ibrolipim通过lxrα途径促进thp1巨噬细胞源性泡沫细胞abca1和abcg1的表达及胆固醇流出-ibraipim promotes the expression of abca1 and abc g1 in th p1 macrophage-derived foam cells and cholesterol efflux through lxr α pathway.docx
- 1、本文档共48页,可阅读全部内容。
- 2、有哪些信誉好的足球投注网站(book118)网站文档一经付费(服务费),不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
- 3、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。如您付费,意味着您自己接受本站规则且自行承担风险,本站不退款、不进行额外附加服务;查看《如何避免下载的几个坑》。如果您已付费下载过本站文档,您可以点击 这里二次下载。
- 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“版权申诉”(推荐),也可以打举报电话:400-050-0827(电话支持时间:9:00-18:30)。
查看更多
ibrolipim通过lxrα途径促进thp1巨噬细胞源性泡沫细胞abca1和abcg1的表达及胆固醇流出-ibraipim promotes the expression of abca1 and abc g1 in th p1 macrophage-derived foam cells and cholesterol efflux through lxr α pathway
目录中文摘要2英文摘要4正文61前言62实验材料83实验方法104实验结果145讨论246结论26参考文献27附录34主要英文缩略语索引35文献综述36硕士期间发表的论文46致谢47Ibrolipim通过LXRα途径促进THP-1巨噬细胞源性泡沫细胞ABCA1和ABCG1的表达及胆固醇流出硕士研究生:陈四国导师:唐朝克教授中文摘要目的:本研究以THP-1巨噬细胞源性泡沫细胞为研究对象,采用多种实验方法,探讨Ibrolipim对ABCA1(ATP-bindingcassettetransporterA1,ABCA1)、ABCG1(ATP-bindingcassettetransporterG1,ABCG1)表达和胆固醇流出的影响,并进一步探讨其可能机制。方法:THP-1单核细胞经PMA诱导贴壁后,加入oxLDL诱导其转化为泡沫细胞,经各种因素处理后,运用液体闪烁计数器检测细胞内胆固醇流出,高效液相色谱分析细胞内总胆固醇、游离胆固醇和胆固醇酯含量,用实时荧光定量PCR和Western印迹分析法分别检测ABCA1、ABCG1和肝X受体α(liverXreceptorα,LXRα)mRNA与蛋白质的水平。结果:实验结果显示,Ibrolipim能在基因和蛋白水平明显增加ABCA1、ABCG1和LXRα的表达,促进细胞内胆固醇流出并减少细胞内胆固醇含量。LXRα-siRNA能减弱Ibrolipim上调ABCA1和ABCG1的作用,逆转Ibrolipim引起的细胞内胆固醇流出增加和胆固醇含量减少。结论:Ibrolipim通过LXRα途径促进THP-1源性巨噬细胞ABCA1和ABCG1的表达,从而增加THP-1巨噬细胞源性泡沫细胞内胆固醇流出,减少细胞内胆固醇含量。关键词:三磷酸腺苷结合盒转运体A1,三磷酸腺苷结合盒转运体G1,Ibrolipim,肝X受体,动脉粥样硬化。IbrolipimIncreasestheExpressionofABCA1/G1byLXRαSignalingPathwayinTHP-1Macrophage-DerivedFoamCells[ABSTRACT]OBJECTIVE:TheobjectiveofthisstudywastodeterminetheeffectsandpotentialmechanismsofIbrolipimoncholesteroleffluxfromhumanmacrophagefoamcells,whichmayplayacriticalroleinatherogenesis.MEHTODS:Inthepresentstudy,HumanTHP-1cellspre-incubatedoxLDLservedasfoamcellmodels.Real-timequantitativePCRandwesternblotwereconductedtodeterminetheeffectsofIbrolipimontheexpressionofABCA1andABCG1andLiverXreceptorα(LXRα).Liquidscintillationcountingandhighperformanceliquidchromatographyassayswereusedtotestcellularcholesteroleffluxandcholesterolcontent.RESULTS:IbrolipimsignificantlyincreasedcholesteroleffluxfromTHP-1macrophage-derivedfoamcelltoapoA-IorHDL.Moreover,itmarkedlyincreasedtheexpressionofATP-bindingmembranecassettetransporterA-1(ABCA1)andABCG1,Inaddition,LXRαwasalsoup-regulatedbyIbrolipimtreatment.AndLXRαsmallinterferingRNAcompletelyabolishedthepromotioneffectwhichwasinducedbyIbrolipim.CONCLUSION:IbrolipimincreasedABCA1andABCG1expressionandinhibitedcholesterolefflux,whichwasmediatedbyLXRαsignalingpathway.KEYWORDS:ATP-bindingcassettetransporterA1,ATP-bindingcassettetransporterG1,Ibrolipim,LXRα,Atheroscle
您可能关注的文档
- human cosavirus套式pcr检测方法的建立及基因组序列分析-establishment of nested pcr detection method for human cosa virus and analysis of its genome sequence.docx
- hustbackup备份系统中负载均衡算法的分析-analysis of load balancing algorithm in hust backup system.docx
- hur与hif1α在肾细胞癌中的表达及临床意义-expression and clinical significance of hur and hi f1 α in renal cell carcinoma.docx
- hugl1在人肺癌组织中的表达及其临床意义-expression of hugl 1 in human lung cancer tissues and its clinical significance.docx
- hucmscs通过il8促进hibd大鼠神经功能修复的实验研究-experimental study on huc mscs promoting neural function repair in hibd rats through il8.docx
- hust教师工作满意度测评体系分析-analysis of hust teachers' job satisfaction evaluation system.docx
- hvdc超高压直流输电系统控制保护软件的分析-analysis of control and protection software for hvdc uhvdc transmission system.docx
- htc08型透层油研究及应用-research and application of htc 08 oil permeable layer.docx
- hvaf与hvof铁基非晶涂层的结构与性能分析-structure and properties analysis of hvaf and hvof fe - based amorphous coatings.docx
- hv490b型压型钢板受力蒙皮体抗剪性能试验研究-experimental study on shear performance of hv 490b profiled steel sheet skin under stress.docx
文档评论(0)