Single recombinant and purified major allergens and peptides: How they are made and how they change allergy diagnosis and treatment.

Objective: To review the current knowledge regarding recombinant and purified allergens and allergen-derived peptides.

Data Sources: PubMed, homepages relevant to the topic, and the National Institutes of Health clinical trial database were searched.

Study Selections: The literature was screened for studies describing purified and recombinant allergens and allergen-derived peptides.