Table 2.

Cross-immunoreactivity of anti-MBG and anti-ouabain antibodies

Cross-reactants	Cross-immunoreactivity of antibodies (%)
		Anti-MBG 4G4 mAb	Anti-MBG 3E9 mAb	Digibind	Anti-ouabain serum S	Anti-ouabain serum M
Marinobufagenin	100	100	0.2	7	0.05
Marinobufotoxin	43	4	0.5	1.6	0.06
Telocinobufagin	14	7	0.9	2	0.02
Cinobufotalin	40	44	4.3	0.3	0.02
Cinobufagin	0.07	1.4	0.02	0.5	0.02
Resibufagenin	0.5	0.5	0.8	7	0.15
Bufalin	0.08	0.3	2.7	6	0.1
Proscillaridin A	<0.001	3	1.3	0.2	0.03
Ouabain	0.005	0.02	0.4	100	100
Ouabagenin	<0.001	<0.001	0.1	25	52
Digoxin	0.03	1.8	100	0.1	1.5
Digitoxin	<0.01	0.7	1.2	1.5	0.47
Aldosterone	<0.01	<0.01	<0.01	0.01	0.04
Progesterone	<0.01	<0.01	<0.01	0.08	0.002
Prednisone	<0.001	<0.001	<0.01	0.07	0.001