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  • Title: Synergistic inhibition of human immunodeficiency virus type 1 replication by 5-ethyl-1-ethoxymethyl-6-(phenylthio)uracil (E-EPU) and azidothymidine in vitro.
    Author: Baba M, Ito M, Shigeta S, Tanaka H, Miyasaka T, Ubasawa M, Umezu K, Walker RT, De Clercq E.
    Journal: Antimicrob Agents Chemother; 1991 Jul; 35(7):1430-3. PubMed ID: 1929304.
    Abstract:
    A novel 6-substituted acyclouridine derivative, 5-ethyl-1-ethoxymethyl-6-(phenylthio)uracil (E-EPU), has recently proved to be a highly potent and selective inhibitor of human immunodeficiency virus type 1 (HIV-1) in vitro. Combinations of 3'-azido-2',3'-dideoxythymidine (AZT) and E-EPU synergistically inhibit the replication of HIV-1 in MT-4 cells, whereas the cytotoxic effects of AZT and E-EPU on mock-infected MT-4 cells are not enhanced by the drug combination. Synergistic inhibition of HIV-1 replication has also been observed in peripheral blood lymphocytes. These results indicate that the combination of AZT and E-EPU should be further pursued in the treatment of AIDS.
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