German researchers used a dye to sort stem cells taken from mouse bone marrow and then transplanted them into mice lacking blood stem cells. The procedure showed that one type of stem cell proliferated into more red blood cells than immune cells compared with another type of stem cell. The researchers also found that as the mice grew older, the stem cells that produced the red blood cells made up a large part of all the stem cells -- a discovery that could provide clues regarding age-related blood diseases and cancers in humans, a researcher said.

Full Story:
Science News

Related Summaries