Table 2

Anti-HIV activity of different compounds against wild-type HIV-1 and AR177-resistant HIV-1.

CompoundEC50CC50
Wild-type NL4-3AR177r NL4-3
μg/ml
AR1770.6>125>125
DS (M r 5000)0.723.8>125
Heparin0.23.9>125
ISI53200.2>10>10
AMD31000.0030.004>125

EC50 based on the inhibition of HIV-induced cytopathicity in MT-4 cells, as determined by the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium method. CC50 based on the viability of MT-4 cells, as determined by the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium method.