Figure 1From: Targeted gene delivery in tumor xenografts by the combination of ultrasound-targeted microbubble destruction and polyethylenimine to inhibit survivin gene expression and induce apoptosisIdentification of pCMV-LUC by restriction enzymes digestion. 1, Marker, 1 kb ladder; 2, pCMV-LUC; 3, pCMV-LUC/Hind III + Bam HI; the plasmid pCMV-LUC or with the restriction enzymes digestion showed two bands after electrophoresis. A correct insertion was showed a band of 2000 bp (as arrowhead indicated) cut off by Hind III and Bam HI.Back to article page