• Injury · Dec 2014

    Review

    The role of pleiotrophin in bone repair.

    • Margarita Lamprou, Angelos Kaspiris, Elias Panagiotopoulos, Peter V Giannoudis, and Evangelia Papadimitriou.
    • Injury. 2014 Dec 1;45(12):1816-23.

    AbstractBone has an enormous capacity for growth, regeneration, and remodelling, largely due to induction of osteoblasts that are recruited to the site of bone formation. Although the pathways involved have not been fully elucidated, it is well accepted that the immediate environment of the cells is likely to play a role via cell–matrix interactions, mediated by several growth factors. Formation of new blood vessels is also significant and interdependent to bone formation, suggesting that enhancement of angiogenesis could be beneficial during the process of bone repair. Pleiotrophin (PTN), also called osteoblast-specific factor 1, is a heparin-binding angiogenic growth factor, with a well-defined and significant role in both physiological and pathological angiogenesis. In this review we summarise the existing evidence on the role of PTN in bone repair.

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