Abstract
Penicillium and Aspergillus species have been identified as prevalent indoor airborne fungi that are associated with extrinsic bronchial asthma. We have recently analyzed the IgE–binding components in 8 prevalent Penicillium and Aspergillus species (P. citrinum, P. notatum, P. oxalicum, P. brevicompactum, A. fumigatus, A. flavus, A. oryzae and A. niger) by immunoblotting and N–terminal amino acid sequence analysis. Our results show that the alkaline and/or vacuolar serine proteinases are the major allergens in these prevalent fungal species. IgE cross–reactivity among these major allergens was also detected. Results obtained provide an important basis for clinical allergy. In addition, monoclonal antibodies against alkaline and/or vacuolar serine proteinase allergens have been generated. These antibodies can be applied for the standardization of allergenic extracts.
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