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EBF2 regulates osteoblast-dependent differentiation of osteoclasts.
Dev. Cell 9, 757-767 (2005)
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:beta-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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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Sprache
englisch
Veröffentlichungsjahr
2005
HGF-Berichtsjahr
0
ISSN (print) / ISBN
1534-5807
e-ISSN
1878-1551
Zeitschrift
Developmental Cell
Quellenangaben
Band: 9,
Heft: 6,
Seiten: 757-767
Verlag
Elsevier
Begutachtungsstatus
Peer reviewed
PubMed ID
16326388
Erfassungsdatum
2005-12-31