Short ragweed pollen allergen extract (SRWPAE)

Ragweed-specific immune components primarily refer to the allergenic proteins derived from Short Ragweed (Ambrosia artemisiifolia) pollen, most notably the major allergen Amb a 1, and the corresponding immune system elements they trigger. These allergens are the primary drivers of seasonal allergic rhinitis (hay fever) in North America, acting by cross-linking allergen-specific IgE on the surface of mast cells and basophils, which leads to the release of inflammatory mediators like histamine. In a therapeutic context, these components are utilized in allergen immunotherapy (AIT) to desensitize the immune system. By exposing the patient to gradually increasing or consistent sublingual doses of the allergen, the treatment aims to induce long-term clinical tolerance, reducing symptoms and the need for rescue medications during ragweed season.

Other names

Ambrosia artemisiifolia pollen allergen extractRagweed allergen extractAmb a 1Ragweed-specific IgE (target of response)Ragweed pollen

Allergen immunotherapy involves the repeated administration of specific allergens to induce immunological tolerance. This process shifts the immune response from a Th2-dominated (allergic) profile to a Th1/Treg-dominated profile, increasing the production of allergen-specific IgG4 antibodies which act as blocking antibodies to prevent IgE-mediated mast cell activation.