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Abstract Title:

Neuroprotective effect of Crocus sativus against cerebral ischemia in rats.

Abstract Source:

Metab Brain Dis. 2019 Nov 14. Epub 2019 Nov 14. PMID: 31728890

Abstract Author(s):

Rehab F Abdel-Rahman, Sally A El Awdan, Rehab R Hegazy, Dina F Mansour, H A Ogaly, Marwan Abdelbaset

Article Affiliation:

Rehab F Abdel-Rahman

Abstract:

The present study aimed to investigate the role of vascular endothelial growth factor (VEGF) in the neuroprotective effect of Crocus sativus (saffron) against cerebral ischemia/reperfusion injury (I/R) in rats. Four groups of a total forty I/R rats with 60-min occlusion followed by 48 h reperfusion or sham surgery were used. The sham and left-brain I/R control groups where treated with normal saline. The rats of the other two groups received saffron extract (100 or 200 mg/kg, ip, respectively) for 3 successive weeks prior to left-brain I/R. Other four doses of saffron extractwere received by the rats of the last 2 groups 60 min prior to operation, during the surgery, and on days 1 and 2 following reperfusion. I/R group showed marked neurobehavioral, neurochemical and histopathological alterations. The results revealed a significant reduction in neurological deficit scores in the saffron-treated rats at both doses. Saffron significantly attenuated lipid peroxidation, decreased NO and brain natriuretic peptide (BNP) contents in I/R-brain tissue. On the other hand, saffron reversed the depletion of GSH in the injured brain. Moreover, saffron treatment evidently reduced apoptosis as revealed by a decrease in caspase-3 and Bax protein expression with a marked decrease in the apoptotic neuronal cells compared to I/R group. In addition, saffron administration effectively upregulated the expression of VEGF in I/R-brain tissue. In conclusion, saffron treatment offers significant neuroprotection against I/R damage possibly through diminishing oxidative stress and apoptosis and enhancement of VEGF.

Study Type : Animal Study

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