GM-maize consumption does not affect OVA-specific antibody production at the initiation or relapse of allergic asthma.

OVA-specific antibody response induced by feeding in mice. Three days after the last aerosol challenge the level of OVA-specific IgG1, IgE and IgG2a antibody response induced by feeding of different diets. Individual serum samples were analyzed for IgG1 and IgE (Th2 phenotype) and IgG2a (Th1 phenotype). Data are expressed as mean O.D. ± SD, n = 8.