| Namespace | disease_ontology | Obsolete | false |
| description | An adult onset demyelinating leukodystrophy characterized by autonomic abnormalities, pyramidal and cerebellar dysfunction, and symmetric demyelination of the CNS, presenting in the fourth or fifth decade of life, and that has_material_basis_in a heterozygous tandem genomic duplication on chromosome 5q23 that results in an extra copy of the lamin B1 gene (LMNB1), but also alters regulatory sequences that affect expression of other genes. |