Livers have proved trickier -- and had not previously been tested out inside a human body. But with a huge and growing demand for liver donations across the world, researchers hope that gene ...

The liver is the body's control tower for metabolism, powering vital functions like converting nutrients to glucose, storing fat and breaking down toxins. Over a third of the world, however, is ...

These advances have made it possible for scientists to create pigs with organs that are more compatible with human biology, thus reducing the chances of rejection. One common edit, for instance, ...

The pig liver produced far smaller amounts of bile and albumin than a human liver could achieve, Lin said. More research is needed -- including studying the pig liver for more than 10 days, he added.