Journal of Pharmacological Sciences
Online ISSN : 1347-8648
Print ISSN : 1347-8613
ISSN-L : 1347-8613
Short Communications
RNA Interference With Small Hairpin RNAs Transcribed From a Human U6 Promoter-Driven DNA Vector
Young-Don KwakHiroko KoikeKiminobu Sugaya
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2003 Volume 93 Issue 2 Pages 214-217

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Abstract

RNA interference (RNAi), a process of sequence-specific gene suppression, has been known as a natural gene regulatory mechanism in a wide range of organisms. Recently, a small-interference RNA (siRNA) technology has been reported to produce post-transcriptional gene silencing in mammalian cells. In the present study, we constructed a human U6 promoter-driven mammalian expression vector to produce hairpin double-stranded RNA and transfected this into a human cell line. Using this siRNA system, we were able to knock down the gene expression of an enhanced green fluorescence protein. This result indicates that the plasmid vector-based siRNA system is a promising method to downregulate gene expression in human cells.

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© The Japanese Pharmacological Society 2003
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