Skip to main content
Figure 1 | Clinical and Molecular Allergy

Figure 1

From: Assessment of allergen cross-reactivity

Figure 1

Symmetric (figure 1A) versus asymmetric (figure 1B) cross-reactivity. Symmetric cross-reactivity (figure 1A) occurs between major allergens from related grasses or dust mites. Asymmetric cross-reactivity (figure 1B) is usually found for example between the birch allergen Bet v 1 (outer circle) and the related protein from apple, Mal d 1 (inner circle). Bet v 1 completely inhibits IgE binding to Mal d 1, but Mal d 1 only partially inhibits IgE binding to Bet v 1 (see also figures 2 and 3).

Back to article page