Neuronal accumulation of α- and β-synucleins in the brain of a GM2 gangliosidosis mouse model
Copyright policy )Neuronal accumulation of α- and β-synucleins in the brain of a GM2 gangliosidosis mouse model
Sandhoff disease (SD) is a heritable lysosomal storage disease resulting from impaired degradation of GM2 ganglioside. The hallmark pathology of the SD model mouse brain is GM2 ganglioside accumulation in neurons. In the present study, we immunohistochemically investigated the neuronal pathology in SD mouse brains, and demonstrated neuronal accumulation of alpha- and beta-synucleins in addition to GM2 ganglioside. Synuclein-positive neurons were extensively observed throughout SD mouse brains, although the distribution of beta-synuclein was less extensive than that of alpha-synuclein. Synuclein-positive neurons were negative to ubiquitin and PHF-tau. These findings suggest that neuronal synucleins may accumulate secondarily to GM2 ganglioside in SD mouse brains, and that neuronal accumulation of synucleins may be more critical than that of GM2 ganglioside for SD mice.
- Yokohama City University Japan
Mice, Knockout, Neurons, Synucleins, Brain, Mice, Inbred Strains, Nerve Tissue Proteins, Sandhoff Disease, Immunohistochemistry, Disease Models, Animal, Mice, beta-Synuclein, Gangliosidoses, GM2, alpha-Synuclein, Animals
Mice, Knockout, Neurons, Synucleins, Brain, Mice, Inbred Strains, Nerve Tissue Proteins, Sandhoff Disease, Immunohistochemistry, Disease Models, Animal, Mice, beta-Synuclein, Gangliosidoses, GM2, alpha-Synuclein, Animals
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