Ovalbumin-specific immunoglobulin E production (OVA-specific IgE)

Ovalbumin-specific immunoglobulin E (OVA-specific IgE) production is a biological process and experimental readout commonly used in immunological research, particularly in murine models of asthma and food allergy (PubMed: 15546713). It represents the synthesis of IgE antibodies specifically directed against ovalbumin, a protein derived from chicken egg white used as a model allergen. This process involves the activation of Th2 cells, which secrete cytokines like IL-4 and IL-13, prompting B cells to undergo class-switch recombination to produce IgE (PubMed: 10449160). While it is a critical measure of allergic sensitization and the efficacy of anti-allergic therapies in preclinical studies, it is not a single molecular target (such as a receptor or enzyme) but rather a complex physiological outcome. Therapeutic interventions aimed at reducing this production typically target upstream signaling molecules, such as the IL-4 receptor, or the IgE antibodies themselves (NCBI: NBK537031). In research settings, measuring OVA-specific IgE levels in serum is a standard method to evaluate the severity of an induced allergic response and the potency of potential immunomodulatory drugs.

Other names

OVA-IgE productionOvalbumin-specific IgE synthesisAnti-OVA IgE response

Inhibition of Th2-mediated immune responses, including the blockade of IL-4/IL-13 signaling or the neutralization of secreted IgE antibodies.