Immunology. a lymphokine protein, secreted by T cells in response to antigen and interleukin 1, that stimulates the proliferation of T cells.
Pharmacology. a form of this protein produced by genetic engineering and used experimentally in immunotherapy. Abbreviation: IL-2
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Origin of interleukin 2
First recorded in 1980–85; see origin at interleukin 1
Words nearby interleukin 2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Medical definitions for interleukin 2
A lymphokine that is released by helper T cells in response to an antigen and interleukin-1 and stimulates the proliferation of helper T cells.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.