Serum complement system activation in normal healing and atrophic non-union of human long bone fractures - Takeaways - MDSpire

Serum complement system activation in normal healing and atrophic non-union of human long bone fractures

  • By

  • Yasser M. El-Sherbiny

  • Youssif M. Ali

  • Elena Jones

  • Peter V. Giannoudis

  • Jehan J. El-Jawhari

  • June 9, 2026

  • 0 min

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  • 1

    The study investigates the serum complement system's activation during normal healing and non-union of long bone fractures in humans.

  • 2

    Significant increases in complement C1s and C1r were observed during the inflammatory phase of normal fracture healing.

  • 3

    Serum levels of C3, C3a, and C9 were notably higher in the inflammatory phase compared to other healing phases.

  • 4

    In non-union fractures, serum MASP1 levels were significantly elevated, indicating its role in abnormal healing.

  • 5

    The findings suggest potential for using complement system components as biomarkers and therapeutic targets in bone injuries.

Original Source(s)

Serum complement system activation in normal healing and atrophic non-union of human long bone fractures

  • by Yasser M. El-Sherbiny, Youssif M. Ali, Elena Jones, Peter V. Giannoudis, Jehan J. El-Jawhari

  • June 9, 2026

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