Peer-reviewed veterinary case report
GM1 gangliosidosis, type 2: ocular clinicopathologic correlation.
- Journal:
- Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie
- Year:
- 1984
- Authors:
- Cairns, L J et al.
Plain-English summary
This study looked at a young animal with GM1 gangliosidosis, a genetic condition that affects how certain fats are processed in the body. The most notable finding was significant damage to the layers of nerve cells in the retina, which is the part of the eye that helps with vision. This level of damage was more severe than what has been seen in other similar cases. Researchers found certain abnormal structures in the nerve cells that suggest the disease process might be similar across different species. Overall, while there's still a lot to understand about this condition, the similarities between humans and animals with GM1 gangliosidosis give hope for future research.
Abstract
The clinical and pathological manifestations of a case of juvenile GM1 gangliosidosis are presented and the pathological findings compared with those previously reported for GM1 gangliosidosis in man and in animal models. The most striking finding in the present case was the marked degeneration of the retinal ganglion cell and nerve fiber layers. Although such extensive ganglion cell loss was not observed in any of the other cases reviewed, the presence of multimembranous inclusion bodies in retinal ganglion cells strongly suggests that the pathological process was similar in all cases. Much remains to be learned about the function of gangliosides in the healthy retina and about the pathophysiological consequences of deranged ganglioside metabolism. The many parallels, including those observed in pathological studies, between the human and animal forms of GM1 gangliosidosis allow an optimistic appraisal of the value of further research using the animal models.
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/6440832/