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Disease Ontology Browser
congenital hypomyelinating neuropathy 3 (DOID:0070680)
Alliance: disease page
Synonyms: CHN3
Alt IDs: OMIM:618186, UMLS_CUI:C4748608
Definition: A congenital hypomyelinating neuropathy characterized by polyhydramnios, severe hypotonia, profoundly impaired psychomotor development, severely decreased nerve conduction properties, hypomyelination, and cerebral and cerebellar atrophy that has_material_basis_in homozygous or compound heterozygous mutation in the CNTNAP1 gene on chromosome 17q21. Contractures may also manifest.

Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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Send questions and comments to User Support. 		last database update
03/31/2026
MGI 6.24 		The Jackson Laboratory