TABLE 1.

RML and ME7 prion strains distinguished by CDI

Detector antibody	Presence of NaPTAa	Mean PrPSc concn (ng/ml) ± SD
		RML	ME7
245	−	12.4 ± 0.2	16.3 ± 0.2
	+	22.6 ± 4.9	24.5 ± 0.2
6H4	−	42.1 ± 0.6	84.6 ± 1.2
	+	110.3 ± 4.0	142.9 ± 6.4

^a−, no NaPTA added; +, NaPTA was added to the reaction mixture.