Spastic Paraplegia 28, Autosomal Recessive, also known as hereditary spastic paraplegia 28, is related to paraplegia and hereditary spastic paraplegia, and has symptoms including abnormal pyramidal signs An important gene associated with Spastic Paraplegia 28, Autosomal Recessive is DDHD1 (DDHD Domain Containing 1), and among its related pathways/superpathways are Metabolism and Glycerophospholipid biosynthesis. Affiliated tissues include eye and brain, and related phenotypes are hyperreflexia and babinski sign