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. 1974 Nov;6(5):594-7.
doi: 10.1128/AAC.6.5.594.

Antivirion effects of streptovaricin complex against Friend virus

J S Horoszewicz, S S Leong, D M Byrd, W A Carter

Antivirion effects of streptovaricin complex against Friend virus

J S Horoszewicz et al. Antimicrob Agents Chemother. 1974 Nov.

Abstract

The in vitro antivirion activities of five different streptovaricin complex lots against the polycythemic strain of the Friend virus were evaluated. The assay system was based on the inhibition of the Friend virus-induced spleen foci. The virus inactivation process was shown to be susceptible to variation in temperature, pH, and time. The antivirion activity and the acute toxicity for mice, as well as the optical properties of these streptovaricin complexes, do not co-vary; this suggests that their biological activities are not associated with a single molecular structure. In addition, the antivirion activity of the five preparations of streptovaricin complex differs about 30-fold, indicating that this activity does not reside in a major component of the complex.

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