Prion Diagnosis: Application of Real-Time Quaking-Induced Conversion
Table 1
Assays to measure PrP aggregation and seeding activity of PrP.
Substrate
Denaturant
Detergent
Product
Detection method
Real-time detection
ASA/PAFA
Recombinant PrP (α-PrP)
Guanidine-HCl
No
Aggregates, amyloid
ThT fluorescence
Yes
PMCA
PrP from cells or tissues
No
Triton X-100
PrP
WB for PK-resistant PrP
No
RT-QuIC
Recombinant PrP (α-PrP)
No
SDS
Aggregates, amyloid
ThT fluorescence
Yes
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.