A biomimic pH-sensitive polymeric prodrug based on polycarbonate for intracellular drug delivery

文献情報

出版日 2013-09-09

DOI 10.1039/C3PY00861D

インパクトファクター 5.582

著者

Haibo Wang, Yin Wang, Yangjun Chen, Qiao Jin, Jian Ji

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要旨

A biodegradable and endosomal pH-sensitive polymeric prodrug poly(5-methyl-5-allyloxycarbonyl-1,3-dioxan-2-one)-graft-12-acryloyloxy dodecyl phosphorylcholine-co-6-maleimidocaproyl-doxorubicin (PMAC-graft-(ADPC-co-Mal-DOX) was synthesized by ring-opening polymerization (ROP) and “click” reaction. DOX was conjugated to the polymer by hydrazone bonds which would result in a pH-sensitive controlled release of drug. The polymeric prodrug can form a self-assembled micellar structure which was confirmed by dynamic light scattering (DLS) and transmission electron microscopy (TEM). Flow cytometry and fluorescence microscopy results demonstrated that prodrug micelles could be internalized by cancer cells remarkably. In vitro drug release studies showed that the release of DOX was faster at endosomal pH (pH = 5.0) than at normal physiological environment (pH = 7.4). Moreover, this prodrug exhibited high cytotoxicity against HepG2 cells and HeLa cells, indicating its great potential for cancer therapy.

掲載誌

Polymer Chemistry

CiteScore: 8.6

自己引用率: 7.3%

年間論文数: 457

Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.

A biomimic pH-sensitive polymeric prodrug based on polycarbonate for intracellular drug delivery

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