Q. The function of IgE is

A
mediate in allergic response
B
activation of B-cells
C
protection from inhaled and ingested pathogens
D
stimulation of complement system, passive immunity of foetus
Solution:
  • Allergic reactions are the result of the production of specific IgE antibody to common, innocuous antigens.
  • Allergens are small antigens that commonly provoke an IgE antibody response.
  • Cross-linking IgE bound to its receptor on cells by multivalent allergens initiates a chain of events resulting in allergic immune responses.
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