Springer Online Journal Archives 1860-2000
Process Engineering, Biotechnology, Nutrition Technology
Abstract The lack of efficient and specific delivery to target cells still limits the potential application of antisense oligodeoxynucleotides as therapeutic agents in cancer disease. We have covalently linked a polylysine chain (10,000–20,000 mW) to compounds as folic acid, retinoic acid, transferrin, insulin and estradiol, to deliver c-myb antisense oligonucleotide into tumor cells. Using these complexes as carriers for the oligodeoxynucleotides can be achieved an increase in their uptake into target cells through a natural endocytosis pathway.
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