Citrate key in bone's nanostructure

Bone is one of nature's surprising "building materials." Pound-for-pound it's stronger than steel, tough yet resilient. Scientists at the U.S. Department of Energy's Ames Laboratory have identified the composition that ...

Osteoblasts are bone idle without Frizzled-9

New research shows that the Wnt receptor Frizzled-9 (Fzd9) promotes bone formation, providing a potential new target for the treatment of osteoporosis. The study appears online on March 14 in The Journal of Cell Biology .