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Equine neuronal ceroid lipofuscinosis.
A Url1, B Bauder, J Thalhammer
1Institute of Pathology and Forensic Veterinary Medicine, University of Veterinary Medicine, Veterinärplatz 1, 1210 Vienna, Austria. Angelika.Url@vu-wien.ac.at
Acta Neuropathologica
|May 18, 2001
Summary
This study reports the first equine case of neuronal ceroid lipofuscinosis (NCL), a fatal inherited neurodegenerative disease. Affected horses exhibited neurological decline and lysosomal storage, confirming NCL in horses.
Area of Science:
- Veterinary Neurology
- Lysosomal Storage Diseases
- Equine Pathology
Background:
- Neuronal ceroid lipofuscinosis (NCL) is a fatal inherited neurodegenerative disorder affecting humans and some animal species.
- NCL has not been previously documented in equines.
Purpose of the Study:
- To report the first occurrence and detailed characterization of NCL in horses.
- To investigate the pathological and ultrastructural features of NCL in equine patients.
Main Methods:
- Clinical and necropsy examinations of affected horses.
- Histopathological analysis of brain, spinal cord, and retina.
- Immunohistochemistry using antiserum against mitochondrial ATP synthase subunit c.
- Electron microscopy of affected tissues and cells.
Main Results:
- Three horses presented with developmental retardation, neurological deficits, and visual impairment.
- Histopathology revealed autofluorescent material in neurons and glial cells throughout the central and peripheral nervous systems.
- Immunohistochemistry confirmed the presence of NCL-associated material.
- Electron microscopy showed characteristic lysosomal inclusions, including fingerprint profiles and rectilinear structures.
Conclusions:
- This study confirms the first documented case of neuronal ceroid lipofuscinosis in horses.
- The findings establish NCL as a lysosomal storage disease affecting equines, with distinct pathological features.
- Further research into equine NCL is warranted to understand its genetic basis and prevalence.