A syndrome that is characterized by ichthyosis, mental retardation, spastic paraparesis, macular dystrophy, and leukoencephalopathy, and has_material_basis_in autosomal recessive inheritance of homozygous or compound heterozygous mutation in the aldehyde dehydrogenase 3 family member A2 (ALDH3A2) gene, which encodes fatty aldehyde dehydrogenase, on chromosome 17p11.

Reference
DiseaseOntology: Sjogren-larsson syndrome