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. 1974 Dec;6(6):747–753. doi: 10.1128/aac.6.6.747

Characteristics of the In Vitro Inhibition of Arenavirus Synthesis by Bis-Benzimidazoles

J P Stella 1, K D Yankaskas 1, J H Morgan 1, M P Fox 1, C J Pfau 1
PMCID: PMC444730  PMID: 4451346

Abstract

The dihydrochloride salt of (S,S)-1,2-bis(5-methoxy-2-benzimidazolyl)-1,2-ethandiol (A37536) inhibits the synthesis of lymphocytic choriomeningitis (LCM), Parana, and Pichinde viruses in L-929 cells. The compound has no direct inactivating effect on LCM virus nor does it affect the adsorption of LCM virus to L cells. The drug-cell interaction is slow. Maximal activity is observed only by exposing cells to the drug at least 8 h prior to LCM virus infection, or by concomitant drug treatment and infection at a low multiplicity. Addition of serum-free media to L cells after LCM virus infection diminishes the activity of A37536. Whereas A37536 exhibits its antiviral activity at concentrations that have little or no effect on L cell division rate, a marked change can be noted in the cell's sensitivity to lysis by standard trypsin dispersal procedures. A37536 has no specific antiviral activity in LCM virus-infected BHK, HeLa, or Vero cells. All of the four tested derivatives of A37536 showed antiviral activity against LCM virus but only at concentrations that reduced the growth rate or were toxic to L cells.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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