Columbia researchers have discovered that the human intestine has a reservoir of blood-forming stem cells and that the cells play a central role in the success of organ transplantation.
A biopsy test that helps transplant centers select kidneys for transplantation is often inaccurate, a new study has found, suggesting that reliance on the biopsy should be reduced.
A new Science study from Columbia stem cell researchers has found that the liver is the surprising source of a growth factor that keeps bone marrow stem cells healthy.