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EMBO Rep. 2004 Aug;5(8):772-6.

ATM and ataxia telangiectasia.

Author information

  • Department of Genetics and Tumor Cell Biology, St Jude Children's Research Hospital, 332 N.Lauderdale, Memphis, Tennessee 38105, USA. peter.mckinnon@stjude.org

Abstract

Ataxia telangiectasia (AT) has long intrigued the biomedical research community owing to the spectrum of defects that are characteristic of the disease, including neurodegeneration, immune dysfunction, radiosensitivity and cancer predisposition. Following the identification of mutations in ATM (ataxia telangiectasia, mutated) as the underlying cause of the disease, biochemical analysis of this protein kinase has shown that it is a crucial nexus for the cellular response to DNA double-stranded breaks. Many ATM kinase substrates are important players in the cellular responses that prevent cancer. Accordingly, AT is a disease that results from defects in the response to specific types of DNA damage. Thus, although it is a rare neurodegenerative disease, understanding the biology of AT will lead to a greater understanding of the fundamental processes that underpin cancer and neurodegeneration.

PMID:
15289825
[PubMed - indexed for MEDLINE]
PMCID:
PMC1299121
Free PMC Article

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