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Naeem AG, El-Naga RN, Michel HE. Nebivolol elicits a neuroprotective effect in the cuprizone model of multiple sclerosis in mice: emphasis on M1/M2 polarization and inhibition of NLRP3 inflammasome activation. Inflammopharmacology 2022; 30:2197-2209. [PMID: 35948811 DOI: 10.1007/s10787-022-01045-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 07/23/2022] [Indexed: 11/05/2022]
Abstract
BACKGROUND AND AIM Multiple sclerosis (MS) is a demyelinating neurodegenerative inflammatory disease affecting mainly young adults. Microgliosis-derived neuroinflammation represents a key hallmark in MS pathology and progression. Nebivolol (Neb) demonstrated antioxidant, anti-inflammatory and neuroprotective properties in several brain pathologies. This study was conducted to investigate the potential neuroprotective effect of Neb in the cuprizone (Cup) model of MS. METHODS C57Bl/6 mice were fed 0.2% Cup mixed into rodent chow for 5 weeks. Neb (5 and 10 mg/kg/day) was administered by oral gavage during the last 2 weeks. RESULTS Neb prevented Cup-induced weight loss and motor deficits as evidenced by increased latency to fall in the rotarod test and enhanced locomotor activity as compared to Cup-intoxicated mice. Neb reversed Cup-induced demyelination as confirmed by Luxol fast blue staining and myelin basic protein western blotting. Administration of Neb modulated microglial activation status by suppressing M1 markers (Iba-1, CD86, iNOS, NO and TNF-α) and increasing M2 markers (Arg-1 and IL-10) as compared to Cup-fed mice. Furthermore, Neb hindered NLRP3/caspase-1/IL-18 inflammatory cascade and alleviated oxidative stress by reducing lipid peroxidation, as well as increasing catalase and superoxide dismutase activities. CONCLUSION These findings suggest the potential neuroprotective effect of Neb in the Cup-induced model of MS in mice, at least partially by virtue of shifting microglia towards M2 phenotype, mitigation of NLRP3 inflammasome activation and alleviation of oxidative stress.
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Affiliation(s)
- Antoinette G Naeem
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Reem N El-Naga
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Haidy E Michel
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt.
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2
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Cavalheiro EKFF, da Silva LE, Oliveira MP, Silva MG, Damiani AP, Ribeiro CB, Magenis ML, Cucker L, Michels M, Joaquim L, Machado RS, Vilela TC, Bitencourt RM, Andrade VM, Dal-Pizzol F, Petronilho F, Tuon T, Rezin GT. Effects of obesity on neuroinflammatory and neurochemical parameters in an animal model of reserpine-induced Parkinson's disease. Behav Brain Res 2022; 434:114019. [PMID: 35872330 DOI: 10.1016/j.bbr.2022.114019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 06/30/2022] [Accepted: 07/19/2022] [Indexed: 12/06/2022]
Abstract
Obesity is associated with low-grade chronic inflammation and oxidative stress, affecting the brain's reward system by decreasing dopaminergic neurotransmission. It is known that dopaminergic neurotransmission is also reduced in Parkinson's disease (PD), and high adiposity is considered a risk factor for the development of several neurodegenerative diseases, including PD. This study aimed to assess the effects of obesity on neuroinflammatory and neurochemical parameters in an animal model of reserpine-induced PD. The obese group showed increased inflammation and oxidative damage as well as inhibition of mitochondrial respiratory chain complexes I and II and DNA damage in the evaluated structures. The PD group did not show inflammation or mitochondrial dysfunction but exhibited oxidative damage in the hippocampus. The combination group (obesity + PD) showed reduced inflammation and oxidative stress and increased activity of complexes I and II of the mitochondrial respiratory chain in most of the analyzed structures. On the other hand, obesity + PD caused oxidative damage to proteins in the liver, prefrontal cortex, striatum, and cerebral cortex and oxidative stress in the hypothalamus, resulting in reduced catalase activity. Furthermore, the combination group showed DNA damage in blood, liver, and cerebral cortex. In conclusion, it was observed that the association of obesity and PD did not increase inflammation, oxidative stress, or mitochondrial dysfunction in most of the evaluated structures but increased oxidative damage and induced mechanisms that led to DNA damage in peripheral tissues and brain structures.
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Affiliation(s)
- Eulla Keimili Fernandes Ferreira Cavalheiro
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Tubarão, Santa Catarina, Brazil
| | - Larissa Espindola da Silva
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Tubarão, Santa Catarina, Brazil
| | - Mariana P Oliveira
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Tubarão, Santa Catarina, Brazil
| | - Marina G Silva
- Laboratory of Behavioral Neuroscience, Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Tubarão, Santa Catarina, Brazil
| | - Adriani P Damiani
- Laboratório de Biologia Celular e Molecular, Universidade do Extremo Sul Catarinense, UNESC, Avenida Universitária, 1105, Criciúma, SC, Brazil
| | - Catharina B Ribeiro
- Laboratório de Biologia Celular e Molecular, Universidade do Extremo Sul Catarinense, UNESC, Avenida Universitária, 1105, Criciúma, SC, Brazil
| | - Marina L Magenis
- Laboratório de Biologia Celular e Molecular, Universidade do Extremo Sul Catarinense, UNESC, Avenida Universitária, 1105, Criciúma, SC, Brazil
| | - Luana Cucker
- Laboratory of Experimental Pathophysiology, Graduate Program in Health Sciences, University of Southern Santa Catarina, Criciúma, SC, Brazil
| | - Monique Michels
- Laboratory of Experimental Pathophysiology, Graduate Program in Health Sciences, University of Southern Santa Catarina, Criciúma, SC, Brazil
| | - Larissa Joaquim
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Tubarão, Santa Catarina, Brazil
| | - Richard Simon Machado
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Tubarão, Santa Catarina, Brazil
| | - Thais C Vilela
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Tubarão, Santa Catarina, Brazil
| | - Rafael M Bitencourt
- Laboratory of Behavioral Neuroscience, Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Tubarão, Santa Catarina, Brazil
| | - Vanessa M Andrade
- Laboratório de Biologia Celular e Molecular, Universidade do Extremo Sul Catarinense, UNESC, Avenida Universitária, 1105, Criciúma, SC, Brazil
| | - Felipe Dal-Pizzol
- Laboratory of Experimental Pathophysiology, Graduate Program in Health Sciences, University of Southern Santa Catarina, Criciúma, SC, Brazil
| | - Fabrícia Petronilho
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Tubarão, Santa Catarina, Brazil
| | - Talita Tuon
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Tubarão, Santa Catarina, Brazil
| | - Gislaine Tezza Rezin
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Tubarão, Santa Catarina, Brazil.
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Kemadjou Dibacto RE, Akamba Ambamba BD, Ella FA, Biyegue Nyangono CF, Kamga Nanhah JV, Fonkoua M, Minka RS, Ngondi JL. The neuroprotective effect of Xylopia parviflora against aluminum chloride-induced neurotoxicity in rats. Heliyon 2022; 8:e09896. [PMID: 35855984 PMCID: PMC9287802 DOI: 10.1016/j.heliyon.2022.e09896] [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: 10/30/2021] [Revised: 01/28/2022] [Accepted: 07/01/2022] [Indexed: 11/25/2022] Open
Abstract
Neurodegenerative disease such as Alzheimer's disease, are progressive disorders which has been linked to oxidative imbalance and associated perturbations characterised by loss of memory, cognition and cholinergic deficit. To date, cholinesterase inhibition and neuroprotection are the two major strategies in drug development. Xylopia parviflora (Annonacea family) is a spice consumed in Cameroon and has been used in traditional medicine to treat various pains. In this study, X. parviflora was evaluated on behavioural studies, ion homeostasis, cholinesterase inhibitory and antioxidant activities. Rats were exposed to aluminium chloride (75 mg/kg) during 60 days, and were treated with the extract of X. parviflora (150 and 300 mg/kg BW) and two drugs references (Donepezil and Curcumin). Behavioural parameters were assessed using the Morris-Maze test and the Open Field, followed by biochemical investigations, namely, cholinesterase enzyme activity (AChE and BChE), oxidative stress (NO, MDA, GSH level, SOD and Catalase activities) and ion homeostasis (Mg2+ and Ca2+ levels). AlCl3 administration shows a decrease in learning and memory improvement during behavioural studies, significant alteration of the central cholinergic system characterised by an increase in AChE and BChE activities to 2.72 ± 0.002 mol/min/g and 5.74 ± 0.12 mol/min/g respectively, disturbance of ion homeostasis with an increase in Ca2+ level (25.68 ± 3.78 μmol/mg protein) and a decrease in Mg2+ level (15.97 ± 2.05 μmol/mg protein) and an increase in oxidative stress compared to the positive control group. Treatment with the different doses of X. parviflora increased memory and improved locomotion, improved cholinesterase activities, ion homeostasis and stabilized brain oxidative stress levels. The study suggests that X. parviflora could potentially be used for the management of some biochemical alterations associated with Alzheimer's disease. It could even be a good alternative to chemical drugs for neurotoxicity and memory enhancement.
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Affiliation(s)
- Ruth Edwige Kemadjou Dibacto
- Department of Biochemistry, Faculty of Science, University of Yaounde 1, Yaounde, Cameroon.,Centre for Food and Nutrition Research, Institute of Medical Research and Medicinal Plants Studies (IMPM), Ministry of Scientific Research and Innovation, Yaounde, Cameroon
| | | | - Fils Armand Ella
- Department of Biochemistry, Faculty of Science, University of Yaounde 1, Yaounde, Cameroon
| | | | | | - Martin Fonkoua
- Department of Biochemistry, Faculty of Science, University of Yaounde 1, Yaounde, Cameroon
| | - Réné Samuel Minka
- Department of Biochemistry, Faculty of Science, University of Yaounde 1, Yaounde, Cameroon
| | - Judith Laure Ngondi
- Department of Biochemistry, Faculty of Science, University of Yaounde 1, Yaounde, Cameroon
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Tsermpini EE, Redenšek S, Dolžan V. Genetic Factors Associated With Tardive Dyskinesia: From Pre-clinical Models to Clinical Studies. Front Pharmacol 2022; 12:834129. [PMID: 35140610 PMCID: PMC8819690 DOI: 10.3389/fphar.2021.834129] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 12/31/2021] [Indexed: 01/14/2023] Open
Abstract
Tardive dyskinesia is a severe motor adverse event of antipsychotic medication, characterized by involuntary athetoid movements of the trunk, limbs, and/or orofacial areas. It affects two to ten patients under long-term administration of antipsychotics that do not subside for years even after the drug is stopped. Dopamine, serotonin, cannabinoid receptors, oxidative stress, plasticity factors, signaling cascades, as well as CYP isoenzymes and transporters have been associated with tardive dyskinesia (TD) occurrence in terms of genetic variability and metabolic capacity. Besides the factors related to the drug and the dose and patients’ clinical characteristics, a very crucial variable of TD development is individual susceptibility and genetic predisposition. This review summarizes the studies in experimental animal models and clinical studies focusing on the impact of genetic variations on TD occurrence. We identified eight genes emerging from preclinical findings that also reached statistical significance in at least one clinical study. The results of clinical studies are often conflicting and non-conclusive enough to support implementation in clinical practice.
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Kuzay D, Dileköz E, Özer Ç. Effects of thymoquinone in a rat model of reserpine-induced depression. BRAZ J PHARM SCI 2022. [DOI: 10.1590/s2175-97902022e19847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Sanawar M, Saleem U, Anwar F, Nazir S, Akhtar MF, Ahmad B, Ismail T. Investigation of anti-Parkinson activity of dicyclomine. Int J Neurosci 2020; 132:338-351. [PMID: 32847457 DOI: 10.1080/00207454.2020.1815732] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
BACKGROUND Parkinson's disease (PD) is a progressive neurodegenerative disorder. The major causative factors that progress the PD are age, genetic abnormalities, environmental factors and degeneration of dopamine neurons in substantia nigra. PD normally exerts a tonic inhibitory effect on striatal cholinergic interneurons. Anticholinergics act by normalizing the disequilibrium between striatal dopamine and acetylcholine-resulted reduction in tremors. OBJECTIVE This study sought to evaluate the anti-Parkinson potential of dicyclomine in haloperidol (HAL)- and paraquat (PQT)-induced Parkinsonism models in mice. MATERIALS AND METHODS Sixty albino mice were divided into six groups (n = 10) for each model. Group I: received distilled water 1 mL/kg, Group II: diseased group received HAL (1 mg/kg) for consecutive 21 days and PQT (2 mg/kg) every three days for three weeks, Group III: treated with sinemet (20 mg/kg), Group IV-VI: received 40, 80 and 160 mg/kg dose of dicyclomine, respectively, for consecutive 21 days. The effect of treatments on spontaneous locomotor activity and motor co-ordination was evaluated by using open field, rotarod, actophotometer and light and dark box tests. Cataleptic behavior was estimated by the block method and triple horizontal bar apparatus. Biochemical markers of oxidative stress and levels of neurotransmitters were estimated. RESULTS Findings from this study showed that dicyclomine at highest dose level of 160 mg/kg prevented HAL- and PQT-induced PD through enhancement of antioxidant defense system. CONCLUSION The study concluded that dicyclomine could be the potential drug in the management of Parkinsonism.
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Affiliation(s)
- Maham Sanawar
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Lahore, Pakistan
| | - Uzma Saleem
- Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | - Fareeha Anwar
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Lahore, Pakistan
| | - Samra Nazir
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Lahore, Pakistan
| | - Muhammad Furqan Akhtar
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Lahore, Pakistan
| | - Bashir Ahmad
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Lahore, Pakistan
| | - Tariq Ismail
- Department of Pharmacy, COMSATS University Islamabad - Abbottabad Campus, Abbottabad, Pakistan
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7
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L-Theanine Decreases Orofacial Dyskinesia Induced by Reserpine in Rats. Neurotox Res 2018; 34:375-387. [DOI: 10.1007/s12640-018-9897-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 03/20/2018] [Accepted: 03/28/2018] [Indexed: 01/13/2023]
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8
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Glantz-Gashai Y, Meirson T, Reuveni E, Samson AO. Virtual screening for potential inhibitors of Mcl-1 conformations sampled by normal modes, molecular dynamics, and nuclear magnetic resonance. DRUG DESIGN DEVELOPMENT AND THERAPY 2017; 11:1803-1813. [PMID: 28684899 PMCID: PMC5484510 DOI: 10.2147/dddt.s133127] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Myeloid cell leukemia-1 (Mcl-1) is often overexpressed in human cancer and is an important target for developing antineoplastic drugs. In this study, a data set containing 2.3 million lead-like molecules and a data set of all the US Food and Drug Administration (FDA)-approved drugs are virtually screened for potential Mcl-1 ligands using Protein Data Bank (PDB) ID 2MHS. The potential Mcl-1 ligands are evaluated and computationally docked on to three conformation ensembles generated by normal mode analysis (NMA), molecular dynamics (MD), and nuclear magnetic resonance (NMR), respectively. The evaluated potential Mcl-1 ligands are then compared with their clinical use. Remarkably, half of the top 30 potential drugs are used clinically to treat cancer, thus partially validating our virtual screen. The partial validation also favors the idea that the other half of the top 30 potential drugs could be used in the treatment of cancer. The normal mode-, MD-, and NMR-based conformation greatly expand the conformational sampling used herein for in silico identification of potential Mcl-1 inhibitors.
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Affiliation(s)
| | - Tomer Meirson
- Faculty of Medicine in the Galilee, Bar Ilan University, Safed, Israel
| | - Eli Reuveni
- Faculty of Medicine in the Galilee, Bar Ilan University, Safed, Israel
| | - Abraham O Samson
- Faculty of Medicine in the Galilee, Bar Ilan University, Safed, Israel
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9
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Rofaeil RR, Kamel MY, Abdelzaher WY. Different effects of selective β1-adrenoceptor antagonists, nebivolol or atenolol in acetaminophen-induced hepatotoxicity of rats. Fundam Clin Pharmacol 2017; 31:165-173. [DOI: 10.1111/fcp.12253] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 08/23/2016] [Accepted: 11/10/2016] [Indexed: 12/13/2022]
Affiliation(s)
- Remon R. Rofaeil
- Faculty of Medicine; Minia University; Minia El Minia 61111 Egypt
| | - Maha Y. Kamel
- Faculty of Medicine; Minia University; Minia El Minia 61111 Egypt
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Peres FF, Levin R, Suiama MA, Diana MC, Gouvêa DA, Almeida V, Santos CM, Lungato L, Zuardi AW, Hallak JEC, Crippa JA, Vânia D, Silva RH, Abílio VC. Cannabidiol Prevents Motor and Cognitive Impairments Induced by Reserpine in Rats. Front Pharmacol 2016; 7:343. [PMID: 27733830 PMCID: PMC5040118 DOI: 10.3389/fphar.2016.00343] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Accepted: 09/13/2016] [Indexed: 12/29/2022] Open
Abstract
Cannabidiol (CBD) is a non-psychotomimetic compound from Cannabis sativa that presents antipsychotic, anxiolytic, anti-inflammatory, and neuroprotective effects. In Parkinson's disease patients, CBD is able to attenuate the psychotic symptoms induced by L-DOPA and to improve quality of life. Repeated administration of reserpine in rodents induces motor impairments that are accompanied by cognitive deficits, and has been applied to model both tardive dyskinesia and Parkinson's disease. The present study investigated whether CBD administration would attenuate reserpine-induced motor and cognitive impairments in rats. Male Wistar rats received four injections of CBD (0.5 or 5 mg/kg) or vehicle (days 2-5). On days 3 and 5, animals received also one injection of 1 mg/kg reserpine or vehicle. Locomotor activity, vacuous chewing movements, and catalepsy were assessed from day 1 to day 7. On days 8 and 9, we evaluated animals' performance on the plus-maze discriminative avoidance task, for learning/memory assessment. CBD (0.5 and 5 mg/kg) attenuated the increase in catalepsy behavior and in oral movements - but not the decrease in locomotion - induced by reserpine. CBD (0.5 mg/kg) also ameliorated the reserpine-induced memory deficit in the discriminative avoidance task. Our data show that CBD is able to attenuate motor and cognitive impairments induced by reserpine, suggesting the use of this compound in the pharmacotherapy of Parkinson's disease and tardive dyskinesia.
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Affiliation(s)
- Fernanda F Peres
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
| | - Raquel Levin
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
| | - Mayra A Suiama
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
| | - Mariana C Diana
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
| | - Douglas A Gouvêa
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
| | - Valéria Almeida
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
| | - Camila M Santos
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
| | - Lisandro Lungato
- Department of Psychobiology, Federal University of São Paulo São Paulo, Brazil
| | - Antônio W Zuardi
- Department of Neuroscience and Behavior, University of São PauloRibeirão Preto, Brazil; National Institute for Translational Medicine - National Council for Scientific and Technological DevelopmentRibeirão Preto, Brazil
| | - Jaime E C Hallak
- Department of Neuroscience and Behavior, University of São PauloRibeirão Preto, Brazil; National Institute for Translational Medicine - National Council for Scientific and Technological DevelopmentRibeirão Preto, Brazil
| | - José A Crippa
- Department of Neuroscience and Behavior, University of São PauloRibeirão Preto, Brazil; National Institute for Translational Medicine - National Council for Scientific and Technological DevelopmentRibeirão Preto, Brazil
| | - D'Almeida Vânia
- Department of Psychobiology, Federal University of São Paulo São Paulo, Brazil
| | - Regina H Silva
- Department of Pharmacology, Federal University of São Paulo São Paulo, Brazil
| | - Vanessa C Abílio
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
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(-)Epigallocatechin-3-gallate prevents the reserpine-induced impairment of short-term social memory in rats. Behav Pharmacol 2016. [PMID: 26196076 DOI: 10.1097/fbp.0000000000000171] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Reserpine has been confirmed to induce cognitive dysfunction and increase brain neural oxidative stress. Green tea catechins, particularly (-)epigallocatechin-3-gallate (EGCG), have strong antioxidative properties and can protect against numerous oxidative damages. In this study, we examined the possible protective effects of EGCG on reserpine-induced impairment of short-term memory in rats. Reserpine (1 mg/kg, intraperitoneal)-induced memory impairment was assessed using the social recognition task method; locomotor activity and the olfactory discrimination ability were not altered as measured by an open-field test and an olfactory discrimination test, respectively. EGCG treatment (100 and 300 mg/kg, intraperitoneal, for 7 days, starting 6 days before the reserpine injection) could improve the worsened social memory of reserpine-treated rats. Also, EGCG treatment reduced reserpine-induced lipid peroxidation and enhanced the antioxidation power in the hippocampi of reserpine-treated rats. These results suggest a protective effect of EGCG in treating reserpine-induced impairment of memory, most probably through its powerful antioxidative activities. Accordingly, EGCG may hold a clinically relevant value in preventing reserpine-induced cognitive dysfunction.
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12
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Nade VS, Kawale LA, Zambre SS, Kapure AB. Neuroprotective potential of Beta vulgaris L. in Parkinson's disease. Indian J Pharmacol 2016; 47:403-8. [PMID: 26288473 PMCID: PMC4527062 DOI: 10.4103/0253-7613.161263] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Revised: 10/13/2014] [Accepted: 06/12/2015] [Indexed: 11/24/2022] Open
Abstract
Objective: The objective was to investigate the neuroprotective role of Beta vulgaris in Parkinson's disease (PD). Materials and Methods: PD was induced by administration of reserpine (5 mg/kg/day, i.p for 5 consecutive days), haloperidol (1 mg/kg, i.p.), and tacrine (2.5 mg/kg, i.p.) in experimental animals. The symptoms of PD such as tremors, akinesia, rigidity, catalepsy, and vacuous chewing movements (VCMs) were evaluated. Foot shock-induced aggression (FSIA) model was used to confirm anti-parkinsonian activity. The methanolic extract of Beta vulgaris (MEBV) was administered at doses of 100, 200, and 300 mg/kg, p.o. The combination of L-dopa and carbidopa was used as a standard drug. Behavioral studies such as locomotor activity and grip strength were determined, and oxidative stress was evaluated in FSIA model in rat brain. Results: Pretreatment with MEBV (200 and 300 mg/kg) significantly reduced the intensity of muscular rigidity, duration of catalepsy, akinesia, the number of tremors, VCMs, and increase fighting behavior. The locomotor activity and grip strength were significantly increased by MEBV. In FSIA, the biochemical analysis of brain revealed the increased level of lipid peroxidation (LPO) and decreased levels of superoxide dismutase (SOD) and catalase (CAT). MEBV significantly reduced LPO level and restored the defensive antioxidant enzymes SOD and CAT in rat brain. Conclusions: The results indicated the protective role of B. vulgaris against PD. The mechanism of protection may be due to augmentation of cellular antioxidants.
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Affiliation(s)
- Vandana S Nade
- Department of Pharmacology, MVP Samaj's College of Pharmacy, Nashik, Maharashtra, India
| | - Laxman A Kawale
- Department of Pharmacology, MVP Samaj's College of Pharmacy, Nashik, Maharashtra, India
| | - Shankar S Zambre
- Department of Pharmacology, MVP Samaj's College of Pharmacy, Nashik, Maharashtra, India
| | - Amit B Kapure
- Department of Pharmacology, MVP Samaj's College of Pharmacy, Nashik, Maharashtra, India
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Leão AH, Sarmento‐Silva AJ, Santos JR, Ribeiro AM, Silva RH. Molecular, Neurochemical, and Behavioral Hallmarks of Reserpine as a Model for Parkinson's Disease: New Perspectives to a Long-Standing Model. Brain Pathol 2015; 25:377-90. [PMID: 25726735 PMCID: PMC8029054 DOI: 10.1111/bpa.12253] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2014] [Accepted: 02/23/2015] [Indexed: 12/12/2022] Open
Abstract
The administration of reserpine to rodents was one of the first models used to investigate the pathophysiology and screening for potential treatments of Parkinson's disease (PD). The reserpine model was critical to the understanding of the role of monoamine system in the regulation of motor and affective disorders, as well as the efficacy of current PD treatments, such as L-DOPA and dopamine agonists. Nevertheless, with the introduction of toxin-induced and genetic models of PD, reserpine became underused. The main rationale to this drawback was the supposed absence of reserpine construct validity with PD. Here, we highlight classical and recent experimental findings that support the face, pharmacological, and construct validity of reserpine PD model and reason against the current rationale for its underuse. We also aim to shed a new perspective upon the model by discussing the main challenges and potentials for the reserpine model of PD.
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Affiliation(s)
- Anderson H.F.F. Leão
- Memory Studies LaboratoryDepartment of PhysiologyUniversidade Federal do Rio Grande do NorteNatalRNBrazil
| | - Aldair J. Sarmento‐Silva
- Memory Studies LaboratoryDepartment of PhysiologyUniversidade Federal do Rio Grande do NorteNatalRNBrazil
| | - José R. Santos
- Biology DepartmentUniversidade Federal de SergipeSão CristóvãoSEBrazil
| | - Alessandra M. Ribeiro
- Memory Studies LaboratoryDepartment of PhysiologyUniversidade Federal do Rio Grande do NorteNatalRNBrazil
- Department of BiosciencesUniversidade Federal de São PauloSantosSPBrazil
| | - Regina H. Silva
- Memory Studies LaboratoryDepartment of PhysiologyUniversidade Federal do Rio Grande do NorteNatalRNBrazil
- Behavioral Neuroscience LaboratoryDepartment of PharmacologyUniversidade Federal de São PauloSão PauloSPBrazil
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Wang MH, Lin RF, Tseng HC, Soung HS, Chang KC, Tsai CC. (-) Epigallocatechin-3-gallate attenuates reserpine-induced orofacial dyskinesia and oxidative stress in rat striatum. Pharmacol Biochem Behav 2015; 131:71-6. [PMID: 25668129 DOI: 10.1016/j.pbb.2015.02.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2014] [Revised: 01/21/2015] [Accepted: 02/02/2015] [Indexed: 11/19/2022]
Abstract
Reserpine-induced orofacial dyskinesia (OD) has been used for decades as an animal model for human tardive dyskinesia (TD) because both of them have pathophysiology strongly associated with striatal oxidative stress. Green tea catechins, especially (-) epigallocatechin-3-gallate (EGCG), have potent antioxidative effects and are able to protect against various oxidative injuries. In this study, we examined the potential protective effects of EGCG on reserpine-induced behavioral and neurochemical dysfunction in rats. Reserpine treatment (1mg/kgs.c. one injection every other day, three injections total) induced significant increases (p<0.001) in the frequency of vacuous chewing movement (VCM) and tongue protrusion (TP) as well as the duration of facial twitching (FT). EGCG treatment (100mg/kgi.p. for 11days, starting 7days before the reserpine injections) was able to prevent most of the reserpine-induced OD. Also, EGCG treatment was able to reduce the reserpine-induced lipid peroxidation (LPO) production, and enhances the antioxidation power in the striatum of reserpine-treated rats. The above results indicate that EGCG has a protective role against reserpine-induced OD, probably via its powerful antioxidative properties. Thus, EGCG may possible have a clinically relevant therapeutic effect in preventing, delaying or even treating TD.
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Affiliation(s)
- Mao-Hsien Wang
- Department of Anesthesia, En Chu Kon Hospital, Sanshia District, New Taipei City 23702, Taiwan, ROC; Department of Optometry, Yuanpei University, Hsinchu 30015, Taiwan, ROC
| | - Rui-Feng Lin
- Department of Neurosurgery, Mackay Memorial Hospital, Taipei 10449, Taiwan, ROC
| | - Hsiang-Chien Tseng
- Department of Anesthesiology, Shin Kong Wu Ho-Su Memorial Hospital, Taipei 11101, Taiwan, ROC; School of Medicine, Fu Jen Catholic University, New Taipei City 24205, Taiwan, ROC
| | - Hung-Sheng Soung
- Department of Psychiatry, Yuan-Shan br. of Taipei Veteran General Hospital, Yilan County 26604, Taiwan, ROC
| | - Kuo-Chi Chang
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 10608, Taiwan, ROC
| | - Cheng-Chia Tsai
- Department of Neurosurgery, Mackay Memorial Hospital, Taipei 10449, Taiwan, ROC; Graduate Institute of Injury Prevention and Control, Taipei Medical University, Taipei 11031, Taiwan, ROC.
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