IL-4. Definition

Medical Definition: IL-4

One of a group of related proteins made by leukocytes (white blood cells) and other body cells. The IL-4 is made by a type of T lymphocyte It makes the B cells increase and produce antibodies and also increases production of T lymphocytes The IL-4 produced in the laboratory is used in the treatment of cancer as a biological response modifier to boost the immune system. The IL-4 is a type of cytokine. Also called interleukin-4.

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