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Controlled dual release of basic fibroblast growth factor and indomethacin from heparin-conjugated polymeric micelle.

Abstract：

:This work describes the development of heparinized polymeric micelle as a novel injectable carrier for the dual drug delivery that can simultaneously release basic fibroblast growth factor (bFGF) and indomethacin (IMC), which can promote the regeneration of damaged tissue and prevent the inflammatory response after implantation. Tetronic-PCL-heparin for the preparation of heparinized polymeric micelle was synthesized by introducing PCL as a biodegradable linkage on Tetronic, following the conjugation of heparin. The mean diameter of the formed TCH micelle was around 114 nm and increases in the micelle size after single and dual drug loading were observed. Loading efficiencies of IMC and bFGF were 30.9% and 70.5%, respectively. In vitro dual drug release profiles from TCH micelles were investigated. IMC was more slowly released from dual drug-loaded micelle over 3 weeks as compared with single drug-loaded one. bFGF was released over 2 months in a controlled manner. Therefore, the release profile results support that TCH micelle could not only incorporate a hydrophobic drug into the core but also bind with bFGF to heparin that exists on its outer shell. The TCH micelle will have enhanced therapeutic effects on the target site which may be required the multi-function of drugs to use.

journal_name

Int J Pharm

journal_title

International journal of pharmaceutics

authors

Lee JS,Bae JW,Joung YK,Lee SJ,Han DK,Park KD

doi

10.1016/j.ijpharm.2007.06.025

subject

Has Abstract

pub_date

2008-01-04 00:00:00

pages

57-63

issue

1-2

eissn

0378-5173

issn

1873-3476

pii

S0378-5173(07)00492-9

journal_volume

346

pub_type

杂志文章

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