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Potent and specific inhibition of human immunodeficiency virus type 1 replication by RNA interference 总被引:55,自引:0,他引:55 下载免费PDF全文
Synthetic small interfering RNAs (siRNAs) have been shown to induce the degradation of specific mRNA targets in human cells by inducing RNA interference (RNAi). Here, we demonstrate that siRNA duplexes targeted against the essential Tat and Rev regulatory proteins encoded by human immunodeficiency virus type 1 (HIV-1) can specifically block Tat and Rev expression and function. More importantly, we show that these same siRNAs can effectively inhibit HIV-1 gene expression and replication in cell cultures, including those of human T-cell lines and primary lymphocytes. These observations demonstrate that RNAi can effectively block virus replication in human cells and raise the possibility that RNAi could provide an important innate protective response, particularly against viruses that express double-stranded RNAs as part of their replication cycle. 相似文献
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Cheng C Dong J Yao L Chen A Jia R Huan L Guo J Shu Y Zhang Z 《Biochemical and biophysical research communications》2008,366(3):670-674
New therapeutics are urgently needed for the treatment of pandemic influenza caused by H5N1 influenza virus mutants. Aptamer was a promising candidate for treatment and prophylaxis of influenza virus infections. In this study, systemic evolution of ligands through exponential enrichment (SELEX) was used to screen DNA aptamers targeted to recombinant HA1 proteins of the H5N1 influenza virus. After 11 rounds of selection, DNA aptamers that bind to the HA1 protein were isolated and shown to have different binding capacities. Among them, aptamer 10 had the strongest binding to the HA1 protein, and had an inhibitory effect on H5N1 influenza virus, as shown by the hemagglutinin and MTT assays. These results should aid the development of new drugs for the prevention and control of influenza virus infections. 相似文献
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Mutants of human immunodeficiency virus type 1 (HIV-1) reverse transcriptase resistant to nonnucleoside reverse transcriptase inhibitors demonstrate altered rates of RNase H cleavage that correlate with HIV-1 replication fitness in cell culture 下载免费PDF全文
Archer RH Dykes C Gerondelis P Lloyd A Fay P Reichman RC Bambara RA Demeter LM 《Journal of virology》2000,74(18):8390-8401
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