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Any of various small proteins that are produced by a variety of cell types, especially T cells and other white blood cells, and that regulate many aspects of inflammation and the immune response, including stimulating the production of white blood cells and platelets.


(Biochemistry) a substance extracted from white blood cells that stimulates their activity against infection and may be used to combat some forms of cancer


(ˈɪn tərˌlu kɪn)
any of a family of small proteins that participate in the body's defense system, esp. by promoting the growth and activation of white blood cells.
[1979; inter- + leuk (ocyte) + -in1; so called because such proteins act as agents of communication between different populations of leukocytes]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.interleukin - any of several lymphokines that promote macrophages and killer T cells and B cells and other components of the immune system
lymphokine - a cytokine secreted by helper T cells in response to stimulation by antigens and that acts on other cells of the immune system (as by activating macrophages)
References in periodicals archive ?
The Interleukin inhibitors market analysis considers sales from Interleukin-23 inhibitors, Interleukin-17 inhibitors, Interleukin-6 inhibitors, and other Interleukin inhibitors.
For IHC evaluations fetal lung samples were stained with surfactant proteins A, B, C, and D (Santa Cruz Biotechnology Inc, USA), prosurfactant protein B (Abcam, UK), interleukin-1, interleukin-4, interleukin-6, interleukin-10, tumor necrosis factor (TNF)-alpha, caspase 3, caspase 5, caspase 7, COX-1, COX-2, interferon-alpha, and interferon-beta (Abcam, UK).
The study concluded that "high and low HbA1c levels at baseline are associated with faster physical functioning decline, particularly among individuals with elevated circulating soluble interleukin-6 receptor, a sign of enhanced interleukin-6 trans-signaling," according to the published research results.
More specifically, this group produced around twice as much interleukin-10 and interleukin-6. Both of these molecules are important immune system messengers.
A signaling molecule called interleukin-6 plays a critical role in this process, researchers report.
According to a recent study, a signalling molecule called interleukin-6 plays a critical role in this process.
Background: The pro-inflammatory cytokine, interleukin-6 (IL-6), stimulates the metastasis of several neoplasms.
Objective: To evaluate the role of tumour necrosis factor alpha and interleukin-6 in conception after assisted reproductive treatment.
Objective: To investigate the effect of smoking on interleukin-6 and to find the correlation between serum amyloid A-low density lipoprotein (SAA-LDL) and IL-6 in smokers.
See "Interleukin-6 and interleukin-17 gene polymorphism association with celiac disease in children" on page: 471.
Ensuing investigations unveiled a markedly increased serum VEGF (2820pg/ml, ref < 500), normal interleukin-6 (IL-6) level (3.5pg/ml, ref< 10), and normal bone marrow cytogenetics without osteosclerotic bone lesions.