| Title |
Dominant optic atrophy: exclusion and fine genetic mapping of the candidate gene, HRY
|
|---|---|
| Published in |
Mammalian Genome, October 1998
|
| DOI | 10.1007/s003359900867 |
| Pubmed ID | |
| Authors |
Marcela Votruba, Annette Payne, Anthony T. Moore, Shom S. Bhattacharya |
| Abstract |
Autosomal dominant optic atrophy (OPA1) maps to Chromosome (Chr) 3q28, and the disease interval has been refined to within 1.4 cM, flanked by the markers D3S3669 and D3S3562. HRY, the human homolog of the Drosophila segmentation gene, hairy, maps by in situ hybridization to the chromosomal region 3q28-q29. We screened for mutations in HRY in 36 patients from 18 pedigrees with dominant optic atrophy and a group of normal control individuals. Heteroduplex mutation analysis and direct sequencing of all four coding exons and one upstream putative untranslated exon were performed. No disease-associated sequence alterations were identified. A polymorphism in the untranslated region of exon 2 was found, with four alleles. PCR amplification of this part of exon 2 in four of the pedigrees affected by autosomal dominant optic atrophy mapping to chromosome 3q, followed by haplotype analysis, showed recombination between HRY and OPA1 in one pedigree. This allows us to genetically position HRY in relation to known microsatellite markers in the region, placing HRY telomeric to marker D3S3562 and centromeric to D3S1305. This is outside the published critical disease interval for dominant optic atrophy. We have, therefore, excluded HRY as the gene for dominant optic atrophy by sequence analysis, mapped it genetically, and identified a polymorphism in our population. |
Mendeley readers
The data shown below were compiled from readership statistics for 3 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 3 | 100% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Professor | 1 | 33% |
| Student > Ph. D. Student | 1 | 33% |
| Student > Doctoral Student | 1 | 33% |
| Readers by discipline | Count | As % |
|---|---|---|
| Neuroscience | 2 | 67% |
| Biochemistry, Genetics and Molecular Biology | 1 | 33% |
Attention Score in Context
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