IL-5 is an inflammatory signaling molecule that primarily stimulates eosinophil proliferation, maturation and activation. Eosinophils are leukocytes involved in inflammatory responses that defend against parasites and cause some aspects of asthma, allergic reactions, and perhaps autoimmune disorders. The action of IL-5 begins with an immune response in tissues, such as activation of macrophages and T cells that secre......閱讀全文