简介：Mitochondriaplayanimportantroleinneuronalapoptosiscausedbycerebralischemia,andtheroleismediatedbytheexpressionofmitochondrialproteins.Thisstudyinvestigatedtheinvolvementofmitochondrialproteinsinhippocampalcellapoptosisaftertransientcerebralischemia-reperfusioninjuryinagedratsusingacomparativeproteomicsstrategy.Ourexperimentalresultsshowthattheagedratbrainissensitivetoischemia-reperfusioninjuryandthattransientischemialedtocellapoptosisinthehippocampusandchangesinmemoryandcognitionofagedrats.Differentialproteomicsanalysissuggestedthatthisphenomenonmaybemediatedbymitochondrialproteinsassociatedwithenergymetabolismandapoptosisinagedrats.Thisstudyprovidespotentialdrugtargetsforthetreatmentoftransientcerebralischemia-reperfusioninjury.