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时间:2020-05-03
《YC-1对 Aβ寡聚体毒性的保护作用及其相关机制-论文.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、·2014年5月·第9卷·第3177·论著·YC一1对A[3寡聚体毒性的保护作用及其相关机制闰鹏,乔娴,刘金玲,孙圣刚,郑瑾摘要目的:探讨YC一1针对A[3寡聚体(ADDLs)毒性的保护作用及其相关机制。方法:原代培养小鼠皮质作者单位神经元及星形胶质细胞混合培养体系,应用不同浓度ADDLs(500nmol/L、1mol/L、2mol/L、5mo儿、华中科技大学同济医10p,mol/L、20txmol/L)干预以模拟体外AD模型,应用YC.1对此模型进行干预,以CCK-8法检测细胞活学院附属协和医院神力,Westernblot检测NICD
2、及缺氧诱导因子.1et(HIF—let)水平,采用real—timePCR检测Caspase.3mRNA经内科水平。结果:浓度I>2i~mol/L的ADDLs干预明显降低混合培养体系细胞活力水平,并呈现浓度依赖性(P<武汉430022O.01)。10p~mol/LADDLs持续干预4h显著降低细胞活力(P3、mol/LADDLs干预4h显著提高Caspase一3的mRNA水平(P<0.01),YC.1可显著年基金抑制这种上调(P<0.05)。结论:ADDLs表现出对原代培养小鼠皮质神经元及星形胶质细胞混合培养体系的(No.81301085)毒性作用,YC一1可发挥保护作用。收稿日期关键词YC.1;A13寡聚体;保护作用;NICD;缺氧诱导因子.10【2013.12.31中图分类号R741;R741.02文献标识码ADOI10.3870/~ssq.2014.03.002通讯作者ProtectiveEfectofYC-1AgainstADDLs4、-inducedTOxicityandHIF-letRelatedMechanism郑瑾YANPeng,QIAOXian.LJin-ling,SUNSheng-gang,ZHENGJin.DepartmentofNeurology,UnionHospital,wickey4083@gmaiLTongjiMedicalCollege,HuazhongUniversityofScienceandTechnology,Wuhan430022,ChinaC0mAbstractObjective:Tostudytheprotectiveefect5、ofYC一1againstADDLsfA13oligomers)-inducedtoxicityandrelatedmechanism.Methods:Diferentconcentrations(500nmol/L,li~moUL,2~mol/L,,5txmo1]L,10i~mol/L.20~mol/L)ofADDLswereusedtointervenetheprimaryco-culturesystemofmousecorticalneuronsandastrocytes,andYC一1wasappliedatthesametim6、e.CCK-8assayswereusedtoassesscellvitalityofco—culturecells.NICDandHIF—lolevelsofprimaryco—culturesystemwereassessedwithwesternblot,andreal-timePCRwasusedtodetectapoptosisassociatedCaspase一3mRNAlevelofco—culturesystem.Results:ADDLsat≥2mO1/Lreducedtheeellviabilityoftheco.c7、ulturesysteminaconcentration-dependentmanner(P<0.01).Exposureto10txmol/LADDLsfor4hoursshowedobvioustoxiceffectontheco—culturesystem(P8、sureof10i~mol/LADDLsfor4hours(P
3、mol/LADDLs干预4h显著提高Caspase一3的mRNA水平(P<0.01),YC.1可显著年基金抑制这种上调(P<0.05)。结论:ADDLs表现出对原代培养小鼠皮质神经元及星形胶质细胞混合培养体系的(No.81301085)毒性作用,YC一1可发挥保护作用。收稿日期关键词YC.1;A13寡聚体;保护作用;NICD;缺氧诱导因子.10【2013.12.31中图分类号R741;R741.02文献标识码ADOI10.3870/~ssq.2014.03.002通讯作者ProtectiveEfectofYC-1AgainstADDLs
4、-inducedTOxicityandHIF-letRelatedMechanism郑瑾YANPeng,QIAOXian.LJin-ling,SUNSheng-gang,ZHENGJin.DepartmentofNeurology,UnionHospital,wickey4083@gmaiLTongjiMedicalCollege,HuazhongUniversityofScienceandTechnology,Wuhan430022,ChinaC0mAbstractObjective:Tostudytheprotectiveefect
5、ofYC一1againstADDLsfA13oligomers)-inducedtoxicityandrelatedmechanism.Methods:Diferentconcentrations(500nmol/L,li~moUL,2~mol/L,,5txmo1]L,10i~mol/L.20~mol/L)ofADDLswereusedtointervenetheprimaryco-culturesystemofmousecorticalneuronsandastrocytes,andYC一1wasappliedatthesametim
6、e.CCK-8assayswereusedtoassesscellvitalityofco—culturecells.NICDandHIF—lolevelsofprimaryco—culturesystemwereassessedwithwesternblot,andreal-timePCRwasusedtodetectapoptosisassociatedCaspase一3mRNAlevelofco—culturesystem.Results:ADDLsat≥2mO1/Lreducedtheeellviabilityoftheco.c
7、ulturesysteminaconcentration-dependentmanner(P<0.01).Exposureto10txmol/LADDLsfor4hoursshowedobvioustoxiceffectontheco—culturesystem(P8、sureof10i~mol/LADDLsfor4hours(P
8、sureof10i~mol/LADDLsfor4hours(P
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