Selective isolation of poliovirus in recombinant murine cell line expressing the human poliovirus receptor gene.

Sixty-eight laboratory strains representing 49 enterovirus, 10 adenovirus, and 3 reovirus serotypes were inoculated in a recombinant murine cell line expressing the human poliovirus receptor gene (L alpha cells). Only polioviruses caused cytopathic effect over a 10-day period. Likewise, only polioviruses were isolated, by use of L alpha cells, from 168 fecal specimens from children from developing countries. These results suggest that the recombinant L alpha cells can be used for selective isolation of poliovirus from clinical specimens.