Spastic Paraplegia 50

**Semantic type:** Disease or Syndrome

**Definition:** An autosomal recessive subtype of hereditary spastic paraplegia caused by mutation(s) in the AP4M1 gene, encoding AP-4 complex subunit mu-1.

**Synonyms:** - CPSQ3, Formerly - Cerebral Palsy, Spastic Quadriplegic 3, Formerly - SPG50