Blobs of human brain planted in rats offer new treatment hope

Scientists suggest patient's own cells could be grown in the lab and used to repair stroke or trauma injuries

Blobs of human brain tissue have been transplanted into the brains of rats in work that could pave the way for new treatments for devastating brain injuries.

The groundbreaking study showed that the human brain organoids" - sesame seed-sized balls of neurons - were able to integrate into the rat brain, linking up with their blood supplies and communicating with the rat neurons.