Inhibitory effects of the bone-derived growth factors osteoinductive factor and transforming growth factor-β on isolated osteoclasts

R. O C Oreffo, Lynda Bonewald, A. Kukita, I. R. Garrett, S. M. Seyedin, D. Rosen, G. R. Mundy

Research output: Contribution to journalArticle

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Abstract

Demineralized bone matrix contains a number of growth factors for osteoblast-like cells. Two of these, the novel glycoprotein osteoinductive factor (GIF) and transforming growth factor-β (TGFβ), act together to cause ectopic bone formation in vivo. Since OIF, like TGFβ, is likely released from bone when the matrix is resorbed, we examined the effects of homogeneous OIF and TGFβ on osteoclast function. Osteoclast function was tested in isolated avian osteoclasts and was measured in terms of tartrate-resistant acid phosphatase (TRAP) activity, oxygen-derived free radical production, and formation of characteristic resorption lacunae on slices of sperm whale dentine. OIF (50-100 ng/ml) inhibited the capacity of these osteoclasts to form lacunae whether assessed by the number of excavations per slice or by the total area resorbed. OIF (10-100 ng/ml) or TGFβ (10-20 ng/ml) caused a decrease in TRAP activity as well as a reduction in oxygen-derived free radical generation detected by nitroblue tetrazolium staining. TGFβ had no effect on the resorption capacity of isolated osteoclasts in concentrations that inhibited TRAP activity and nitroblue tetrazolium staining. These results suggest that growth regulatory factors, such as OIF and TGFβ, released during the resorption of bone may be endogenous inhibitors of continued osteoclastic activity. This cessation of osteoclast activity may be an essential preliminary step to the new bone formation that occurs at resorption sites during bone remodeling.

Original languageEnglish (US)
Pages (from-to)3069-3075
Number of pages7
JournalEndocrinology
Volume126
Issue number6
StatePublished - Jun 1990
Externally publishedYes

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Bone Development
Transforming Growth Factors
Osteoclasts
Intercellular Signaling Peptides and Proteins
Nitroblue Tetrazolium
Bone Matrix
Osteogenesis
Free Radicals
Sperm Whale
Staining and Labeling
Oxygen
Bone Remodeling
Dentin
Bone Resorption
Osteoblasts
Glycoproteins
Tartrate-Resistant Acid Phosphatase

ASJC Scopus subject areas

  • Endocrinology
  • Endocrinology, Diabetes and Metabolism

Cite this

Oreffo, R. O. C., Bonewald, L., Kukita, A., Garrett, I. R., Seyedin, S. M., Rosen, D., & Mundy, G. R. (1990). Inhibitory effects of the bone-derived growth factors osteoinductive factor and transforming growth factor-β on isolated osteoclasts. Endocrinology, 126(6), 3069-3075.

Inhibitory effects of the bone-derived growth factors osteoinductive factor and transforming growth factor-β on isolated osteoclasts. / Oreffo, R. O C; Bonewald, Lynda; Kukita, A.; Garrett, I. R.; Seyedin, S. M.; Rosen, D.; Mundy, G. R.

In: Endocrinology, Vol. 126, No. 6, 06.1990, p. 3069-3075.

Research output: Contribution to journalArticle

Oreffo, ROC, Bonewald, L, Kukita, A, Garrett, IR, Seyedin, SM, Rosen, D & Mundy, GR 1990, 'Inhibitory effects of the bone-derived growth factors osteoinductive factor and transforming growth factor-β on isolated osteoclasts', Endocrinology, vol. 126, no. 6, pp. 3069-3075.
Oreffo, R. O C ; Bonewald, Lynda ; Kukita, A. ; Garrett, I. R. ; Seyedin, S. M. ; Rosen, D. ; Mundy, G. R. / Inhibitory effects of the bone-derived growth factors osteoinductive factor and transforming growth factor-β on isolated osteoclasts. In: Endocrinology. 1990 ; Vol. 126, No. 6. pp. 3069-3075.
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