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Abstract
Liver parenchymal cells are an important target for the treatment of several metabolic and viral disorders. Corrective gene delivery for this purpose is an avenue that is receiving increasing attention. In the present study, we report a novel neo glycolipid that may be formulated into cationic liposomes with or without poly(ethylene glycol) decoration. Lipoplexes formed with plasmid DNA are nuclease resistant and are targeted to the human hepatoblastoma cell line HepG2 by selective asialoglycoprotein receptor mediation. Transfection levels achieved by lipoplexes containing the targeting ligand cholesteryl-3β-N-(4-aminophenyl-β-D-galactopyranosyl) carbamate were sixfold greater than those obtained with similar but untargeted lipoplexes.