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Rejuvenation Res. 2009 Apr;12(2):105-16. doi: 10.1089/rej.2009.0830.

A comprehensive review on mesenchymal stem cell growth and senescence.

Author information

1
Department of Pathophysiology, University of Medical Sciences, Poznan, Poland. kksiazek@ump.edu.pl

Abstract

In recent years mesenchymal stem cells (MSCs) have generated a great deal of excitement as an attractive alternative to embryonic stem cells (ESCs) in cell-based regenerative medicine. In contrast to cells of embryonic origin, however, the clinical application of MSCs is heavily restricted by their finite ability of self-renewal, in which they resemble the rest of the somatic cells. Yet the mechanisms controlling MSC proliferation and senescence remain unclear. This review summarizes recent advances in our understanding of the factors affecting MSC expansion in vitro and discusses the pattern of their senescence with particular emphasis on the role of telomere shortening, activation of effectory pathways, and oxidative stress. The issues associated with MSC growth and senescence will be shown in the context of other somatic cells, and all of the parallels and disparities will be delineated precisely.

PMID:
19405814
DOI:
10.1089/rej.2009.0830
[Indexed for MEDLINE]

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