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1、·3282·檢驗醫(yī)學(xué)與臨床2014年12月第11卷第23期LabMedClin,December2014,Vo1.12,No.23·論著·肺癌細(xì)胞促進(jìn)單核吞噬細(xì)胞MAPK相關(guān)通路活化誘導(dǎo)炎性細(xì)胞因子表達(dá)上調(diào)的研究婁鑒芳,史新惠,張淑平,柯星,曹艷,王鵬,黃蕾,黃珉琚,潘世揚,王芳(南京醫(yī)科大學(xué)第一附屬醫(yī)院檢驗學(xué)部,南京210029)【摘要】目的通過建立人單核吞噬細(xì)胞系(THP一1)和人肺腺癌細(xì)胞系(SPCA1)共培養(yǎng)體系,檢測共培養(yǎng)體系中THP—l的炎性細(xì)胞因子mRNA表達(dá)水平和絲裂原活化蛋白激酶通路(MAPK)的表達(dá)情況,初步闡明肺癌微環(huán)境對THP一1中炎性細(xì)胞因子表達(dá)的影響。方法體外
2、培養(yǎng)SPC—A1細(xì)胞系、THP一1細(xì)胞系,并建立二者共培養(yǎng)體系,設(shè)置THP一1單獨培養(yǎng)組為對照組。24h后,收集各組THP一1細(xì)胞,實時熒光定量聚合酶鏈?zhǔn)椒磻?yīng)(Real—TimePCR)檢測白細(xì)胞介素(II)一10、一6、一8及腫瘤壞死因子一a(TNF—d)的mRNA表達(dá)水平;Westernblot檢測MAPK通路蛋白c—Jun氨基末端激酶及其磷酸化形式(JNK/p-JNK)、絲裂原活化蛋白激酶p38亞單位及其磷酸化形式(p38MAPK/p—p38MAPK)、細(xì)胞外調(diào)節(jié)蛋白激酶及其磷酸化形式(ERK/p—ERK)的表達(dá)。結(jié)果共培養(yǎng)24h后,共培養(yǎng)組THP一1的IL一1B、IL-8mRNA
3、表達(dá)水平均明顯高于對照組(P<0.05),分別為對照組的5.81、4.21倍;Westernblot結(jié)果顯示共培養(yǎng)組p38MAPK、p-p38MAPK的表達(dá)水平均明顯高于對照組(P<0.05)。結(jié)論肺癌細(xì)胞可引起肺癌環(huán)境中單核吞噬細(xì)胞中p38MAPK通路的活化,進(jìn)而誘導(dǎo)II一10、II一8mRNA表達(dá)上調(diào),有利于腫瘤炎癥微環(huán)境的維持和促進(jìn)腫瘤的進(jìn)展?!娟P(guān)鍵詞】人單核吞噬細(xì)胞系;共培養(yǎng);人肺腺癌細(xì)胞系;細(xì)胞因子;MAPK通路DOI:10.3969/J.issn.1672-9455.2014.23.020文獻(xiàn)標(biāo)志碼:A文章編號:16729455(2014)23-3282—03Studyonu
4、pregulationofexpressionofinflammatorycytokinesinducedbyMAPKsignalingrelatedpathwayofmononu。clearphagocytespromotedbylungcancercellsLOUJian—fang,SHIXin—hui,ZHANGShu—ping,KEXing,CAOYan,WANGPeng,HUANGLei,HUANGPei—jun,PANShi—yang,WANGFang(DepartmentofLaboratoryMedicine,theFirstAffiliatedHospitalofNan
5、jingMedicalUniversity,Nanjing210029,China)[Abstract]ObjectiveToestablishtheco—culturesystemofmononuclearphagocytesystem(THP一1)andhu—manlungadenocarcinomacellline(SPC—A1)。detecttheexpressionofmRNAofinflammatorycytokinesintheTHP1cell1ineandMAPKpathwaysintheco—culturesystem.a(chǎn)ndpreliminaryindicatethe
6、effectoflungcancermicroenvi—ronmentontheexpressionofinflammatorycytokinesinTHP一1cellline.MethodsTheSPC—A1andTHP一1celllineswereculturedinvitro,andtheco—culturesystemwasestablished.ThesingleculturedTHP一1celllinewassettedascontrolgroup.24hafterculturing。THP一1cellswerecollectedandreal—timePCRwasusedt
7、odetectinterleukin(II)1G,IL6andII8,andtheexpressionoftumornecrosisfactor(TNF)mRNA.ThewesternblotanalysiswasusedtodetecttheexpressionofJNK/p,JNK,p38MAPK/p,p38MAPK,ERK/pandERK.Results24hafterco—cultu—ring,theexpressionle