alexa Initiation and synergistic fibrillization of tau and alpha-synuclein.
Neurology

Neurology

Journal of Alzheimers Disease & Parkinsonism

Author(s): Giasson BI, Forman MS, Higuchi M, Golbe LI, Graves C, Giasson BI, Forman MS, Higuchi M, Golbe LI, Graves CL,

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Abstract Alpha-synuclein (alpha-syn) and tau polymerize into amyloid fibrils and form intraneuronal filamentous inclusions characteristic of neurodegenerative diseases. We demonstrate that alpha-syn induces fibrillization of tau and that coincubation of tau and alpha-syn synergistically promotes fibrillization of both proteins. The in vivo relevance of these findings is grounded in the co-occurrence of alpha-syn and tau filamentous amyloid inclusions in humans, in single transgenic mice that express A53T human alpha-syn in neurons, and in oligodendrocytes of bigenic mice that express wild-type human alpha-syn plus P301L mutant tau. This suggests that interactions between alpha-syn and tau can promote their fibrillization and drive the formation of pathological inclusions in human neurodegenerative diseases. This article was published in Science and referenced in Journal of Alzheimers Disease & Parkinsonism

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