Author:

Bowyer P, Blightman O, Denning DW.

Date: 16 February 2007

Abstract:

Aspergillus is a common disease-causing agent, both as an allergen causing ABPA and severe asthma with fungal sensitization (SAFS) and as a pathogen causing invasive aspergillosis in immunocompromised individuals and chronic cavitating disease (CCPA) in apparently immune competent individuals. Currently detection of Aspergillus is problematic and some of the most useful tests rely on detection of antibody response to Aspergillus allergens. Here we examine the IgE antibody response to crude and recombinant allergen tests (Asp f 1, Asp f 2, Asp f 4 and Asp f 6) in individuals with allergic conditions ABPA, SAFS and in individuals with CCPA. Additionally we use recently obtained genomic information to examine the possibility of cross reaction to these allergens and show that possible cross reactive epitopes occur in several species of Aspergillus.

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