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Chitosan and its derivatives have shown great potential as non-viral vectors for gene delivery therapy. Folic acid receptor (FR) is an important anti-cancer therapy target that is applicable to many cancer types. In this study, we developed an efficient and targeted delivery of antisense oligodeoxynucleotides asODNs, using folic acid (FA) conjugated hydroxypropyl-chitosan (HPCS). These nanoparticles...
A conjugate of antisense oligodeoxynucleotide (AS ODN) covalently linked with deoxorubicin (DOX) was synthesized. Its properties and antitumour activity in human carcinoma DOX resistant cells (KB-A-1) were investigated in vitro. The results showed that the conjugate was strongly stable both in Dulbecco’s Phosphate-Buffered Saline (PBS) and in culture medium. The intracellular concentration of the...
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