Osteoblast-osteoclast communication

Niklas Rye Jørgensen, Thomas H. Steinberg, Roberto Civitelli

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

Intercellular communication is critical to the development of bone cells and the regulation of bone cell function to maintain a normal bone mass. Several specific mechanisms and molecules involved in communication among osteoblasts and between osteoblasts and osteoclasts have been recognized. Osteoblasts and osteoclasts may interact by mediators released by one cell and act on another, by membrane molecules on both cells interacting directly, and by gap junctional communication. Substantial evidence shows that bone cells use all three of these mechanisms. This article discusses recent advances in research regarding communication between bone cells by extracellular nucleotides/purinergic P2 receptors; gap junctional communication; and the relationship to bone cell function, signaling by intercellular calcium waves, and direct cell-cell interactions by cell- adhesion molecules. Also, the recently identified osteoprotegerin ligand- osteoclast differentiation factor important to osteoclast differentiation is discussed.

Original languageEnglish
Pages (from-to)367-373
Number of pages7
JournalCurrent Opinion in Orthopaedics
Volume10
Issue number5
DOIs
StatePublished - Nov 29 1999

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