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Susceptibilities of simian immunodeficiency virus to protease inhibitors
Angelica C Giuffre1, Joanne Higgins, Robert W Buckheit
1Center for Comparative Medicine, Department of Veterinary Molecular Biosciences, University of California, Davis, Davis, California 95616, USA.
Antimicrobial Agents and Chemotherapy
|April 24, 2003
Abstract:
We used a focal infectivity assay with HeLa H1-JC.37 cells to directly compare susceptibilities of simian immunodeficiency virus (SIV) and human immunodeficiency virus type 1 (HIV-1) to protease inhibitors. SIVmac239 was inhibited by indinavir, saquinavir, and ritonavir, with 50% effective concentrations (means +/- standard deviations) of 39 +/- 8, 55 +/- 3, and 13 +/- 5 nM, respectively. The corresponding values for inhibition of HIV-1 were 66 +/- 4, 47 +/- 10, and 25 +/- 14 nM, respectively.