Researchers have described a novel molecular pathway that may have a critical role in bone healing and have suggested that lithium, which affects this pathway, has the potential to improve fracture healing. The study, led by Benjamin Alman from the Hospital For Sick Children, Toronto, investigated the role of the a-catenin signaling pathway, which activates T cell factor -dependent gene transcription, and which is known to have a key regulatory role in embryonic skeletal development. Join discussion...