1. In Vivo Gene Delivery by Nonviral Vectors: Overcoming Hurdles?
Yuan Zhang, Andrew Satterlee, Leaf Huang 
Molecular Therapy 
Volume 20, Issue 7, Pages (July 2012)
DOI: /mt
Copyright © 2012 The American Society of Gene & Cell Therapy Terms and Conditions

2. Figure 1
Representative scheme of in vivo gene delivery barriers. EPR, enhanced permeability and retention; mRNA, messenger RNA; PEG, polyethylene glycol; RES, reticuloendothelial system; RISC, RNA-induced silencing complex; siRNA, small interfering RNA.
Molecular Therapy  , DOI: ( /mt )
Copyright © 2012 The American Society of Gene & Cell Therapy Terms and Conditions

3. Figure 2
The structure and preparation scheme of LPD (LPD-II)/LPH nanoparticles. LPD, liposome-polycation-DNA; LPH, liposome-polycation-hyaluronic acid (or heparin); pDNA, plasmid DNA; PEG, polyethylene glycol; siRNA, small interfering RNA.
Molecular Therapy  , DOI: ( /mt )
Copyright © 2012 The American Society of Gene & Cell Therapy Terms and Conditions