Alternative titles and symbols : CPSQ4; Cerebral palsy, spastic quadriplegic, 4;
Description : Spastic paraplegia-51 is an autosomal recessive neurodevelopmental disorder characterized
by neonatal hypotonia that progresses to hypertonia and spasticity and severe mental
retardation with poor or absent speech development (summary by Moreno-De-Luca et al.,
2011).;
Inheritance : Autosomal recessive;
Molecular basis : Caused by mutation in the adaptor-related protein complex 4, epsilon-1 subunit gene
(AP4E1, 607244.0001);