Table 2.
Treatment | Virus production (TCID50/ml) |
Inhibition of virus production (% of control) CPE reduction assay |
Virus production (PFU/ml) |
Inhibition of virus production (% of control) PFU reduction assay |
Cytopathicity (CPE) (%) |
---|---|---|---|---|---|
| |||||
None | 3.7 ×105 | 9×104 | 95 | ||
| |||||
Tenofovir (μg/ml) | |||||
500 | No virus | 100 | No virus | 100 | None |
100 | No virus | 100 | No virus | 100 | None |
20 | 1.3×104 | 96 | 2.2×103 | 98 | 5 |
5 | 7.2× 104 | 80 | 1.9×104 | 79 | 60 |
1 | 2.4×105 | 34 | 6.6×104 | 27 | 70 |
0.2 | 3×105 | 19 | 7.3×104 | 19 | 80 |
0.04 | 3.2×105 | 13 | 8.5×104 | 6 | 85 |
| |||||
Adefovir (μg/ml) | |||||
500 | No virus | 100 | No virus | 100 | None |
100 | No virus | 100 | No virus | 100 | None |
20 | No virus | 100 | No virus | 100 | None |
5 | No virus | 100 | No virus | 100 | None |
1 | 8×102 | 99 | 2.5×102 | 99 | None |
0.2 | 6×104 | 84 | 9.9×103 | 89 | 5 |
0.04 | 1×105 | 73 | 1.8×104 | 80 | 40 |
Virus production was evaluated on day 6 post infection. HSV-2 was quantified in the supernatants of drugtreated virus-infected cell cultures by titration in Vero cell cultures using the CPE reduction assay (calculation of TCID50/ml) and the PFU reduction assay (calculation of PFU/ml).