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绵羊内皮生长因子siRNA载体构建及其在成纤维细胞中的表达

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摘要 研究旨在构建绵羊血管内皮因子(VEGF)基因小干扰RNA(siRNA)载体并对其在成纤维细胞中的表达进行探索。实验构建了以VEGF基因片段为靶位点的3个siRNA质粒载体,即PGC-1、PGC-2、PGC-3,通过脂质体介导转染方法将干扰载体转入绵羊成纤维细胞中,利用ELISA测定3个干扰载体转染入成纤维细胞后细胞中VEGF的表达量。结果表明:各组转染后细胞中VEGF的表达量分别为47.78、24.45、8.36、13.99 pg/mL,转染载体PGC-2的成纤维细胞中VEGF表达量最少。上述结果说明,在绵羊成纤维细胞中可发生RNA干扰现象,且干扰载体PGC-2的干扰效率最高,RNA干扰技术有效改变了VEGF的基因表达。
出处 《中国畜牧杂志》 CAS 北大核心 2011年第11期18-20,共3页 Chinese Journal of Animal Science
基金 国家自然科学基金(30771551)
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