Which one of the following antibodies plays an important role as mediator in allergic response?

Ig E

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Ig G

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Ig D

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Ig A

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Solution

The correct option is A Ig E
An antibody is a protein that is produced in response to the antigen. IgE acts as a mediator in the allergic response. It is also known as a response to hypersensitivity. It is synthesized by plasma cells. In the case of allergy, the antibodies get attached, to the mast cells. During exposure to allergens, these IgE primmed mast cells release histamines and cytokines.
So, the correct answer is option A.

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