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Any of various cytokines that are released by activated lymphocytes and regulate many aspects of the immune response.

[lympho- + Greek kīnein, to move; see kinin.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Pathology) immunol a protein, released by lymphocytes, that affects other cells involved in the immune response
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈlɪm fəˌkaɪn)

any of a group of lymphocyte products that perform various disease-fighting functions, as destroying infected cells.
[1969; lympho (cyte) + -kine < Greek kīneîn to move]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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)
cytokine - any of various protein molecules secreted by cells of the immune system that serve to regulate the immune system
interleukin - any of several lymphokines that promote macrophages and killer T cells and B cells and other components of the immune system
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
definition according to profiles of lymphokine activities and secreted proteins.
ROS is activated by abnormal lymphokine release, eicosanoid metabolism, fatty acid metabolism, and inflammatory cells surrounding the hair follicle (20).
Macrophage activating factor (MAF) is a lymphokine or other receptor-based signal that primes macrophages towards cytotoxicity to tumors, cytokine secretion, or clearance of pathogens.
Increasing of fibroblast as a result of lymphokine induced which secreted by [CD4.sup.+] lymphocytes [19].
The reaction is the classic example of delayed hypersensitivity reaction, where sensitized T-cells by prior infection are recruited thereby releasing the lymphokine [34].
Katona et al., "Lymphokine control of in vivo immunoglobulin isotype selection," Annual Review of Immunology, vol.
Wegmann, "Control of fetal survival in CBA x DBA/2 mice by lymphokine therapy," Journal of Reproduction and Fertility, vol.
It appears that abnormal T cells secrete lymphokine toxic to glomeruli.
Binding of IL-2 to the IL-2 receptor on T lymphocytes leads to cell proliferation, increased lymphokine secretion(IFNg, lymphotoxin, IL-4, IL-3, IL-5, GM-CSF), and enhanced expression of class II MHC molecules.
It affects the early phase of Tcell activation and inhibits lymphokine production.