Immunoglobulin E (IgE) specific for Eurotium herbariorum (sIgE (Eurotium herbariorum))

Immunoglobulin E (IgE) specific for Eurotium herbariorum epitopes are antibodies produced by the immune system following sensitization to this common environmental mold (Yamazaki et al., 2010, PubMed: 20664215). Eurotium herbariorum, often found in damp indoor environments and agricultural settings, serves as a potent source of allergens that trigger Type I hypersensitivity (Gould & Sutton, 2008, PubMed: 18387209). These specific IgE antibodies circulate in the blood and bind to high-affinity FcεRI receptors on the surface of mast cells and basophils (UniProt: P01854). Upon re-exposure to Eurotium herbariorum epitopes, the IgE molecules are cross-linked, triggering the degranulation of these cells and the release of inflammatory mediators such as histamine and leukotrienes (StatPearls: NBK545184). This process is central to the pathogenesis of allergic asthma, rhinitis, and more severe conditions like allergic bronchopulmonary aspergillosis. Therapeutic strategies involve the use of monoclonal antibodies like Omalizumab, which bind to the Fc region of circulating IgE (NCBI: NBK545184). By sequestering free IgE, these drugs prevent the sensitization of effector cells and downregulate the expression of IgE receptors. Clinical management often relies on measuring these specific IgE levels as biomarkers to confirm mold sensitivity and guide immunotherapy or biological treatment.

Other names

Eurotium herbariorum-specific IgEAspergillus glaucus-specific IgEm218-specific IgE

Anti-IgE monoclonal antibodies bind to the Cε3 domain of the IgE molecule, preventing its interaction with the high-affinity IgE receptor (FcεRI) on mast cells and basophils (StatPearls: NBK545184).