Abstract
Novel hydrazones of the lupane and 19β,28-epoxy-18α-oleanane types have been synthesized via the interaction of 2,3-secotriterpenic aldehydonitriles with substituted hydrazines. As a result of the investigation of the antiviral activity of 2,3-secotriterpenic hydrazones against the Indiana strain of the vesicular stomatitis virus on two models of mammalian cell line infection, the acetylhydrazone of 1-cyano-2,3-seco-19β,28-epoxy-18α-olean-3-al has been found to have a high prophylactic activity of 0.00016 μg/ml to the vesicular stomatitis virus and to inhibit virus reproduction in primarily infected cells in a 0.21-μg/ml concentration.
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Abbreviations
- VSV:
-
vesicular stomatitis virus
- SEK:
-
finite swine embryo kidney cell line
- TCD50/0.1 ml:
-
titer of cytopathic effect, at which the cell culture is infected by a virus in 50% of wells
- CD50 and CD100 :
-
50% and 100% cytotoxic doses for uninfected SEK cells
- MTC:
-
maximum out of the studied doses, which does not cause morphological changes of the tissue
- EC50 and EC100 :
-
doses inhibiting the cytopathogenic action of the virus for 50 and 100%
- MAC:
-
minimum active concentration
- CTI:
-
chemotherapeutical index that is counted as CD50/EC50
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Original Russian Text © N.V. Galayko, I.A. Tolmacheva, V.V. Grishko, L.V. Volkova, E.N. Perevozchikova, S.A. Pestereva, 2010, published in Bioorganicheskaya Khimiya, 2010, Vol. 36, No. 4, pp. 556–562.
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Galayko, N.V., Tolmacheva, I.A., Grishko, V.V. et al. Antiviral activity of 2,3-secotriterpenic hydrazones of the lupane and 19β,28-epoxy-18α-oleanane types. Russ J Bioorg Chem 36, 516–521 (2010). https://doi.org/10.1134/S1068162010040114
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DOI: https://doi.org/10.1134/S1068162010040114