NIE Bin, et al. Construction of RNA interference expression vectors of human Hsp90 alpha[J]. Journal of Chongqing Medical University, 2007,(6):597-600.
NIE Bin, et al. Construction of RNA interference expression vectors of human Hsp90 alpha[J]. Journal of Chongqing Medical University, 2007,(6):597-600.DOI:
目的:构建Hsp90α(Heat shock protein 90 alpha)siRN(A Small interfencing RNA)表达载体
为后续的功能研究提供平台。方法:根据Hsp90α基因cDNA序列
设计有小发夹结构的3条寡核苷酸序列到空载体Psuper EGFP1中
转化TOP10菌株
提取质粒
进行酶切鉴定和测序分析。将三条序列和对照序列的质粒分别转染HUK293细胞
提取总RNA
用RT-PCR检测Hsp90αmRNA的量。结果:经酶切鉴定、电泳证明
含作用序列的重组质粒pSuper-Hsp90α1
pSuper-Hsp90α2
及pSu-per-Hsp90α3构建是成功的
重组质粒pSuper-Hsp90α1
pSuper-Hsp90α2测序分析完全正确。用RT-PCR初步证明三条均有干扰效果
pSuper-Hsp90α1最明显。结论:用于Hsp90αRNAi的重组质粒可于体外成功构建
初步确定pSuper-Hsp90α1为最佳作用靶点。
Abstract
Objective:To construct the expression vector pSuper.Hsp90α/pSuper for further research of the Hsp90α.Methods: In accordance with the Hsp90α sequence in gene bank
three sequences respectively targeting Hsp90α were cloned into the RNA expression vector pSuper.Results:It was confirmed by enzyme digestion
and electrophoresis that the construction of the recombinant expression vector pSuper-Hsp90α1
pSuper-Hsp90α2 and pSuper-Hsp90α3 was successfu1.pSuper-Hsp90α1 and pSuper-Hsp90α2 were successfu1 by sequencing.The expression of Hsp90α mRNA in HEK293 cells with pSuper-Hsp90α1
pSuper-Hsp90α2 and pSuper-Hsp90α3 decreased
and pSuper-Hsp90α1 notably decreased.Conclusion:The recombinant plasmid against Hsp90α RNAi can be successfully constructed in vitro
and pSuper-Hsp90α1 is the possible optimal target.