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In vitro neutralization of prions with PrP(Sc)-specific antibodies. | LitMetric

AI Article Synopsis

Article Abstract

Prion diseases reflect the misfolding of a self-protein (PrP(C)) into an infectious, pathological isomer (PrP(Sc)). By targeting epitopes uniquely exposed by misfolding, our group developed PrP(Sc)-specific vaccines to 3 disease specific epitopes (DSEs). Here, antibodies induced by individual DSE vaccines are evaluated for their capacity to neutralize prions in vitro. For both purified antibodies and immunoreactive sera, the PrP(Sc)-specific antibodies were equally effective in neutralizing prions. Further, there was no significant increase in neutralizing activity when multiple DSEs were targeted within an assay. At a low antibody concentration, the PrP(Sc)-specific antibodies matched the neutralization achieved by an antibody that may act via both PrP(C) and PrP(Sc). At higher doses, however, this pan-specific antibody was more effective, potentially due to a combined deactivation of PrP(Sc) and depletion of PrP(C).

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4601508PMC
http://dx.doi.org/10.1080/19336896.2015.1071761DOI Listing

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