Neuroprotective Efficacy of Edaravone against Arsenic-Induced Behavioral and Neurochemical Deficits in Rats: Amelioration of Cholinergic and Mitochondrial Functions

Mandeep Arora; Deepika Singh; Ritu TomarAshok Jangra

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Neuroprotective Efficacy of Edaravone against Arsenic-Induced Behavioral and Neurochemical Deficits in Rats: Amelioration of Cholinergic and Mitochondrial Functions

机译：Neuroprotective Efficacy of Edaravone against Arsenic-Induced Behavioral and Neurochemical Deficits in Rats: Amelioration of Cholinergic and Mitochondrial Functions

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Background: A substantial amount of evidence indicates that long-term arsenic exposure leads to various types of pathological complications, especially cognitive dysfunction. Objective: The present study was designed to assess the neuroprotective potential of edaravone (a potent free radical scavenger) against arsenic-induced neurotoxicity in Wistar rats. Methods: Adult male Wistar rats were randomly divided into five groups. Arsenic (20 mg/kg/day; p.o.) and Edaravone (5 and 10 mg/kg/day; i.p.) were administered in different experimental groups for 28 days. Results: The results of various behavioral test paradigms revealed that arsenic caused significant learning and memory deficits, along with anxiety-like behavior. In biochemical analysis, we found marked elevations of oxidative-nitrosative stress (indicated by augmentation of lipid peroxidation and nitrite) and a reduction of glutathione levels in the hippocampus and frontal cortex region of arsenictreated rats. Moreover, arsenic administration caused mitochondrial complexes impairment and reduction of acetylcholinesterase level. On the other hand, chronic treatment with edaravone (10 mg/kg) significantly ameliorated the arsenic-induced behavioral deficits and neurochemical anomalies. Conclusion: This study suggests that edaravone confers neuroprotection against arsenic-induced memory impairment and anxiety-like behavior, which may be attributed to the inhibition of oxidativenitrosative stress and amelioration of cholinergic and mitochondrial functions.

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《CNS & neurological disorders drug targets》 |2023年第1期|125-136|共12页
作者
Mandeep Arora; Deepika Singh; Ritu TomarAshok Jangra;
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作者单位

DIT University,School of Pharmaceutical and Population Health Informatic,Dehradun,India,|KIET;

KIET School of Pharmacy, KIET Group of Institutions,Department of Pharmacology,Ghaziabad,India,;

DIT University,School of Pharmaceutical and Population Health Informatics,Dehradun,India,KIET School of Pharmacy, KIET Group of Institutions,Department of Pharmacology,Ghaziabad,India;

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正文语种英语
中图分类神经病学与精神病学;
关键词
Arsenic; edaravone; oxidative-nitrosative stress; neurotoxicity; cognitive deficits; hippocampus.;

Neuroprotective Efficacy of Edaravone against Arsenic-Induced Behavioral and Neurochemical Deficits in Rats: Amelioration of Cholinergic and Mitochondrial Functions

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