Nakashima, K. et al. Cell 108, 17–29 (2002) [PubMed] Osteoblasts are involved in bone formation during development, as well as in bone repair and maintenance later in life. In a cDNA screen for ...

Scientists have identified a protein that blocks the activity of bone-forming cells (osteoblasts) by stopping them from maturing during the journey to sites of bone formation, a new study has found.