期刊
JOURNAL OF DRUG TARGETING
卷 24, 期 6, 页码 475-491出版社
TAYLOR & FRANCIS LTD
DOI: 10.3109/1061186X.2015.1108324
关键词
Chemotherapy; controlled release; delivery system; nanomedicine; stimulus-sensitive
资金
- National Natural Science Foundation of China [21203112]
- Natural Science Foundation of Shandong Province [ZR2012BQ002]
To achieve effective chemotherapy, many types of drug delivery systems have been developed for the specific environments in tumor tissues. Polymer-drug conjugates are increasingly used in tumor therapy due to several significant advantages over traditional delivery systems. In the fabrication of polymer-drug conjugates, a smart linker is an important component that joins two fragments or molecules together and can be cleared by a specific stimulus, which results in targeted drug delivery and controlled release. By regulating the conjugation between the drug and the nanocarriers, stimulus-sensitive systems based on smart linkers can offer high payloads, certified stability, controlled release and targeted delivery. In this review, we summarize the current state of smart linkers (e.g. disulfide, hydrazone, peptide, azo) used recently in various polymer-drug conjugate-based delivery systems with a primary focus on their sophisticated design principles and drug delivery mechanisms as well as in vivo processes.
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