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《活血開(kāi)竅湯對(duì)大鼠腦缺血再灌注損傷no含量與細(xì)胞凋亡的影響》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫(kù)。
1、天津醫(yī)科人學(xué)碩士學(xué)位論文KaiQiaoHuoXue.decoction,adultmaleWistarratswereusedasexperimentalanimals.MaleWistarratswererandomlydividedinto5groups:blankgroup,shamgroup,modelgroupandtherapygroup.Everygrouparebreedindifferentcagesunderthesamecondition.Ratsofthetherapygroupwereintragastricallyadministeredtheapprop
2、riatedosesofChinesemedicineHuoXueKaiQiao-decoction,andthesamedosesofPhysiologicalSalinetotheshamandmodelgroupseachdayfor5daysbeforeischemiainduction,andadministrationwascontinueduntilsacrificeatconclusionoftheexperiment.Thecerebralischemiawasinducedby90minofmiddlecerebralarteryocclusion(MCAO),w
3、hichwasbasedonthemethoddescribedinitiallybyZea.Longa[1Slwithimprovement.At24hoursand48hoursaftel‘themodelsweremade,werapidlykilltheratsandcompletelytakeoutofthebraintissue,halfofwhicharemadetohomogenatetodetecttheNOcontent.Theotherbrainaretakenafterheartperfusionbyparaformaldehyde,andtobeusedto
4、observetheApoptosisandpathologicalchangebythewayofstaining.WedetectthecontentofNOinthebraintissuefluidsamplesbyusingnitratereductasemethodinstrictaccordancewiththestepsofthekit,observetheapoptosisbyTUNEL,andpathologicalchangebyhematoxylinandeosinstain.ResuItsByexperimentalobservation,pathologic
5、alobservationsindicatethatafter24h,48hthenumberofthedamagednervecelloftheratsthattreatedbyHuoXueKaiQiao.decoctionwaslarge,anddamagedseverely.Whilethedegreeofdamagearesignificantlylighterinthetherapygroup.ItwasdeterminedthatthecontentofNOandtheneuronalapoptosisinthebraintissueofratsinmodelgroupw
6、eresignificantlyincreased(P7、and48hoursandmitigatethedamagetothebrainIV大津醫(yī)科人學(xué)碩士學(xué)位論文tissuebyreducingthecontentofNO,theexperimentalresultsalsoshowthattheHuoXueKaiQiao-decoctioncaninhibitthedevelopmentofischemiccellsapoptosis,delayorpreventtheneuronaldeathproces