Journal
CURRENT OPINION IN CELL BIOLOGY
Volume 22, Issue 2, Pages 234-240Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/j.ceb.2009.12.005
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Cellular senescence is an extremely stable form of cell cycle arrest activated in response to stress. Autophagy, a lysosome-dependent cellular catabolic process, can also be triggered by cellular stresses. Both senescence and autophagy have been implicated in a similar range of pathophysiologies, including cancer, aging and age-related symptoms. Senescence is a heterogeneous phenotype that is composed of multiple effector mechanisms and autophagy was recently identified as a new effector of senescence. Autophagy seemingly has different impacts on cells responding to stress through a diversity of effects: recycling of metabolic waste, cell survival and protein expression regulation.
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