Distinct patterns of cerebral and spinal pathology along the spectrum of ATXN2-related disorders
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Background: The ATXN2 gene contains a polymorphic CAG-rich region encoding a polyglutamine tract in ataxin- 2. Normal alleles have fewer than 27 CAG repeats, 27-34 repeats pose a risk for ALS (ATXN2-ALS), and > 34 repeats cause s... ...