Journal
DNA REPAIR
Volume 39, Issue -, Pages 1-20Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.dnarep.2015.12.009
Keywords
DNA damage; ATM activation; Oxidative stress; Metabolic syndrome; Neurodegenration
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Funding
- Defence Research and Development Organization (DRDO) [INM-311-1-5, TD-15/INM-313]
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ATM, mutation of which causes Ataxia telangiectasia, has emerged as a cardinal multifunctional protein kinase during past two decades as evidenced by various studies from around the globe. Further to its well established and predominant role in DNA damage response, ATM has also been understood to help in maintaining overall functional integrity of cells; since its mutation, inactivation or deficiency results in a variety of pathological manifestations besides DNA damage. These include oxidative stress, metabolic syndrome, mitochondrial dysfunction as well as neurodegeneration. Recently, high throughput screening using proteomics, metabolomics and transcriptomic studies revealed several proteins which might be acting as substrates of ATM. Studies that can help in identifying effective regulatory controls within the ATM-mediated pathways/mechanisms can help in developing better therapeutics. In fact, more in-depth understanding of ATM-dependent cellular signals could also help in the treatment of variety of other disease conditions since these pathways seem to control many critical cellular functions. In this review, we have attempted to put together a detailed yet lucid picture of the present-day understanding of ATM's role in various pathophysiological conditions involving DNA damage and beyond. (C) 2015 Elsevier B.V. All rights reserved.
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