Which lab studies are used in the diagnosis of mold allergy?

Updated: Sep 18, 2017
  • Author: Shih-Wen Huang, MD; Chief Editor: Harumi Jyonouchi, MD  more...
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Answer

The diagnosis of fungal sensitivity heavily depends on skin tests with fungal allergens. However, the variability and complexity of fungal extracts often hamper diagnosis. One of the breakthroughs of antigenic (Ag) preparation occurred when a recombinant form of a fungal allergen became available. Asturias et al compared a purified natural Aspergillus Ag (nAlt a) and recombinant Ag (rAlt a 1). [21] They found a statistically significant correlation in specific immunoglobulin E (IgE) levels to both Ags by using skin test and immunoblotting/inhibition analysis. Therefore, the use of recombinant Ag may help in reducing the inconsistency of test results with the use of natural Ags.


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