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时间:2020-04-12
《《阿托伐他汀对低密度脂蛋白受体基因敲除小鼠IL-17a、LP-PLA2表达的影响》.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45卷第5期温州医科大学学报Vb1.45No.52015年5月JournalofWenzhouMedicalUniversityMay.2015■鬣潮■阿托伐他汀对低密度脂蛋白受体基因敲除小鼠IL.17a、LP—PLA2表达的影响倪云杰,林振浩,侯良磊,吴漪皓,宋丽娟,胡欢欢,黄晓燕,杨德业,(1.温州医科大学附属第一医院心内科,浙江温州325015;2.杭州师范大学附属医院心内科,浙江杭州310015)[摘要]目的:探讨阿托伐他汀对低密度脂蛋白受体基因敲除(LDLR./.)小鼠白介素.17a(IL.17a)、脂蛋白相关磷脂酶A2(LP-PLA2
2、)表达的影响。方法:取l8只8周龄雄性LDLR./、鼠,l2只给予高脂饮食(高脂饮食组)用于建立动脉粥样硬化模型,6只给予普通饮食作为普食对照组。8周后,将高脂饮食小鼠随机分成2组:高脂对照组(n=6)和治疗组(n=6,阿托伐他汀60mg·kg~·d灌胃),继续给予高脂饮食。8周后处死小鼠,全自动生化仪测血清血脂水平,肛染色观察斑块形态,qRT.PCR~J主动脉中IL.17a和LP.PLA2的mRNA表达,免疫组织化学法测斑块中IL.17a的表达,Westernblot法测主动脉中LP.PLA2的表达。结果:高脂对照组血清总胆固醇(TC)、低密度脂
3、蛋白(LDL)含量均明显高于普食对照组(均尸<0.05),甘油三酯(TG)含量两者差异无统计学意义(P>0.05o治疗组与高脂对照组相比,血清TC、LDL含量明显降低(均尸<0.05),TG含量两者差异无统计学意义(P>0.os)。高脂对照组小鼠主动脉组织内可见明显动脉粥样硬化斑块形成,斑块内IL-17a的平均吸光度值(MA)高于普食对照组(P<0.05o治疗组与高脂对照组相比,虎块明显减少,斑块内IL.17a的MA也明显降低(P<0.05)。高脂对照组主动脉IL.17a和LP.PLA2的mRNA表达以及LP.PLA2蛋白的表达均高于普食对照组(均
4、P<0.05o治疗组与高脂对照组相比,主动脉IL.17a和LP.PLA2的mRNA以及LP—PLA2蛋白的表达均明显降低(均P5、-PLA2inlow-densitylipoproteinreceptorknockoutmiceN1Yunjie,LINZhenhao,HOULianglei,WUm口D,SONGL~uan,HUHuanhuan,HUANGXiaoyane,YANGDeye.J.DepartmentofCardiology,theFirstAffiliatedHospitalofWenzhouMedicalUniversity,Wenzhou,325015;2.DepartmentofCardiology,theAfiliatedHospitalofHangzh6、ouNormalUniversity,Hangzhou。310015圈圈墨一Objective:ToinvestigatetheefectofatorvastatinonexpressionofIL一17a,LP.PLA2inLDLR-knockout(LDLR-/.、mice.Methods:Eighteen8.week-oldmaleLDLR-/-micewereraisedinsixcages.Twelvemicewerefedwithhighfatdietforestablishingatherosclerosismode1.Theothe7、rsixmicewerefedwithnormaldietwhichwasusedasthenormaldietcontrolgroup.Aftereightweeks.micefedwithhighfatdietweredividedintohighfatdietcontrolgroup(n=6)andatorvastatingroup(,l=6,60mg’kg-’dpergarage).Theothersixmicefedwithnormaldietwhichwasusedasnormaldietcontrolgroupandcontinued8、tofeednormaldiet.A11miceweresacrificedaftereightweeks.Automat
5、-PLA2inlow-densitylipoproteinreceptorknockoutmiceN1Yunjie,LINZhenhao,HOULianglei,WUm口D,SONGL~uan,HUHuanhuan,HUANGXiaoyane,YANGDeye.J.DepartmentofCardiology,theFirstAffiliatedHospitalofWenzhouMedicalUniversity,Wenzhou,325015;2.DepartmentofCardiology,theAfiliatedHospitalofHangzh
6、ouNormalUniversity,Hangzhou。310015圈圈墨一Objective:ToinvestigatetheefectofatorvastatinonexpressionofIL一17a,LP.PLA2inLDLR-knockout(LDLR-/.、mice.Methods:Eighteen8.week-oldmaleLDLR-/-micewereraisedinsixcages.Twelvemicewerefedwithhighfatdietforestablishingatherosclerosismode1.Theothe
7、rsixmicewerefedwithnormaldietwhichwasusedasthenormaldietcontrolgroup.Aftereightweeks.micefedwithhighfatdietweredividedintohighfatdietcontrolgroup(n=6)andatorvastatingroup(,l=6,60mg’kg-’dpergarage).Theothersixmicefedwithnormaldietwhichwasusedasnormaldietcontrolgroupandcontinued
8、tofeednormaldiet.A11miceweresacrificedaftereightweeks.Automat
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