Journal
NUCLEIC ACIDS RESEARCH
Volume 33, Issue -, Pages W589-W591Publisher
OXFORD UNIV PRESS
DOI: 10.1093/nar/gki419
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Off-target effects are one of the most serious problems in RNA interference (RNAi). Here, we present dsCheck (http://dsCheck.RNAi.jp/), web-based online software for estimating off-target effects caused by the long double-stranded RNA ( dsRNA) used in RNAi studies. In the biochemical process of RNAi, the long dsRNA is cleaved by Dicer into short-interfering RNA( siRNA) cocktails. The software simulates this process and investigates individual 19 nt substrings of the long ds RNA. Subsequently, the software promptly enumerates a list of potential off-target gene candidates based on the order of off-target effects using its novel algorithm, which significantly improves both the efficiency and the sensitivity of the homology search. The website not only provides a rigorous off-target search to verify previously designed dsRNA sequences but also presents 'off-target minimized' dsRNA design, which is essential for reliable experiments in RNAi-based functional genomics.
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