*** Gives heavy chain switch from [[Immunoglobulin M - WikiBlood|IgM]] to [[Immunoglobulin G|IgG]] , [[Immunoglobulin A|IgA]] and [[Immunoglobulin E - WikiBlood|IgE]].
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*** Gives heavy chain switch from [[Immunoglobulin M|IgM]] to [[Immunoglobulin G|IgG]] , [[Immunoglobulin A|IgA]] and [[Immunoglobulin E - WikiBlood|IgE]].
*** Proliferation of basophils/ mast cells.
*** Proliferation of basophils/ mast cells.
*** Can inhibit some [[Lymphocytes#T cells|T cell]] responses.
*** Can inhibit some [[Lymphocytes#T cells|T cell]] responses.