Lactosylceramide Is Essential for the Osteoclastogenesis Mediated by Macrophage-Colony-stimulating Factor and Receptor Activator of Nuclear Factor-κB Ligand

Tsutomu Iwamoto, Satoshi Fukumoto, Kazuhiro Kanaoka, Eiko Sakai, Mitsue Shibata, Emiko Fukumoto, Jin Ichi Inokuchi, Kogo Takamiya, Keiko Furukawa, Koichi Furukawa, Yuzo Kato, Akio Mizuno

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

Glycosphingolipids and their metabolites play important roles in a variety of biological processes. Several signal molecules are localized in a glycolipid-enriched microdomain on the cell surface, and their signals are regulated by the glycolipid composition. However, the function of glycolipids in osteoclastogenesis has not been clearly understood. We found that D-threo-1-phenyl-2-decanoylamino-3-morpholino-1-propanol (D-PDMP), a glucosylceramide synthase inhibitor, completely inhibits the osteoclast formation induced by macrophage-colony-stimulating factor and receptor activator of nuclear factor-κB ligand (RANKL) in a dose-dependent manner. Expression of RANK, the receptor of RANKL, induced by macrophage colony-stimulating factor, was reduced markedly in D-PDMP-treated cells. D-PDMP also inhibited the phosphorylation of the inhibitor of nuclear factor-κB and extracellular signal-regulated kinase 1/2 induced by RANKL. In several experiments with the addition of glycolipids to D-PDMP-treated purified bone marrow cells, lactosylceramide (LacCer) strongly affected the differentiation into tartrate-resistant acid phosphatase mononucleated cells, but not positive multinucleated cells. GM3 and GM1 also recovered, but less effectively compared with LacCer. Moreover, exogenous LacCer recovered the reduced expression of RANK and the phosphorylation of inhibitor of NF-κB and extracellular signal-regulated kinase 1/2 after stimulation by RANKL at the same level of cells without D-PDMP treatment. Our data suggest that glycosphingolipids, especially LacCer, are necessary for the initiation step of RANKL-induced osteoclastogenesis.

Original languageEnglish
Pages (from-to)46031-46038
Number of pages8
JournalJournal of Biological Chemistry
Volume276
Issue number49
DOIs
Publication statusPublished - Dec 7 2001
Externally publishedYes

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Macrophage Colony-Stimulating Factor Receptors
Osteogenesis
Glycolipids
Ligands
Glycosphingolipids
Phosphorylation
Mitogen-Activated Protein Kinase 3
Mitogen-Activated Protein Kinase 1
ceramide glucosyltransferase
Cells
Biological Phenomena
Macrophage Colony-Stimulating Factor
Osteoclasts
Metabolites
Acid Phosphatase
Bone Marrow Cells
Bone
RV 538
CDw17 antigen
Molecules

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

Lactosylceramide Is Essential for the Osteoclastogenesis Mediated by Macrophage-Colony-stimulating Factor and Receptor Activator of Nuclear Factor-κB Ligand. / Iwamoto, Tsutomu; Fukumoto, Satoshi; Kanaoka, Kazuhiro; Sakai, Eiko; Shibata, Mitsue; Fukumoto, Emiko; Inokuchi, Jin Ichi; Takamiya, Kogo; Furukawa, Keiko; Furukawa, Koichi; Kato, Yuzo; Mizuno, Akio.

In: Journal of Biological Chemistry, Vol. 276, No. 49, 07.12.2001, p. 46031-46038.

Research output: Contribution to journalArticle

Iwamoto, T, Fukumoto, S, Kanaoka, K, Sakai, E, Shibata, M, Fukumoto, E, Inokuchi, JI, Takamiya, K, Furukawa, K, Furukawa, K, Kato, Y & Mizuno, A 2001, 'Lactosylceramide Is Essential for the Osteoclastogenesis Mediated by Macrophage-Colony-stimulating Factor and Receptor Activator of Nuclear Factor-κB Ligand', Journal of Biological Chemistry, vol. 276, no. 49, pp. 46031-46038. https://doi.org/10.1074/jbc.M104464200
Iwamoto, Tsutomu ; Fukumoto, Satoshi ; Kanaoka, Kazuhiro ; Sakai, Eiko ; Shibata, Mitsue ; Fukumoto, Emiko ; Inokuchi, Jin Ichi ; Takamiya, Kogo ; Furukawa, Keiko ; Furukawa, Koichi ; Kato, Yuzo ; Mizuno, Akio. / Lactosylceramide Is Essential for the Osteoclastogenesis Mediated by Macrophage-Colony-stimulating Factor and Receptor Activator of Nuclear Factor-κB Ligand. In: Journal of Biological Chemistry. 2001 ; Vol. 276, No. 49. pp. 46031-46038.
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AU - Takamiya, Kogo

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AU - Mizuno, Akio

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