期刊
ADVANCED DRUG DELIVERY REVIEWS
卷 60, 期 1, 页码 69-78出版社
ELSEVIER
DOI: 10.1016/j.addr.2007.04.018
关键词
anti-cancer enzymes; asparaginase; methioninase; arginine deiminase; arginase; uricase
PEGylation (i.e. the covalent link of PEG strands) is a well known technique used to improve pharmaceutical properties of bioactive proteins and peptides. Even in cancer therapy some proteins, in particular enzymes, can find many applications, because of their antiproliferative action or ability to reduce side effects of chemotherapies, but to do so they need to be properly formulated. Unfortunately, formulation alone can not fulfil all the requirements to yield a safe and successful protein preparation for therapeutic applications. In particular, for many proteins fast clearance from the body and potential immunogenicity are severe limitations, which can not be easily overcome without taking into consideration a purposely designed drug delivery system. Among the approaches in the field of drug delivery, PEGylation has so far been the best choice for protein delivery. Here, we describe some examples of PEGylated enzymes useful in antitumoral therapies and the most recent advances in this field. (c) 2007 Elsevier B.V. All rights reserved.
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