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Involvement of Cellular Prion Protein in ?-Synuclein Transport in Neurons.


ABSTRACT: The cellular prion protein, encoded by the gene Prnp, has been reported to be a receptor of ?-amyloid. Their interaction is mandatory for neurotoxic effects of ?-amyloid oligomers. In this study, we aimed to explore whether the cellular prion protein participates in the spreading of ?-synuclein. Results demonstrate that Prnp expression is not mandatory for ?-synuclein spreading. However, although the pathological spreading of ?-synuclein can take place in the absence of Prnp, ?-synuclein expanded faster in PrPC-overexpressing mice. In addition, ?-synuclein binds strongly on PrPC-expressing cells, suggesting a role in modulating the effect of ?-synuclein fibrils.

SUBMITTER: Urrea L 

PROVIDER: S-EPMC5840251 | biostudies-literature | 2018 Mar

REPOSITORIES: biostudies-literature

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The cellular prion protein, encoded by the gene Prnp, has been reported to be a receptor of β-amyloid. Their interaction is mandatory for neurotoxic effects of β-amyloid oligomers. In this study, we aimed to explore whether the cellular prion protein participates in the spreading of α-synuclein. Results demonstrate that Prnp expression is not mandatory for α-synuclein spreading. However, although the pathological spreading of α-synuclein can take place in the absence of Prnp, α-synuclein expande  ...[more]

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