1. cytokine

noun. any of various protein molecules secreted by cells of the immune system that serve to regulate the immune system.


  • protein
  • TNF
  • tumor necrosis factor
  • lymphokine

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Sentences with cytokine

1. Noun, singular or mass
As a result, patients are more likely to experience a “cytokine storm” — a type of immune system overreaction where your body starts attacking its own cells and tissues rather than just fighting off the virus.

2. Adjective
Adding nicotine to these bacteria also increases cytokine production.