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Hereditary neuropathy NOT PMP22 copy number

Gene: KCNA2

Amber List (moderate evidence)

KCNA2 (potassium voltage-gated channel subfamily A member 2)
EnsemblGeneIds (GRCh38): ENSG00000177301
EnsemblGeneIds (GRCh37): ENSG00000177301
OMIM: 176262, Gene2Phenotype
KCNA2 is in 11 panels

2 reviews

Louise Daugherty (Genomics England Curator)

I don't know

Gene rated Amber : From feedback from Genomics England Clinical team (Anna de Burca and Meriel McEntagart). Extension of panel scope - ataxia with neuropathy / Broader phenotype - epilepsy & ataxia, neuropathy only in one family - is neuropathy a consistent feature?
Created: 6 Dec 2019, 8:57 p.m. | Last Modified: 6 Dec 2019, 8:57 p.m.
Panel Version: 0.76
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, 8:56 p.m. | Last Modified: 6 Dec 2019, 8:56 p.m.
Panel Version: 0.76
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.

Alexander Rossor (UCL Institute of Neurology)

Green List (high evidence)

Mode of inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted

Phenotypes
Childhood onset spasticity, intellectual disability, ataxia, seizures, sensory and motor SNCV in one family

Publications

Details

Mode of Inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert Review Amber
  • London North GLH
  • NHS GMS
  • NHS GMS
  • London North GLH
Phenotypes
  • Epileptic encephalopathy, early infantile, 32, 616366
  • Childhood onset spasticity, intellectual disability, ataxia, seizures, sensory and motor SNCV in one family
OMIM
176262
Clinvar variants
Variants in KCNA2
Penetrance
None
Publications
Panels with this gene

History Filter Activity

6 Dec 2019, Gel status: 2

Entity classified by Genomics England curator

Louise Daugherty (Genomics England Curator)

Gene: kcna2 has been classified as Amber List (Moderate Evidence).

5 Dec 2019, Gel status: 1

Created, Added New Source, Set mode of inheritance, Set publications, Set Phenotypes

Ellen McDonagh (Genomics England Curator)

gene: KCNA2 was added gene: KCNA2 was added to Hereditary neuropathy NOT PMP22 copy number. Sources: NHS GMS,London North GLH Mode of inheritance for gene: KCNA2 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted Publications for gene: KCNA2 were set to 27543892 Phenotypes for gene: KCNA2 were set to Epileptic encephalopathy, early infantile, 32, 616366; Childhood onset spasticity, intellectual disability, ataxia, seizures, sensory and motor SNCV in one family