Cutaneous Alpha-Synuclein Deposition Informs Autonomic Function in Individuals with Early-Stage Multiple System Atrophy
Purpose: Multiple system atrophy is a progressive neurodegenerative disorder characterized by autonomic failure, parkinsonism, and cerebellar ataxia. Phosphorylated alpha-synuclein in skin nerves has emerged as a promising biomarker, but longitudinal studies remain limited. This study evaluated changes in cutaneous alp...