RNA干扰survivin基因对人腺样囊性癌细胞移植瘤血管生成的影响

来源 :2015诺贝尔奖获得者医学峰会暨国际肿瘤研究高峰论坛 | 被引量 : 0次 | 上传用户:a_yelang
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  目的 观察RNA干扰survivin基因对腺样囊性癌移植瘤血管生成的影响.方法 (1)建立腺样囊性癌移植瘤裸鼠模型:随机将Balb/c雄性裸鼠分为6组,每组5只.分组方法为:肿瘤细胞两组(皮下接种ACC-2细胞、ACC-M细胞各一组)、瘤体注射两组(皮下接种ACC-2细胞、ACC-M细胞各一组;15d后均行RNA干扰survivin重组质粒瘤周瘤体注射)、质粒干扰两组(皮下接种转染survivin基因RNA干扰质粒的ACC-2细胞、ACC-M细胞各一组).饲养25天后处死全部裸鼠,剥离瘤体除去包膜;部分瘤体组织以多聚甲醛溶液固定制成石蜡包埋切片,部分瘤体组织被迅速置于液氮中保存以抽提总RNA.(2)通过免疫组织化学法检测各组腺样囊性癌移植瘤微血管参数.(3)通过RT-PCR检测各组腺样囊性癌移植瘤促血管生成因子VEGF的表达情况.
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