Abstract:
:Using different prion strains, such as the variant Creutzfeldt-Jakob disease agent and the atypical bovine spongiform encephalopathy agents, and using transgenic mice expressing human or bovine prion protein, we assessed the reliability of protein misfolding cyclic amplification (PMCA) to model interspecies and genetic barriers to prion transmission. We compared our PMCA results with in vivo transmission data characterized by attack rates, i.e., the percentage of inoculated mice that developed the disease. Using 19 seed/substrate combinations, we observed that a significant PMCA amplification was only obtained when the mouse line used as substrate is susceptible to the corresponding strain. Our results suggest that PMCA provides a useful tool to study genetic barriers to transmission and to study the zoonotic potential of emerging prion strains.
journal_name
Virusesjournal_title
Virusesauthors
Levavasseur E,Privat N,Martin JC,Simoneau S,Baron T,Flan B,Torres JM,Haïk Sdoi
10.3390/v6103766subject
Has Abstractpub_date
2014-10-02 00:00:00pages
3766-77issue
10issn
1999-4915pii
v6103766journal_volume
6pub_type
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