An adherent condition is required for formation of multinuclear osteoclasts in the presence of macrophage colony-stimulating factor and receptor activator of nuclear factor KB ligand

Takeshi Miyamoto, Fumio Arai, Osamu Ohneda, Katsumasa Takagi, Dirk M. Anderson, Toshio Suda

Research output: Contribution to journalArticle

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Abstract

Identification of receptor activator of nuclear factor-κB (RANK) and RANK-ligand (RANKL) has provided new insights into the osteoclast differentiation pathway. Osteoclast precursor cells were isolated using monoclonal antibodies against c-Fms and RANK, and the effect of adherence on the in vitro differentiation and proliferation of these cells was examined in 2 different types of stromal-cell-free culture systems: a semisolid culture medium (a nonadherent system) and a liquid culture medium (an adherent system). Osteoclast precursor cells were not able to differentiate into mature osteoclasts efficiently in the semisolid culture system. Trimerized RANKL enhanced osteoclast differentiation in semisolid cultures, but not to the extent seen when cells were allowed to adhere to plastic. Initial precursor cells were capable of differentiating into macrophages or osteoclasts. Once these cells were transferred to adherent conditions, striking differentiation was induced. Multinuclear cells were observed even after they had displayed phagocytic activity, which suggests that cell adhesion plays an important role in the differentiation of osteoclast precursor cells. Integrins, especially the arginineglycine-aspartic acid (RGD)-recognizing integrins αv and β3, were needed for osteoclast-committed precursor cells to proliferate in order to form multinuclear osteoclasts, and the increase in cell density affected the formation of multinuclear cells. A model of osteoclast differentiation with 2 stages of precursor development is proposed: (1) a first stage, in which precursor cells are bipotential and capable of anchorage-independent growth, and (2) a second stage, in which the further proliferation and differentiation of osteoclast-committed precursor cells is anchorage-dependent

Original languageEnglish
Pages (from-to)4335-4343
Number of pages9
JournalBlood
Volume96
Issue number13
Publication statusPublished - 2000
Externally publishedYes

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Macrophage Colony-Stimulating Factor Receptors
Osteoclasts
Ligands
RANK Ligand
Integrins
Culture Media
Cell-Free System
Macrophages
Cell adhesion
Cytoplasmic and Nuclear Receptors
Stromal Cells
Aspartic Acid
Cell Adhesion
Plastics
Cell Differentiation

ASJC Scopus subject areas

  • Hematology

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An adherent condition is required for formation of multinuclear osteoclasts in the presence of macrophage colony-stimulating factor and receptor activator of nuclear factor KB ligand. / Miyamoto, Takeshi; Arai, Fumio; Ohneda, Osamu; Takagi, Katsumasa; Anderson, Dirk M.; Suda, Toshio.

In: Blood, Vol. 96, No. 13, 2000, p. 4335-4343.

Research output: Contribution to journalArticle

Miyamoto, Takeshi ; Arai, Fumio ; Ohneda, Osamu ; Takagi, Katsumasa ; Anderson, Dirk M. ; Suda, Toshio. / An adherent condition is required for formation of multinuclear osteoclasts in the presence of macrophage colony-stimulating factor and receptor activator of nuclear factor KB ligand. In: Blood. 2000 ; Vol. 96, No. 13. pp. 4335-4343.
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