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Abstract Title:

Kolaviron, a biflavonoid ofseed mitigates ischemic/reperfusion injury by modulation of pro-survival and apoptotic signaling pathways.

Abstract Source:

J Intercult Ethnopharmacol. 2017 Jan-Mar;6(1):42-49. Epub 2016 Sep 28. PMID: 28163959

Abstract Author(s):

Ademola Adetokunbo Oyagbemi, Dirk Bester, Johan Esterhuyse, Ebenezer Olatunde Farombi

Article Affiliation:

Ademola Adetokunbo Oyagbemi

Abstract:

OBJECTIVE: The study was designed to investigate the ameliorative effect of Kolaviron (KV) on ischemic/reperfusion injury in experimental animal models.

MATERIALS AND METHODS: Male Wistar rats were randomly divided into two groups: Group 1 received corn oil as a vehicle and rats in Group 2 were administered KV at 200 mg/kg for 4 weeks. The rats were fed with rat standard chow pellet and water administered. After 4 weeks of KV administration, hearts were excised and mounted on the working heart perfusion system. Western blot analysis for protein expression was carried out on frozen heart samples.

RESULTS: There was significant (<0.05) reduction in the activity of catalase, superoxide dismutase, and glutathione peroxidase with concomitant reduction in oxygen radical absorbance capacity in ischemic rat heart of control compared to group pre-treated with KV, respectively. Similarly, intracellular reactive oxygen species and malondialdehyde were significantly elevated in control compared to KV pre-treated rats. KV significantly increased total Akt/protein kinase B (PKB), phosphorylated Akt/PKB at serine 473 and also caused a significant reduction in p38 mitogen-activated protein kinase, Caspase 3, and cleaved poly adenosine diphosphate ribose polymerase.

CONCLUSION: Taken together, KV offered significant cardioprotection via free radical scavenging activity and upregulation of pro-survival pathway.

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Sayer Ji
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