醒脑静对大鼠脑缺血再灌注中bcl-2beclin1的表达量的影响及机制的初步探讨-effect of xingnaojing on bcl - 2 be clin 1 expression and its mechanism during cerebral ischemia-reperfusion in rats.docxVIP
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醒脑静对大鼠脑缺血再灌注中bcl-2beclin1的表达量的影响及机制的初步探讨-effect of xingnaojing on bcl - 2 be clin 1 expression and its mechanism during cerebral ischemia-reperfusion in rats
间相互作用的方式抑制I/R过程中的自噬反应。关键词:醒脑静(XNJ),自噬,缺血再灌注(I/R),WB,MRIStudyoneffectivemechanismofXNJantagonistBcl-2/Beclin1interactionmediatedAutophagyofischemiaandreperfusionABSTRACTObjective:StudytherelationshipbetweentheXingnaojing(XNJ)andtheexpressionofBcl-2/Beclin1amongtheautophagyofischemiaandreperfusion.Methods:(1)Make120MACOmodelsthatare2scoresmodelsbyZealongastandard,weightbetween280~300g.Separatethesemodelsintotwopartsbyrandom-principle:MRIpartandWesternBlotpart.(2)MRIpartmodelsaredividedupinto3groups:blankcontrolgroup(3models)、modelcontrolgroup(7models)、XNJgroup(10models);WesternBlotpartmodelsaredividedupinto10groupsthathave10modelsineverygroup:modelcontrolgroup、solventgroup、XNJ0.5mlgroup、XNJ1.0mlgroup、XNJ1.5mlgroup、XNJ2.0mlgroup、3-METHYLADENINE(3-MA)group、3-MA+XNJgroup、Rapamycin(Rapa)group、RAPA+XNJgroup.(3)TheratsofthisexperimentareallSPFmale.Themodelsoftheblankcontrolgrouparethehealthyrats.ThemodelsofthemodelcontrolgroupareMOCAmodels,andwithoutanydrug.Themodelsofthesolventgrouparegiven3mlpurewater.IntheXNJgroups,themodelsareinjectedXNJbytheplan.Inthemix-group,themodelsareinjected2mlXNJ.Themodelsofthe3-MAand3-MA+XNJgroupsaregiven1mg3-MA.ThemodelsofRAPAandRAPA+XNJgroupsaregiven1mgRAPA(.4)IntheMRIpart,wedetecttheincreaseamountofthecerebralinfarctionvolume;IntheWBpart,detecttheexpressionchangeamountoftheBCL-2、Beclin1andLC3.Results:(1)MRIshows:inthethreegroups,thevolumeofthecerebralinfarctionisbiggerthanthe24hbefore(P0.05);(2)MRIshows:theincreaseamountofthecerebralinfarctionvolumeintheXNJgroupislessthanthemodelcontrolgroup(P0.05).(3)Comparewiththemodelcontrolgroup,theexpressionamountoftheBeclin1andLC3isless,theexpressionamountoftheBCL-2ishigher(P0.05).(4)TheexpressionamountofBcl-2inthehigh-dosagegroupishigherthanthelow-dosage;whiletheBeclin1andtheLC3islesser.(5)TherelationshipoftheBCL-2andBeclin1expressionamountisnegativecorrelations.(6)TheXNJcaninhibittheautophagyleadingbytheRAPA,andcanenhance3-MAontheinhibitionofautophagy.Conclusions:(1)TheXNJcaninhibittheautophagyinthep
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