Anti-Human Immunodeficiency Virus (HIV) Activity of the Novel Antiviral Antibiotic Quartromicins which Enhance Inhibitory Effect of 3′-azido-2′,3′-dideoxythymidine (AZT) in vitro
Free accessResearch articleFirst published online December, 1992
Anti-Human Immunodeficiency Virus (HIV) Activity of the Novel Antiviral Antibiotic Quartromicins which Enhance Inhibitory Effect of 3′-azido-2′,3′-dideoxythymidine (AZT) in vitro
Novel antiviral antibiotic quartromicins A1 and D1, isolated from Amycolatopsis orientalis, significantly inhibited human immunodeficiency virus (HIV)-induced cytopathic effect and virus specific antigen expression at concentrations of 25–100 μg ml−1 In MT-4 cells infected with HTLV-IIIB. The reverse transcriptase activity of disrupted HTLV-IIIB particles, recombinant HIV-1 enzyme, and purified avian myeloblastosis virus (AMV) enzyme were also significantly inhibited by quartromicins A1 and D1. The combined antiviral effect of quartromicin A1 and AZT on the replication of HIV in MT-4 cells was also examined. Quartromicin A1 synergistically enhanced the inhibitory effect of AZT as revealed by HIV-specific antigen expression.
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