Thread: Stem Cells Redeux
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Unread 03-07-2009, 11:25 AM   #9
Azisien
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Originally Posted by Jagos View Post
Just one thing I wanted to ask about...

For stem cells, what stops them from changing into a different type of cell? When they're aligned for say... skin cells, is there something to stop it from being a blood cell?
As least for basic types of stem cells, once you lose totipotency, it's gone for good or mostly irreversible. So, stem cells that become skin cells stay that way.

Really this is a necessary process, since stem cells are a natural thing, and we can't have our skin suddenly becoming neurons now can we?
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