期刊
TRENDS IN BIOCHEMICAL SCIENCES
卷 37, 期 1, 页码 15-22出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tibs.2011.10.002
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资金
- Howard Hughes Medical Institute Funding Source: Medline
- NCI NIH HHS [R01 CA132813-04, R01 CA132813] Funding Source: Medline
The ataxia-telangiectasia mutated (ATM) protein kinase is best known for its role in the DNA damage response, but recent findings suggest that it also functions as a redox sensor that controls the levels of reactive oxygen species in human cells. Here, we review evidence supporting the conclusion that ATM can be directly activated by oxidation, as well as various observations from ATM-deficient patients and mouse models that point to the importance of ATM in oxidative stress responses. We also discuss the roles of this kinase in regulating mitochondrial function and metabolic control through its action on tumor suppressor p53, AMP-activated protein kinase (AMPK), mammalian target of rapamycin (mTOR) and hypoxia-inducible factor 1 (HIP1), and how the regulation of these enzymes may be affected in ATM-deficient patients and in cancer cells.
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