Inhibitory effect of icariin on expression of myelin inhibitory factors in the central nervous system of rats with focal cerebral ischemia

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摘要 Icariin,themajoractivecomponentofChinesemedicinalherbepimediumbrevicornummaxim,isusedwidelyintraditionalChinesemedicineforthetreatmentofneurologicaldiseases.However,theeffectsoficariinonmyelininhibitoryfactorsareasyetunclear.Inthepresentstudy,administrationoficariinat20mg/kgshowedamarkedreductioninneurologicaldeficitofmiddlecerebralarteryocclusionrats.Icariinexhibitedbetterinhibitoryeffectsonmyelininhibitoryfactors:Nogo-A,myelin-associatedglycoproteinandoligodendrocytemyelinglycoproteininischemiaregionsofmiddlecerebralarteryocclusionratscomparedwithmonosialotetrahexosylganglioside.Theseresultsindicatethaticariinexhibitspotentinhibitoryeffectsonexpressionofmyelininhibitorsaftermiddlecerebralarteryocclusion-inducedfocalcerebralischemiainvivo.Thiseffectmaybemediated,atleastinpart,bytheinhibitionofbothNogo-A,myelin-associatedglycoproteinandoligodendrocytemyelinglycoproteinactivation,followedbytheenhancementofaxonalsproutingandregeneration,resultinginneurologicalfunctionalrecovery.
机构地区 不详
出版日期 2010年12月22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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