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Critical Reviews in Oral Biology & Medicine, Vol 3, 353-370, Copyright © 1992 by International & American Associations for Dental Research
ARTICLES |
T. H. Norwood and W. R. Pendergrass
Department of Pathology, University of Washington, Seattle 98195.
The limited proliferative potential of the cultured human diploid fibroblast is now well established. A number of biological correlates suggest that this culture system is a model for the study of aging at the cellular level. The mechanism(s) that causes the loss of proliferative activity is unknown; the results of some recent studies indicate that specific genes may play a pivotal role in cellular aging in vitro. The extent to which changes in proliferative functions are causally related to aging in vivo is currently under investigation.
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