摘要
Objective:Squamousesophagealcarcinomaishighlyprevalentindevelopingcountries,especiallyinChina.TuBeiMu(TBM),atraditionalfolkmedicine,hasbeenusedtotreatesophagealsquamouscellcarcinoma(ESCC)foralongterm.tubeimosideI(TBMS1)isthemaincomponentofTBM,exhibitinggreatanticancerpotential.Inthisstudy,weinvestigatedthemechanismofTBMS1cytotoxiceffectonEC109cells.Methods:Comparativenuclearproteomicapproachwasappliedinthecurrentstudyandweidentifiedseveralalteredproteinspots.Furtherbiochemicalstudieswerecarriedouttodetectthemitochondrialmembranepotential,cellcycleandcorrespondingproteins’expressionandlocation.Results:SubcellularproteomicstudyinthenucleusfromEC109cellsrevealedthatalteredproteinswereassociatedwithmitochondrialfunctionandcellproliferation.FurtherbiochemicalstudiesshowedthatTBMS1-inducedmoleculareventswererelatedtomitochondria-inducedintrinsicapoptosisandP21-cyclinB1/cdc2complex-relatedG2/Mcellcyclearrest.Conclusions:ConsideringtheconventionalapplicationofTBMinesophagealcancer,TBMS1thereforemayhaveagreatpotentialasachemotherapeuticdrugcandidateforESCC.
出版日期
2013年03月13日(中国期刊网平台首次上网日期,不代表论文的发表时间)