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IL-6's role as an anti-inflammatory myokine is mediated through its inhibitory effects on TNF and IL-1 and its activation of IL-1ra and IL-10. There is some early evidence that IL-6 can be used as an inflammatory marker for severe COVID-19 infection with poor prognosis, in the context of the wider coronavirus pandemic .
Some inflammatory cytokines have additional roles such as acting as growth factors. [5] Pro-inflammatory cytokines such as IL-1β, IL-6, and TNF-α also trigger pathological pain. [1] While IL-1β is released by monocytes and macrophages, it is also present in nociceptive DRG neurons. IL-6 plays a role in neuronal reaction to an injury.
New research has found IL-6 to be an anti-inflammatory cytokine with multiple beneficial effects when released by contracting muscle as a myokine. IL-6 had previously been classified as a proinflammatory cytokine. Therefore, it was first thought that the exercise-induced IL-6 response was related to muscle damage. [22]
Not only does IL-17 play a key role in inflammation of many autoimmune diseases, such as RA, allergies, asthma, psoriasis, and more, but it also plays a key role in the pathogenesis of these diseases. Additionally, some studies have found that IL-17 plays a role in tumorigenesis (initial formation of a tumor) and transplant rejection. [44]
[17] [18] The fact that cytokines themselves trigger the release of other cytokines [19] [20] [21] and also lead to increased oxidative stress makes them important in chronic inflammation, as well as other immunoresponses, such as fever and acute phase proteins of the liver (IL-1,6,12, IFN-a). Cytokines also play a role in anti-inflammatory ...
TNF-α, IL-1β and IFN-γ are important for the expression of inflammatory mediators such as prostaglandins and leukotrienes, and they also cause the production of platelet-activating factor and IL-6. After stimulation with proinflammatory cytokines, Kupffer cells produce IL-6 in the liver and present it to the hepatocytes. IL-6 is the major ...
Chronic systemic inflammation (SI) is the result of release of pro-inflammatory cytokines from immune-related cells and the chronic activation of the innate immune system.It can contribute to the development or progression of certain conditions such as cardiovascular disease, cancer, diabetes mellitus, chronic kidney disease, non-alcoholic fatty liver disease, autoimmune and neurodegenerative ...
The second category of cytokines, which include IL-4, IL-10 and TGF-β (to name a few), seem to have a role in prevention of exaggeration of pro-inflammatory immune responses. Dendritic cell apoptosis – immune system cells called dendritic cells present antigens to active lymphocytes. Dendritic cells that are defective in apoptosis can lead ...