Congenital spongiform leukodystrophy in 2 female littermate German shepherd puppies.
ASPA gene
Canavan disease
aspartoacylase
myelin
Journal
Journal of veterinary internal medicine
ISSN: 1939-1676
Titre abrégé: J Vet Intern Med
Pays: United States
ID NLM: 8708660
Informations de publication
Date de publication:
27 Mar 2024
27 Mar 2024
Historique:
received:
09
10
2023
accepted:
12
03
2024
medline:
28
3
2024
pubmed:
28
3
2024
entrez:
28
3
2024
Statut:
aheadofprint
Résumé
Two 9-week-old female littermate German Shepherd puppies showed severe high-frequency low-amplitude trembling that worsened with movement. The white matter (WM) of the central nervous system (CNS) showed bilateral diffuse severe spongiosis in the cerebellum, brainstem, spinal cord, and the neuropil of the oculomotor and red nuclei. The cortical corona radiata was less severely affected. Rare necrotic or apoptotic glia-like cells also were identified in the WM. Luxol fast blue staining disclosed severe diffuse myelin loss in the entire CNS; peripheral nerves were spared. Glial fibrillary acidic protein immunohistochemistry showed diffuse astrogliosis and astrocytosis in the WM. Genetic analyses of the littermates excluded the aspartoacylase (ASPA) gene as a candidate for this condition in dogs. In conclusion, this description of a rare congenital spongiform leukodystrophy in the German Shepherd breed, closely resembling to Canavan disease in humans, is likely caused by a genetic alteration unrelated to the ASPA gene.
Types de publication
Case Reports
Langues
eng
Sous-ensembles de citation
IM
Informations de copyright
© 2024 The Authors. Journal of Veterinary Internal Medicine published by Wiley Periodicals LLC on behalf of American College of Veterinary Internal Medicine.
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