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O-GlcNAcylation: Sagacious Orchestrator of Bone-, Joint-, and Spine-Related Diseases

Guihuo Wei1, Hao Jia1, Zhuo Zhang1

  • 1Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, China.

Journal of Proteome Research
|February 8, 2025
PubMed

Insights

O-linked beta-N-acetylglucosamine glycosylation (O-GlcNAcylation) plays a key role in musculoskeletal diseases like osteoarthritis and osteoporosis. This review summarizes current evidence on O-GlcNAcylation

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Background:

  • O-linked beta-N-acetylglucosamine glycosylation (O-GlcNAcylation) is a crucial post-translational modification.
  • Its role in musculoskeletal diseases remains understudied compared to other modifications like phosphorylation.
  • Emerging research highlights O-GlcNAcylation's involvement in conditions such as osteoarthritis, osteoporosis, osteosarcoma, and intervertebral disc degeneration.

Purpose of the Study:

  • To systematically review and synthesize current knowledge on O-GlcNAcylation in musculoskeletal diseases.
  • To elucidate the underlying biological mechanisms and signaling pathways involved.
  • To identify limitations, controversies, and future research directions.

Main Methods:

  • Comprehensive literature search of studies investigating O-GlcNAcylation in musculoskeletal contexts.
  • Analysis of existing data on O-GlcNAcylation's regulatory roles.
  • Synthesis of findings related to specific musculoskeletal conditions and signaling pathways.

Main Results:

  • O-GlcNAcylation has been shown to regulate the development and progression of osteoarthritis, osteoporosis, osteosarcoma, and intervertebral disc degeneration.
  • Specific signaling pathways influenced by O-GlcNAcylation in these diseases have been identified.
  • Evidence suggests O-GlcNAcylation is a significant, yet previously overlooked, factor in musculoskeletal health and disease.

Conclusions:

  • O-GlcNAcylation is an important post-translational modification with significant implications for musculoskeletal diseases.
  • Further research is warranted to fully understand and potentially target O-GlcNAcylation pathways for therapeutic interventions.
  • This review provides a foundation for future investigations into O-GlcNAcylation's role in skeletal health.
Keywords:
O-GlcNAcylationintervertebral disc degenerationosteoarthritisosteoporosisosteosarcoma

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