生物制药
组合化学
PEG比率
结合
合理设计
生化工程
蛋白质工程
作者
Søren Blok van Witteloostuijn,Søren L. Pedersen,Knud J. Jensen
出处
期刊:ChemMedChem
[Wiley]
日期:2016-11-21
卷期号:11 (22): 2474-2495
被引量:101
标识
DOI:10.1002/cmdc.201600374
摘要
Peptides and proteins constitute a vast pool of excellent drug candidates. Evolution has equipped these molecules with superior drug-like properties such as high specificity and potency. However, native peptides and proteins suffer from an inadequate pharmacokinetic profile, and their outstanding pharmacological potential can only be realized if this issue is addressed during drug development. To overcome this challenge, a variety of half-life extension techniques relying on covalent chemical modification have been developed. These methods include PEGylation, fusion to unstructured polypeptide-based PEG mimetics, conjugation of large polysaccharides, native-like glycosylation, lipidation, fusion to albumin or the Fc domain of IgG, and derivatization with bio-orthogonal moieties that direct self-assembly. This review provides an overview of available conjugation chemistries, biophysical properties, and safety data associated with these concepts. Moreover, the effects of these modifications on peptide and protein pharmacokinetics are demonstrated through key examples.
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