Oral edible plant vaccine containing hypoallergen of American cockroach major allergen Per a 2 prevents roach-allergic asthma in a murine model
(A) The representative lung sections obtained 48 h after intranasal challenge and stained with H&E. (B) The infiltrating inflammation cells were quantified under 400-fold view. The results are expressed as mean ± SEM (n = 5–6 per group) of the cell number per square millimeter of lung tissues. The statistical significance of differences among groups was assessed by the Dunnett’s test. * denoted p<0.05.