Abstract
Ataxia telangiectasia (AT) is a rare neurocutaneous syndrome that results from biallelic pathogenic variants in the ataxia telangiectasia mutated (ATM) gene, named for its characteristic cerebellar ataxia in the early toddler years and variable oculocutaneous telangiectasias in the school age years. While its name only hints at neurologic and cutaneous manifestations, this multisystemic disorder also has important immunologic, oncologic, respiratory, and endocrinologic implications. This article will review the function of the ATM gene, the neurologic manifestations of AT, non-neurologic complications, mimickers of AT (including other disorders of defective DNA repair), and the realm of therapeutic research for AT.
Published Version
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