Figure 6From: Comparisons of three polyethyleneimine-derived nanoparticles as a gene therapy delivery system for renal cell carcinomaThe expression and distribution of VHL protein in RCC tissues via FA-PEAs mediated gene therapy. (A)-(C) was respectively represented the PBS group, the pVITRO2 group and the VHL-treated group. The staining profiling was observed under 400 × magnification. The scale bar represents 200 μm.Back to article page