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Characterization of interferons produced by peripheral blood mononuclear cells from healthy subjects in response to
P J Hertzog1, B F Cheetham, J L Sexton
1Centre for Molecular Biology and Medicine, Monash University, Clayton, Victoria, Australia.
Abstract:
The biological significance of acid labile interferon alpha is presently unknown. We examined the putative production of acid labile interferon in vitro from human peripheral blood mononuclear cells induced with Corynebacterium parvum or poly I: poly C. Both agents induced up to 1200 IU/ml interferon, and the interferon was 80 to 90% acid labile. The interferons were typed by antibody neutralization of their antiviral activity. Contrary to previous reports, C. parvum induced predominantly interferon gamma, which is normally acid labile, whereas poly I: poly C induced an acid labile interferon alpha activity with characteristics similar to those of acid labile interferon alpha reported in serum in certain human diseases.