Hereditary neuropathy or pain disorder
Gene: GJC2
Gene rated Amber : From feedback from Genomics England Clinical team (Anna de Burca and Meriel McEntagart). Extension of panel scope - HSP with neuropathy / Broader phenotype - HSP/hypomyelinating leucodystrophy with neuropathyCreated: 6 Dec 2019, 8:34 p.m. | Last Modified: 6 Dec 2019, 8:34 p.m.
Panel Version: 0.70
Comment on list classification: This gene has changed ratings because the panel for R78 was going to be a broad panel (to include conditions where neuropathy is part of a more complex phenotype or where there is overlap with another neurological presentation eg. HSP) but subsequently during the follow up call on 21st June with the Test Group it was agreed that it was more clinically relevant for R78 to be restricted to genes that are associated with isolated neuropathy, which this panel represents. For genes that represent the broader phenotype see https://panelapp.genomicsengland.co.uk/panels/85/.Created: 6 Dec 2019, 8:33 p.m. | Last Modified: 6 Dec 2019, 8:33 p.m.
Panel Version: 0.70
Review and rating uploaded from file (Curation_Template_GMS_Neuro_AR_20190521.xlsx) submitted by Alex Rossor (UCL Institute of Neurology) on behalf of London North GLH for GMS Neurology specialist test group.Created: 11 Jun 2019, 1:40 p.m.
neuropathy in 2 out of 10Created: 6 Jun 2019, 10:52 a.m.
Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal
Phenotypes
Infantile-onset Pelizaeus-Merzbacher disease-like phenotype slowly evolving into a form of complicated hereditary spastic paraplegia with mental retardation, dysarthria, optic atrophy andperipheral neuropathyin adulthood. Leukodystrophy
Gene: gjc2 has been classified as Amber List (Moderate Evidence).
gene: GJC2 was added gene: GJC2 was added to Hereditary neuropathy NOT PMP22 copy number. Sources: NHS GMS,London North GLH Mode of inheritance for gene: GJC2 was set to BIALLELIC, autosomal or pseudoautosomal Phenotypes for gene: GJC2 were set to Leukodystrophy, hypomyelinating, 2, 608804; Infantile-onset Pelizaeus-Merzbacher disease-like phenotype slowly evolving into a form of complicated hereditary spastic paraplegia with mental retardation, dysarthria, optic atrophy andperipheral neuropathyin adulthood. Leukodystrophy; Spastic paraplegia 44, autosomal recessive, 613206