{"title":"Activity of recombinant human alpha interferon against influenza virus infection in mice.","authors":"O Sasaki, T Karaki, J Imanishi","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>The in vivo antiviral activity of recombinant human leukocyte hybrid interferon, HuIFN-alpha AD, was examined. Results showed that this material in highly purified form did not protect mice against a lethal dose of influenza virus, although administration of natural MuIFN-alpha/beta to mice infected with a lethal dose of influenza virus had a marked protective effect. The effect of alveolar macrophages treated with IFN on influenza virus replication was examined in vitro. The antiviral activity of alveolar macrophages treated with HuIFN-alpha AD was lower than that of MuIFN-alpha/beta. It is concluded that HuIFN-alpha AD is effective in direct inhibition of influenza virus, but not in indirect inhibition mediated by alveolar macrophages or in protection of mice from influenza virus infection.</p>","PeriodicalId":8767,"journal":{"name":"Biken journal","volume":"28 3-4","pages":"79-82"},"PeriodicalIF":0.0000,"publicationDate":"1985-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Biken journal","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
The in vivo antiviral activity of recombinant human leukocyte hybrid interferon, HuIFN-alpha AD, was examined. Results showed that this material in highly purified form did not protect mice against a lethal dose of influenza virus, although administration of natural MuIFN-alpha/beta to mice infected with a lethal dose of influenza virus had a marked protective effect. The effect of alveolar macrophages treated with IFN on influenza virus replication was examined in vitro. The antiviral activity of alveolar macrophages treated with HuIFN-alpha AD was lower than that of MuIFN-alpha/beta. It is concluded that HuIFN-alpha AD is effective in direct inhibition of influenza virus, but not in indirect inhibition mediated by alveolar macrophages or in protection of mice from influenza virus infection.
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