interleukin 2
Americannoun
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Immunology. a lymphokine protein, secreted by T cells in response to antigen and interleukin 1, that stimulates the proliferation of T cells.
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Pharmacology. a form of this protein produced by genetic engineering and used experimentally in immunotherapy. IL-2
Etymology
Origin of interleukin 2
First recorded in 1980–85; see origin at interleukin 1
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