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《补脑膏对脑缺血再灌注损伤模型大鼠神经保护作用的机制研究》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、方药。●筠理研宓WesternJourna[ofTraditionalChineseMedicine,2013Vo1.26No.10补脑膏对脑缺血再灌注损伤模型大鼠神经保护作用的机制研究李妍怡’,杨瑞龙,刘志军’,张小荣’,东红’,朱若昕1甘肃省中医院,甘肃兰州730050;2沈阳医学院[摘要]目的:观察补脑膏对大鼠局灶性脑缺血再灌注损伤后的神经保护作用,并探讨其作用机制,为补脑膏临床治疗中风提供理论依据和技术支撑。方法:雄性SPF级sD大鼠8O只,随机分为假手术组8只、模型组24只、补脑膏大剂量组24只、补脑膏小剂量24只。其中模型组、补脑膏大剂量组、补脑膏小剂量组再分为缺
2、血再灌注24、48和72小时3个亚纽,各亚组8只大鼠。除假手术组外,均采用大脑中动脉线栓法制备大鼠脑缺血再灌注损伤模型,各药物组再灌1小时后,灌胃给药补脑膏,2次/d;模型组予生理盐水灌胃。模型组及各药物纽于再灌注3小时观察神经功能缺损症状并进行评分,再灌注24.48和72小时末断头取材,TTC染色检测脑梗死组织比重、ELISA法测定脑组织中NGF、BDNF表达量。结果:①补脑膏大剂量组在再灌注48、72小时与模型组比较,大鼠神经功能缺损评分具有显著差异(P<0.05);而补脑膏小剂量组仅在再灌注72小时,大鼠神经功能缺损评分方面与模型组比较存在差异(P<0.05)。②补脑膏
3、大、小剂量组与模型组相比,梗死脑组织比重明显降低(P<0.05)。③再灌注24、48、72小时时,补脑膏犬、小剂量组脑组织脑源性神经营养因子(BDNF)、神经生长因子(NGF)的表达较模型组均增加(P4、03StudyontheMechanismofNeuroprotecfiveFunctionofBuNaoGaoforRatModelwithCerebralIschemlaReperfusionInjuryLIYanyi,YANGRuilong,L1UZhijun,ZHANGXiaoronf,DONGHong,ZHURuoxinGansuProvincialHospitalofTraditionalChineseMedicine,Lanzhou730050,China,"2ShenyangMedicalCollegeAbstract0bjective:Toobservene5、uroprotectivefimctionofBuNooGaofortheratsuferingfromfocalcere—bralischemiareperfusioninjury,todiscussitsmechanism,thereforetoprovidetheoreticalevidenceandtechnicalsupportforthetherapy.Method:All80ratswererandomizedinto8ratsintheshamoperationgroup.24ratsinthemodelgroup,24ratsinhighdosagegrou6、pofBuNaoGaoand24ratsinthelowdosagegroupofBuNaoGao.Amongthem,themodelgroup,highdosagegroupandlowdosegroupofBuNaoGaocouldbedividedintothreesub—groupsat24,48and72hoursofischemia·reperfusion,8ratseachsubgroup.Exceptshamoperationgroup,themodelwasestablishedbymiddlecerebralarteryocclusion(MCAO),a7、fterreperfusionforonehour,themodelsreceivedintra.gastricadministrationofBuNaoGao,twiceperday;themodelgroupreceivedlavageofphysiologicalsaline.Afterreperfusionforthreehours,neurologicalimpairmentsymptomswereobservedandassessed,afterreperfusionfor24,48and7
4、03StudyontheMechanismofNeuroprotecfiveFunctionofBuNaoGaoforRatModelwithCerebralIschemlaReperfusionInjuryLIYanyi,YANGRuilong,L1UZhijun,ZHANGXiaoronf,DONGHong,ZHURuoxinGansuProvincialHospitalofTraditionalChineseMedicine,Lanzhou730050,China,"2ShenyangMedicalCollegeAbstract0bjective:Toobservene
5、uroprotectivefimctionofBuNooGaofortheratsuferingfromfocalcere—bralischemiareperfusioninjury,todiscussitsmechanism,thereforetoprovidetheoreticalevidenceandtechnicalsupportforthetherapy.Method:All80ratswererandomizedinto8ratsintheshamoperationgroup.24ratsinthemodelgroup,24ratsinhighdosagegrou
6、pofBuNaoGaoand24ratsinthelowdosagegroupofBuNaoGao.Amongthem,themodelgroup,highdosagegroupandlowdosegroupofBuNaoGaocouldbedividedintothreesub—groupsat24,48and72hoursofischemia·reperfusion,8ratseachsubgroup.Exceptshamoperationgroup,themodelwasestablishedbymiddlecerebralarteryocclusion(MCAO),a
7、fterreperfusionforonehour,themodelsreceivedintra.gastricadministrationofBuNaoGao,twiceperday;themodelgroupreceivedlavageofphysiologicalsaline.Afterreperfusionforthreehours,neurologicalimpairmentsymptomswereobservedandassessed,afterreperfusionfor24,48and7
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