Toxic tau aggregates determines type of dementia

The distinct structures of toxic protein aggregates that form in degenerating brains determine which type of dementia will occur, which regions of brain will be affected, and how quickly the disease will spread, according to a study from the Peter O’Donnell Jr. Brain Institute.

The research helps explain the diversity of dementias linked to tau protein aggregation, which destroys brain cells of patients with Alzheimer’s and other neurodegenerative syndromes. The study also has implications for earlier and more accurate diagnoses of various dementias through definition of the unique forms of tau associated with each.

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