Now they're using it to shore up bone. A team of bioengineers from Mexico, India and the U.S. created a silk protein-based scaffolding to encourage new bone cell growth in broken or fractured bones.

Atala and co-workers make replacement parts out of patients’ own raw materials ... The researchers then pour the muscle cells onto the outside of a scaffold made of collagen, the protein ...

Current evidence on partial replacement of the meniscus of the knee using a biodegradable scaffold raises no major safety concerns. Evidence for any advantage of the procedure over standard surgery, ...