Lymphokines are a subset of cytokines that are produced by a type of immune cell known as a lymphocyte. Important lymphokines secreted by the T helper cell include: Interleukin 2 Interleukin 3 Interleukin 4 Interleukin 5 Interleukin 6 Granulocyte-macrophage colony-stimulating factor Interferon-gamma
