... allergen, i.e.Dermatophagoides pteronyssinus whole mites, and con-sists of all mite components, including the majorallergens Der p 1 and Der p 2 [21,22]. In order toassess if Der p 2 is differentially ... intratracheal instil-lation of [75Se ]Der p 2. A radioactive protein corresponding to intact Der p 2 could only be detected in the lungs, whereas [75Se ]Der p 2-derivedradioactivity was recovered ... controlexperiments with Sel-tagged Der p 2 blotted onto the mem-brane, the Sel-tagged Der p 2 was recognized by both theanti -Der p 2 mAb and patients’ serum, showing that theSel-tagged Der p 2 had a preserved...