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  • Title: [Preparative isolation of myxovirus glycoproteins and the study of their immunogenic properties].
    Author: Berezin VE, Zaĭdes VM, Mchedlishvili BV, Selimova LM, Kliushnik SIu.
    Journal: Mol Gen Mikrobiol Virusol; 1985 Jul; (7):36-43. PubMed ID: 3025716.
    Abstract:
    Preparative isolation of glycoproteins from ortho- and paramyxoviruses is described. The purified concentrated virus has been treated with nonionic detergent MESK with subsequent removal of viral cores by centrifugation. Supernatant was sterilized by filtration through the nuclear filters and cleared from detergent by dialysis. Glycoproteins obtained have not contained contaminating cellular or core viral proteins or viral shell lipids. In the absence of detergent, glycoproteins have formed the peculiar mycelial complexes. Biological activity of glycoproteins was kept at high level. Glycoproteins output at isolation from different strains of influenza viruses A, B and Sendai virus varied from 75 to 98%. Immunogenetic study of the preparations obtained has demonstrated their capability to stimulate the formation of antibodies against both viral glycoproteins comparable with the capability of intact virus. The obtained level of immunity was enough to protect organism against homologous infection. Samples of glycoproteins obtained are up to standards for subunit vaccines, and the technique of their preparation is perspective as far as the production of vaccine preparations is concerned.
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