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Gerstmann-Sträussler-Scheinker syndrome (GSS) is a very rare, usually familial, fatal neurodegenerative disease that affects patients from 20 to 60 years in age. This extremely rare disease is classified as a transmissible spongiform encephalopathy (TSE).
It is one of the few diseases which are caused by prions; a class of pathogenic proteins highly resistant to proteases.
A change in codon 102 from proline to leucine has been found in the prion protein gene (PRNP) of most affected individuals. Therefore, it appears this genetic change is usually required for the development of the disease.
There is no cure or treatment for GSS and patients rarely survive longer than five years.
- Gerstmann-Sträussler-Scheinker syndrome, MedicineNet.com
- UK CJD Surveillance Unit Monitors UK GSS cases and gives a comprehensive list of relevant links.
- Collins et al (2001), Gerstmann-Sträussler-Scheinker syndrome,fatal familial insomnia, and kuru: a review of these less common human transmissible spongiform encephalopathies. Journal of Clinical Neuroscience 8 (5): 387-397
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