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Biochemical Basis of Sestrin Physiological Activities.

Ho, Allison; Cho, Chun-Seok; Namkoong, Sim; Cho, Uhn-Soo; Lee, Jun Hee.
Trends Biochem Sci; 41(7): 621-632, 2016 07.
Artigo em Inglês | MEDLINE | ID: mdl-27174209
Excessive accumulation of reactive oxygen species (ROS) and chronic activation of mechanistic target of rapamycin (mTOR) complex 1 (mTORC1) are well-characterized promoters of aging and age-associated degenerative pathologies. Sestrins, a family of highly conserved stress-inducible proteins, are important negative regulators of both ROS and mTORC1 signaling pathways; however, the mechanistic basis of how Sestrins suppress these pathways remains elusive. In the past couple of years, breakthrough discoveries about Sestrin signaling and its molecular nature have markedly increased our biochemical understanding of Sestrin function. These discoveries have also uncovered new potential therapeutic strategies that may eventually enable us to attenuate aging and age-associated diseases.
Selo DaSilva