alexa Cross-linking cellular prion protein triggers neuronal apoptosis in vivo.
General Science

General Science

Journal of Bioterrorism & Biodefense

Author(s): Solforosi L, Criado JR, McGavern DB, Wirz S, SnchezAlavez M,

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Abstract Neuronal death is a prominent, but poorly understood, pathological hallmark of prion disease. Notably, in the absence of the cellular prion protein (PrPC), the disease-associated isoform, PrPSc, appears not to be intrinsically neurotoxic, suggesting that PrPC itself may participate directly in the prion neurodegenerative cascade. Here, cross-linking PrPC in vivo with specific monoclonal antibodies was found to trigger rapid and extensive apoptosis in hippocampal and cerebellar neurons. These findings suggest that PrPC functions in the control of neuronal survival and provides a model to explore whether cross-linking of PrPC by oligomeric PrPSc can promote neuronal loss during prion infection. This article was published in Science and referenced in Journal of Bioterrorism & Biodefense

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