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p27基因修饰后对大肠癌的抑制作用

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摘要 目的:以腺病毒为载体,研究外源性突变型p27(p27mt)基因对大肠癌的体内抑制作用。方法:应用细胞移植法把人大肠癌SW480细胞接种于BALB/c裸鼠皮下,构建大肠癌裸鼠模型,将已成功构建的腺病毒介导的突变型p27(Ad-p27mt)及Lac-Z采用瘤体内直接注射法注射到瘤体内,与空白对照组比较,绘制肿瘤生长曲线,计算肿瘤生长抑制率,并进行细胞凋亡的相关检测。结果:Ad-p27mt基因治疗组肿瘤生长明显受到抑制,有更强的促凋亡作用,与Lac-Z组、空白对照组比较,差异有显著性(P<0.01)。结论:Ad-p27mt基因对大肠癌裸鼠模型的体内肿瘤有明显抑制作用。
出处 《实用医学杂志》 CAS 2006年第17期1976-1978,共3页 The Journal of Practical Medicine
基金 湖北省自然科学基金项目(编号:2003ABA193)
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参考文献7

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