HUMAN embryonic stem cells have been grown in mice in a development which scientists claim could be a turning point for future drug trials.

Researchers in South Korea said the breakthrough offered the prospect of potentially dangerous clinical studies of new medicines being carried out in mice rather than humans.

The Maria BioTech institute in Seoul said its “hu-mouse” project was the first of its kind in the world.

Stem cells are the undifferentiated building-block cells produced by the body that become specialised cells.

Embryonic stem cells can turn into any type of tissue, and scientists believe they will eventually help repair damaged organs and reverse currently incurable illnesses, such as Parkinson’s.
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