| monokine | <molecular biology> Soluble factor, derived from macrophages, that act on other cells (e.g. Interleukin-1). Becoming unusual all monokines are cytokines and that term is more commonly used. (18 Nov 1997) |
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| monokines | Soluble mediators of the immune response that are neither antibodies nor complement. They are produced largely, but not exclusively, by monocytes and macrophages. (12 Dec 1998) |