Which is the inhibitory receptor for B cell receptor signaling?

Options :
  1. CD44
  2. CD20
  3. CD22
  4. CD19

Answer and Explanation :-

Answer: Option 3


CD22 functions as an inhibitory receptor for B cell receptor (BCR) signaling. It is found on the surface of mature B cells and to a lesser extent on some immature B cells. CD22 is a regulatory molecule that prevents the over-activation of the immune system and the development of autoimmune diseases.

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