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Invitrogen
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Compatible with Direct ELISA
IgE is one of the five classes of immunoglobulins found in mammals, characterized by its monomeric structure consisting of two heavy (epsilon) chains with four Ig-like constant domains and two light chains. Although IgE comprises only a small portion of the total immunoglobulin in serum, it plays a crucial role in type I hypersensitivity reactions, such as hay fever, asthma, hives, and anaphylactic shock. IgE is produced by terminally differentiated plasma B cells and basophils. It binds to Fc epsilon receptors on mast cells and basophils, leading to the release of histamine and other molecules that promote allergic responses. Crosslinking of IgE bound to these receptors induces degranulation of mast cells and basophils, resulting in allergic manifestations. In addition to its role in allergic responses, IgE is functionally important for immunity against parasites, highlighting its dual role in both protective and pathological immune processes.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: Immunoglobulin E; ImmunoglobulinE