FIG. 3.

Soluble recombinant NCAM protein neutralizes RV infection. RV and vaccinia virus inocula were incubated with 0.7 to 1 μg of soluble NCAM or with control proteins (irrelevant Ig domain and laminin) for 40 min at 37°C. The effect of the different treatments was estimated by measuring the residual infectious virus expressed as a percentage of BSR cells infected after 18 h of culture (left part for RV and right part for vaccinia virus). Values are the means of four separate experiments ± standard deviations.