But she notes that studies in young knock - out mice may not predict the helpfulness of PlGF and similar molecules in healing fractures in humans of all ages. (sciencemag.org)
Twenty - seven percent of the skeletons show signs of healed traumas from earlier fights, including three skulls with healed fractures. (sciencemag.org)
A genetically engineered protein that heals fractured bones and damaged teeth is being tested in the US. (newscientist.com)