Protein misfolding cyclic amplification (PMCA) is a technique able to detect minute amount of disease-related prion protein (PrPD), but limited results have been obtained with human prions with the exception of variant Creutzfeldt-Jakob disease (variant CJD). The study demonstrates that the use of substrates with deglycosylated PrP strongly increases PrPD amplification efficiency by PMCA for all tested CJD subtypes. The enhanced PMCA efficiency may allow for the developing of a sensitive, non-invasive, diagnostic tests for the different CJD subtypes based on body fluids or easily accessible peripheral tissues.
- Manuel V. Camacho
- Glenn Telling
- Silvio Notari
