The use of CpG-free plasmids to mediate persistent gene expression following repeated aerosol delivery of pDNA/PEI complexes. May 29, 2014 by Syahril Abdullah Comments are off Posted in:Syahril Abdullah See more Prev:Advancements in Reprogramming Strategies for the Generation of Induced Pluripotent Stem Cells. Back: All Publications Next:Transgene expression from CpG-reduced lentiviral gene delivery vectors in vitro.