-000 São Paulo, Brazil
| | - Ana C Takakura
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, 05508-000 São Paulo, Brazil.
| | - Bárbara Falquetto
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, 05508-000 São Paulo, Brazil.
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20
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Rosa I, Di Censo D, Ranieri B, Di Giovanni G, Scarnati E, Alecci M, Galante A, Florio TM. Comparison between Tail Suspension Swing Test and Standard Rotation Test in Revealing Early Motor Behavioral Changes and Neurodegeneration in 6-OHDA Hemiparkinsonian Rats. Int J Mol Sci 2020; 21:ijms21082874. [PMID: 32326015 PMCID: PMC7216013 DOI: 10.3390/ijms21082874] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 04/07/2020] [Accepted: 04/16/2020] [Indexed: 12/25/2022] Open
Abstract
The unilateral 6-hydroxydopamine (6-OHDA) model of Parkinson’s disease (PD) is one of the most commonly used in rodents. The anatomical, metabolic, and behavioral changes that occur after severe and stable 6-OHDA lesions have been extensively studied. Here, we investigated whether early motor behavioral deficits can be observed in the first week after the injection of 6-OHDA into the right substantia nigra pars compacta (SNc), and if they were indicative of the severity of the dopaminergic (DAergic) lesion in the SNc and the striatum at different time-points (day 1, 3, 5, 7, 14, 21). With this aim, we used our newly modified tail suspension swing test (TSST), the standard rotation test (RT), and immunohistochemical staining for tyrosine hydroxylase (TH). The TSST, but not the standard RT, revealed a spontaneous motor bias for the 6-OHDA-lesioned rats from the day 1 post-surgery. Both tests detected the motor asymmetry induced by (single and repeated) apomorphine (APO) challenges that correlated, in the first week, with the DAergic neuronal degeneration. The described TSST is fast and easy to perform, and in the drug-free condition is useful for the functional assessment of early motor asymmetry appearing after the 6-OHDA-lesion in the SNc, without the confounding effect of APO challenges.
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Affiliation(s)
- Ilaria Rosa
- Department of Life, Health and Environmental Sciences (MESVA), University of L’Aquila, 67100 L’Aquila, Italy; (D.D.C.); (B.R.); (M.A.); (A.G.); (T.M.F.)
- Correspondence: (I.R.); (G.D.G.)
| | - Davide Di Censo
- Department of Life, Health and Environmental Sciences (MESVA), University of L’Aquila, 67100 L’Aquila, Italy; (D.D.C.); (B.R.); (M.A.); (A.G.); (T.M.F.)
| | - Brigida Ranieri
- Department of Life, Health and Environmental Sciences (MESVA), University of L’Aquila, 67100 L’Aquila, Italy; (D.D.C.); (B.R.); (M.A.); (A.G.); (T.M.F.)
| | - Giuseppe Di Giovanni
- Department of Life, Health and Environmental Sciences (MESVA), University of L’Aquila, 67100 L’Aquila, Italy; (D.D.C.); (B.R.); (M.A.); (A.G.); (T.M.F.)
- Laboratory of Neurophysiology, Department of Physiology and Biochemistry, Faculty of Medicine and Surgery, University of Malta, Msida MSD 2080, Malta
- Correspondence: (I.R.); (G.D.G.)
| | - Eugenio Scarnati
- Department of Biotechnological and Applied Clinical Sciences (DISCAB), University of L’Aquila, 67100 L’Aquila, Italy;
| | - Marcello Alecci
- Department of Life, Health and Environmental Sciences (MESVA), University of L’Aquila, 67100 L’Aquila, Italy; (D.D.C.); (B.R.); (M.A.); (A.G.); (T.M.F.)
- National Institute of Nuclear Physics, Gran Sasso National Laboratories, Assergi, 67100 L’Aquila, Italy
- SPIN-CNR Institute, Department of Physical and Chemical Sciences, 67100 L’Aquila, Italy
| | - Angelo Galante
- Department of Life, Health and Environmental Sciences (MESVA), University of L’Aquila, 67100 L’Aquila, Italy; (D.D.C.); (B.R.); (M.A.); (A.G.); (T.M.F.)
- National Institute of Nuclear Physics, Gran Sasso National Laboratories, Assergi, 67100 L’Aquila, Italy
- SPIN-CNR Institute, Department of Physical and Chemical Sciences, 67100 L’Aquila, Italy
| | - Tiziana Marilena Florio
- Department of Life, Health and Environmental Sciences (MESVA), University of L’Aquila, 67100 L’Aquila, Italy; (D.D.C.); (B.R.); (M.A.); (A.G.); (T.M.F.)
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21
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Historical Perspective: Models of Parkinson's Disease. Int J Mol Sci 2020; 21:ijms21072464. [PMID: 32252301 PMCID: PMC7177377 DOI: 10.3390/ijms21072464] [Citation(s) in RCA: 161] [Impact Index Per Article: 40.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 03/30/2020] [Accepted: 03/30/2020] [Indexed: 01/02/2023] Open
Abstract
Parkinson’s disease (PD) is the most common movement disorder with motor and nonmotor signs. The current therapeutic regimen for PD is mainly symptomatic as the etio-pathophysiology has not been fully elucidated. A variety of animal models has been generated to study different aspects of the disease for understanding the pathogenesis and therapeutic development. The disease model can be generated through neurotoxin-based or genetic-based approaches in a wide range of animals such as non-human primates (NHP), rodents, zebrafish, Caenorhabditis (C.) elegans, and drosophila. Cellular-based disease model is frequently used because of the ease of manipulation and suitability for large-screen assays. In neurotoxin-induced models, chemicals such as 6-hydroxydopamine (6-OHDA), 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), rotenone, and paraquat are used to recapitulate the disease. Genetic manipulation of PD-related genes, such as α-Synuclein(SNCA), Leucine-rich repeat kinase 2 (LRRK2), Pten-Induced Kinase 1 (PINK1), Parkin(PRKN), and Protein deglycase (DJ-1) Are used in the transgenic models. An emerging model that combines both genetic- and neurotoxin-based methods has been generated to study the role of the immune system in the pathogenesis of PD. Here, we discuss the advantages and limitations of the different PD models and their utility for different research purposes.
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Long-Term Treatment with Fluvoxamine Decreases Nonmotor Symptoms and Dopamine Depletion in a Postnatal Stress Rat Model of Parkinson's Disease. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:1941480. [PMID: 32273939 PMCID: PMC7114775 DOI: 10.1155/2020/1941480] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 02/28/2020] [Accepted: 03/09/2020] [Indexed: 02/07/2023]
Abstract
Nonmotor symptoms (NMS) such as anxiety, depression, and cognitive deficits are frequently observed in Parkinson's disease (PD) and precede the onset of motor symptoms by years. We have recently explored the short-term effects of Fluvoxamine, a selective serotonin reuptake inhibitor (SSRI) on dopaminergic neurons in a parkinsonian rat model. Here, we report the long-term effects of Fluvoxamine, on early-life stress-induced changes in the brain and behavior. We specifically evaluated the effects of Fluvoxamine on brain mechanisms that contribute to NMS associated with PD in a unilateral 6-hydroxydopamine-lesioned rat model. A 14-day early postnatal maternal separation protocol was applied to model early-life stress followed by unilateral intracerebral infusion of 6-hydroxydopamine (6-OHDA) to model aspects of parkinsonism in rats. The anxiolytic, antidepressant, and cognitive effects of Fluvoxamine were confirmed using the elevated plus-maze (EPM) test, sucrose preference test (SPT), and Morris water maze (MWM) test. Further to that, our results showed that animals exposed to early-life stress displayed increased plasma corticosterone and malondialdehyde (MDA) levels which were attenuated by Fluvoxamine treatment. A 6-OHDA lesion effect was evidenced by impairment in the limb-use asymmetry test as well as decreased dopamine (DA) and serotonin levels in the striatum, prefrontal cortex, and hippocampus. These effects were surprisingly attenuated by Fluvoxamine treatment in all treated rats. This study is the first to suggest that early and long-term treatment of neuropsychological diseases with Fluvoxamine may decrease the vulnerability of dopaminergic neurons that degenerate in the course of PD.
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Costa IM, Lima FOV, Fernandes LCB, Norrara B, Neta FI, Alves RD, Cavalcanti JRLP, Lucena EES, Cavalcante JS, Rego ACM, Filho IA, Queiroz DB, Freire MAM, Guzen FP. Astragaloside IV Supplementation Promotes A Neuroprotective Effect in Experimental Models of Neurological Disorders: A Systematic Review. Curr Neuropharmacol 2020; 17:648-665. [PMID: 30207235 PMCID: PMC6712289 DOI: 10.2174/1570159x16666180911123341] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 08/10/2018] [Accepted: 08/28/2018] [Indexed: 01/22/2023] Open
Abstract
Background: Neurological disorders constitute a growing worldwide concern due to the progressive aging of the population and the risky behavior they represent. Herbal medicines have scientific relevance in the treatment of these pathol-ogies. One of these substances, Astragaloside IV (AS-IV), is the main active compound present in the root of Astragalus membranaceus (Fisch.) Bge, a Chinese medicinal herb with neuroprotective properties. Objective: In the present study we performed a systematic review that sought to comprehend the neuroprotective effect pre-sented by AS-IV in experimental models of neurological disorders. Method: This study is a systematic review, where an electronic search in United States National Library of Medicine (Pub-Med), Science Direct, Cochrane Library, Scientific Electronic Library Online (SciELO), Scopus, Web of Science, Medline via Proquest and Periodicos Capes databases covering the years between 2007 and 2017, using “Astragaloside IV” and “Neurodegenerative diseases”; “Astragaloside IV” and “ Neurological disorders” as reference terms was made. Results: A total of 16 articles were identified, in which the efficacy of AS-IV was described in experimental models of Par-kinson’s disease, Alzheimer’s disease, cerebral ischemia and autoimmune encephalomyelitis, by improving motor deficits and/or neurochemical activity, especially antioxidant systems, reducing inflammation and oxidative stress. Conclusion: The findings of the present study indicate that the administration of AS-IV can improve behavioral and neuro-chemical deficits largely due to its antioxidant, antiapoptotic and anti-inflammatory properties, emerging as an alternative therapeutic approach for the treatment of neurological disorders.
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Affiliation(s)
- Ianara M Costa
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, University of the State of Rio Grande do Norte (UERN), Mossoro/RN, Brazil
| | - Francisca O V Lima
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, University of the State of Rio Grande do Norte (UERN), Mossoro/RN, Brazil
| | - Luciana C B Fernandes
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, University of the State of Rio Grande do Norte (UERN), Mossoro/RN, Brazil
| | - Bianca Norrara
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, University of the State of Rio Grande do Norte (UERN), Mossoro/RN, Brazil
| | - Francisca I Neta
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, University of the State of Rio Grande do Norte (UERN), Mossoro/RN, Brazil
| | - Rodrigo D Alves
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, University of the State of Rio Grande do Norte (UERN), Mossoro/RN, Brazil
| | - José R L P Cavalcanti
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, University of the State of Rio Grande do Norte (UERN), Mossoro/RN, Brazil
| | - Eudes E S Lucena
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, University of the State of Rio Grande do Norte (UERN), Mossoro/RN, Brazil
| | - Jeferson S Cavalcante
- Laboratory of Neurochemical Studies, Center of Biological Sciences, Federal University of Rio Grande do Norte (UFRN), Natal/RN, Brazil
| | - Amalia C M Rego
- Post Graduation Program in Biotechnology, Health School, Potiguar University (UnP), Natal/RN, Brazil
| | - Irami A Filho
- Post Graduation Program in Biotechnology, Health School, Potiguar University (UnP), Natal/RN, Brazil
| | - Dinalva B Queiroz
- Post Graduation Program in Biotechnology, Health School, Potiguar University (UnP), Natal/RN, Brazil
| | - Marco A M Freire
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, University of the State of Rio Grande do Norte (UERN), Mossoro/RN, Brazil
| | - Fausto P Guzen
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, University of the State of Rio Grande do Norte (UERN), Mossoro/RN, Brazil.,Post Graduation Program in Biotechnology, Health School, Potiguar University (UnP), Natal/RN, Brazil
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Liu Y, Liu J, Jiao SR, Liu X, Guo Y, Zhang J, Yang J, Xie W, Wang HS, Zhang L. Serotonin1A receptors in the dorsal hippocampus regulate working memory and long-term habituation in the hemiparkinsonian rats. Behav Brain Res 2019; 376:112207. [DOI: 10.1016/j.bbr.2019.112207] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2019] [Revised: 08/30/2019] [Accepted: 08/30/2019] [Indexed: 12/12/2022]
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Animal Models for Parkinson's Disease Research: Trends in the 2000s. Int J Mol Sci 2019; 20:ijms20215402. [PMID: 31671557 PMCID: PMC6862023 DOI: 10.3390/ijms20215402] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 10/25/2019] [Accepted: 10/28/2019] [Indexed: 12/21/2022] Open
Abstract
Parkinson’s disease (PD) is a chronic and progressive movement disorder and the second most common neurodegenerative disease. Although many studies have been conducted, there is an unmet clinical need to develop new treatments because, currently, only symptomatic therapies are available. To achieve this goal, clarification of the pathology is required. Attempts have been made to emulate human PD and various animal models have been developed over the decades. Neurotoxin models have been commonly used for PD research. Recently, advances in transgenic technology have enabled the development of genetic models that help to identify new approaches in PD research. However, PD animal model trends have not been investigated. Revealing the trends for PD research will be valuable for increasing our understanding of the positive and negative aspects of each model. In this article, we clarified the trends for animal models that were used to research PD in the 2000s, and we discussed each model based on these trends.
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Ateba SB, Mvondo MA, Djiogue S, Zingué S, Krenn L, Njamen D. A Pharmacological Overview of Alpinumisoflavone, a Natural Prenylated Isoflavonoid. Front Pharmacol 2019; 10:952. [PMID: 31551770 PMCID: PMC6746831 DOI: 10.3389/fphar.2019.00952] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 07/26/2019] [Indexed: 12/29/2022] Open
Abstract
Over the last decade, several studies demonstrated that prenylation of flavonoids enhances various biological activities as compared to the respective nonprenylated compounds. In line with this, the natural prenylated isoflavonoid alpinumisoflavone (AIF) has been explored for a number of biological and pharmacological effects (therapeutic potential). In this review, we summarize the current information on health-promoting properties of AIF. Reported data evidenced that AIF has a multitherapeutic potential with antiosteoporotic, antioxidant and anti-inflammatory, antimicrobial, anticancer, estrogenic and antiestrogenic, antidiabetic, and neuroprotective properties. However, research on these aspects of AIF is not sufficient and needs to be reevaluated using more appropriate methods and methodology. Further series of studies are needed to confirm these pharmacological effects, and this review should lay the basis for the design of respective investigations. Overall, despite the drawbacks of studies recorded, AIF exhibits a potential as drug candidate.
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Affiliation(s)
- Sylvin Benjamin Ateba
- Laboratory of Animal Physiology, Department of Animal Biology and Physiology, Faculty of Science, University of Yaoundé I, Yaoundé, Cameroon
| | - Marie Alfrede Mvondo
- Research Unit of Animal Physiology and Phytopharmacology, Department of Animal Biology, Faculty of Science, University of Dschang, Dschang, Cameroon
| | - Sefirin Djiogue
- Laboratory of Animal Physiology, Department of Animal Biology and Physiology, Faculty of Science, University of Yaoundé I, Yaoundé, Cameroon
| | - Stéphane Zingué
- Department of Life and Earth Sciences, Higher Teachers’ Training College, University of Maroua, Maroua, Cameroon
| | - Liselotte Krenn
- Department of Pharmacognosy, University of Vienna, Vienna, Austria
| | - Dieudonné Njamen
- Laboratory of Animal Physiology, Department of Animal Biology and Physiology, Faculty of Science, University of Yaoundé I, Yaoundé, Cameroon
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Pišlar A, Tratnjek L, Glavan G, Živin M, Kos J. Upregulation of Cysteine Protease Cathepsin X in the 6-Hydroxydopamine Model of Parkinson's Disease. Front Mol Neurosci 2018; 11:412. [PMID: 30450037 PMCID: PMC6225071 DOI: 10.3389/fnmol.2018.00412] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Accepted: 10/24/2018] [Indexed: 12/11/2022] Open
Abstract
Parkinson’s disease (PD) is a neurodegenerative disorder characterized by loss of midbrain dopaminergic neurons in the substantia nigra pars compacta (SNc). In vitro, a contribution to neuroinflammation and neurotoxicity has been shown for the lysosomal protease cathepsin X; however, its expression and its role in PD remain unknown. Therefore, the current study was designed to address the regional, cellular, and subcellular localization and activity of cathepsin X in hemi-parkinsonian rats with 6-hydroxydopamine (6-OHDA)-induced excitotoxicity in the unilateral medial forebrain bundle (MFB) lesion. We report for the first time that cathepsin X expression and activity are rapidly increased in the ipsilateral SNc after injection of 6-OHDA into the MFB reaching a maximum after 12 h but seem to stay strongly upregulated after 4 weeks after injection. At early time points of 6-OHDA injection into the MFB, the increased cathepsin X is localized in the lysosomes in the neuronal, predominantly tyrosine hydroxylase-positive dopaminergic cells. After 12 h of 6-OHDA induced lesion, only a few activated microglial cells are positive for cathepsin X whereas, in 4 weeks post-lesion accompanied with complete loss of dopaminergic neurons, there is persistent cathepsin X upregulation restricted to activated glia cells. Taken together, our results demonstrate that cathepsin X upregulation in the lesioned dopaminergic system may play a role as a pathogenic factor in PD. Moreover, inhibition of cathepsin X expression or activity may be useful in protecting the nigrostriatal dopaminergic projection in the PD.
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Affiliation(s)
- Anja Pišlar
- Department of Pharmaceutical Biology, Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia
| | - Larisa Tratnjek
- Institute of Pathophysiology, Medical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Gordana Glavan
- Department of Biology, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Marko Živin
- Institute of Pathophysiology, Medical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Janko Kos
- Department of Pharmaceutical Biology, Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia.,Department of Biotechnology, Jožef Stefan Institute, Ljubljana, Slovenia
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Revisiting the Paraquat-Induced Sporadic Parkinson's Disease-Like Model. Mol Neurobiol 2018; 56:1044-1055. [PMID: 29862459 DOI: 10.1007/s12035-018-1148-z] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Accepted: 05/23/2018] [Indexed: 02/05/2023]
Abstract
Parkinson's disease (PD) is a major neurodegenerative disorder that affects 1-2% of the total global population. Despite its high prevalence and publication of several studies focused on understanding its pathology, an effective treatment that stops and/or reverses the damage to dopaminergic neurons is unavailable. Similar to other neurodegenerative disorders, PD etiology may be linked to several factors, including genetic susceptibility and environmental elements. Regarding environmental factors, several neurotoxic pollutants, including 6-hydroxydopamine (6-OHDA) and 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), have been identified. Moreover, some pesticides/herbicides, such as rotenone, paraquat (PQ), maneb (MB), and mancozeb (MZ), cause neurotoxicity and induce a PD-like pathology. Based on these findings, several in vitro and in vivo PD-like models have been developed to understand the pathophysiology of PD and evaluate different therapeutic strategies to fight dopaminergic neurodegeneration. 6-OHDA and MPTP are common models used in PD research, and pesticide-based approaches have become secondary models of study. However, some herbicides, such as PQ, are commonly used by farming laborers in developing countries. Thus, the present review summarizes the relevant scientific background regarding the use and effects of chronic exposure to PQ in the context of PD. Similarly, we discuss the relevance of PD-like models developed using this agrochemical compound.
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Dallé E, Mabandla MV. Early Life Stress, Depression And Parkinson's Disease: A New Approach. Mol Brain 2018; 11:18. [PMID: 29551090 PMCID: PMC5858138 DOI: 10.1186/s13041-018-0356-9] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Accepted: 02/27/2018] [Indexed: 12/20/2022] Open
Abstract
This review aims to shed light on the relationship that involves exposure to early life stress, depression and Parkinson's disease (PD). A systematic literature search was conducted in Pubmed, MEDLINE, EBSCOHost and Google Scholar and relevant data were submitted to a meta-analysis . Early life stress may contribute to the development of depression and patients with depression are at risk of developing PD later in life. Depression is a common non-motor symptom preceding motor symptoms in PD. Stimulation of regions contiguous to the substantia nigra as well as dopamine (DA) agonists have been shown to be able to attenuate depression. Therefore, since PD causes depletion of dopaminergic neurons in the substantia nigra, depression, rather than being just a simple mood disorder, may be part of the pathophysiological process that leads to PD. It is plausible that the mesocortical and mesolimbic dopaminergic pathways that mediate mood, emotion, and/or cognitive function may also play a key role in depression associated with PD. Here, we propose that a medication designed to address a deficiency in serotonin is more likely to influence motor symptoms of PD associated with depression. This review highlights the effects of an antidepressant, Fluvoxamine maleate, in an animal model that combines depressive-like symptoms and Parkinsonism.
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Affiliation(s)
- Ernest Dallé
- School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, 4000 South Africa
| | - Musa V. Mabandla
- School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, 4000 South Africa
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Lee EJ, Yoon HH, Park ES, Min J, Jeon SR. A Novel Animal Model of Parkinson's Disease Using Optogenetics: Representation of Various Disease Stages by Modulating the Illumination Parameter. Stereotact Funct Neurosurg 2018; 96:22-32. [PMID: 29444523 DOI: 10.1159/000486644] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Accepted: 01/08/2018] [Indexed: 11/19/2022]
Abstract
BACKGROUND The classic animal model of Parkinson's disease (PD) using neurotoxin can only simulate fixed stages of the disease by causing irreversible damage to the nigrostriatal system. OBJECTIVES To develop an optogenetic PD model that can modulate the severity of disease by optical stimulation by introducing the halorhodopsin (NpHR) gene into the substantia nigra compacta. METHODS Fifteen rats received injections of engineered AAV with NpHR-YFP gene into the substantia nigra. They were then subjected to illumination of 590-nm light wavelengths with 3 optical stimulation conditions, i.e., frequency-width: 5 Hz-10 ms (n = 5), 5 Hz-100 ms (n = 5), and 50 Hz-10 ms (n = 5). Eleven rats received 6-hydroxydopamine injections to establish the conventional PD model. RESULTS The optogenetic models showed characteristic PD manifestations, similar to those of the conventional models; the severity of forelimb akinesia correlated with the total illumination value (frequency × width). The group with a low illumination value (5 Hz-10 ms) was comparable to the conventional partial model whereas the groups with high illumination values (5 Hz-100 ms and 50 Hz-10 ms) were similar to the conventional complete model. CONCLUSIONS An optogenetic PD model has the advantage of more appropriately representing various PD stages by controlling illumination parameters.
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Affiliation(s)
- Eun Jung Lee
- Department of Neurosurgery, Hallym University Dongtan Sacred Heart Hospital, Hwaseong-si, Republic of Korea
| | - Hyung Ho Yoon
- Department of Neurological Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Eun Suk Park
- Department of Neurosurgery, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Republic of Korea
| | - Joongkee Min
- Department of Neurological Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Sang Ryong Jeon
- Department of Neurological Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
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Liu M, Shin EJ, Dang DK, Jin CH, Lee PH, Jeong JH, Park SJ, Kim YS, Xing B, Xin T, Bing G, Kim HC. Trichloroethylene and Parkinson's Disease: Risk Assessment. Mol Neurobiol 2017; 55:6201-6214. [PMID: 29270919 DOI: 10.1007/s12035-017-0830-x] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Accepted: 12/08/2017] [Indexed: 12/21/2022]
Abstract
This study was conducted to investigate the mechanism of action and extent of selective dopaminergic neurodegeneration caused by exposure to trichloroethylene (TCE) leading to the endogenous formation of the neurotoxin 1-trichloromethyl-1,2,3,4-tetrahydro-β-carboline (TaClo) in rodents. Beginning at 3 months of age, male C57BL/6 mice received oral TCE dissolved in vehicle for 8 months. Dopaminergic neuronal loss was assessed by nigral tyrosine hydroxylase (TH) immunoreactivity. Selective dopaminergic neurodegeneration was determined based on histological analysis of non-dopaminergic neurons in the brain. Behavioral assays were evaluated using open field activity and rotarod tests. Mitochondrial complex I activity, oxidative stress markers, and microglial activation were also examined in the substantia nigra. The level of TaClo was detected using HPLC-electrospray ionization tandem mass spectrometry. Dopaminergic neurotoxicity of TaClo was determined in midbrain organotypic cultures from rat pups. Following 8 months of TCE treatment, there was a progressive and selective loss of 50% of the dopaminergic neurons in mouse substantia nigra (SN) and about 50% loss of dopamine and 72% loss of 3,4-dihydroxyphenylacetic acid in the striatum, respectively. In addition, motor deficits, mitochondrial impairment, oxidative stress, and inflammation were measured. TaClo content was quantified in the brain after TCE treatment. In organotypic cultures, TaClo rather than TCE induced dopaminergic neuronal loss, similar to MPP+. TCE exposure may stimulate the endogenous formation of TaClo, which is responsible for dopaminergic neurodegeneration. However, even prolonged administration of TCE was insufficient for producing a greater than 50% loss of nigral dopamine neurons, indicating that additional co-morbid factors would be needed for mimicking the profound loss of dopamine neurons seen in Parkinson's disease.
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Affiliation(s)
- Mei Liu
- Department of Neuroscience, College of Medicine, University of Kentucky, Lexington, KY, 40536, USA
| | - Eun-Joo Shin
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chunchon, 24341, Republic of Korea
| | - Duy-Khanh Dang
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chunchon, 24341, Republic of Korea
| | - Chun-Hui Jin
- Department of Geriatrics, Wuxi Mental Health Center, Nanjing Medical University, Wuxi, 214151, China
| | - Phil Ho Lee
- National Creative Research Initiative Center for Catalytic Organic Reactions, Department of Chemistry, Kangwon National University, Chunchon, 24341, Republic of Korea
| | - Ji Hoon Jeong
- Department of Pharmacology, College of Medicine, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Seok-Joo Park
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chunchon, 24341, Republic of Korea
- Ilsong Institute of Life Science, Hallym University, Anyang, 14066, Republic of Korea
| | - Yong-Sun Kim
- Ilsong Institute of Life Science, Hallym University, Anyang, 14066, Republic of Korea
| | - Bin Xing
- Department of Neuroscience, College of Medicine, University of Kentucky, Lexington, KY, 40536, USA
| | - Tao Xin
- Department of Neurosurgery, Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, 250021, People's Republic of China
| | - Guoying Bing
- Department of Neuroscience, College of Medicine, University of Kentucky, Lexington, KY, 40536, USA.
| | - Hyoung-Chun Kim
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chunchon, 24341, Republic of Korea.
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Depression in Parkinson's Disease: The Contribution from Animal Studies. PARKINSONS DISEASE 2017; 2017:9124160. [PMID: 29158943 PMCID: PMC5660814 DOI: 10.1155/2017/9124160] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Accepted: 09/07/2017] [Indexed: 02/06/2023]
Abstract
Besides being better known for causing motor impairments, Parkinson's disease (PD) can also cause many nonmotor symptoms, like depression and anxiety, which can cause significant loss of life quality and may not respond to regular drugs treatment. In this review, we discuss the depression in PD, based on data from studies in humans and rodents. Depression frequency seems higher in PD patients than in general population, despite high variation in data due to diagnosis disparities. Development of depression in PD seems more likely to be caused by the nigrostriatal pathway degeneration than as a consequence of the awareness of disease prognostic, and it seems to be related to dopaminergic, noradrenergic, and serotoninergic synapses deficits. The dopaminergic role could be more significant, since it can modulate the release of the others, and its depletion is progressive, due to the degenerative feature of PD. Highly regarded in major depression, serotonin can be depleted in rats after nigrostriatal damage, but data from human patients are more conflicting. Animal studies can help in understanding the neurobiological mechanisms of depression in PD and the pursuit for more effective drugs for its treatment, but they lack the complexity of the disease progression, especially the nondopaminergic degeneration.
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Hernandez-Baltazar D, Zavala-Flores L, Villanueva-Olivo A. The 6-hydroxydopamine model and parkinsonian pathophysiology: Novel findings in an older model. NEUROLOGÍA (ENGLISH EDITION) 2017. [DOI: 10.1016/j.nrleng.2015.06.019] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
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Anton R, Kordower JH, Kane DJ, Markham CH, Bredesen DE. Neural Transplantation of Cells Expressing the Anti-Apoptotic Gene Bcl-2. Cell Transplant 2017; 4:49-54. [PMID: 7728333 DOI: 10.1177/096368979500400108] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Long-term survival of grafted neural cells is a major goal of neural transplantation, but typical survival rates of grafted fetal neurons are in the range of 5-10%. Whether the death of transplanted neural cells is apoptotic or necrotic is unknown. The expression of the proto-oncogene bcl-2 inhibits both apoptotic and necrotic neural cell death. In a 6-OHDA induced rat model of Parkinson's disease, Hoechst 33258 prelabelled conditionally immortalized nigral cells engineered to express bcl-2 were stereotactically transplanted into the striatum ipsilaterally to the lesioned nigrostriatal pathway. Sixteen rats received bcl-2 transfected cells, 15 received cells transfected with vector alone, and 12 received either a nondopaminergic cell line or were sham transplanted as controls. Four wk following transplantation, the rats with grafts containing bcl-2 expressing cells showed an approximately 43% decrease in apomorphine-induced rotational behavior. In contrast, 12% improvement occurred in the rats with transplanted cells transfected with vector alone (p < 0.05), and no improvement occurred in sham-operated animals (p < 0.05). Histological examination showed no tumor formation. Despite the difference in behavioral effect, no clear difference in Hoechst fluorescent staining or staining for TH, GFAP was noted; therefore, it is unknown at present whether the observed effect was due to a difference in survival or to increased efficacy per surviving transplanted neural cell, or both.
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Affiliation(s)
- R Anton
- Department of Neurology, UCLA 90024, USA
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da Costa IM, Cavalcanti JRLDP, de Queiroz DB, de Azevedo EP, do Rêgo ACM, Araújo Filho I, Parente P, Botelho MA, Guzen FP. Supplementation with Herbal Extracts to Promote Behavioral and Neuroprotective Effects in Experimental Models of Parkinson's Disease: A Systematic Review. Phytother Res 2017; 31:959-970. [DOI: 10.1002/ptr.5813] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Revised: 03/21/2017] [Accepted: 03/22/2017] [Indexed: 12/21/2022]
Affiliation(s)
- Ianara Mendonça da Costa
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Health Science Center; State University of Rio Grande do Norte; Mossoró RN Brazil
| | - José Rodolfo Lopes de Paiva Cavalcanti
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Health Science Center; State University of Rio Grande do Norte; Mossoró RN Brazil
| | - Dinalva Brito de Queiroz
- Post Graduation Program in Biotechnology; Potiguar University (UnP) School of Health; Natal RN Brazil
| | | | | | - Irami Araújo Filho
- Post Graduation Program in Biotechnology; Potiguar University (UnP) School of Health; Natal RN Brazil
| | - Paulo Parente
- Neural Engineering and Control Lab. Dept. of Biomedical Engineering; Columbia University; New York USA
| | - Marco Antônio Botelho
- Post Graduation Program in Biotechnology; Potiguar University (UnP) School of Health; Natal RN Brazil
| | - Fausto Pierdoná Guzen
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Health Science Center; State University of Rio Grande do Norte; Mossoró RN Brazil
- Post Graduation Program in Biotechnology; Potiguar University (UnP) School of Health; Natal RN Brazil
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Hosseini M, Rajaei Z, Alaei H, Tajadini M. The Effects of Crocin on 6-OHDA-Induced Oxidative/Nitrosative Damage and Motor Behaviour in Hemiparkinsonian Rats. Malays J Med Sci 2016; 23:35-43. [PMID: 28090177 DOI: 10.21315/mjms2016.23.6.4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2015] [Accepted: 08/07/2016] [Indexed: 10/20/2022] Open
Abstract
BACKGROUND Crocin is considered to prevent oxidative stress-related diseases, such as ischemia and Alzheimer's. The aim of the present investigation was to evaluate the effects of crocin on motor behaviour and 6-OHDA-induced oxidative/nitrosative damage to the striatum in an experimental model of Parkinson's disease. METHODS Left medial forebrain bundle was lesioned by microinjection of 6-OHDA (16μg in 0.2% ascorbate-saline). Crocin (30 and 60 mg/kg) was injected intraperitoneally three days before surgery until six weeks. Rotational behaviour and biochemical analysis were used to evaluate the effect of crocin in a unilateral 6-OHDA-induced model of Parkinson's disease. RESULTS The contralateral rotations induced by apomorphine in 6-OHDA lesioned group were highly significant (P < 0.001) as compared to the sham group. Moreover, chronic administration of crocin at doses of 30 and 60 mg/kg over six weeks did not change the rotations. The TBARS and nitrite levels in the striatum were also significantly (P < 0.05) increased in lesioned group. Treatment with crocin at a dose of 60 mg/kg significantly decreased the nitrite levels (P < 0.05) in the striatum. CONCLUSION Crocin at a dose of 60 mg/kg could be effective in preventing the nitrosative damage in the striatum. Further investigations using higher doses of crocin is suggested to get the full neuroprotective effects of crocin in Parkinson's disease.
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Affiliation(s)
- Maryam Hosseini
- Department of Physiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ziba Rajaei
- Department of Physiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran; Neurocognitive Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hojjatallah Alaei
- Isfahan Neurosciences Research Center, Alzahra Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
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A promising therapeutic potential of cerebrolysin in 6-OHDA rat model of Parkinson's disease. Life Sci 2016; 155:174-9. [DOI: 10.1016/j.lfs.2016.05.022] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 05/05/2016] [Accepted: 05/16/2016] [Indexed: 11/20/2022]
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Aroso M, Ferreira R, Freitas A, Vitorino R, Gomez-Lazaro M. New insights on the mitochondrial proteome plasticity in Parkinson's disease. Proteomics Clin Appl 2016; 10:416-29. [PMID: 26749507 DOI: 10.1002/prca.201500092] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Revised: 12/09/2015] [Accepted: 01/04/2016] [Indexed: 12/21/2022]
Abstract
Parkinson's disease (PD) is one of the most common neurodegenerative diseases whose relentless progression results in severe disability. Although PD aetiology is unknown, growing evidences point to the mitochondrial involvement in the pathobiology of this disorder. So, it seems imperative to understand the means by which the molecular pathways harboured in this organelle are regulated. With the advances in MS-based proteomics, there is a substantial expectation in the increased knowledge of mitochondrial protein dynamics. Still, few studies have been performed on mitochondrial protein profiling in the context of PD. In order to integrate data from these studies, network analyses were performed taking into consideration variables such as model of PD, cell line, or tissue origin. Overall, data retrieved from these analyses highlighted the modulation of the biological processes related with "generation of energy," "cellular metabolism," and "mitochondrial transport" in PD. However, it was noted that the impact of sample type and/or PD model on the biological processes was modulated by the disease. Moreover, technical considerations related to protein characterization using gel-based or gel-free MS approaches should be considered in data comparison among different studies. Data from the present review will help to envisage future studies targeting these mechanisms.
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Affiliation(s)
- Miguel Aroso
- Department of Medical Sciences, iBiMED, University of Aveiro, Aveiro, Portugal
| | - Rita Ferreira
- Department of Chemistry, QOPNA, Mass Spectrometry Center, University of Aveiro, Aveiro, Portugal
| | - Ana Freitas
- Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal.,INEB - Instituto de Engenharia Biomédica, University of Porto, Porto, Portugal.,Faculty of Medicine, University of Porto, Porto, Portugal
| | - Rui Vitorino
- Department of Medical Sciences, iBiMED, University of Aveiro, Aveiro, Portugal.,Department of Chemistry, QOPNA, Mass Spectrometry Center, University of Aveiro, Aveiro, Portugal.,Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal.,Department of Physiology and Cardiothoracic Surgery, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Maria Gomez-Lazaro
- Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal.,INEB - Instituto de Engenharia Biomédica, University of Porto, Porto, Portugal
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Touchette JC, Breckenridge JM, Wilken GH, Macarthur H. Direct intranigral injection of dopaminochrome causes degeneration of dopamine neurons. Neurosci Lett 2015; 612:178-184. [PMID: 26704434 DOI: 10.1016/j.neulet.2015.12.028] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Revised: 12/11/2015] [Accepted: 12/12/2015] [Indexed: 12/21/2022]
Abstract
Parkinson's disease (PD) is characterized by progressive neurodegeneration of nigrastriatal dopaminergic neurons leading to clinical motor dysfunctions. Many animal models of PD have been developed using exogenous neurotoxins and pesticides. Evidence strongly indicates that the dopaminergic neurons of the substantia nigra pars compacta (SNpc) are highly susceptible to neurodegeneration due to a number of factors including oxidative stress and mitochondrial dysfunction. Oxidation of DA to a potential endogenous neurotoxin, dopaminochrome (DAC), may be a potential contributor to the vulnerability of the nigrostriatal tract to oxidative insult. In this study, we show that DAC causes slow and progressive degeneration of dopaminergic neurons in contrast to 1-methyl-4-phenylpyridinium (MPP(+)), which induces rapid lesions of the region. The DAC model may be more reflective of early stresses that initiate the progressive neurodegenerative process of PD, and may prove a useful model for future neurodegenerative studies.
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Affiliation(s)
- Jillienne C Touchette
- Department of Pharmacology and Physiology, Saint Louis University School of Medicine, 1402 S Grand Blvd, St. Louis, MO 63104, United States
| | - Julie M Breckenridge
- Department of Pharmacology and Physiology, Saint Louis University School of Medicine, 1402 S Grand Blvd, St. Louis, MO 63104, United States
| | - Gerald H Wilken
- Department of Pharmacology and Physiology, Saint Louis University School of Medicine, 1402 S Grand Blvd, St. Louis, MO 63104, United States
| | - Heather Macarthur
- Department of Pharmacology and Physiology, Saint Louis University School of Medicine, 1402 S Grand Blvd, St. Louis, MO 63104, United States.
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Bertrand D, Lee CHL, Flood D, Marger F, Donnelly-Roberts D. Therapeutic Potential of α7 Nicotinic Acetylcholine Receptors. Pharmacol Rev 2015; 67:1025-73. [DOI: 10.1124/pr.113.008581] [Citation(s) in RCA: 108] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
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Hernandez-Baltazar D, Zavala-Flores LM, Villanueva-Olivo A. The 6-hydroxydopamine model and parkinsonian pathophysiology: Novel findings in an older model. Neurologia 2015; 32:533-539. [PMID: 26304655 DOI: 10.1016/j.nrl.2015.06.011] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2014] [Revised: 06/09/2015] [Accepted: 06/15/2015] [Indexed: 01/09/2023] Open
Abstract
The neurotoxin 6-hydroxydopamine (6-OHDA) is widely used to induce models of Parkinson's disease (PD). We now know that the model induced by 6-OHDA does not include all PD symptoms, although it does reproduce the main cellular processes involved in PD, such as oxidative stress, neurodegeneration, neuroinflammation, and neuronal death by apoptosis. In this review we analyse the factors affecting the vulnerability of dopaminergic neurons as well as the close relationships between neuroinflammation, neurodegeneration, and apoptosis in the 6-OHDA model. Knowledge of the mechanisms involved in neurodegeneration and cell death in this model is the key to identifying potential therapeutic targets for PD.
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Affiliation(s)
- D Hernandez-Baltazar
- Cátedra CONACyT, Dirección Adjunta de Desarrollo Científico CONACyT, México, D. F., México; Instituto de Neuroetología, Universidad Veracruzana, Xalapa, Veracruz, México.
| | - L M Zavala-Flores
- Centro de Investigación Biomédica del Noreste, IMSS, Monterrey, Nuevo León, México
| | - A Villanueva-Olivo
- Departamento de Histología, Facultad de Medicina, Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
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Maegawa H, Morimoto Y, Kudo C, Hanamoto H, Boku A, Sugimura M, Kato T, Yoshida A, Niwa H. Neural mechanism underlying hyperalgesic response to orofacial pain in Parkinson's disease model rats. Neurosci Res 2015; 96:59-68. [PMID: 25637312 DOI: 10.1016/j.neures.2015.01.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Revised: 01/14/2015] [Accepted: 01/19/2015] [Indexed: 11/16/2022]
Abstract
To investigate the neural mechanism of pain originating from the orofacial region in PD patients, we used PD model rats produced by unilateral injection of 6-hydroxydopamine (6-OHDA) into the medial forebrain bundle. We investigated effects of nigrostriatal lesions on the behavioral response (face rubbing) to formalin injection into the upper lip. We also examined expression of c-Fos and phosphorylated extracellular signal-regulated kinase (pERK) in the trigeminal spinal subnucleus caudalis (Vc) and expression of c-Fos in the periaqueductal gray matter (PAG). Face rubbings following formalin injection showed a biphasic profile, with the first phase for the first 5 min and the second phase from 10 to 90 min. Rats with 6-OHDA lesions showed increased face rubbings in the second phase when formalin was injected ipsilaterally to the lesion, and c-Fos expression in the Vc increased. When formalin was injected contralaterally, face rubbings were reduced in the first phase, however, expression levels of c-Fos and pERK in the Vc were unchanged. No significant difference was found in c-Fos expression in the PAG between 6-OHDA- and saline-injected rats. These results suggest that unilateral dopamine depletion in the nigrostriatal pathway may be involved in hypersensitivity to noxious stimulation delivered to the orofacial region.
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Affiliation(s)
- Hiroharu Maegawa
- Department of Dental Anesthesiology, Osaka University Graduate School of Dentistry, Suita, Osaka 565-0871, Japan.
| | - Yoshinari Morimoto
- Special Patient Oral Care Unit, Kyushu University Hospital, Fukuoka, Fukuoka 812-8582, Japan
| | - Chiho Kudo
- Department of Dental Anesthesiology, Osaka University Graduate School of Dentistry, Suita, Osaka 565-0871, Japan
| | - Hiroshi Hanamoto
- Department of Dental Anesthesiology, Osaka University Graduate School of Dentistry, Suita, Osaka 565-0871, Japan
| | - Aiji Boku
- Department of Dental Anesthesiology, Osaka University Graduate School of Dentistry, Suita, Osaka 565-0871, Japan
| | - Mitsutaka Sugimura
- Department of Dental Anesthesiology, Osaka University Graduate School of Dentistry, Suita, Osaka 565-0871, Japan
| | - Takafumi Kato
- Department of Oral Anatomy and Neurobiology, Osaka University Graduate School of Dentistry, Suita, Osaka 565-0871, Japan
| | - Atsushi Yoshida
- Department of Oral Anatomy and Neurobiology, Osaka University Graduate School of Dentistry, Suita, Osaka 565-0871, Japan
| | - Hitoshi Niwa
- Department of Dental Anesthesiology, Osaka University Graduate School of Dentistry, Suita, Osaka 565-0871, Japan
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Li LB, Zhang L, Sun YN, Han LN, Wu ZH, Zhang QJ, Liu J. Activation of serotonin2A receptors in the medial septum-diagonal band of Broca complex enhanced working memory in the hemiparkinsonian rats. Neuropharmacology 2014; 91:23-33. [PMID: 25486618 DOI: 10.1016/j.neuropharm.2014.11.025] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Revised: 11/11/2014] [Accepted: 11/28/2014] [Indexed: 12/12/2022]
Abstract
Serotonin2A (5-HT2A) receptors are highly expressed in the medial septum-diagonal band of Broca complex (MS-DB), especially in parvalbumin (PV)-positive neurons linked to hippocampal theta rhythm, which is involved in cognition. Cognitive impairments commonly occur in Parkinson's disease. Here we performed behavioral, electrophysiological, neurochemical and immunohistochemical studies in rats with complete unilateral 6-hydroxydopamine lesions of the medial forebrain bundle (MFB) to assess the importance of dopamine (DA) depletion and MS-DB 5-HT2A receptors for working memory. The MFB lesions resulted in working memory impairment and decreases in firing rate and density of MS-DB PV-positive neurons, peak frequency of hippocampal theta rhythm, and DA levels in septohippocampal system and medial prefrontal cortex (mPFC) compared to control rats. Intra-MS-DB injection of high affinity 5-HT2A receptor agonist TCB-2 enhanced working memory, increased firing rate of PV-positive neurons and peak frequency of hippocampal theta rhythm, elevated DA levels in the hippocampus and mPFC, and decreased 5-HT level in the hippocampus in control and lesioned rats. Compared to control rats, the duration of the excitatory effect produced by TCB-2 on the firing rate of PV-positive neurons was markedly shortened in lesioned rats, indicating dysfunction of 5-HT2A receptors. These findings suggest that unilateral lesions of the MFB in rats induced working memory deficit, and activation of MS-DB 5-HT2A receptors enhanced working memory, which may be due to changes in the activity of septohippocampal network and monoamine levels in the hippocampus and mPFC.
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Affiliation(s)
- Li-Bo Li
- Department of Physiology and Pathophysiology, School of Medicine, Xi'an Jiaotong University, Xi'an 710061, China
| | - Li Zhang
- Department of Physiology and Pathophysiology, School of Medicine, Xi'an Jiaotong University, Xi'an 710061, China
| | - Yi-Na Sun
- Department of Physiology and Pathophysiology, School of Medicine, Xi'an Jiaotong University, Xi'an 710061, China
| | - Ling-Na Han
- Department of Physiology and Pathophysiology, School of Medicine, Xi'an Jiaotong University, Xi'an 710061, China
| | - Zhong-Heng Wu
- Department of Rehabilitation Medicine, the Second Hospital, Xi'an Jiaotong University, Xi'an 710004, China
| | - Qiao-Jun Zhang
- Department of Rehabilitation Medicine, the Second Hospital, Xi'an Jiaotong University, Xi'an 710004, China
| | - Jian Liu
- Department of Physiology and Pathophysiology, School of Medicine, Xi'an Jiaotong University, Xi'an 710061, China.
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l-DOPA reverses the impairment of Dentate Gyrus LTD in experimental parkinsonism via β-adrenergic receptors. Exp Neurol 2014; 261:377-85. [PMID: 25058044 DOI: 10.1016/j.expneurol.2014.07.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2014] [Revised: 05/30/2014] [Accepted: 07/08/2014] [Indexed: 11/20/2022]
Abstract
Parkinson's disease (PD) patients exhibit motor and non-motor symptoms that severely affect quality of life. Cognitive alterations in PD subjects have been related to both structural and functional hippocampal changes. Here we investigated the effects of the 6-hydroxydopamine (6-OHDA) lesion in the Medial Forebrain Bundle (MFB) on the hippocampus focusing on the Dentate Gyrus (DG). In vivo microdialysis measurements revealed that the 6-OHDA injection disrupts both dopaminergic and noradrenergic transmission in rat DG. In vitro electrophysiological recordings showed that these neurochemical alterations were accompanied by impairment of long-term depression (LTD) at medial perforant path/DG synapses. Furthermore, this alteration was reversed by l-DOPA treatment. Notably, the therapeutic effect of l-DOPA on LTD was blocked by the antagonism of β-noradrenergic receptors, but not by dopamine D1 or D2 receptor antagonists. Thus, while the dopaminergic transmission does not seem to be implicated in this therapeutic effect of l-DOPA, the noradrenergic system plays a central role in the synaptic dysfunction of the DG in experimental PD. Our work provides new evidence on the role of catecholamines in DG synaptic plasticity and sheds light on the possible synaptic mechanisms underlying cognitive deficits in PD. Furthermore, our results indicate that l-DOPA exerts a therapeutic effect on the parkinsonian brain through different, coexistent, mechanisms.
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Xiong Y, Zhang Y, Iqbal J, Ke M, Wang Y, Li Y, Qing H, Deng Y. Differential expression of synaptic proteins in unilateral 6-OHDA lesioned rat model-A comparative proteomics approach. Proteomics 2014; 14:1808-19. [PMID: 24841483 DOI: 10.1002/pmic.201400069] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2014] [Revised: 04/24/2014] [Accepted: 05/15/2014] [Indexed: 12/12/2022]
Abstract
Parkinson's disease (PD) is characterized as a movement disorder due to lesions in the basal ganglia. As the major input region of the basal ganglia, striatum plays a vital role in coordinating movements. It receives afferents from the cerebral cortex and projects afferents to the internal segment of the globus pallidus and substantia nigra pars reticulate. Additionally, accumulating evidences support a role for synaptic dysfunction in PD. Therefore, the present study explores the changes in protein abundance involved in synaptic disorders in unilateral lesioned 6-OHDA rat model. Based on (18) O/(16) O-labeling technique, striatal proteins were separated using online 2D-LC, and identified by nano-ESI-quadrupole-TOF. A total of 370 proteins were identified, including 76 significantly differentially expressed proteins. Twenty-two downregulated proteins were found in composition of vesicle, ten of which were involved in neuronal transmission and recycling across synapses. These include N-ethylmaleimide-sensitive fusion protein attachment receptor proteins (SNAP-25, syntaxin-1A, syntaxin-1B, VAMP2), synapsin-1, septin-5, clathrin heavy chain 1, AP-2 complex subunit beta, dynamin-1, and endophilin-A1. Moreover, MS result for syntaxin-1A was confirmed by Western blot analysis. Overall, these synaptic changes induced by neurotoxin may serve as a reference for understanding the functional mechanism of striatum in PD.
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Affiliation(s)
- Yan Xiong
- School of Life Science, Beijing Institute of Technology, Beijing, P. R. China
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Karuppagounder SS, Bhattacharya D, Ahuja M, Suppiramaniam V, DeRuiter J, Clark R, Dhanasekaran M. Elucidating the neurotoxic effects of MDMA and its analogs. Life Sci 2014; 101:37-42. [DOI: 10.1016/j.lfs.2014.02.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2013] [Revised: 01/21/2014] [Accepted: 02/08/2014] [Indexed: 10/25/2022]
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Proschel C, Stripay JL, Shih CH, Munger JC, Noble MD. Delayed transplantation of precursor cell-derived astrocytes provides multiple benefits in a rat model of Parkinsons. EMBO Mol Med 2014; 6:504-18. [PMID: 24477866 PMCID: PMC3992077 DOI: 10.1002/emmm.201302878] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
In addition to dopaminergic neuron loss, it is clear that Parkinson disease includes other pathological changes, including loss of additional neuronal populations. As a means of addressing multiple pathological changes with a single therapeutically-relevant approach, we employed delayed transplantation of a unique class of astrocytes, GDAs(BMP), that are generated in vitro by directed differentiation of glial precursors. GDAs(BMP) produce multiple agents of interest as treatments for PD and other neurodegenerative disorders, including BDNF, GDNF, neurturin and IGF1. GDAs(BMP) also exhibit increased levels of antioxidant pathway components, including levels of NADPH and glutathione. Delayed GDA(BMP) transplantation into the 6-hydroxydopamine lesioned rat striatum restored tyrosine hydroxylase expression and promoted behavioral recovery. GDA(BMP) transplantation also rescued pathological changes not prevented in other studies, such as the rescue of parvalbumin(+) GABAergic interneurons. Consistent with expression of the synaptic modulatory proteins thrombospondin-1 and 2 by GDAs(BMP), increased expression of the synaptic protein synaptophysin was also observed. Thus, GDAs(BMP) offer a multimodal support cell therapy that provides multiple benefits without requiring prior genetic manipulation.
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Affiliation(s)
- Christoph Proschel
- Department for Biomedical Genetics, University of Rochester, Rochester, NY, USA
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Daviaud N, Garbayo E, Schiller PC, Perez-Pinzon M, Montero-Menei CN. Organotypic cultures as tools for optimizing central nervous system cell therapies. Exp Neurol 2013; 248:429-40. [DOI: 10.1016/j.expneurol.2013.07.012] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2013] [Revised: 07/15/2013] [Accepted: 07/18/2013] [Indexed: 01/01/2023]
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Shalavadi MH, Chandrashekhar VM, Avinash SP, Sowmya C, Ramkishan A. Neuroprotective activity of Stereospermum suaveolens DC against 6-OHDA induced Parkinson's disease model. Indian J Pharmacol 2013; 44:737-43. [PMID: 23248404 PMCID: PMC3523502 DOI: 10.4103/0253-7613.103275] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2011] [Revised: 06/29/2012] [Accepted: 09/01/2012] [Indexed: 11/04/2022] Open
Abstract
OBJECTIVES To evaluate the neuroprotective effect of Stereospermum suaveolens DC on 6-hydroxy dopamine induced Parkinson's disease model. MATERIALS AND METHODS The study was conducted on Sprague-Dawley rats where parkinson's disease was induced by producing the striatal 6-hydroxy dopamine lesions. The test animals received methanolic extract of Stereospermum suaveolens at dose of 125, 250 and 500 mg/kg for 42 days. Behavioral assessment, spontaneous locomotor activity and muscular coordination were studied. Antioxidant levels, striatal infraction area were assessed and histopathological studies were carried out. RESULTS The Stereospermum suaveolens DC methanolic extract showed significant dose dependent increase in behavioral activity, improved muscular coordination. Significant reduction of lipid peroxidation (LPO), increased antioxidant enzymes like superoxide dismutase (SOD), catalase (CAT) and non-enzymatic activity of glutathione (GSH) and total thiol levels in extract treated groups was observed in test groups as compared to control group. Striatal infarction area was significantly reduced in extract treated groups as compared to control group. CONCLUSION The methanolic extract of Stereospermum suaveolens DC showed neuroprotective activity against 6-hydroxy dopamine induced Parkinson's disease in rats.
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Affiliation(s)
- M H Shalavadi
- Department of Pharmacology and Research Centre, Hanagal Shri Kumareshwar College of Pharmacy, BVVS Campus, Bagalkot, Karnataka, India
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