Hereditary neuropathy
Gene: MMACHCEnsemblGeneIds (GRCh38): ENSG00000132763
EnsemblGeneIds (GRCh37): ENSG00000132763
OMIM: 609831, Gene2Phenotype
MMACHC is in 18 panels
2 reviews
Louise Daugherty (Genomics England Curator)
The Neurology Specialist Test Group agreed that this gene was recommended for the WGS panel based on a broader phenotype view to include conditions where neuropathy is part of a more complex phenotype or where there is overlap with another neurological presentation eg. HSP. This panel includes conditions where neuropathy is part of a more complex phenotype or where there is overlap with another neurological presentation. This panel as going to be used for R78, 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 and as a result a new panel was created https://panelapp.genomicsengland.co.uk/panels/846/ for this purpose.Created: 7 Dec 2019, 6:08 p.m. | Last Modified: 7 Dec 2019, 6:08 p.m.
Panel Version: 1.352
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)
Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal
Phenotypes
Onset infancy to adulthood; thrombotic thrombocytopenia with encephalopathy, myelopathy, renal and pulmonary complications (can be life threatening), retinitis pigmentosa, axonal motor neuropathy. Treated with high dose vitamin B12.
Publications
Details
- Mode of Inheritance
- BIALLELIC, autosomal or pseudoautosomal
- Sources
-
- Expert Review Green
- NHS GMS
- London North GLH
- Phenotypes
-
- Methylmalonic aciduria and homocystinuria, cblC type, 277400
- Onset infancy to adulthood
- thrombotic thrombocytopenia with encephalopathy, myelopathy, renal and pulmonary complications (can be life threatening), retinitis pigmentosa, axonal motor neuropathy. Treated with high dose vitamin B12
- OMIM
- 609831
- Clinvar variants
- Variants in MMACHC
- Penetrance
- None
- Publications
- Panels with this gene
-
- Hereditary neuropathy
- Retinal disorders
- DDG2P
- Hyperammonaemia
- Adult onset neurodegenerative disorder
- Likely inborn error of metabolism
- Hereditary ataxia with onset in adulthood
- Hydrocephalus
- Ataxia and cerebellar anomalies - narrow panel
- Atypical haemolytic uraemic syndrome
- Paediatric or syndromic cardiomyopathy
- Hereditary ataxia
- Early onset or syndromic epilepsy
- Fetal anomalies
- Hereditary neuropathy or pain disorder
- Undiagnosed metabolic disorders
- Intellectual disability
- Childhood onset dystonia, chorea or related movement disorder
History Filter Activity
Added New Source, Status Update
Louise Daugherty (Genomics England Curator)Source Expert Review Green was added to MMACHC. Rating Changed from Red List (low evidence) to Green List (high evidence)
Set Phenotypes
Louise Daugherty (Genomics England Curator)Phenotypes for gene: MMACHC were changed from to Methylmalonic aciduria and homocystinuria, cblC type, 277400; Onset infancy to adulthood; thrombotic thrombocytopenia with encephalopathy, myelopathy, renal and pulmonary complications (can be life threatening), retinitis pigmentosa, axonal motor neuropathy. Treated with high dose vitamin B12
Set publications
Louise Daugherty (Genomics England Curator)Publications for gene: MMACHC were set to
Set mode of inheritance
Louise Daugherty (Genomics England Curator)Mode of inheritance for gene: MMACHC was changed from to BIALLELIC, autosomal or pseudoautosomal
Added New Source
Louise Daugherty (Genomics England Curator)Source NHS GMS was added to MMACHC.
Created, Added New Source, Set mode of inheritance
Louise Daugherty (Genomics England Curator)gene: MMACHC was added gene: MMACHC was added to Hereditary neuropathy. Sources: London North GLH Mode of inheritance for gene: MMACHC was set to