Abstract Title:

Sulforaphane inhibits osteoclastogenesis by inhibiting nuclear factor-kappaB.

Abstract Source:

Mol Cells. 2005 Dec 31;20(3):364-70. PMID: 16404151

Abstract Author(s):

Soo-Jin Kim, So-Young Kang, Hyun-Hee Shin, Hye-Seon Choi

Article Affiliation:

Department of Biological Sciences, and Immunomodulation Research Center, University of Ulsan, Ulsan 680-749, Korea.


We show that sulforaphane inhibits osteoclastogenesis in the presence of macrophage colony-stimulating factor (M-CSF) and receptor for activation of nuclear factor-kB ligand (RANKL) in osteoclast (OC) precursors. Sulforaphane, an aliphatic isothiocyanate, is a known cancer chemo-preventative agent with anti-oxidative properties. Nuclear factor-kB (NF-kB) is a critical transcription factor in RANKL-induced osteoclastogenesis, and electrophoretic mobility shift assays (EMSAs) and assay of NF-kB-mediated secreted alkaline phosphatase (SEAP) revealed that sulforaphane selectively inhibited NF-kappaB activation induced by RANKL. Inhibition may involve interaction of sulforaphane with thiol groups, since it was prevented by reducing agents.

Study Type : In Vitro Study

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