期刊
RNA
卷 10, 期 1, 页码 12-18出版社
COLD SPRING HARBOR LAB PRESS, PUBLICATIONS DEPT
DOI: 10.1261/rna5160904
关键词
RNA interference; siRNA; interferon response; PKR response
RNA interference is an evolutionarily conserved process in which expression of a specific gene is post-transcriptionally inhibited by a small interfering RNA (siRNA), which recognizes a complementary mRNA and induces its degradation. Currently, RNA interference is being used extensively to inhibit expression of specific genes for experimental and therapeutic purposes. For applications in mammalian cells, siRNAs are designed to be 1000 genes involved in diverse cellular functions are nonspecifically stimulated or repressed. The effects on gene expression are dependent upon siRNA concentration and are stable throughout the course of siRNA treatment. Our results can be explained by previous studies showing that dsRNAs can affect multiple signaling and transcription pathways in addition to PKR. The potential for this widespread, nonspecific effect on mammalian gene expression must be carefully considered in the design of siRNA experiments and therapeutic applications.
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