Figure 2

IgG response to PA83 in donor X064-004b engraft sera The presence of IgG antibody to anthrax toxin PA83 components in sera of engrafted SCID mice sera were determined by ELISA after the first and second boosts. The specific levels of IgG and donor levels are shown. The IgG response from Donor X064-004b cells engrafted into SCID mice at day 15 (A) and day 30 (B).