From uric acid to tophi: multistage molecular and cellular mechanisms of tophi formation - Summary - MDSpire

From uric acid to tophi: multistage molecular and cellular mechanisms of tophi formation

  • By

  • Heguo Yan

  • Bo Yang

  • Niqin Xiao

  • Jian Zhang

  • Yundong Xu

  • Bingbing Chen

  • Sanjin Zeng

  • He Qian

  • Shengyi Zhao

  • Rong Wang

  • Jing Xie

  • Zhaofu Li

  • Zhaohu Xie

  • June 10, 2026

  • 0 min

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Objective:

To describe the multistage and dynamic pathological process underlying tophus formation in chronic gout.

Approach:
    Key Findings:
    • Tophus formation is a complex process involving MSU crystal deposition, inflammation, and tissue fibrosis.
    • Hyperuricemia is a primary factor but does not fully explain the clinical variability in tophus development.
    • The study highlights the roles of immune cells, neutrophil extracellular traps, and macrophage transitions in tophus formation.
    Interpretation:

    Limitations:
    • The mechanisms of MSU crystal nucleation and the effects of neutrophil extracellular traps remain partially understood.
    • The influence of genetic and environmental factors on tophus formation is not fully elucidated.
    Conclusion:

    The study provides insights into the molecular and cellular pathways of tophus development.

Original Source(s)

From uric acid to tophi: multistage molecular and cellular mechanisms of tophi formation

  • by Heguo Yan, Bo Yang, Niqin Xiao, Jian Zhang, Yundong Xu, Bingbing Chen, Sanjin Zeng, He Qian, Shengyi Zhao, Rong Wang, Jing Xie, Zhaofu Li, Zhaohu Xie

  • June 10, 2026

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