Contribution of p16(INK4a) to replicative senescence of human fibroblasts.

Abstract excerpt

In standard conditions of tissue culture, human fibroblasts undergo a limited number of population doublings before entering a state of irreversible growth arrest termed replicative senescence or M1. The arrest is triggered by a combination of telomere dysfunction and the stresses inflicted by culture conditions and is implemented, at least in part, by the cyclin-dependent kinase inhibitors p21(CIP1) and...

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