Figure 7: Anti-Ova Ig G from knockout mice serum. Dosage of anti-Ova Ig G in serum (serum dilution 1:6000) 20 days postimmunization from wild type C57BL/6, TLR2 -/- C57BL/6, TLR4-/- C57BL/6, and MyD88-/- C57BL/6 mice, unimmunized (black bar), immunized (grey bar), immunized and stimulated with L. casei CRL 431 (dark-grey bar), and immunized and stimulated with PFM (light-grey bar). a,b,c,dMeans values without a common letter differ significantly (P<0.05).