目的構(gòu)建DPC4基因重組質(zhì)粒以研究DPC4對(duì)人胰腺癌細(xì)胞的抑制作用。方法應(yīng)用RTPCR技術(shù)擴(kuò)增出野生型DPC4基因全長cDNA,然后用分子克隆技術(shù)構(gòu)建其真核表達(dá)載體,應(yīng)用脂質(zhì)體法將DPC4基因?qū)氲饺艘认侔㏄C3細(xì)胞中,經(jīng)G418篩選獲得可穩(wěn)定表達(dá)DPC4的人胰腺癌細(xì)胞,觀察DPC4基因?qū)θ艘认侔┘?xì)胞周期和細(xì)胞增殖的影響。結(jié)果獲得了野生型DPC4真核表達(dá)質(zhì)粒pcDNA3.1DPC4,野生型DPC4的導(dǎo)入可引起胰腺癌G1期細(xì)胞的增加和S期細(xì)胞相應(yīng)減少,同時(shí)抑制細(xì)胞生長。結(jié)論野生型DPC4基因具有調(diào)節(jié)胰腺癌細(xì)胞增殖的功能,可作為胰腺癌基因治療的靶基因。
引用本文: 袁晟光,田聆,魏于全,張肇達(dá). DPC4重組質(zhì)粒的構(gòu)建及其對(duì)人胰腺癌細(xì)胞的抑制作用. 中國普外基礎(chǔ)與臨床雜志, 2002, 9(6): 374-376. doi: 復(fù)制
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