O-GlcNAcylation dictates pyroptosis

Front Immunol. 2024 Dec 17:15:1513542. doi: 10.3389/fimmu.2024.1513542. eCollection 2024.

Abstract

O-GlcNAcylation is a dynamic post-translational modification involving the attachment of N-acetylglucosamine to serine and threonine residues. This review emphasizes its role in regulating the signaling pathways of pyroptosis. Specifically, the O-GlcNAcylation of GSDMD is linked to the modulation of pyroptosis, suggesting that enhancing O-GlcNAcylation of GSDMD could be crucial for improving hypoperfusion in sepsis. Additionally, GSDME, another member of the gasdermin family, facilitates macrophage pyroptosis through O-GlcNAcylation induced by high glucose levels in the context of periodontitis. The review also examines the effects of O-GlcNAcylation on the NLRP3 inflammasome and its regulators, including NEK7 and NF-κB. Overall, this review emphasizes the role of O-GlcNAcylation in the pathogenesis of conditions such as sepsis, periodontitis, and osteoarthritis, identifying potential therapeutic targets for managing inflammatory responses through its targeted modulation.

Keywords: GSDMD; GSDME; NLRP3; O-GlcNAcylation; pyroptosis.

Publication types

  • Review

MeSH terms

  • Acetylglucosamine / metabolism
  • Animals
  • Gasdermins
  • Humans
  • Inflammasomes* / metabolism
  • Intracellular Signaling Peptides and Proteins / metabolism
  • Macrophages / immunology
  • Macrophages / metabolism
  • NF-kappa B / metabolism
  • NIMA-Related Kinases / metabolism
  • NLR Family, Pyrin Domain-Containing 3 Protein / metabolism
  • Osteoarthritis / immunology
  • Osteoarthritis / metabolism
  • Osteoarthritis / pathology
  • Periodontitis / immunology
  • Periodontitis / metabolism
  • Phosphate-Binding Proteins* / metabolism
  • Protein Processing, Post-Translational*
  • Pyroptosis*
  • Sepsis / immunology
  • Sepsis / metabolism
  • Signal Transduction

Substances

  • Inflammasomes
  • Phosphate-Binding Proteins
  • GSDMD protein, human
  • NLR Family, Pyrin Domain-Containing 3 Protein
  • Acetylglucosamine
  • Intracellular Signaling Peptides and Proteins
  • NF-kappa B
  • NIMA-Related Kinases
  • NEK7 protein, human
  • Gasdermins

Grants and funding

The author(s) declare financial support was received for the research, authorship, and/or publication of this article. This work was supported by National Natural Science Foundation of China (82272306 and 82072270), Shandong Provincial Natural Science Foundation (ZR2024MH017), and Taishan Scholars Program (tstp20221142).