Abstract
Conjugate DNAzymes with polyamines and peptides were successfully prepared by solid phase fragment condensation (SPFC) and showed up to 4.2 times higher catalytic efficiency (kcat/Km). Intracellular localization of DNAzymes could be controlled by conjugated with naturally occurring signal peptides which are responsible for nuclear cytoplasmic transport of proteins. Suppression of bcr/abl chimeric gene on Philadelphia chromosome by conjugate DNA enzymes were largely enhanced in human leukemia cells.
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