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dc.contributor.advisor김승현-
dc.contributor.author김영철-
dc.date.accessioned2024-03-01T07:32:20Z-
dc.date.available2024-03-01T07:32:20Z-
dc.date.issued2018.2-
dc.identifier.urihttp://hanyang.dcollection.net/common/orgView/200000432228en_US
dc.identifier.urihttps://repository.hanyang.ac.kr/handle/20.500.11754/188216-
dc.description.abstractExcessiveactivationofPoly(ADP-ribose)polymerase-1(PARP-1)afterischemicstrokeisknowntodevelopneuronalapoptosis,necrosisandinflammation.ThepresentstudyinvestigatedinvitroandinvivoneuroprotectiveeffectsofanovelPARP-1inhibitor,JPI-289.TheinhibitorstronglyinhibitedPARP-1activity(IC50=18.5nM)andcellularPARlevel(IC50=10.7nM).Inratcorticalneuronalcells,JPI-289didnotaffectcellviabilityupto1mMasshownintrypanbluestaining(TBS)andlactatedehydrogenase(LDH)assays.Inoxygenglucosedeprived(OGD)ratcorticalneuron,treatmentofJPI-289attenuatedPARPactivityandrestoredATPandNAD+levels.JPI-289treatmentintheOGDmodelshoweddecrementofapoptosis-associatedmoleculesincludingapoptosis-inducingfactor(AIF),cytochrome-Candcleavedcaspase-3.AftertheevaluationofJPI-289invitromodel,weinvestigatedtheneuroprotectiveeffectsofJPI-289inratpermanentandtransientstrokemodels.Intransientmiddlecerebralarteryocclusion(MCAO)modelinrats,JPI-289treatmentshowedsignificantreductionofinfarctedareaofbrain,whichwasmaximalatthedoseof10mg/kgupto36%reduction.Thetherapeutictimewindowwas8hoursforreductionofischemicvolumeupto29%.Moreover,numberofapoptoticcellsdecreasedby56%comparedtocontrol.WhenmodelwastwitchedtopermanentMCAOmodelinrats,JPI-289treatmentsignificantlyreducedinfarctedvolumeupto20%atthedoseof40mg/kg,andimprovedbehavioralsocre.AlongwithstableandsafedataofnovelPARP-1inhibitor,JPI-289onpharmacokineticsandtoxicology,itseffectivenessonischemicstrokemodelsandmodesofactionmechanismssuggestthatJPI-289couldbeapotentialtherapeuticagentforthetreatmentofacuteischemicstroke.-
dc.publisher한양대학교-
dc.titleTherapeuticeffectsofanovelPARP-1inhibitor,JPI-289,inmodelsofacuteischemicstroke-
dc.title.alternative급성허혈성뇌졸중에서새로운PARP-1억제제(JPI-289)의치료효과-
dc.typeTheses-
dc.contributor.googleauthor김영철-
dc.contributor.alternativeauthorKim,Young-Chul-
dc.sector.campusS-
dc.sector.daehak대학원-
dc.sector.department의학과-
dc.description.degreeDoctor-
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GRADUATE SCHOOL[S](대학원) > MEDICINE(의학과) > Theses (Ph.D.)
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