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  • Title: Growth of poliovirus in HeLa cells persistently infected with HVJ (Sendai virus).
    Author: Kimura Y, Yoshii S, Maeno K, Matsumoto T.
    Journal: Microbiol Immunol; 1980; 24(1):39-49. PubMed ID: 6244478.
    Abstract:
    The growth of poliovirus in a HeLa cell culture persistently infected with the hemagglutinating virus of Japan (HVJ, the Sendai strain of parainfluenza 1 virus) (HeLaHVJ) was studied. Plaques produced by poliovirus on HeLaHVJ cell monolayers were hazier, smaller and fewer than those on HeLa cells. HeLaHVJ cells were indistinguishable from normal HeLa cells with respect to adsorption rate and penetration efficiency of poliovirus. Extracellular yields of poliovirus in HeLaHVJ cells were lower, and the cytopathic changes were less than those in normal HeLa cells, while cell-associated virus growth in HeLaHVJ cells was nearly equal to that in HeLa cells. HeLaHVJ cells responded more effectively to the action of magnesium chloride, which facilitates virus release from infected cells, resulting in an cytopathic effects. No reduction in poliovirus yield could be detected in HeLa cells acutely infected with HVJ. The relationship between the inhibition of the release of poliovirus from HeLaHVJ cells and the persistent infection of the cells with HVJ is discussed.
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