This rat received a transplanted lab-grown miniature liver. [Alejandro Soto-Gutierrez] Researchers at the University of Pittsburgh School of Medicine have created functional mini livers that contain ...

Before new drugs can be used on humans, they need to go through a rigorous regime of testing on animals, artificial models or both, but results don't often carry across to humans completely. Now ...

For the first time, a miniature model of the human brain, a ' brain organoid ', was produced in the laboratory and used to repair damaged parts of the living rat brain. In the future, it may be ...

SCIENTISTS have transplanted lab-grown human brains into rats in an experiment that cured rodent sight problems. The “mini-brains,” also known as human brain organoids, were transplanted into rats ...