Effects of magnesium sulfate on brain mitochondrial respiratory function in rats after experimental traumatic brain injury

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摘要 Objective:Tostudytheeffectsofmagnesiumsulfateonbrainmitochondrialrespiratoryfunctioninratsafterexperimentaltraumaticbraininjuryandthepossiblemechanism.Methods:ThemiddledegreebraininjuryinratswasmadebyBIM-IIImulti-functionimpactingmachine.Thebrainmitochondrialrespiratoryfunctionwasmeasuredwithoxygenelectrodeandtheultra-structuralchangeswereobservedwithtransmissionelectronmicroscope(TEM).Results:1.ThebrainmitochondrialrespiratorystageIIIandrespirationcontrolratereducedsignificantlyintheuntreatedgroupswithin24and72hours.ButtreatedGroupAshowedcertaindegreeofrecoveryofrespiratoryfunction;treatedGroupBshowedfurtherimprovement.2.UntreatedGroup,treatedGroupsAandBhaddifferentdegreesofmitochondrialultra-structuraldamagerespectively,whichcouldbeattenuatedafterthetreatmentwithmagnesiumsulfate.Conclusions:Themitochondrialrespiratoryfunctiondecreasessignificantlyaftertraumaticbraininjury.ButitcanbeapparentlyimprovedaftermagnesiumsulfatemanagementalongwiththeattenuateddamageofmitochondriadiscoveredbyTEM.Thelongercourseoftreatmentcanobtainabetterimprovementofmitochondrialrespiratoryfunction.
机构地区 不详
出版日期 2002年06月16日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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