期刊
BIOMATERIALS
卷 30, 期 3, 页码 383-393出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biomaterials.2008.09.045
关键词
Prodrugs; Hydrogels; Enzyme catalysis; Self-assembly; Drug-delivery; Mesenchymal stem cells
资金
- City University of New York PSC-CUNY
Enzyme catalysis as a tool to disassemble supramolecular hydrogels to control the release of encapsulated drugs provides an Opportunity to design a wide range of enzyme-specific low-molecular-weight hydrogelators. In this proof-of-concept work, we report the synthesis of low-molecular-weight amphiphilic prodrugs as hydrogelators from a well-known drug acetaminophen (which belongs to a class of drugs called analgesics (pain relievers) and antipyretics (fever reducers)). We have shown the ability of prodrugs to self-assemble to form hydrogels that could subsequently encapsulate a second drug such as curcumin, which is a known chemopreventive and anti-inflammatory hydrophobic drug. Upon enzyme-triggered degradation, the hydrogel released single or multiple drugs at physiologically simulated conditions in vitro. Given that the degradation products consist of the drug and a fatty acid, this approach has an advantage over polymer-based prodrugs that generate polymer fragments with heterogeneous chain lengths upon degradation that may present complex toxicity profiles. Additionally, drug-release Occurred without burst release. Spectrophotometric experiments Supported the drug-release, and the rate was controlled by modulation of temperature and enzyme concentration. Mesenchymal stem cells treated with prodrugs retained their stem cell properties including the capacity of multi-lineage differentiation, and maintained their adhesive and proliferation capacities with high viability. The present biomaterials could have broad applications as drug-delivery vehicles and cell invasive matrices. Published by Elsevier Ltd.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据