Figure 1. (IMAGE) Osaka University Caption BMP-induced ectopic bone formation in wild type and Smurf2-deficient mice. In the Smurf2-deficient mice, ectopic bone induced by bone morphogenetic protein (BMP) was large and composed of abundant trabecular bone. Credit <i>Bone Research</i> (Springer Nature) ISSN 2095-6231 (online) Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.