Fully 2‘-Modified Oligonucleotide Duplexes with Improved in Vitro Potency and Stability Compared to Unmodified Small Interfering RNA
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- 20 January 2005
- journal article
- research article
- Published by American Chemical Society (ACS) in Journal of Medicinal Chemistry
- Vol. 48 (4) , 901-904
- https://doi.org/10.1021/jm049167j
Abstract
We have identified a small interfering RNA (siRNA) motif, consisting entirely of 2‘-O-methyl and 2‘-fluoro nucleotides, that displays enhanced plasma stability and increased in vitro potency. At one site, this motif showed remarkable >500-fold improvement in potency over the unmodified siRNA. This marks the first report of such a potent fully modified motif, which may represent a useful design for therapeutic oligonucleotides.Keywords
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