Unlocked Nucleomonomer Agents (UNAs)

Arcturus’ unlocked nucleomonomer agents (UNAs) can improve the in vivo efficiency of small interfering RNA (siRNA)-mediated gene silencing and potentially improve the efficiency of messenger RNA (mRNA)-mediated protein replacement. UNAs are RNA analogues in which the C2′-C3′ bond of the ribose ring is absent (see figure below).

One or more UNAs can be positioned strategically along a nucleic acid strand to manipulate the chemical properties of the molecule. Addition of a single UNA in siRNA therapeutics can enable more efficient suppression of target protein production.

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