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血管内皮生长因子反义核酸治疗裸鼠皮下种植胰腺癌 被引量:3

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摘要 目的:探讨抗血管生成基因转染治疗胰腺癌的可行性. 方法:构建反向插入VEGF165cDNA的复制缺陷型腺病毒载体,体外转染SW1990细胞,MTT法检测重组腺病毒转染对细胞生长的影响.Northern blot和ELISA检测转染前后SW1990细胞VEGF的mRNA水平和蛋白表达.裸鼠皮下种植瘤瘤体内注射重组腺病毒,CD31染色观察反义VEGF重组腺病毒转染对裸鼠种植瘤微血管密度和肿瘤生长速度的影响. 结果:重组腺病毒体外转染并不影响SW1990细胞的生长速度.Northern blot和ELISA检测在mRNA水平和蛋白水平证实反义VEGF重组腺病毒转染对体外培养的SW1990细胞内源性VEGF表达有明显的下调作用.体内实验表明反义VEGF重组腺病毒转染可减少肿瘤内微血管数量,肿瘤生长受到抑制. 结论:反义VEGF165重组腺病毒可以抑制胰腺癌的血管生成和肿瘤的生长,为抗血管生成的基因治疗奠定了基础.
出处 《世界华人消化杂志》 CAS 2004年第12期2916-2918,共3页 World Chinese Journal of Digestology
基金 国家自然科学基金资助项目 No.30200275
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