Mapping Retinal Atrophy in Finnish Lapphunds
Author Information
Author(s): Aguirre-Hernández Jesús, Wickström Kaisa, Sargan David R
Primary Institution: Centre for Veterinary Science, University of Cambridge
Hypothesis
The study aims to identify the genetic locus associated with progressive retinal atrophy in Finnish lapphunds.
Conclusion
The progressive retinal atrophy locus in Finnish lapphunds has been mapped to the GALK1 locus on chromosome 9, suggesting a genetic basis for the disease.
Supporting Evidence
- DNA from 12 affected Finnish lapphunds was pooled for analysis.
- Three microsatellite markers showed a shift towards homozygosity in affected dogs.
- Individual genotyping confirmed the association between the GALK1 marker and the disease locus.
Takeaway
Researchers found a specific gene linked to a type of eye disease in Finnish lapphund dogs, which could help prevent the disease in the future.
Methodology
DNA pooling and individual genotyping were used to map the disease locus in affected Finnish lapphunds.
Potential Biases
There is a risk of including individuals in the control group who may develop the disease later.
Limitations
The study's sample size was small, and the prevalence of the disease in the breed is unknown.
Participant Demographics
The study involved 12 affected Finnish lapphunds and 12 first-degree relatives as controls.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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