• PNAs¢ā miRNA inhibitors are highly sequence-specific
    Fig.1. Inhibition of endogenous miRNA activity Fig. 2. Confirmation of miRNA inhibition by Real
    -Time PCR
    HeLa cells are co-transfected with pMir plasmid
    (miRNA targeting plasmid), pRL-TK plasmid (Renilla
    luciferase coding plasmid for normalization) and
    PNAs¢ā miRNA inhibitor (200 nM) for miRNA. After 48
    hours, luciferase activity is assayed. The firefly
    luciferase activity is normalized to the Renilla
    luciferase activity.
    HeLa cells are co-transfected with different concentrations (100 & 200 nM) of PNAs¢ā miRNA inhibitor and pMir plasmid. After 48 hours, real-time PCR is performed to confirm miRNA inhibition effect. PNAs¢ā miRNA inhibitor was confirmed for its anti-miRNA activity.