Journal
ANTIOXIDANTS & REDOX SIGNALING
Volume 34, Issue 4, Pages 324-334Publisher
MARY ANN LIEBERT, INC
DOI: 10.1089/ars.2020.8043
Keywords
senescence; metabolism; DNA damage; aging
Funding
- Israel Science Foundation [634-15]
- Sagol Institute for Longevity Research
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Senescence is a crucial biological process that can block tumorigenesis and limit tissue damage, but accumulation of senescent cells can promote age-related diseases. Recent advances have shown the significant role of cellular metabolism in regulating cell senescence, and future research should focus on elucidating metabolic mechanisms to develop new therapeutic strategies.
Significance: Senescence is an essential biological process that blocks tumorigenesis, limits tissue damage, and aids embryonic development. However, once senescent cells accumulate in tissues during aging, they promote the development of age-related diseases and limit health span. Thus, it is essential to expand the boundaries of our knowledge about the mechanisms responsible for controlling cellular senescence. Recent Advances: Cellular metabolism plays a significant role in the regulation of various signaling processes involved in cell senescence. In the past decade, our knowledge about the interplay between cell signaling, cell metabolism, and cellular senescence has significantly expanded. Critical Issues: In this study, we review metabolic pathways in senescent cells and the impact of these pathways on the response to DNA damage and the senescence-associated secretory phenotype. Future Directions: Future research should elucidate metabolic mechanisms that promote specific alterations in senescent cell phenotype, with a final goal of developing a new therapeutic strategy.
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