... Biol. Chem. 243, 6281–6283.9. Carsson, J., Drevin, D., and Axen, R. (1978) Protein thiolation and reversible protein- protein conjugation. N-succinimidyl 3-(2-pyridyldithio)-propionate, anew heterobifuctional ... in Molecular Medicine, Vol. 69, Gene Therapy Protocols, 2nd Ed.Edited by: J. R. Morgan © Humana Press Inc., Totowa, NJ26 Ziady and Davis1.1. The Protein Carrier for DNAConstruction of the ... bind asialoglycoproteins (4).Our early work in this area demonstrated that DNA could be delivered spe-cifically to, and expressed in, the liver cells in vivo with an asialoglycoprotein-mediated...