RGD uses the Human Disease Ontology (DO, https://disease-ontology.org/) for disease curation across species. RGD automatically downloads each new release of the ontology on a monthly basis. Some additional terms which are required for RGD's curation purposes but are not currently covered in the official version of DO have been added. As corresponding terms are added to DO, these custom terms are retired and the DO terms substituted in existing annotations and subsequently used for curation.
A hypomyelinating leukodystrophy characterized by infant or early childhood onset of delayed motor development and gait instability, followed by extrapyramidal movement disorders, progressive spastic tetraplegia, ataxia, hypomyelination, cerebellar atrophy, and atrophy or disappearance of the putamen that has_material_basis_in heterozygous mutation in the TUBB4A gene on chromosome 19p13. (DO)
Synonyms:
exact_synonym:
H-ABC; HABC; HLD6; Leukodystrophy, Hypomyelinating, With Atrophy Of The Basal Ganglia And Cerebellum; hypomyelination with atrophy of basal ganglia and cerebellum