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Ceroid-lipofuscinosis in border collie dogs
1Department of Veterinary Anatomy, University of Sydney, N.S.W., Australia.
Acta Neuropathologica
|January 1, 1988
Summary
Five Border Collie dogs developed a progressive neurological disease, ceroid-lipofuscinosis, characterized by dementia and sensory deficits. This canine model highlights shared genetic factors and cellular pathology relevant to human neurodegenerative diseases.
Area of Science:
- Veterinary Neurology
- Canine Genetics
- Cellular Pathology
Background:
- Ceroid-lipofuscinosis (CL) is a group of inherited metabolic disorders.
- Neurological and visual impairments are characteristic clinical signs of CL.
- Understanding CL in canine models can offer insights into human lysosomal storage diseases.
Purpose of the Study:
- To characterize the clinical and pathological features of ceroid-lipofuscinosis in Border Collies.
- To investigate the potential for a shared ancestry contributing to the disease.
- To provide a comparative model for studying neurodegenerative processes.
Main Methods:
- Clinical observation of five affected Border Collies from 18-22 months of age.
- Light microscopy with Sudan black staining for lipid accumulation.
- Ultrastructural examination of affected tissues.
Main Results:
- Affected dogs exhibited progressive neurological decline, including behavioral changes, gait disturbances, and visual deficits.
- Microscopic examination revealed widespread accumulation of autofluorescent granular material in neurons and retinal cells.
- Ultrastructural analysis identified diverse inclusion bodies within affected cells.
Conclusions:
- Ceroid-lipofuscinosis in Border Collies presents as a severe, progressive neurological disorder.
- The findings suggest a potential genetic basis due to common ancestry among affected dogs.
- This canine model is valuable for studying the pathogenesis of ceroid-lipofuscinosis and related neurodegenerative conditions.