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  • Title: Potentiation of the antiviral activity of poly r(A-U) by riboflavin, FAD and FMN.
    Author: Jamison JM, Flowers DG, Kitareewan S, Krabill K, Tsai CC.
    Journal: Cell Biol Int Rep; 1989 Feb; 13(2):215-22. PubMed ID: 2470520.
    Abstract:
    The role of riboflavin (RFN), FAD or FMN in modulating the antiviral activity of poly r(A-U) was examined by the human foreskin fibroblast-vesicular stomatitis virus bioassay in which the concentrations of poly r(A-U) was fixed at 0.1 mM or 0.2 mM while the riboflavin, FAD or FMN concentration was varied to produce variable RFN (or FAD or FMN)/ribonucleotide ratios ranging from 1/16 to 2/1. Riboflavin, FAD and FMN tested individually did not exhibit any antiviral activity, while poly r(A-U) alone exhibited antiviral activity. When poly r(A-U) was combined with riboflavin, FAD or FMN, the antiviral activity was potentiated seven- to twelve-fold at RFN (or FAD or FMN)/ribonucleotide ratios in the region of 1/4.
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