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ID:54601082
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时间:2020-05-03
《微波消融治疗对肝癌小鼠调节性T细胞的影响-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、现代肿瘤医学2014年3月第22卷第3期MODERNONCOLOGY,Mar2014,VOL22,NO03·523·微波消融治疗对肝癌小鼠调节性T细胞的影响12曲韬,唐裕福TheinfluenceofmicrowaveablationonpresenceofregulatoryTcellsinhepatocellularcarcinoma-bearingmice12QuTao,TangYufu12DepartmentofGastroenterology,YangsiHospitalofShanghai,Shanghai200126,China;DepartmentofGeneralSur
2、gery,ThePeople'sLiberationArmy202Hospital,LiaoningShenyang110001,China.【Abstract】Objective:ToinvestigatethenumberandfunctionofregulatlatoryTcellsaftermicrowaveablationanddiscusstheeffectofmicrowaveablationonimmuneresponeoftumor-bearingmice.Methods:Tumor-bearingmicewasestablishedbysubcutaneousinocula
3、tionofH22hepatocelluarcarcinomacells.Themicesweresubjectedtomicrowaveablationwhenthesizeoftumorwasabout1cmindiameter.Flowcytometrywasusedtodetecttheexpressionof+++++theimmunologicalcellsinspleenofmice,suchasCD4CD25Tcells,CD25FOXP3Tcells,CD4Tcells,+++CD8Tcells.Results:Comparedwithtumor-bearingmicesc
4、ontrolgroup,thepercentageofCD4CD25T++cellsorCD25FOXP3Tcellshaddecreasedsignificantlyatday21aftermicrowaveablation(10.33%±3.52%vs14.30%±4.35%,P<0.05,3.03%±1.64%vs4.72%±1.54%,P<0.05),especiallyatday28(9.04%±4.31%vs14.30%±4.35%,P<0.01,2.91%±1.68%vs4.72%±1.54%,P<0.05).However,therateof++CD4/CD8rasiedgra
5、duallyinspleenoftumor-bearingmicetreatedwithmicrowaveablation,significantlyatday21(1.55±0.45vs1.16±0.39,P<0.05).Conclusion:MicrowaveablationinthetreatmentoflowerTregsratiomaybethemajormechanismofthermalablationtherapyimprovesanti-tumorimmunity.Microwaveablationoftumorresultedinreducingthenumderandfu
6、nctionofregulatoryTcellsandincreasingthepercentageofTcellsubsets,whichmeanstheimmunityfunctionofbodywouldbeimprovedwhenthetumorsweretreatedwithmicrowaveablation.【Keywords】microwaveablation;hepatocellularcarcinoma;regulatoryTcell;FOXP3ModernOncology2014,22(03):0523-0526【摘要】目的:研究微波消融治疗荷肿瘤后小鼠的Treg和淋巴细胞
7、亚群的变化,探讨微波消融治疗荷瘤小鼠后的机体免疫功能的变化。方法:建立H22荷瘤小鼠模型,分为荷瘤对照组和微波消融组。微波消融荷瘤小++++++鼠肿瘤。流式细胞术检测脾脏中的CD4CD25T细胞、CD25FOXP3T细胞、CD4T细胞、CD8T细胞。++结果:与荷瘤对照组相比,微波消融治疗后21天、28天组小鼠CD25FOXP3T细胞明显下降,差异有统计学++意义(P<0.05),以术后28天下降
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