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《CIK分泌的細(xì)胞因子對(duì)逆轉(zhuǎn)耐順鉑肺腺癌細(xì)胞系A(chǔ)549/DDP耐藥性的研究-論文.pdf》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在應(yīng)用文檔-天天文庫。
1、中國腫瘤臨床2013年第403g-~12期ChinJClinOncol2013,Vo1.40No.12WWW.cjco.ciq685基礎(chǔ)研究·ClK分泌的細(xì)胞因子對(duì)逆轉(zhuǎn)耐順鉑肺腺癌細(xì)胞系A(chǔ)549/DDP耐藥性的研究:l:熊艷娟①杜春娟②于津浦①曹水①摘要目的:探討細(xì)胞因子誘導(dǎo)的殺傷細(xì)胞(cytokineinducedkiller,CIK)分泌的細(xì)胞因子在逆轉(zhuǎn)耐順鉑(DDP)人肺腺癌細(xì)胞系A(chǔ)549/DDP順鉑耐藥性中的可能作用。方法:采用transwell非接觸共培養(yǎng)CIK與A549/DDP細(xì)胞,收集不同時(shí)間點(diǎn)的共培養(yǎng)上清,酶聯(lián)免疫試劑方法(ELISA)檢測(cè)IFN一、TNF一、IL一2的分
2、泌情況,四氮甲唑蘭比色法(MTT法)檢測(cè)DDP耐藥性的變化,實(shí)時(shí)定量PCR檢測(cè)GST一盯基因表達(dá)水平的變化。結(jié)果:分析發(fā)現(xiàn)A549/DDP細(xì)胞的耐藥逆轉(zhuǎn)與IFN一的分泌水平顯著相關(guān),與TNF—ol、IL一2的分泌量無顯著相關(guān)。給予anti—IFN一中和抗體后,共培養(yǎng)20hA549/DDP的DDP耐藥性顯著上升(P<0.05),GST一叮T基因水平的表達(dá)量較未加中和抗體組也顯著增加(P<0.05)。而加入anti—TNF—ot、anti—IL一2中和抗體組,A549/DDP細(xì)胞的DDP耐藥性及GST一丌基因水平的表達(dá)量較未加入中和抗體紐無明顯變化(P>0.05)。結(jié)論:CIK通過分泌IFN
3、一下調(diào)A549/DDP細(xì)胞中GST一^y的表達(dá)來實(shí)現(xiàn)其逆轉(zhuǎn)DDP耐藥的作用。關(guān)鍵詞細(xì)胞因子誘導(dǎo)的殺傷細(xì)胞肺腺癌GST一1TIFN一doi:10.3969/j.issn.1000—8179.2013.12.001Cytokinessecretedbycytokine..inducedkillercellsmodulateresis..tancetocisplatinintheA549/DDPcelllineYanjuanXIONG。,ChunjuanDU,JinpuYUShuiCAOCorrespondenceto:ShuiCAO;E—mail:caoshui@yahoo.comDepar
4、tmentofCancerBiotherapy,TianjinMedicalUniversityCancerInstituteandHospital,KeyLaboratoryofCancerPreven—tionandTreatmentofTianjinCity,Tianjin300060,ChinaDepartmentofOncology,BinzhouMedicalCollege,Binzhou256603,ChinaThisworkwassupportedbyfundationsfromtheTianjinMunicipalResearchProgramforBasicScien
5、cesandFrontierTechnolo—gY(No.09JCZDJC20400)AbstractObjective:Thisstudyaimedtoexplorethepossiblerolesofcytokinessecretedbycytokine—inducedkiller(CIK)cellsinreversingtheDDPresistanceofA549/DDP.Methods:Supernatantsofco—culturedsystemswerecollectedtodetectthelevelsofIFN一1,,TNF—d,andIL一2usingenzyme—li
6、nkedimmunosorbentassay(ELISA).Thecorrelationsbetweencytokinesandresistancerever—salindiceswereanalyzedatdiferentco—culturedtimepoints.SpecificneutralizingantibodiesagainstIFN—Y,TNF—ot,andIL一2wereaddedtotheco—culturedsystemtoevaluatetheefectsoftheaforementionedcytokinesonreversingDDPresistanceinA5
7、49/DDP,aswellasontheexpressionofGST-~gene.Results:ELISAandcorrelationanalysesshowedthatIFN一1,wasrelatedtothereversalofDDPresistanceofA549/DDRAfterneutralizationbyanti—IFN—Yantibody,theDDPresistanceofA549/DDPco—cultured