Features of the replication of hantaviruses - pathogens of hemorrhagic fever with renal syndrome in cell cultures of different origin

Abstract

There are presented results of the adaptation ofpathogens of hemorrhagic fever with renal syndrome (HFRS) virus Puumala and Dobrava strains, to the reproduction in cell cultures of the simian origin - Green monkey kidney (Vero, 4647), Green monkey spleen (455), calf kidney (PT-1) and sheep kidney (4184). Hantaviruses were shown to be able to adapt to the replication in the new cellular system differing in species origin from the culture of Vero E6 origin in which the strains were isolated. This fact demonstrates the heterogeneity of hantavirus population, with the existence of «quasispecies» which can recognize and bind to ligands (b3 integrins) of the other species specificity. The highest yield of the virus, which is comparable with the culture of Vero E6, culture Vero provides. In Vero cells after 3-4 passages Puumala and Dobrava-Belgrade viruses replicate also actively as in a permissive culture Vero E6, that proposes the use of Vero culture cell allowed for the production of immunobiological drugs administered to people as a substrate in the delivery of vaccines against HFRS.

Keywords

hantaviruses / cell cultures / HFRS / vaccine

References

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