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《外周血单个核细胞在Sonic hedgehog信号通路中的活化表达.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、华普通外科学.献(电子版)2015年4月第9卷第2期ChinArchGenSurg(ElectronicEdition),April2015,Vo1.9,No.2·论著·外周血单个核细胞在Sonichedgehog信号通路中的活化表达赵乾规梁森闫慧明z【摘要】目的探讨Sonichedgehog阻断抗体(ShhAb)对外周血单个核细胞(PBMCs)抗胃癌MC细胞作用的表达。方法Ficoll密度梯度离心法分离正常人PBMCs,并与胃癌MC细胞(GES一1细胞经亚硝酰胺类化合物处理)建立共培养体系;RT—PCR
2、观察Shh、Gli一1基因的表达并进行半定量数据分析;于共培养体系中加入Shh阻断抗体,流式细胞术检测CD3、CD5、CD69分子表达。结果RT—PCR结果显示Gli—lmRNA在MC+ShhAb细胞组值为0.2845~0.0025,低于MC细胞组的0.5167+0.0109(P3、onichedgehog蛋白;GES一1细胞;MNNG;淋巴细胞ActivationofexpressioninperipheralbloodmononuclearcellsinSonichedgehogpathwayZhaoQiankun,LiaugSer~2,YauHuiming2.ShanxiMedicalUniversity,Taiyuan030001,China,"2theSecondHospitalofShanxiMedicalUniversity,Taiyuan030001,ChinaCor4、respondingauthor:YauHuiming,Email:yanhuiming2003cn@126.com【Abstract】ObjectiveTodiscusstheexpressionofSonichedgehogblockingantibody(ShhAb)inperipheralbloodmononuclearcells(PBMCs)ofanti-gastriccancercells.MethodsHealthyhumanPBM—CswerecentfifugatedbyFieollde5、nsitygradient(GES一1cellsweretreatedbynitriteamides)andgastriccancercellswereco—culturedwithMC.Toobservetheexpressionandsemi-quantitativeanalysisofShhandGli一1byRT-PCR,ShhblockingantibodieswereaddedintheCO—culturesystem,andtheexpressionofCD3,CD5,CD69wasassa6、yedbyfloweytometry.ResultsRT—PCRshowedthatGli—lmRNAinMC+ShhAbcellgroupwas0.2845±0.0025,lowerthantheMCcellgroup0.5167±0.0109(尸<0.05).FlowcytometryshowedShhblockingantibodiespromotedtheexpressionofCD3andCD69.ShhAbenhancedcellkillingPBMCsforMC.ConclusionShhA7、bcanpromoteactivationofPBMCs,andenhancesanti-carcinogeniceffectofnitriteamides.【Keywords】Sonichedgehogprotein;GES一1ceils;MNNG;LymphocyteSonichedgehog(Shh)是刺猬因子(Hedgehog,异常与肿瘤、自身免疫性疾病的发生、发展密切Hh)家族成员之一,Shh信号通路参与动物胚胎的相关[。Shh抑制CD3抗体刺激T淋巴细胞的活细胞增殖、分化及器官形成⋯,其中包括8、对T细胞化[5]。本实验通过人胃黏膜永生细胞GES一1经人的调控[。研究表明,Shh信号通路的异常激活与工合成亚硝基化合物(N—methyl—N一nitro—N—肿瘤形成有关,而T细胞介导的细胞免疫应答nitrosoguanidine,MNNG)处理后形成MC细胞这一过程模拟体外癌变的不同阶段[,并与人外周血单DOI:10.3877/cma.J.issn.1674-0793.2015.02.004个核细胞(peripheral
3、onichedgehog蛋白;GES一1细胞;MNNG;淋巴细胞ActivationofexpressioninperipheralbloodmononuclearcellsinSonichedgehogpathwayZhaoQiankun,LiaugSer~2,YauHuiming2.ShanxiMedicalUniversity,Taiyuan030001,China,"2theSecondHospitalofShanxiMedicalUniversity,Taiyuan030001,ChinaCor
4、respondingauthor:YauHuiming,Email:yanhuiming2003cn@126.com【Abstract】ObjectiveTodiscusstheexpressionofSonichedgehogblockingantibody(ShhAb)inperipheralbloodmononuclearcells(PBMCs)ofanti-gastriccancercells.MethodsHealthyhumanPBM—CswerecentfifugatedbyFieollde
5、nsitygradient(GES一1cellsweretreatedbynitriteamides)andgastriccancercellswereco—culturedwithMC.Toobservetheexpressionandsemi-quantitativeanalysisofShhandGli一1byRT-PCR,ShhblockingantibodieswereaddedintheCO—culturesystem,andtheexpressionofCD3,CD5,CD69wasassa
6、yedbyfloweytometry.ResultsRT—PCRshowedthatGli—lmRNAinMC+ShhAbcellgroupwas0.2845±0.0025,lowerthantheMCcellgroup0.5167±0.0109(尸<0.05).FlowcytometryshowedShhblockingantibodiespromotedtheexpressionofCD3andCD69.ShhAbenhancedcellkillingPBMCsforMC.ConclusionShhA
7、bcanpromoteactivationofPBMCs,andenhancesanti-carcinogeniceffectofnitriteamides.【Keywords】Sonichedgehogprotein;GES一1ceils;MNNG;LymphocyteSonichedgehog(Shh)是刺猬因子(Hedgehog,异常与肿瘤、自身免疫性疾病的发生、发展密切Hh)家族成员之一,Shh信号通路参与动物胚胎的相关[。Shh抑制CD3抗体刺激T淋巴细胞的活细胞增殖、分化及器官形成⋯,其中包括
8、对T细胞化[5]。本实验通过人胃黏膜永生细胞GES一1经人的调控[。研究表明,Shh信号通路的异常激活与工合成亚硝基化合物(N—methyl—N一nitro—N—肿瘤形成有关,而T细胞介导的细胞免疫应答nitrosoguanidine,MNNG)处理后形成MC细胞这一过程模拟体外癌变的不同阶段[,并与人外周血单DOI:10.3877/cma.J.issn.1674-0793.2015.02.004个核细胞(peripheral
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