Figure 7
From: Display of wasp venom allergens on the cell surface of Saccharomyces cerevisiae
Basophil histamine release. Basophils sensitized with serum from wasp venom allergics (A) or healthy controls (B) were challenged with wasp venom and yeast cells expressing CD20, Ves v 1, Ves v 2 or Ves v 5 (from surface display vectors with zeocin-resistance markers). The results represent one experiment out of four. The wasp venom is diluted 3-fold in each step from the highest concentration of 222 ng venom extract per sample.