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Current Drug Delivery

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ISSN (Print): 1567-2018
ISSN (Online): 1875-5704

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Research Article

Construction of Gambogic Acid HPMA Copolymer Coupling Drug System and Study on Anti-tumor Activity

Author(s): Xinghua Zhao, Shi Ding, Shengnan Li, Yang Wang, Mingjun Jiang, Ju Liu* and Ye Chen*

Volume 19, Issue 4, 2022

Published on: 10 January, 2022

Page: [491 - 507] Pages: 17

DOI: 10.2174/1567201818666210729102921

Price: $65

Abstract

Aim: An active-passive dual-targeting gambogic acid HPMA Copolymer Coupling drug system with high efficiency, low toxicity and high selectivity was constructed.

Methods: The gambogic acid HPMA copolymer coupling drug system was constructed and its structure was characterized. The cytotoxicity of gambogic acid HPMA copolymer was detected by MTT assay. The pharmacokinetics of gambogic acid HPMA copolymer was evaluated in mice. Targetability of gambogic acid HPMA copolymer was evaluated by tissue distribution experiment. The in vitro antitumor activity of gambogic acid HPMA copolymer was evaluated by pharmacodynamics experiment in mice.

Results: Two copolymers of gambogic acid HPMA were successfully prepared. The copolymers showed reduced cytotoxicity and a certain sustained release effect and targeting property. In vivo pharmacodynamic experiments also showed better anti-tumor effects than GA.

Discussion: In this study, gambogic acid was combined with HPMA polymer and the targeting molecule D-galactose/folic acid to form a polymer micelle with high efficiency, low toxicity and high selectivity for active-passive dual targeting. The construction of the drug system provides new ideas for future formulation research and development.

Keywords: Gambogic acid, HPMA polymer, D-galacto, folic acid, synthesis, targeted drug.

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