Table 2.
Binding of Different Receptors and RBCs to var Fragment–transfected COS-7 Cells
| COS-DBL1α | COS-CIDR1α | COS-DBL2δ | |
|---|---|---|---|
| Transfection efficiency | 1–3% | 6–8% | 3–6% |
| IgM | − | + | − |
| CD36 | − | + | − |
| PECAM-1/CD31 | − | + | + |
| O Rh+ RBCs | 50 ± 15 | 0 | 0 |
| O Rh+ RBCs (heparinase treated) | 0 | ND | ND |
| A+ RBCs | 45 ± 20 | 0 | 0 |
| A+ RBCs (heparinase treated) | 40 ± 15 | ND | ND |