| Date | Panel | Item | Activity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Hereditary Neuropathy_CMT - isolated v0.72 | VWA1 | Alison Yeung Marked gene: VWA1 as ready | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Hereditary Neuropathy_CMT - isolated v0.72 | VWA1 | Alison Yeung Gene: vwa1 has been classified as Green List (High Evidence). | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Hereditary Neuropathy_CMT - isolated v0.72 | VWA1 | Alison Yeung Classified gene: VWA1 as Green List (high evidence) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Hereditary Neuropathy_CMT - isolated v0.72 | VWA1 | Alison Yeung Gene: vwa1 has been classified as Green List (High Evidence). | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Hereditary Neuropathy_CMT - isolated v0.71 | VWA1 |
Melanie Marty gene: VWA1 was added gene: VWA1 was added to Hereditary Neuropathy_CMT - isolated. Sources: Literature Mode of inheritance for gene: VWA1 was set to BIALLELIC, autosomal or pseudoautosomal Publications for gene: VWA1 were set to 33459760; 33693694; 33559681 Phenotypes for gene: VWA1 were set to Hereditary motor neuropathy Added comment: Six different truncating variants identified in 15 affected individuals from six families (biallelic inheritance). Disease manifested in childhood or adulthood with proximal and distal muscle weakness predominantly of the lower limbs. Myopathological and neurophysiological findings were indicative of combined neurogenic and myopathic pathology. Early childhood foot deformity was frequent, but no sensory signs were observed. An additional 17 individuals from 15 families with hereditary motor neuropathy were identified. A 10-bp repeat expansion at the end of exon 1 was observed in 14 families and was homozygous in 10 of them. This mutation, c.62_71dup [p.Gly25Argfs*74], leads to a frameshift that results in a reduction in VWA1 transcript levels via nonsense-mediated decay. Sources: Literature |
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