Antiviral effect of interferon on influenza virus infection in mice

N. Saito, Fujio Suzuki, N. Ishida

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The antiviral effect of highly purified mouse interferon (IFN) was studied on influenza virus infertion in mice, by changing the routes of administration. By repeated intravenous (i.v.) administrations of IFN, no antiviral effect was observed. However, IFN was effective when the infected mice received either intraperitoneal (i.p.) or intranasal (i.n.) administrations. While all of the untreated mice died within 10 days after infection, 20% of the i.p. treated mice and 67% of the i.n. treated mice survived more than 30 days. To explain these different effects after administration by different routes, the distribution of given IFN in mouse organs was examined. Fifteen min after i.v. injection, only a low-titered IFN was detected in the serum, lung, spleen and liver of the mice and soon disappeared. However, a relatively high-titered IFN was detected 30 min after i.p. administration in the lung and serum. After i.n. administration, high-titered IFN was detected in the lung within 15 min after administration and contined for 90 min. Thus the findings demonstrated that the maintenance of a detectable amount of IFN in mice organs is dependent on the route of administration, and the higher the titer of IFN in the lung, the higher the protective effect of IFN against influenza virus infection.

Original languageEnglish (US)
Pages (from-to)355-363
Number of pages9
JournalTohoku Journal of Experimental Medicine
Volume139
Issue number4
StatePublished - 1983
Externally publishedYes

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Virus Diseases
Orthomyxoviridae
Viruses
Interferons
Antiviral Agents
Intranasal Administration
Lung
Serum
Intravenous Injections
Intravenous Administration
Liver
Spleen
Maintenance

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Antiviral effect of interferon on influenza virus infection in mice. / Saito, N.; Suzuki, Fujio; Ishida, N.

In: Tohoku Journal of Experimental Medicine, Vol. 139, No. 4, 1983, p. 355-363.

Research output: Contribution to journalArticle

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