The pro-osteogenic action of beta-catenin requires interaction with BMP signaling, but not Tcf/Lef transcriptional activity.
Salazar VS, Mbalaviele G, Civitelli R. The pro-osteogenic action of beta-catenin requires interaction with BMP signaling, but not Tcf/Lef transcriptional activity. J Cell Biochem. 2008 Jun 01; 104(3):942-52.