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  EBF2 Regulates Osteoblast-Dependent Differentiation of Osteoclasts

Kieslinger, M., Folberth, S., Dobreva, G., Dorn, T., Croci, L., Erben, R., et al. (2005). EBF2 Regulates Osteoblast-Dependent Differentiation of Osteoclasts. Developmental Cell, 9, 757-767.

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Kieslinger, Matthias1, Autor           
Folberth, Stephanie1, Autor           
Dobreva, Gergana1, Autor           
Dorn, Tatjana, Autor
Croci, Laura, Autor
Erben, Reinhold, Autor
Consalez, G. Giacomo, Autor
Grosschedl, Rudolf1, Autor           
Affiliations:
1Department of Cellular and Molecular Immunology, Max Planck Institute of Immunobiology and Epigenetics, Max Planck Society, ou_2243641              

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 Zusammenfassung: Communication between bone-depositing osteoblasts and bone-resorbing osteoclasts is required for bone development and homeostasis. Here, we identify EBF2, a member of the early B cell factor (EBF) family of transcription factors that is expressed in osteoblast progenitors, as a regulator of osteoclast differentiation. We find that mice homozygous for a targeted inactivation of Ebf2 show reduced bone mass and an increase in the number of osteoclasts. These defects are accompanied by a marked downregulation of the osteoprotegerin (Opg) gene, encoding a RANK decoy receptor. EBF2 binds to sequences in the Opg promoter and transactivates the Opg promoter in synergy with the Wnt-responsive LEF1/TCF:β-catenin pathway. Taken together, these data identify EBF2 as a regulator of RANK-RANKL signaling and osteoblast-dependent differentiation of osteoclasts.

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Sprache(n): eng - English
 Datum: 2005-12
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
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 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: eDoc: 263302
 Art des Abschluß: -

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Titel: Developmental Cell
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 9 Artikelnummer: - Start- / Endseite: 757 - 767 Identifikator: -