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1、128現(xiàn)代檢驗醫(yī)學(xué)雜志第28卷第6期2013年11月JModLabMed,Vo1.28,No6,Nove.2013C57BL/6小鼠CIK細胞體外培養(yǎng)及表型分析劉秋霞,齊曼,陳玲玲(承德市中心醫(yī)院檢驗科,河北承德067000)摘要:目的體外誘導(dǎo)培養(yǎng)C57BL/6小鼠細胞因子誘導(dǎo)的殺傷細胞(CIK),并研究其表型。方法從脾組織中分離淋巴細胞,經(jīng)過IFN一,CD3單抗,IL-la及IL-2誘導(dǎo)并培養(yǎng),獲得大量的CIK細胞,F(xiàn)ACS測定CIK表面CD3,CD4,CD8和NK1.1等CD分子表達情況及其百分率。結(jié)果經(jīng)IFN一,CD
2、3單抗,IL-la和IL-2四種細胞因子誘導(dǎo)后,于第4天FACS測定CD3陽性細胞>9O%,CD8陽性細胞>30,NK1.1陽性細胞>15,于細胞因子誘導(dǎo)后第7天收獲CIK細胞后FACS測定CD3陽性細胞>87%,CD8陽性細胞>20和NK1.1陽性細胞>10。結(jié)論CIK細胞培養(yǎng)成功。關(guān)鍵詞:單核細胞;細胞因子誘導(dǎo)的殺傷細胞(cIK);表型中圖分類號:R一332文獻標志碼:A文章編號:1671—7414(2013)06—128-03doi:10.3969/J.issn.1671-7414.2013.06.043Prolif
3、eration0fMouseCIKinYitroandPhenotypicAnalysisLIuQiu-xia,QIMan,CHENLing—ling。(Department0fClinicalLaboratory,ChengdeCentralHospital,HebeiChengde067000,China)Abstract:0bjectiveToincubateCIKcellsandtestitsphenotype.MethodsNon-adherentficollseparatedmousespleenmononuc
4、learcellsderivedfromhealthyC57mousewerepreparedandgrowni。nRPMI1640medium.OnethousandIU/mlhumanrecombinantinterferon7wasaddedonday0.After24hoursofincubation,50ng/mlofananti-CD3,100U/mlinter—leukin-l~and300U/mlinterleukin-2wereadded.Cellswereincubatedat37℃inahumidif
5、iedatmosphereof5ml/dlCO2andsub-culturedeverythirddayinfreshcompletemediumwith300U/mlIL-2at3×10cells/m1.CIKcellswereharvestedonday7.ThephenotypeofCIKcellsweretestedbyFlowcytometyusingCD3,CD4。CD8andNK1.1onday0,day4andday7.ResultsTheCIKcellswerephenotypedwithantibodi
6、esagainstCD3,CD8andNK1.1wereconsistentwiththeex—pectedresults.ThepercentageofCD3>90%,CD8>30,NK1.1>10%.ConclusionTheCIKcellswerephenotypedwithantibodiesagainstCD3,CD8andNK1.1wereconsistentwiththeexpectedresults,andpercentageofCD3>90%,CD8>3O,NK1.1>10.Keywords:mononu
7、clearcells;cytokine-inducedkillercells;phenotype細胞因子誘導(dǎo)的殺傷細胞(Cytokine-induced淋巴細胞,放人含10ml/dl胎牛血清的1640培養(yǎng)killerCIK)是一種用外周血單個核細胞(PBMc)液培養(yǎng)并加入IFN一71000U/ml,CD3單抗50在體外經(jīng)過多種細胞因子培養(yǎng)激活后獲得的非ng/ml,IL—la100U/m1,IL-2300U/ml,于第0MHC限制性的對腫瘤細胞具有高效溶解毒性的天、第4天、第7天FACS測定CD3,CD4,CD8和T細胞。殺
8、瘤譜廣、效率高,主要效應(yīng)細胞為CD3NK1.1,并加入細胞因子IL-2。+CD56+表型T淋巴細胞。小鼠CIK細胞中主1.2.2CIK細胞的表型分析:取流式專用試管3要效應(yīng)細胞為CD3+CD8+表型T淋巴細胞和只,首先往①,②,③試管中依次加入CD3一FITC2CD3+NK1.1+表型T淋巴細胞[1]。