Effect of Carica papaya L. Extract Protect Against Oxidative Stress in Rat Model of Focal Cerebral Ischemia

Authors

  • Pratchaya Kaewkaen Burapha University College of Research Methodology and Cognitive Science

Abstract

Stroke has been recognized as one of the most dangerous killer diseases in Thailand and worldwide. It has been reported that stroke is the common cause of neurological problems that mainly found leads to mortality or disability problems. However, the effective protective and therapeutic strategies had not effective. Therefore, this study is carried out to screening the neuroprotective effect of Carica papaya L. extract against cerebral ischemia. Rats were fed with 50, 150 and 450 mg / kg ripe papaya extract for 14 days prior to induce middle cerebral artery. Then, the rats were measure the brain infarction volume and oxidative markers. The results demonstrated that all doses of Carica papaya L.  extract reduced brain infarction volume in the cortex striatum and hippocampus. In addition, the lipid peroxidation product was decreased, increased the activity of glutathione peroxidase (GSH.px) superoxide dismutase (SOD) and catalase (CAT) in cortex. The spatial memory had been increase according to reduce the escape latency time at dose 150 and 450 mg/kg BW in Healthy Condition. Therefore, in conclusion, Carica papaya   L. extract has potential to be developed as a novel effective therapeutic agent against ischemic stroke. However, further study on the other pathways in cerebral ischemia has to be conducted for elucidating the precise mechanism of action. Keywords:  cerebral artery occlusion, papaya extract, animal model of stroke, scavenging enzyme

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Published

2019-01-16