PMID: 2478101Jan 1, 1988Paper

Ultrastructure and some biological properties of influenza A virus. III. The role of influenza A virus lipids in interferon induction.

Archivum Immunologiae Et Therapiae Experimentalis
M Chomik

Abstract

Experiments were carried out with A/USSR/053/74/H3N2 influenza virus. To remove lipids from virus particles, the enzyme phospholipase C, butanol-ether and the detergent cytylpyridinum chloride were used. Mild treatment of the influenza virus with phospholipase C resulted in a slight decrease in the activity of both surface antigens of the virions as well as in a suppression of their infectivity. Such virus is capable of IFN induction in mouse. Long-term (25 h) treatment of the virus with phospholipase C caused gross destruction of virions. Thus, despite the preserved neuraminidase activity the preparation was no longer capable of IFN induction. The treatment with butanol-ether and the detergent cytylpyridinum chloride brought similar results--fully preserved hemagglutination and neuraminidase activity and a complete loss of IFN induction.

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