Transplant rejection

American scientists have managed to turn small "seeds" from liver tissue into fully functioning organs in mice. Reports ChronicleBG. 

If the method is also applicable to humans, long waiting lists for transplants will be reduced. It will also benefit people with hepatic insufficiency who can not undergo such surgery.

One day, cardiac patients may enjoy a new lease on life with pig hearts beating in their chests, said researchers reporting a major advance on April 5 in cross-species organ transplantation.

Given the dire shortage of organ donors, the use of animal hearts, lungs or livers to save human lives has long been a holy grail of medical science.