Abstract Title:

Grape Seed Extract Alone or Combined with Atropine in Treatment of Malathion Induced Neuro- and Genotoxicity.

Abstract Source:

J Nanosci Nanotechnol. 2018 Jan 1 ;18(1):564-575. PMID: 29768882

Abstract Author(s):

Omar M E Abdel-Salam, Asmaa F Galal, Mahrousa M Hassanane, Lamiaa M Salem, Somaia A Nada, Fatma A Morsy

Article Affiliation:

Omar M E Abdel-Salam


The aim of this study was to investigate the effect of treatment with grape seed extract (GSE) on the neurotoxic and genotoxic effects of acute malathion exposure. Rats received malathion (150 mg/kg by i.p. injection) for two successive days alone or combined with GSE at doses of 150 or 300 mg/kg, orally or with GSE at 300 mg/kg and atropine at a dose of 2 mg/kg, i.p. Malondialdehyde (MDA), reduced glutathione (GSH), nitric oxide, paraoxonase (PON1) were determined in cortex, striatum, and rest of brain tissue (subcortex). Interleukin-1β (IL-1β), and butyrylcholinesterase (BChE) activities were determined in brain regions. Cytogenetic analyses for chromosomal aberrations in somatic and germ cells, micronucleus test, Comet assay, DNA fragmentation of liver cells and histopathological examination of brain and liver sections were also performed. Malathion resulted in an increase in MDA, nitric oxide; a decrease in GSH and PON1 activity in different brain regions. IL-1β increased, while BChE activity decreased in brain after the administration of malathion. The insecticide also caused marked structural and numerical chromosomal aberrations and increased liver DNA fragmentation. The Comet assay showed a significant increase in DNA damage of peripheral blood lymphocytes. These effects of malathion were alleviated with the administration of GSE alone or combined with atropine. Addition of atropine to treatment with GSE wasassociated with significant decrease in MDA, BChE and chromosomal aberrations compared with GSE only treatment. Our data indicate that GSE protects against malathion neurotoxic and genotoxic effects, most likely through reducing brain oxidative stress and inflammatory response.

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