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- Title
Evaluation of canine heat shock transcription factor 4 ( HSF4) as a candidate gene for primary cataracts in the Dachshund and the Entlebucher Mountain dog.
- Authors
Müller, Christina; Wöhlke, Anne; Distl, Ottmar
- Abstract
Objective Testing of the cataract-causing insertion/deletion mutation in the canine HSF4 gene for its linkage and association with primary cataracts (CAT) in Dachshunds and Entlebucher Mountain dogs. Materials Exon 9 with flanking intronic regions of the canine HSF4 gene was sequenced in 24 Dachshunds and 20 Entlebucher Mountain dogs. The HSF4 cDNA sequence of lens tissue was analyzed in a CAT-unaffected mixed-breed dog and in three CAT-affected dogs of different breeds, including a Wire-haired Dachshund, a Dachshund-mix and a German Shepherd dog. Results In all dogs investigated here, the previously reported CAT-causing mutation did not exist. We found a single nucleotide polymorphism (SNP) in intron 9, which was neither associated nor linked with the CAT phenotype in the two dog breeds. Conclusion The CAT phenotype in the two dog breeds investigated here was not caused by the same mutation found to be associated with early-onset CAT in the Staffordshire Bull Terrier and Boston Terrier. The intronic SNP may be useful to test HSF4 for linkage with CAT in further dog breeds.
- Subjects
CATARACT diagnosis; CATARACT; LABORATORY dogs; DACHSHUNDS; GERMAN shepherd dog; STAFFORDSHIRE bull terrier; BOSTON terrier; DOG breeds; GENETIC mutation; PHENOTYPES; HIGHER education; PATIENTS
- Publication
Veterinary Ophthalmology, 2008, Vol 11, Issue 1, p34
- ISSN
1463-5216
- Publication type
Article
- DOI
10.1111/j.1463-5224.2007.00598.x