预览加载中,请您耐心等待几秒...
1/4
2/4
3/4
4/4

在线预览结束,喜欢就下载吧,查找使用更方便

如果您无法下载资料,请参考说明:

1、部分资料下载需要金币,请确保您的账户上有足够的金币

2、已购买过的文档,再次下载不重复扣费

3、资料包下载后请先用软件解压,在使用对应软件打开

小白菊内酯干预Jurkat细胞粘附骨髓基质细胞的作用及机制 Abstract JurkatcellsarehumanleukemiaTcellsthatcanadheretothebonemarrowmicroenvironment,facilitatingthesurvivalandproliferationoftumorcells.Inthisstudy,weinvestigatedtheeffectofmatrineontheadhesionbetweenJurkatcellsandbonemarrowstromalcells.TheresultsshowedthatmatrinesignificantlyinhibitedtheadhesionofJurkatcellstobonemarrowstromalcells.Furthermore,werevealedthatmatrinecoulddown-regulatetheexpressionofintegrinα4,whichisessentialfortumorcellstoadheretothebonemarrowmicroenvironment.Thesefindingsdemonstratethatmatrinemaybeapotentialtherapeuticagentforleukemiabytargetingtumorcelladhesiontothebonemarrowmicroenvironment. Introduction Leukemiaisamalignanthematologicaldiseasecharacterizedbytheabnormalproliferationanddifferentiationofhematopoieticstemcells.Tcellacutelymphoblasticleukemia(T-ALL)isasubtypeofleukemiathatarisesfromthetransformationofimmatureTcellsinthethymus.JurkatcellsareahumanTcellleukemiacelllinecommonlyusedasamodelforT-ALL.OneofthekeyfeaturesofT-ALListheabilityoftumorcellstoadheretothebonemarrowmicroenvironment,whichplaysacrucialroleinthepathogenesisandprogressionofleukemia.Adhesionbetweentumorcellsandbonemarrowstromalcellsleadstotheactivationofsignalingpathwaysthatpromotethesurvivalandproliferationoftumorcells,aswellasthegenerationofdrugresistance.Therefore,targetingtumorcelladhesiontothebonemarrowmicroenvironmentisaneffectivestrategyforleukemiatherapy. MatrineisatraditionalChinesemedicineextractderivedfromSophoraflavescensAit.Ithasbeenwidelyusedinthetreatmentofvariousdiseases,includingcancer.Previousstudieshaveshownthatmatrinehasanti-cancereffectsinavarietyoftumormodels,includingleukemia.However,themechanismunderlyingtheanti-tumoreffectofmatrineonleukemiacellsremainsunclear.Inthisstudy,weinvestigatedtheeffectofmatrineontheadhesionbetweenJurkatcellsandbonemarrowstromalcellsandexploredthepossiblemolecularmechanisms. MaterialsandMethods Cellculture JurkatcellsandhumanbonemarrowstromalcellswereobtainedfromthecellbankoftheChineseAca