- 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
Compare LAK cell.
Origin of interleukin 2
First recorded in 1980–85; see origin at interleukin 1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018