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时间:2020-05-07
《帕金森病患者外周血纯真、记忆和调节T细胞亚群分析-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、·196·中国神经免疫学和神经病学杂志014年5月第鲞蔓
2、n』eu!I1坠!,.,:帕金森病患者外周血纯真、记忆和调节T细胞亚群分析郝娟于顺陈彪李尧华摘要:目的研究帕金森病(PD)患者外周血淋巴细胞亚群的变化,并探讨其在疾病进程中的意义。方法选取典型的原发性PD患者34例及健康对照35名,采用流式细胞术检测外周血淋巴细胞中纯真(naive)、记忆(memory)及调节性(regulatory)T细胞亚群百分比,比较两组间各T细胞亚群的差异。结果与对照组比较,PD患者外周血T淋巴细胞中杀伤性纯真T细胞亚群(CD8。CD45RA
3、—CD45RO一)百分比明显增高(P<0.01),杀伤性记忆T细胞亚群(cD8CD45RA—CD45RO)和调节性T细胞亚群(CD4。。CD25FoxP3。)百分比均明显降低(P<0.01),而辅助性纯真T细胞亚群(CD4。。CD45RACD45RO)和辅助性记忆T细胞亚群(CD4CD45RA—CD45RO。)与健康者比较无统计学差异。结论PD患者外周血淋巴细胞中杀伤性纯真T细胞亚群、杀伤性记忆T细胞亚群及调节性T细胞亚群百分比与健康者间存在统计学差异,细胞免疫失衡可能参与了PD的病理进程。关键词:帕金森病;T淋巴细胞亚群;
4、T淋巴细胞,辅助诱导;纯真T细胞;记忆T细胞;T淋巴细胞,调节性中图分类号:R742.5文献标识码:A文章编号:10062963(2014)020196-04Analysisofnaive,memory,andregulatoryTlymphocytesubgroupsinperipheralbloodofParkinson’Sdiseasepa。tientsHA0Juan,YUShun,CHENBiao,LIYao—hua.DepartmentofNeurobiology,Xuan~vuHospi—tal,CapitalM
5、edicalUniversity;LaboratoryofMolecularDiagnosis,BeijingGeriatricMedicalResearchCen£r;KeyLaboratoryofNe“rodegenern£i8Disease,Ministry0,Education,Beijing100053,ChinaCorrespondingauthor:LIYao—hua,Email:liyaohua@tcrnet.cnABSTRACT:OectiveToinvestigatethepercentageandsig
6、nificanceofnaive,memory,andregulatoryTlymphocytesubgroupsintheperipheralbloodofpatientswithParkinson’Sdisease(PD).MethodsThirty-fourPDpatientswereenrolled.ThepercentagesofnaiveTcells(CD4一CD45RA—CD45RO,CD8。CD45RA。。CD45RO一),memoryTcells(CD4。。CD45RACD45RO,CD8CD45RA—CD
7、45RO)andregulatoryTcells(CD4。。CD25。。Foxp3)weredetectedandanalyzedbyflowcytometryandcomparedwith35normalcontrols.ResultsThepercentageofCD8。。CD45RACD45RO—cellsinthePDgroupwashigher(P<0.01),whilethepercentagesofCD8。。CD45RA—CD45RO。。andCD4CD25。。FoxP3。。cellsinthePDgroupw
8、erelowerthanthoseofthecontrolgroup(P<0.01).TherewasnosignificantdifferenceofthepercentagesofCD4CD45RA。。CD45ROandCD4CD45RACD45RO—cellsbetweenthePDgroupandthecontrolgroup.ConclusionsThealterationsofthepercentagesofCD8。。CD45RACD45RO。。.CD8一CD45RACD45ROandCD4“CD25FoxP3c
9、ellsinthePDgroupleadtothecellimmunedisturbance,whichmayplayrolesinthepathologicalprogressofthePD.Keywords:Parkinson’Sdisease;Tlymphocytessubsets;
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