Definition of interleukin in English:


Line breaks: inter|leu¦kin
Pronunciation: /ˌɪntəˈluːkɪn


  • Any of a class of glycoproteins produced by leucocytes for regulating immune responses.
    More example sentences
    • They are divided into four major groups: interleukins, interferons, tumor necrosis factors, and transformation growth factors.
    • You may have heard of some of them - the interferons and interleukins, for example.
    • By adding synthetic interleukins to your body, your immune system may have more power to fight the cancer cells.


1970s: from inter- 'occurring between' + leukocyte (variant of leucocyte) + -in1.

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