Spastic Paraplegia 52, Autosomal Recessive, also known as spg52, is related to spastic paraparesis and paraplegia, and has symptoms including muscle spasticity An important gene associated with Spastic Paraplegia 52, Autosomal Recessive is AP4S1 (Adaptor Related Protein Complex 4 Subunit Sigma 1). Affiliated tissues include brain, and related phenotypes are focal-onset seizure and febrile seizure (within the age range of 3 months to 6 years)