Table 1.
Cross-immunoreactivity of monoclonal anti-marinobufagenin antibodiesy
| mAbs cross-immunoreactivity (%) |
||
|---|---|---|
| Cross-reactants | 3E9 | 4G4 |
| Marinobufagenin | 100 | 100 |
| Marinobufotoxin | 4 | 43 |
| Telocinobufagin | 7 | 14 |
| Cinobufotalin | 44 | 40 |
| Cinobufagin | 1.4 | 0.07 |
| Resibufagenin | 0.45 | 0.5 |
| Bufalin | 0.25 | 0.08 |
| Proscillaridin A | 3 | <0.001 |
| Ouabain | 0.02 | 0.005 |
| Ouabagenin | <0.01 | <0.001 |
| Digoxin | 1.8 | 0.03 |
| Digoxigenin | 1 | 0.004 |
| Digitoxin | 0.7 | <0.001 |
| Aldosterone | <0.001 | <0.001 |
| Progesterone | <0.01 | <0.001 |
| Prednisone | <0.01 | <0.001 |
| Corticosterone | <0.01 | <0.001 |
| BSA | <0.001 | <0.001 |
| Thyroglobulin | <0.001 | <0.001 |
BSA, bovine serum albumin; mAb, monoclonal anti-marinobufagenin antibody; MBG, marinobufagenin.