Cited by 346Glycosylation and Glycoproteins ResearchCarbohydrate Chemistry and SynthesisMetabolism, Diabetes, and Cancer

O-GlcNAc signaling: a metabolic link between diabetes and cancer?

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Slawson, C., Copeland, R.J., Hart, G.W.·2010·Trends in Biochemical Sciences

Abstract

O-linked β-N-acetylglucosamine (O-GlcNAc) is a sugar attachment to serine or threonine hydroxyl moieties on nuclear and cytoplasmic proteins. In many ways, O-GlcNAcylation is similar to phosphorylation because both post-translational modifications cycle rapidly in response to internal or environmental cues. O-GlcNAcylated proteins are involved in transcription, translation, cytoskeletal assembly, signal transduction, and many other cellular functions. O-GlcNAc signaling is intertwined with cellular metabolism; indeed, the donor sugar for O-GlcNAcylation (UDP-GlcNAc) is synthesized from glucose, glutamine, and UTP via the hexosamine biosynthetic pathway. Emerging research indicates that O-GlcNAc signaling and its crosstalk with phosphorylation are altered in metabolic diseases, such as diabetes and cancer.

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  • KRAS promotes the hexosamine biosynthesis pathway, which supplies precursors for lipid and protein glycosylation.

    “KRAS also promotes the hexosamine biosynthesis pathway (HBP), which provides precursors for lipid and protein glycosylation34, and the non-oxidative arm of the pentose phosphate pathway (PPP)28, which supplies ribose, the backbone for nucleic acid production35 (Fig 2).”

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Authors
Slawson, C., Copeland, R. J., & Hart, G. W.
Affiliations
Johns Hopkins University (US)
Venue
Trends in Biochemical Sciences
Publisher
Elsevier BV
Published
2010-10
Volume
35
Issue
10
Pages
547-555
ISSN
0968-0004 (ISSN-L)
OpenAlex
W1982409123
Cited by
346
References
86
Citations by year
2026: 9 · 2025: 19 · 2024: 17 · 2023: 11 · 2022: 18 · 2021: 22 · 2020: 21 · 2019: 17 · 2018: 34 · 2017: 30 · 2016: 23 · 2015: 25 · 2014: 30 · 2013: 24 · 2012: 27
FWCI
1.92
Type
journal article
Language
en
Open access
Locations
  • Trends in Biochemical Sciences (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Cancer Institute (R01CA042486)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK061671, P30DK079637)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Glycosylation and Glycoproteins Research
  • Physical Sciences › Chemistry › Organic Chemistry › Carbohydrate Chemistry and Synthesis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
Keywords
O-GlcNAcylation, UDP-GlcNAc, hexosamine biosynthetic pathway, post-translational modification, cellular metabolism, diabetes mellitus, cancer, metabolic disorders
MeSH terms
Acetylglucosamine, Animals, Diabetes Mellitus, Hexosamines, Humans, Insulin, Neoplasms, Signal Transduction

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