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时间:2020-05-15
《急性淋巴细胞白血病患者化疗前后CD4+CD25+调节性T细胞变化及相关因素研究.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、56GuangxiMedicalJournal,知n.2015,37,No.1急性淋巴细胞白血病患者化疗前后CD4+CD25+调节性T细胞变化及相关因素研究陈江明(广西医科大学第七附属医院暨梧州市工人医院血液内科,梧州市543001,E-mail:364964899@qq.com)【摘要】目的观察急性淋巴细胞白血病(ALL)患者化疗前后外周血中CD4CD25调节性T细胞的变化。方法选择26例化疗后完全缓解的ALL患者进行自体对照研究,采用流式细胞术对化疗前后外周血中CD4CD25调节性T细胞进行检测,并采用ELIS
2、A检测血清中白细胞介素一10(IL-IO)、转化生长因子一B(TGF.B)水平,另选择同期体检健康志愿者20例为对照组,进行上述检查。比较对照组与ALL患者化疗前后外周血中CD4CD25调节性T细胞的变化。结果ALIJ患者化疗前CD4CD25调节性T细胞比例为(5.69±1.39)%,明显高于对照组(P<0.05)。ALL患者化疗后CD4CD25调节性T细胞比例明显较化疗前降低(P<0.05)。ALL患者化疗后CIMCD25调节性T细胞比例与对照组比较,差异无统计学意义(P>0.05)。ALL患者化疗前IL—lO和
3、TGF—B表达水平与对照组比较,差异有统计学意义(P<0.01)。ALL患者化疗后IL10和TGF—B水平与对照组比较,差异无统计学意义(P>0.05)。相关性分析显示,26例患者化疗前IL一10、TGF。p表达水平与CD4CD25调节性T细胞比例均呈正相关(P<0.05)。结论CD4CD25调节性T细胞水平在化疗前后具有显著差异,提示其可能与免疫抑制有关,该指标的检测有助于对ALIJ患者预后及治疗效果的判断。【关键词】急性淋巴细胞白血病;cD4CD25调节性T细胞;白细胞介素一10;转化生长因子一B【中图分类号】
4、R733.71【文献标识码】A【文章编号】0253-4304(2015)01—0056—03DoI:10.11675/j.issn.0253—4304.2015.01.18StudyofchangesinCD4CD25regulatoryTcellsofPafien~withacutelymphoblasticleukemiabeforeandafterchemotherapyandrelatedfactorsCHENJiang—ming(DepartmentofHemophathology,theSeventh锄
5、HmphdofGuaz~iMedicalUniversity,WuzhouWorkertSHospital,Wuzhou543001,Ch/na)【Abstract]ObjectiveToobservethechangesinCD4CD25regulatoryTcellsinperipheralbloodofpatientswithacutelymphoblasticleukemia(ALLbeforeandafterchemotherapy.MethodsAself-controlstudywasperforme
6、din26AIJLpatientswithcompleteremissionafterchemotherapy.Flowc~ometrywasusedtodetectCD4CD25regul~owTcellsinperipheralbloodbe~reandafterchemotherapy,andenzyme—linkedimmunosorbentassay(ELISA)wasusedtodetectthelevelsofserulninterleukin一10(IL-10)andtransforminggrow
7、thfactor—p(TGF—p).Twentyhealthyvolunteerswereselectedascontrolgroup,andtheyallreceivedtheexaminationsmentionedabove.ThechangesinCD4CD25regulatoryTcellsinperipheralbloodofALLpatientsbeforeandafterchemotherapywerecomparedbetweentwogroups.ResultsTheproportionofCD
8、4CD25regulatoryTceUswas(5.69±1.39)%inALLpatientsbeforechemotherapy,whichwassignificantlyhigherthanthatinthecontrolgroup(P<0.05、.TheproportionofCIMCIY25regulatoryTeeHsdecreasedsigni
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