cytokine
noun
cy·to·kine
ˈsī-tə-ˌkīn 
plural cytokines
: any of a class of immunoregulatory proteins (such as interleukin or interferon) that are secreted by cells especially of the immune system
Most cytokines are produced primarily in the presence of disease or immunization and contribute to immune responses, inflammation, and endothelial cell activation; others are involved in tissue repair.—
Charles A. Dinarello et al.
Charles A. Dinarello et al.The proinflammatory cytokine interleukin-2 determines the magnitude and duration of the T-cell response immediately after antigen encounter and assists in the maturation of macrophages and the proliferation of B cells and natural killer cells …—Chiea C. Khor et al.
Chiea C. Khor et al.Examples of cytokine in a Sentence
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The researchers noted that ginger and turmeric reduced the production of cytokines (which are inflammatory proteins) and decreased the production of inflammatory cells.
—Heidi Moawad, Verywell Health, 23 Sep. 2024
These cytokines activate surrounding immune cells that release more inflammatory molecules, creating a continual cycle that further damages and impairs joint function.
—Devineé Lingo, M.s., Rdn, Health, 6 Sep. 2024
Experimental animal studies have found that the flavonoids in palo azul bark contain powerful anti-inflammatory properties and might reduce the levels of pro-inflammatory cytokines TNF-α, IL-6, and GM-CSF in those with arthritis.
—Devineé Lingo, M.s., Rdn, Health, 6 Sep. 2024
In addition to slower metabolism and weight gain, the inflammatory response of producing cytokines can contribute to insulin resistance.
—Bryant Stamford, The Courier-Journal, 5 July 2024
See all Example Sentences for cytokine 
Heidi Moawad, Verywell Health, 23 Sep. 2024
These cytokines activate surrounding immune cells that release more inflammatory molecules, creating a continual cycle that further damages and impairs joint function.
—Devineé Lingo, M.s., Rdn, Health, 6 Sep. 2024
Experimental animal studies have found that the flavonoids in palo azul bark contain powerful anti-inflammatory properties and might reduce the levels of pro-inflammatory cytokines TNF-α, IL-6, and GM-CSF in those with arthritis.
—Devineé Lingo, M.s., Rdn, Health, 6 Sep. 2024
In addition to slower metabolism and weight gain, the inflammatory response of producing cytokines can contribute to insulin resistance.
—Bryant Stamford, The Courier-Journal, 5 July 2024
See all Example Sentences for cytokine
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'cytokine.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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“Cytokine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cytokine. Accessed 5 Oct. 2024.
Copy CitationMedical Definition
cytokine
noun
cy·to·kine
ˈsīt-ə-ˌkīn
: any of a class of immunoregulatory proteins (as interleukin, tumor necrosis factor, and interferon) that are secreted by cells especially of the immune system
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