Kinetics of inhibition of replication of vesicular stomatitis virus in blood mononuclear cells of horses after in vitro and in vivo treatment with recombinant equine interferon-beta 1.

Recombinant equine interferon-beta 1 (reqIFN-beta 1) induces an antiviral state in blood mononuclear cells (BMC) of horses. Maximal protection against replication of vesicular stomatitis virus is achieved 6 hours after treatment with IFN in vitro and in vivo. Duration of the protective effect depends on the dose of IFN in vitro and in vivo. Availability of reqIFN-beta 1 in cultures of BMC for up to 48 hours does not prolong the antiviral state. The protective effect on BMC after treatment with IFN has similar duration in vivo and in vitro. Monitoring of the effect of IFN in vivo is, thus, simplified because the antiviral state may be recorded by testing cells twice (ie, before and 6 hours after application of interferon). All further tests may be performed in vitro. Multiple administration of reqIFN-beta 1 do not prolong duration of the protective phases after each administration. Duration of the antiviral state depends only on the dose of reqIFN-beta 1.
AuthorsJ Marquardt, J Heymer, H Heinz, G R Adolf, E Deegen
JournalAmerican journal of veterinary research (Am J Vet Res) Vol. 55 Issue 8 Pg. 1093-100 (Aug 1994) ISSN: 0002-9645 [Print] UNITED STATES
PMID7978648 (Publication Type: Comparative Study, Journal Article)
Chemical References
  • Recombinant Proteins
  • Interferon-beta
  • Animals
  • Body Temperature
  • Female
  • Horse Diseases (therapy)
  • Horses
  • In Vitro Techniques
  • Interferon-beta (administration & dosage, pharmacology)
  • Leukocytes, Mononuclear (drug effects, virology)
  • Male
  • Recombinant Proteins (administration & dosage, pharmacology)
  • Rhabdoviridae Infections (therapy, veterinary)
  • Stomatitis (therapy, veterinary)
  • Vesicular stomatitis Indiana virus (drug effects, physiology)
  • Virus Replication (drug effects)

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