T cells produce [[Cytokines|'''cytokines''']] such as IL-4 which induces [[Immunoglobulins#Immunoglobulin Class Switching|class switching]] from IgM and the formation of memory cells.
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T cells produce [[Cytokines|'''cytokines''']] such as IL-4 which induces [[Immunoglobulins_-_Overview#Immunoglobulin_Class_Switching|class switching]] from IgM and the formation of memory cells.