Summary
Antisera to four synthetic peptides containing the substitutions between mouse and hamster prion proteins (PrPs) were produced in rabbits. The synthetic peptides used represent two mouse (Mo-I: residues 100–115 and Mo-V: residues 199–208) and two hamster PrP subregion sequences (Ha-I: 101–116 and Ha-V: 200–209). All antisera reacted strongly with homologous peptides but either not at all or poorly with heterologous peptides in enzyme-linked immunosorbent assay (ELISA). Antisera to Mo-I and Mo-V recognized mouse PrPSc but not hamster PrPSc in western blot analysis (WB) and ELISA. Antisera to Ha-I contain antibodies specific to hamster PrPSc. The results indicate that these regions of PrPSc constitute species-specific epitopes. In contrast to these antisera, the antiserum to Ha-V recognized neither hamster nor mouse PrPSc. In this study, we identified mouse subregion-V as a species-specific epitope.
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Yokoyama, T., Itohara, S. & Yuasa, N. Detection of species specific epitopes of mouse and hamster prion proteins (PrPs) by anti-peptide antibodies. Archives of Virology 141, 763–769 (1996). https://doi.org/10.1007/BF01718334
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DOI: https://doi.org/10.1007/BF01718334