Article
Telomere Biology in Aging and Cancer
12 Jul 2005
Abstract excerpt
It is thought that a limited investment by the body in many types of maintenance and repair causes aging. Cell turnover is one mechanism of replacing damaged cells, and cell division thus contributes to good repair, but the number of times cells can divide is limited to form a barrier against cancer. Precancerous cells must divide many times to accumulate all of the mutations needed to become malignant. Limiting...
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