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Cellular senescence: all roads lead to mitochondria.
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- معلومة اضافية
- نبذة مختصرة :
Senescence is a multi‐functional cell fate, characterized by an irreversible cell‐cycle arrest and a pro‐inflammatory phenotype, commonly known as the senescence‐associated secretory phenotype (SASP). Emerging evidence indicates that accumulation of senescent cells in multiple tissues drives tissue dysfunction and several age‐related conditions. This has spurred the academic community and industry to identify new therapeutic interventions targeting this process. Mitochondrial dysfunction is an often‐unappreciated hallmark of cellular senescence which plays important roles not only in the senescence growth arrest but also in the development of the SASP and resistance to cell‐death. Here, we review the evidence that supports a role for mitochondria in the development of senescence and describe the underlying mechanisms. Finally, we propose that a detailed road map of mitochondrial biology in senescence will be crucial to guide the future development of senotherapies. [ABSTRACT FROM AUTHOR]
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