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| One of a group of related proteins made by leukocytes (white blood cells) and other cells in the body. IL-4 is made by a type of T lymphocyte. It causes B lymphocytes to increase and to make antibodies and also increases the production of T lymphocyte. IL-4 made in the laboratory is used as a biological response modifier to boost the immune system in cancer therapy. IL-4 is a type of cytokine. Also called interleukin-4. |
Previous Definitions: | IL-11, IL-12, IL-1B, IL-2, IL-3 | Next Definitions: | IL-6, IL-7, ileostomy, ileus, iloprost |
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