Hereditary Spastic Paraplegia 23, also known as spastic paraplegia 23, is related to hereditary spastic paraplegia and spastic paraplegia 23, autosomal recessive. An important gene associated with Hereditary Spastic Paraplegia 23 is DSTYK (Dual Serine/Threonine And Tyrosine Protein Kinase). Related phenotypes are hyperreflexia and intellectual disability, mild