siRNA对VEGFR2的表达抑制及对HL60细胞和人内皮细胞的影响
【目的】为探索治疗白血病的新思路研究了小干扰RNA(siRNA)对肿瘤细胞株HL60和人血管内皮细胞(EC)株EA·hy926血管内皮细胞生长因子受体2(VEGFR2)基因表达的抑制作用。【方法】制备并筛选VEGFR2基因的最有效siRNA,并据此设计shRNA寡核苷酸链,构建pENTR^TM/U6干扰表达载体。瞬时转染细胞.采用MTF法、RT-PCR法及Western blot测定VEGFR2表达抑制情况。【结果】VEGFR2 siRNAa、b、c抑制HL60细胞效率分别为77.5%、45.0%、80.9%,以siRNAc最高,利用其shRNA和pENTR^TM/U6构建的入门克隆转染HL6...
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Main Authors: | 郭海霞, 薛红漫, 夏焱, 徐令, 徐宏贵, 李文益 |
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Format: | Article |
Language: | zho |
Published: |
Editorial Office of Journal of Sun Yat-sen University
2006-01-01
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Series: | Zhongshan Daxue xuebao. Yixue kexue ban |
Subjects: | |
Online Access: | http://xuebaoyx.sysu.edu.cn/zh/article/43585261/ |
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