期刊
BIOCHIMICA ET BIOPHYSICA ACTA-GENERAL SUBJECTS
卷 1800, 期 2, 页码 107-121出版社
ELSEVIER
DOI: 10.1016/j.bbagen.2009.07.028
关键词
O-GlcNAc; Nucleocytoplasmic glycosylation; Glycoprotein; O-GlcNAcase; OGA; Enzyme inhibitor; Glycoside hydrolase; Substrate-assisted catalysis
资金
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- Canadian Institutes of Health Research (CIHR)
- Michael Smith Foundation of Health Research (MSFHR)
The O-GlcNAc modification is found on many nucleocytoplasmic proteins.-he dynamic nature of O-GlcNAc, which in some ways is reminiscent of phosphorylation, has enabled investigators to modulate the stoichiometry of O-GlcNAc on proteins in order to study its function Although several genetic and pharmacological methods for manipulating O-GlcNAc levels have been described, one of the most direct approaches of increasing global O-GlcNAc levels is by using small-molecule inhibitors of O-GlcNAcase (OGA). As the interest in increasing O-GlcNAc levels has grown, so too has the number of OGA inhibitors. This review provides an overview of the available methods of increasing O-GlcNAc levels, with a special emphasis on inhibition of OGA by small molecules. Known inhibitors of OGA are discussed with particular attention on those most suitable for cell-based biological studies. Several examples in which OGA inhibitors have been used to study the functional role of the O-GlcNAc modification in biological systems are discussed, highlighting the pros and cons of different inhibitors. (C) 2008 Elsevier B.V. All rights reserved.
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