Absence of mutations in ATM, the gene responsible for ataxia telangiectasia in patients with cerebellar ataxia.

Abstract excerpt

Ataxia-telangiectasia (AT) is an autosomal recessive multisystem disorder presenting in childhood with progressive cerebellar ataxia, oculocutaneous telangiectasia, immune deficiency, radiosensitivity, and cancer predisposition. The gene for AT, designated ATM (AT, mutated) encodes a protein with a carboxy-terminal phosphoinositide-3 kinase domain which is involved in cell cycle checkpoints and other responses to...

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