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Breaching the kinetic barrier to in vitro somatic stem cell propagation

Author(s): Merok Joshua R. | Sherley James L.

Journal: Journal of Biomedicine and Biotechnology
ISSN 1110-7243

Volume: 1;
Issue: 1;
Start page: 25;
Date: 2001;
Original page

Here we have reviewed the conventional definitions and fundamental characteristics of the two basic types of stem cells, embryonic stem cells (ESCs) and somatic stem cells (SSCs). By taking into account the often-overlooked asymmetric cell kinetics of SSCs, we consider the evidence that should SSCs retain these growth kinetics in vitro, a natural kinetic barrier to SSC propagation exists. Recent discoveries showing that the tumor suppressor gene p53 can act as a regulator of asymmetric cell kinetics provide a target pathway for in vitro SSC propagation strategies.
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