Allergy

Upon subsequent exposure, the allergen binds to these IgE antibodies, signaling the mast cells to release histamine and other inflammatory chemicals into the bloodstream. Histamine is responsible for the classic symptoms of an allergy:

Allergy to Thaumatin-like Proteins—What Do We Know? - MDPI allergy

When a person with an allergy is first exposed to an allergen, their immune system produces specific antibodies of the IgE class (immunoglobulin E). These antibodies attach themselves to , which are found throughout the body’s tissues, particularly in the skin, nose, and lungs. Upon subsequent exposure, the allergen binds to these