DNA damage-dependent mechanisms of ionizing radiation-induced cellular senescence.
Abstract
Cellular senescence can be broadly categorized into replicative senescence and stress-induced premature senescence. Replicative senescence mainly results from the progressive shortening of telomeres during successive cell divisions, eventually leading to the arrest of cell division and the onset of senescence. In contrast, stress-induced premature senescence is typically triggered by environmental factors, such as ionizing radiation (IR). While the DNA damage induced by IR has been extensively studied, the specific mechanisms by which IR induces cellular senescence
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Research summary
The paper investigates the mechanisms by which ionizing radiation induces cellular senescence. This research is relevant as it explores a stress-induced form of senescence, which is a significant aspect of aging and could provide insights into the underlying processes that contribute to age-related decline.
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