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, Volume 40, Issue 3–4, pp 215–219

Cartilage destruction and osteophytes in instability-induced murine osteoarthritis: Role of TGFβ in osteophyte formation?

  • Wim B. van den Berg
  • Gerjo J. V. M. van Osch
  • Peter M. van der Kraan
  • Henk M. van Beuningen
Bone and Cartilage


Osteoarthritis is characterized by focal cartilage destruction and marked formation of osteophytes. We have investigated the possible relationship between site specific occurrence of cartilage damage and osteophytes in the collagenase induced murine osteoarthritis model. The degree of instability of the joint correlated with the amount of cartilage loss. Moreover, cartilage damage in the medial tibial plateau correlated only strongly with the osteophyte at the medial plateau, whereas a similar, site directed trend was noted for lateral damage and lateral osteophytes. A separate study with intraarticular injection of TGFβ1 in normal murine knee joints revealed that this factor can induce osteophytes at characteristic sites, suggesting a role of endogenous TGFβ in this phenomenon.


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Copyright information

© Birkhäuser Verlag 1993

Authors and Affiliations

  • Wim B. van den Berg
    • 1
  • Gerjo J. V. M. van Osch
    • 1
  • Peter M. van der Kraan
    • 1
  • Henk M. van Beuningen
    • 1
  1. 1.Department of RheumatologyUniversity Hospital NijmegenNijmegenThe Netherlands

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