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What is PK reaction detects and explain in detail?
The Prausnitz-Kustner test is an immunologic test formerly used by physicians to determine if a patient has an allergic reaction to a specific antigen. IgE is homocytotropic i.e. species specific. Only human IgE can fix to the surface of human cells. This is the basis of Prautnitz- Kustner reaction, which was the original method of detecting atopic antibody. Examples of Type I Hypersensitivity Reaction.