[1]古立诚,肖焕擎,徐波,等.VEGF-C短发夹RNA抑制乳腺癌细胞增殖及侵袭能力的实验研究[J].中华乳腺病杂志(电子版),2008,2(1):55-62.
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VEGF-C短发夹RNA抑制乳腺癌细胞增殖及侵袭能力的实验研究()

中华乳腺病杂志(电子版)[ISSN:1674-0807/CN:11-9146/R]

卷:
第2卷
期数:
2008年1期
页码:
55-62
栏目:
实验研究
出版日期:
2008-02-01

文章信息/Info

作者:
古立诚;肖焕擎;徐波;朱光辉;李书华
广州市第十二人民医院普外科(古立诚);广州医学院附属广州市第一人民医院普外科(肖焕擎、徐波、朱光辉);广州医学院病理教研室(李书华)
关键词:
血管内皮生长因子C乳腺癌短发夹RNART-PCR Western blot
摘要:
目的:探讨应用靶向VEGF-C的短发夹RNA(shRNA)质粒载体在体外抑制乳腺癌细胞株MCF-7生物学活性的影响。 方法:制备携带有绿色荧光蛋白(GFP)报告基因的VEGF-C-shRNA质粒载体,脂质体转染方法转入乳腺癌细胞株MCF-7,通过倒置荧光显微镜及流式细胞术检测细胞的转染效率,RT-PCR及Western blot检测转染细胞内VEGF-C mRNA及蛋白的表达变化,MTT法检测细胞增殖抑制率,重组基底膜侵袭实验检测细胞侵袭能力。 结果:高效转染入VEGF-C-shRNA的MCF-7细胞VEGF-C mRNA及蛋白表达水平显著下降;VEGF-C-ShRNA对MCF-7细胞具有明显的增殖抑制作用,其抑增殖效应呈时间依赖性;VEGF-C-shRNA可抑制乳腺癌细胞MCF-7体外侵袭重组基底膜的能力,与阴性shRNA转染组、空载体组及空白组比较,差异有统计学意义(P<0.05); 结论:VEGF-C在乳腺癌增殖、侵袭转移中发挥重要作用,通过RNA干扰技术实现VEGF-C沉默在乳腺癌的基因治疗中具有可行性。

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更新日期/Last Update: 2008-01-20