Distinct amyloid-beta prion strains discovered in different variants of Alzheimer’s disease.
In a paper in the Proceedings of the National Academy of Sciences, a research team led by Carlo Condello presented their results from a study of the sliced brain fragments of deceased Alzheimer’s disease (AD) patients. It appears different amyloid-beta prions are uniquely associated with different AD variants [1].
A primer on Alzheimer’s disease
AD is a chronic neurodegenerative disease affecting about 5% of the population above 65 years of age—the time when the first symptoms usually manifest. It is estimated to be the cause of up to 70% of all cases of dementia, which according to WHO projections, by 2050 will be around 115 million.
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