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时间:2020-05-23
《活血益智片对小鼠学习记忆障碍和血管性痴呆模型的影响.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第14卷第4期辽宁中医药大学学报Vo1.14No.4J0URNALOFLIAONINGUNIVERSITYOFTCMApr.,20122012年4月活血益智片对小鼠学习记忆障碍和血管性痴呆模型的影响布秀娟’,刘畅,梁启超。(1.大庆医学高等专科学校,黑龙江大庆163312;2.大庆市龙南医院,黑龙江大庆163312;3.牡丹江医学院,黑龙江牡丹江157011)摘要:目的:观察活血益智片对小鼠学习记忆障碍和小鼠拟“血管性痴呆”模型的影响。方法:采用东莨菪碱、乙醇和亚硝酸钠致小鼠记忆获得障碍模型,通过跳台实验测试方法,观察活
2、血益智片对小鼠学习记忆障碍的改善作用;采用双侧颈总动脉反复缺血再灌注、同时腹腔注射硝普钠方法制备小鼠拟“血管性痴呆”(VD)模型,观察活血益智片对小鼠脑组织中乙酰胆碱酯酶(AChE)活力的影响。结果:药效学实验结果表明,活血益智片对东莨菪碱和乙醇致小鼠记忆获得障碍有一定的改善作用,能够增强模型小鼠的学习记忆能力(P<0.05);活血益智片能够对血管性痴呆小鼠脑组织中胆碱能神经起到一定的保护作用(P<0.05o结论:活血益智片能够改善脑反复缺血再灌注所引起的神经损伤,对血管性痴呆有一定的治疗作用。关键词:活血益智片;血管性
3、痴呆;反复缺血再灌注;乙酰胆碱酯酶中图分类号:R338.64文献标识码:A文章编号:1673—842X(2012)04—0236—03EffectofHuoxieYizhiTabletsonLearningandMemoryImpairmentandMiceModelofVascularDementiaBUXiu—juan,LIUChang,LIANGQi—chao(1.DaqingMedicalCollege,Daqing163312,HeiLongjiang,China;2.DaqingLongnanHospital
4、,Daqing163312,Heilongjiang,China;3.Muda~iangMedicalUniversity,Mudanjiang157011,Heilongiiang,China)Abstract:Objective:HuoxieYizhiTabletshasthefunction0fQi—invig0ratingandB10od—activating,intelligence—promotionandOrifice—Opening.ToinvestigatetheeffectofHuoxieYizhiT
5、abletsontheactivityofacetvlcholinesterase(AChE)inthemicemodelofvasculardementia.Methods:UsingthemousemodelwithacquiredmemorydisorderresultingfromhyoscineandalcoholbyStep-downtestandthemeansofwatermaze,itissuggestedthatHuoxicYizhiTabletscanimprovetheimpairedlearni
6、ngandmemoryinducedbyscopolamineinmice.Themicemodelofdementiabyischemia/reperfusionwasinducedbyrepeatedligationofbilateralcommoncarotidarteriestogetherwithanintraperitonealiniectionofsodiumnitroprusside.ToobservetheeffectofHuoxieYizhiTabletsontheactivityofacetvlch
7、olinesterase(AChE)inmousebraintissue.Result:ItissuggestedthatHuoxieYizhiTabletscanimprovetheimpairedlearningandmemoryinducedbyscopolamineinmice.HuoxieYizhiTabletshastheprotectiveeffectsoncholinergicneuronsinVDmodelmice.Conclusion:HuoxieYizhiTabletshasaverylowtoxi
8、city.Anditcanrevivetheneurologicimpairmentwhichwasinducedbytheischemia/reperfusionmodel,mighthavetherapeuticaleffectonvasculardementia.Keywords:HuoxieYizhitabl
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