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时间:2019-05-28
《纳豆素对大鼠腹主动脉血栓形成的抑制作用》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、吴胜英等.纳豆素对大鼠腹主动脉血栓形成的抑制作用·5·[文章编号]1oo6—9674(2oo3)O1一OO5一O4纳豆素对大鼠腹主动脉血栓形成的抑制作用吴胜英,钟光珍,董献红。,任永生,梁学军‘,唐朝枢(郧阳医学院病生理教研室,湖北十堰442000。北京大学第一医院心血管研究所。河南省新乡医学院生理学教研室;‘北京大学医学部公共卫生系)[摘要]日的:在复制大鼠血栓模型上,通过动态观察血压的变化、比较血栓的大小以及检测纤溶酶原激活物抑制物(PAD、组织型纤溶酶原激活物(tPA)活性等指标,观察纳豆索的溶栓效
2、应。方藩:S—D大鼠随机分五组(,l=40),用不同浓度的纳豆索灌胃,同等剂量的蚓激酶设为阳性对照,用Powerlab/4s生理多导仅描记股动脉血压,血栓干重用考马斯亮蓝法蛋白定量,采用酶联免疫法测定血浆中PAI及tPA活性。结果:纳豆索组与对照组、单纯血栓组相比,复制血栓前血压无显著性差异(P>O.o5),血栓复制后40rain,纳豆索组、蚓激酶组血压下降幅度(一11.62士7.36、一8.37士1O.29、一7.28士4.54)与单纯血栓组血压下降幅度(-59.97士12.29)相比具有显著性差异(P
3、4、IIratWUSheng-埘,zH()NGGuang-Zhenz,DONG)【iarI—Hong3,以a5、1.(DP加砌姗fofPathophysiology,YunyangMedicalCollege,Shoan,HubeiProvince,442000t。DepartmentofPhysiology,PekingUniversityHealthScienceCenter,Beijing1Ooo83)珧hlct:ObiectivoTostudytheefectofNattokinaseOnthethrombusformationinthethrombusmodel,thechangeofbloodpress6、ure,thesizeofthrombusandtheactivityofplasminogenactivatorinhibimr(PA1)Ortissueplasminogenactivator(tPA)weremeasured.MethoclsBeforemakingthrombusmodelbycoatingtheabdornialaortatl1fUterpapersoakedin30R3S—Dratsweredividedintofivegroupsrandomly,fedtl1Nattokin7、aseOr。Lumbrukinaseornormalchowrespectivdyfortwodays.efemoralarterypressuresweretracedbyPowerlab/4s.TheproteincontentsofthethrombusweredeterminedbyBradfordmethod.ThePAJandtPAactivityweredetectedby日胤Re铷№Thedecreasedlevd0ffemoralarterypressureoftheratsfedwit8、hNattoklnaseorLumbmkimsewerelower(一11.62士7.36、-8.37士1O.29、-7.28士4.54)thanthatoftheratsfedwithnormalchow(一59.97士12.29,P9、w(P
4、IIratWUSheng-埘,zH()NGGuang-Zhenz,DONG)【iarI—Hong3,以a
5、1.(DP加砌姗fofPathophysiology,YunyangMedicalCollege,Shoan,HubeiProvince,442000t。DepartmentofPhysiology,PekingUniversityHealthScienceCenter,Beijing1Ooo83)珧hlct:ObiectivoTostudytheefectofNattokinaseOnthethrombusformationinthethrombusmodel,thechangeofbloodpress
6、ure,thesizeofthrombusandtheactivityofplasminogenactivatorinhibimr(PA1)Ortissueplasminogenactivator(tPA)weremeasured.MethoclsBeforemakingthrombusmodelbycoatingtheabdornialaortatl1fUterpapersoakedin30R3S—Dratsweredividedintofivegroupsrandomly,fedtl1Nattokin
7、aseOr。Lumbrukinaseornormalchowrespectivdyfortwodays.efemoralarterypressuresweretracedbyPowerlab/4s.TheproteincontentsofthethrombusweredeterminedbyBradfordmethod.ThePAJandtPAactivityweredetectedby日胤Re铷№Thedecreasedlevd0ffemoralarterypressureoftheratsfedwit
8、hNattoklnaseorLumbmkimsewerelower(一11.62士7.36、-8.37士1O.29、-7.28士4.54)thanthatoftheratsfedwithnormalchow(一59.97士12.29,P9、w(P
9、w(P
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