Scientists have invented an injectable “goo” that can regrow cartilage in the body. For now, they’ve only tested it in sheep, but it could someday be used to repair joint damage in humans, the researchers say.
In particular, they hope the goo can treat damage caused by degenerative diseases, such as osteoarthritis, and sports-related injuries, including anterior cruciate ligament (ACL) tears.
Cartilage is a strong, flexible tissue that lines the surface of joints, such as the knees. It cushions the joints and prevents the bones within them from grinding against one another during movement. But as we age, the cartilage in our joints gradually deteriorates. It can also become damaged by injury or as a result of chronic overuse. As the cartilage wears away, people may experience joint pain and struggle to walk.
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