橄榄苦苷对小鼠脑缺血再灌注损伤的保护作用

doi:10.16431/j.cnki.1671-7236.2016.09.025

Abstract

Abstract:

To explore the protection role and mechanism of oleuropein and edaravone on cerebral ischemia-reperfusion injury in mice.Fifty mice were divided into five groups:Sham operation group,model group,oleuropein group,edaravone group,oleuropein+edaravone group.The model was established by ligating common carotid artery.After modeling,the mice were administrated with oleuropein,edaravone and oleuropein+edaravone for 21 d,respectively.The contents of TNF-α,IL-1β and IL-10 were detected by radioimmunoassay.The activities of ATPase,MPO,SOD and CAT and MDA content were measured by spectrophotometry.The changes of BDNF expression in cerebral cortex were analyzed by immunohistochemistry and Western blotting.The results showed that compared to sham operation group,the contents of TNF-α,IL-1β,MDA and MPO activity in model group were extremely significantly increased (P<0.01),and the levels of IL-10,ATPase,SOD and CAT in model group were extremely significantly reduced (P<0.01),the BDNF expression in model group was extremely significantly decreased (P<0.01).Compared to model group,the contents of TNF-α,IL-1β,MDA and MPO activity in oleuropein,edaravone,and oleuropein+edaravone groups were extremely significantly decreased (P<0.01),the levels of IL-10,ATPase,SOD and CAT were extremely significantly increased (P<0.01),the BDNF expression was extremely significantly up-regulated in cerebral cortex of treatment group (P<0.01).Furthermore,the oleuropein+edaravone combined administration showed a better effect.The treatments of oleuropein and edaravone had a protective effect on cerebral ischemia reperfusion injury,the mechanisms of which might depend on improving neurological function,reducing free radical lesion and inhibiting inflammatory response.Moreover,the oleuropein+edaravone combination therapy might have an additive effect.

Key words: oleuropein; cerebral ischemia-reperfusion injury; edaravone; inflammatory factors; energy metabolism dysfunction; antioxidant capacity; BDNF

CLC Number:

R285

WANG Yu, QIN Xu. Protective Effects of Oleuropein on Cerebral Ischemia-reperfusion Injury in Mice[J]. , 2016, 43(9): 2388-2394.

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Protective Effects of Oleuropein on Cerebral Ischemia-reperfusion Injury in Mice

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