Review Article

Prion Diagnosis: Application of Real-Time Quaking-Induced Conversion

Table 1

Assays to measure PrP aggregation and seeding activity of PrP.

SubstrateDenaturantDetergentProductDetection methodReal-time detection

ASA/PAFARecombinant PrP (α-PrP)Guanidine-HClNoAggregates, amyloidThT fluorescenceYes
PMCAPrP from cells or tissuesNoTriton X-100PrPWB for PK-resistant PrPNo
RT-QuICRecombinant PrP (α-PrP)NoSDSAggregates, amyloidThT fluorescenceYes

α-PrP prepared from recombinant PrP with a high α-helical content. SDS: sodium dodecyl sulfate; WB: western blotting; PK: proteinase K; ThT: thioflavin T.