Development of an Immunoassay for the Detection of Amyloid Beta 1-42 and Its Application in Urine Samples

Table 2

Cross-reactivity of synthesized peptides and two beta amyloid proteins.

Sample	Sequence	(ng/ml)	% cross-reaction
Aβ1-42	DAEFRHDSGYEVHHQKLVFFAEDVGSNKGAIIGLMVGGVVIA	103.20	100.00
Aβ1-8	DAEFRHDS	148.80	69.40
Aβ1-40	DAEFRHDSGYEVHHQKLVFFAEDVGSNKGAIIGLMVGGVV	187.70	55.00
Aβ7-15	DSGYEVHHQ	>4000	-
Aβ14-21	HQKLVFFA	>4000	-
Aβ20-27	FAEDVGSN	>4000	-
Aβ26-33	SNKGAIIG	>4000	-
Aβ32-39	IGLMVGGV	>4000	-
Aβ35-42	MVGGVVIA	>4000	-
Aβ36-43	VGGVVIAT	>4000	-