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Microbiology Immunology 140e1ef2

Type I hypersensitivity is mediated by which of the following immunoglobulins?

A
Ig A
B
Ig G
C
Ig M
D
Ig E
High-Yield Explanation
Type I hypersensitivity reaction is IgE dependent. Cytotoxic IgE antibodies are fixed on the surface of tissue cells ( mast cells and basophils) in sensitized individuals. The antigen combines with the cell fixed antibody, leading to release of pharmacologically active substance that produces the clinical reaction. Reference : Anathanarayan & paniker's 9th edition, pg: 162 <\p>

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