Is There a Governing Role of Osteocytes in Bone Tissue Regeneration?

Author:

Cao WeiORCID,Helder Marco N.ORCID,Bravenboer NathalieORCID,Wu GangORCID,Jin JianfengORCID,ten Bruggenkate Christiaan M.ORCID,Klein-Nulend JennekeORCID,Schulten Engelbert A. J. M.ORCID

Abstract

Abstract Purpose of Review Bone regeneration plays an important role in contemporary clinical treatment. Bone tissue engineering should result in successful bone regeneration to restore congenital or acquired bone defects in the human skeleton. Osteocytes are thought to have a governing role in bone remodeling by regulating osteoclast and osteoblast activity, and thus bone loss and formation. In this review, we address the so far largely unknown role osteocytes may play in bone tissue regeneration. Recent Findings Osteocytes release biochemical signaling molecules involved in bone remodeling such as prostaglandins, nitric oxide, Wnts, and insulin-like growth factor-1 (IGF-1). Treatment of mesenchymal stem cells in bone tissue engineering with prostaglandins (e.g., PGE2, PGI2, PGF), nitric oxide, IGF-1, or Wnts (e.g., Wnt3a) improves osteogenesis. Summary This review provides an overview of the functions of osteocytes in bone tissue, their interaction with other bone cells, and their role in bone remodeling. We postulate that osteocytes may have a pivotal role in bone regeneration as well, and consequently that the bone regeneration process may be improved effectively and rapidly if osteocytes are optimally used and stimulated.

Funder

Health-Holland

China Scholarship Council

Publisher

Springer Science and Business Media LLC

Subject

Endocrinology, Diabetes and Metabolism

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