TABLE 1.
Viral titers of conditioned medium from 293bsr cells 2 days posttransfection
| Viral vector | Titer (cfu/ml) on 3T3 cells |
|---|---|
| pSFG-nLacZ | 1.4 × 107 |
| pGT1.0 | 8 × 105 |
| pGT2.0 | 1.5 × 107 |
| pGT3.0 | 1.8 × 106 |
| pGT4.0 | 2 × 105 |
| pGT5.0 | 2 × 104 |
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