A British research team led by the world's leading heart surgeon has grown part of a human heart from stem cells for the first time.
For the first time, researchers have used adult bone marrow stem cells to regenerate healthy human liver tissue, according to a study published in the April issue of the journal Radiology.
"Molecular scientists . . . have developed a new procedure for the differentiation of human embryonic stem cells, with which they have created the first transplantable source of lung epithelial cells."