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  • Title: The role of ATM and ATR in DNA damage-induced cell cycle control.
    Author: Goodarzi AA, Block WD, Lees-Miller SP.
    Journal: Prog Cell Cycle Res; 2003; 5():393-411. PubMed ID: 14593734.
    Abstract:
    Ataxia-Telangiectasia mutated (ATM) and ATM- and Rad3-related (ATR) are members of the phosphatidyl inositol 3-kinase-like family of serine/threonine protein kinases (PIKKs), and play important roles in the cellular response to DNA damage. Activation of ATM by ionizing radiation results in the activation of signal transduction pathways that induce cell cycle arrest at G1/S, S and G2/M. ATR is required for cell cycle arrest in response to DNA-damaging agents such as ultraviolet radiation that cause bulky lesions. This review focuses on the role of ATM and ATR in various DNA damage response pathways, and discusses the potential for targeting these pathways for the development of novel therapeutics.
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