Type I hypersensitivity reaction is mediated by:
Correct Answer: IgE
Description: In immediate hypersensitivity (type I hypersensitivity)- the injury is caused by TH2 cells, IgE antibodies, and mast cells and other leukocytes. Mast cells release mediators that act on vessels and smooth muscle and pro-inflammatory cytokines that recruit inflammatory cells.
Category:
Pathology
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