Wednesday, August 29, 2007

Researchers dispute widely held ideas about stem cells

Source: University of Michigan
Date: August 29, 2007

Summary:

How do adult stem cells protect themselves from accumulating genetic mutations that can lead to cancer? For more than three decades, many scientists have argued that the "immortal strand hypothesis" - which states that adult stem cells segregate their DNA in a non-random manner during cell division -- explains it. And several recent reports have presented evidence backing the idea.