Abstract
Distal hereditary motor neuronopathy type VII (dHMN-VII) is an autosomal dominant disorder characterized by distal muscular atrophy and vocal cord paralysis. We performed a genomewide linkage search in a large Welsh pedigree with dHMN-VII and established linkage to chromosome 2q14. Analyses of a second family with dHMN-VII confirmed the location of the gene and provided evidence for a founder mutation segregating in both pedigrees. The maximum three-point LOD score in the combined pedigree was 7.49 at D2S274. Expansion of a polyalanine tract in Engrailed-1, a transcription factor strongly expressed in the spinal cord, was excluded as the cause of dHMN-VII.
Original language | English (US) |
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Pages (from-to) | 1270-1276 |
Number of pages | 7 |
Journal | American journal of human genetics |
Volume | 68 |
Issue number | 5 |
DOIs | |
State | Published - 2001 |
ASJC Scopus subject areas
- Genetics
- Genetics(clinical)