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Cited by 409

The DOI matches its Crossref record; 47 of the 47 references it cites were found in a registry or an index.

Glycoproteomic probes for fluorescent imaging of fucosylated glycans in vivo

Open access
Sawa, Masaaki, Hsu, Tsui-Ling, Itoh, Takeshi, Sugiyama, Masakazu, Hanson, Sarah R., Vogt, Peter K., Wong, Chi-Huey·2006·Proceedings of the National Academy of Sciences

Abstract

Glycomics is emerging as a new field for the biology of complex glycoproteins and glycoconjugates. The lack of versatile glycan-labeling methods has presented a major obstacle to visualizing at the cellular level and studying glycoconjugates. To address this issue, we developed a fluorescent labeling technique based on the Cu(I)-catalyzed [3 + 2] cycloaddition, or click chemistry, which allows rapid, versatile, and specific covalent labeling of cellular glycans bearing azide groups. The method entails generating a fluorescent probe from a nonfluorescent precursor, 4-ethynyl- N -ethyl-1,8-naphthalimide, by clicking the fluorescent trigger, the alkyne at the 4 position, with an azido-modified sugar. Using this click-activated fluorescent probe, we demonstrate incorporation of an azido-containing fucose analog into glycoproteins via the fucose salvage pathway. Distinct fluorescent signals were observed by flow cytometry when cells treated with 6-azidofucose were labeled with the click-activated fluorogenic probe or biotinylated alkyne. The intracellular localization of fucosylated glycoconjugates was visualized by using fluorescence microscopy. This technique will allow dynamic imaging of cellular fucosylation and facilitate studies of fucosylated glycoproteins and glycolipids.

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Metadata

Authors
Sawa, M., Hsu, T.-L., Itoh, T., Sugiyama, M., Hanson, S. R., Vogt, P. K., & Wong, C.-H.
Venue
Proceedings of the National Academy of Sciences
Published
2006-08-15
Volume
103
Issue
33
Pages
12371-12376
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W4211031782
Cited by
409
References
47
FWCI
17.15
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Glycoproteomic probes for fluorescent imaging of fucosylated glycans in vivo. https://app.cochat.ai/papers/10.1073/pnas.0605418103
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Sawa, M., Hsu, T.-L., Itoh, T., Sugiyama, M., Hanson, S. R., Vogt, P. K., & Wong, C.-H. (2006). Glycoproteomic probes for fluorescent imaging of fucosylated glycans in vivo. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.0605418103

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