ataxia telangiectasia

initialism: AT
https://doi.org/10.1351/goldbook.12906
Disease characterized by staggering gait, multiple disorganized blood vessels, and an immunodeficiency, associated with a protein called ataxia telangiectasia-mutated (ATM), a protein kinase thought to be important in detection of double-stranded DNA breaks.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1128 [Terms] [Paper]