Study 1 fecal IgA concentrations in response to three intermittent feedings of LT-B () or a booster dose of 20 μg LT-B given on day 49 ()

Copyright information:Taken from "Low-Dose Exposure and Immunogenicity of Transgenic Maize Expressing the Heat-Labile Toxin B Subunit"Environmental Health Perspectives 2006;115(3):354-360.Published online 19 Dec 2006PMCID:PMC1849932.This is an Open Access article: verbatim copying and redistribution of this article are permitted in all media for any purpose, provided this notice is preserved along with the article's original DOI () LT-B feeding days are indicated by the arrows. Antibody concentrations are presented as mean ± SE. () Group means are represented by bars (- - -). For both and , = 4 mice per group, except for the nt group, which had = 8 on days –3 to 48.