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Glycopeptide-specific monoclonal antibodies suggest new roles for O-GlcNAc

Open access
Teo, Chin Fen, Ingale, Sampat, Wolfert, Margreet A, Elsayed, Galal A, Nöt, Laszlo G, Chatham, John C, Wells, Lance, Boons, Geert-Jan·2010·Nature Chemical Biology

Abstract

Studies of post-translational modification by β-N-acetyl-D-glucosamine (O-GlcNAc) are hampered by a lack of efficient tools such as O-GlcNAc specific antibodies that can be employed for detection, isolation, and site localization. We have obtained a large panel of O-GlcNAc-specific IgG MAbs having a broad spectrum of binding partners by combining three-component immunogen methodology with hybridoma technology. Immunoprecipitation followed by large-scale shotgun proteomics led to the identification of more than 200 mammalian O-GlcNAc modified proteins, including a large number of novel glycoproteins. A substantial number of the glycoproteins were only enriched by one of the antibodies and this observation combined with results of inhibition ELISAs suggests that the antibodies in addition to their O-GlcNAc-dependence also appear to have different, but overlapping, local peptide determinants. The MAbs made it possible to delineate differentially modified proteins of liver in response to trauma-hemorrhage and resuscitation in a rat model.

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Metadata

Authors
Teo, C. F., Ingale, S., Wolfert, M. A., Elsayed, G. A., Nöt, L. G., Chatham, J. C., Wells, L., & Boons, G.-J.
Venue
Nature Chemical Biology
Published
2010-03-21
Volume
6
Issue
5
Pages
338-343
ISSN
  • 1552-4450 (ISSN-L)
  • 1552-4469
OpenAlex
W2070859810
Cited by
181
References
2
FWCI
6.73
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Glycopeptide-specific monoclonal antibodies suggest new roles for O-GlcNAc. https://app.cochat.ai/papers/10.1038/nchembio.338
The paper
Teo, C. F., Ingale, S., Wolfert, M. A., Elsayed, G. A., Nöt, L. G., Chatham, J. C., Wells, L., & Boons, G.-J. (2010). Glycopeptide-specific monoclonal antibodies suggest new roles for O-GlcNAc. Nature Chemical Biology. https://doi.org/10.1038/nchembio.338

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