Researchers distinguish two different types of blood stem cells

Researchers distinguish two different types of blood stem cells

Red and white blood cells come from different sources

By Laura Sanders, 11:50 AM March 4, 2010

All stem cells are not created equal, a new study finds. Two distinct kinds of self-renewing blood cells have been spotted in mice, muddying a simplistic view of stem cell categories.

Knowing how these different types of stem cells behave may help scientists better understand and treat blood diseases.

“The definition of a stem cell, as you look closer, gets more complicated,” comments stem cell researcher Timm Schroeder of the German Research Center for Environmental Health’s Institute of...

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