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. 2014 May 9;42(10):6542–6551. doi: 10.1093/nar/gku235

Figure 5.

Figure 5.

RNAi activity of siRNAs with amide modifications in the guide strand. The results are expressed as ratios of target mRNA expression (PPIB) and housekeeping mRNA expression (GAPDH) and are averages of three replicates; the standard deviations are shown in the length of the error bars. Control P and Control OH are unmodified siRNAs with 5′-phosphate or 5′-OH, respectively. NTC is a non-targeting control siRNA used as a negative control; tm values are the melting temperatures of the siRNA duplexes.