G51D α‐synuclein mutation causes a novel Parkinsonian–pyramidal syndrome

Objective To date, 3 rare missense mutations in the SNCA (α‐synuclein) gene and the more frequent duplications or triplications of the wild‐type gene are known to cause a broad array of clinical and pathological symptoms in familial Parkinson disease (PD). Here, we describe a French family with a pa... View More