Reliability of proliferation controls. The Hayflick limit and its breakdown in cancer.
D000368:Aged; D000375:Aging; D000818:Animals; D002454:Cell Differentiation; D002455:Cell Division; D002471:Cell Transformation, Neoplastic; D002472:Cell Transformation, Viral; D002478:Cells, Cultured; D005347:Fibroblasts / Q000166:cytology; D006801:Humans; D008875:Middle Aged; D008954:Models, Biological; D009154:Mutation; D009369:Neoplasms / Q000209:etiology*