4.8 Article

Tools, tactics and objectives to interrogate cellular roles of O-GlcNAc in disease

Journal

NATURE CHEMICAL BIOLOGY
Volume 18, Issue 1, Pages 8-17

Publisher

NATURE PORTFOLIO
DOI: 10.1038/s41589-021-00903-6

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Funding

  1. NIGMS [1R35GM142637-01]
  2. National Institutes of Diabetes and Digestive and Kidney Diseases

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The article discusses the important role of O-GlcNAc modification in cellular metabolism, exploring the challenge of identifying key modification sites among thousands of potential global sites and emphasizing the importance of innovative solutions. Additionally, it summarizes critical suggestions and tool strategies from the international O-GlcNAc community to help newcomers drive innovation in the field.
The vast array of cell types of multicellular organisms must individually fine-tune their internal metabolism. One important metabolic and stress regulatory mechanism is the dynamic attachment/removal of glucose-derived sugar N-acetylglucosamine on proteins (O-GlcNAcylation). The number of proteins modified by O-GlcNAc is bewildering, with at least 7,000 sites in human cells. The outstanding challenge is determining how key O-GlcNAc sites regulate a target pathway amidst thousands of potential global sites. Innovative solutions are required to address this challenge in cell models and disease therapy. This Perspective shares critical suggestions for the O-GlcNAc field gleaned from the international O-GlcNAc community. Further, we summarize critical tools and tactics to enable newcomers to O-GlcNAc biology to drive innovation at the interface of metabolism and disease. The growing pace of O-GlcNAc research makes this a timely juncture to involve a wide array of scientists and new toolmakers to selectively approach the regulatory roles of O-GlcNAc in disease.

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