Protective Effects of Pelargonium graveolens Essential Oil on Methomyl-Induced Oxidative Stress and Spatial Working Memory Impairment in Association with Histopathological Changes in the Hippocampus of Male Wistar Rats
| Autor: | Zaida Faiza, Baz Ahsene, Chabane Kahina, Mameri Saâdia, Giaimis Jean, Habchi Nawel, Toumi Mohamed, Khene M'hammed Amine |
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| Rok vydání: | 2020 |
| Předmět: |
Antioxidant
medicine.medical_treatment Methomyl Spatial working memory Aspartate transaminase Pharmacology medicine.disease_cause Hippocampus 01 natural sciences 03 medical and health sciences Cellular and Molecular Neuroscience medicine Hippocampus (mythology) 030504 nursing biology biology.organism_classification 0104 chemical sciences 010404 medicinal & biomolecular chemistry Oxidative stress Catalase Toxicity biology.protein Pelargonium graveolens Alkaline phosphatase Neurology (clinical) 0305 other medical science Research Paper |
| Zdroj: | Basic and Clinical Neuroscience |
| ISSN: | 2008-126X 2228-7442 |
| DOI: | 10.32598/bcn.11.4.1402.1 |
| Popis: | Introduction: Methomyl (MET) is a carbamate insecticide, used in agriculture and public health to eliminate harmful insects. Besides its advantages in agriculture, it causes neurotoxic effects. The aim of this study was to evaluate the effect of MET on Spatial Working Memory (SWM), oxidative stress parameters, and histopathological changes in the hippocampus, as well as the possible protective role of Pelargonium graveolens Essential Oil (EO). Methods: Male Wistar rats were randomized into four groups of six animals: group I as the control that received the vehicle; group II received EO (75 mg/kg b.w), group III received MET (2 mg/kg b.w); and group IV received both MET and EO. The rats were administered the respective doses orally by gavage for 28 days. SWM was assessed using Y-maze on the day before the first treatment and day 28 after the last dose. They were sacrificed by decapitation and their brains were taken for assessing oxidative stress parameters and histopathological analysis. Results: MET treatment caused SWM deficits. Furthermore, drastic changes were observed in aspartate transaminase, alanine aminotransferase, and alkaline phosphatase activities. The level of malondialdehyde significantly increased, whereas antioxidant (glutathioneS-transferase and catalase) enzyme activities significantly decreased. The CA1 region of the hippocampus of rats exposed to MET revealed severe histological alterations. However, supplementation with EO improved SWM and partially restored the activities of antioxidant systems and prevented neuronal cell damage. Conclusion: P. graveolens EO has the potential in mitigating most of the adverse effects in the hippocampus and prevents SWM impairment induced by MET toxicity. |
| Databáze: | OpenAIRE |
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