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IL-27基因转染对小鼠结肠腺癌细胞生物学特性的影响 被引量:2

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摘要 目的:获得稳定表达小鼠IL-27(mIL-27)基因的小鼠结肠腺癌细胞株(Colon26),研究IL-27基因对小鼠结肠腺癌细胞体内外生物学特性的影响。方法:通过脂质体法将pcDNA3.1(+)-His(B)/mIL-27质粒转染结肠腺癌细胞,筛选建立高表达细胞株。采用Western blot、ELISA、RT-PCR法证实IL-27基因成功转染Colon26。用MTT比色法检测IL-27质粒转染后对Colon26细胞生长的影响;流式细胞术检测IL-27质粒转染后对Colon26细胞凋亡的影响;将Colon26-IL-27细胞接种于BALB/c小鼠的右侧背部皮下,观察其致瘤性。结果:Colon26-IL-27细胞可表达IL-27mRNA并分泌IL-27,IL-27的表达在体外对Colon26细胞的增殖、凋亡均无影响,而在体内则具有明显的抗瘤活性。结论:成功制备Colon26-IL-27细胞株,证明IL-27能在体内明显抑制肿瘤的生长,延长荷瘤小鼠的生存期,具有一定的抗肿瘤作用。
出处 《细胞与分子免疫学杂志》 CAS CSCD 北大核心 2008年第12期1210-1211,1213,共3页 Chinese Journal of Cellular and Molecular Immunology
基金 河北省科技支撑计划项目(07275554)
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参考文献2

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同被引文献22

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