Cashew allergen mixture

Cashew allergen mixture refers to the group of proteins derived from the cashew nut (Anacardium occidentale) that are responsible for eliciting IgE-mediated allergic reactions in sensitive individuals. The primary components of this mixture include the seed storage proteins Ana o 1 (a 7S globulin), Ana o 2 (an 11S globulin), and Ana o 3 (a 2S albumin) [1]. These proteins are characterized by their high stability against thermal denaturation and proteolytic digestion, which contributes to their potency as allergens [2]. In the context of disease, these allergens interact with the human immune system by cross-linking allergen-specific IgE on mast cells and basophils, leading to the release of inflammatory mediators [3]. This process results in clinical symptoms ranging from mild urticaria to life-threatening anaphylaxis [3]. From a therapeutic perspective, the cashew allergen mixture is utilized as the active pharmaceutical ingredient in oral immunotherapy (OIT) protocols, such as the investigational product AR201 [4]. These therapies aim to desensitize patients by inducing immune tolerance through controlled, escalating exposure to the allergen mixture [4]. Monitoring patient response often involves measuring specific IgE levels to individual components, particularly Ana o 3, which is a highly specific biomarker for predicting clinical reactivity [5]. Overall, the cashew allergen mixture is a critical complex of proteins for both the pathophysiology and the treatment of cashew nut allergy.

Other names

Anacardium occidentale allergensCashew nut extractCashew nut proteinsAna o 1Ana o 2Ana o 3

Induction of immune tolerance through gradual desensitization of the immune system to specific allergens.