interleukin 2


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

Nearby words

  1. interleague,
  2. interleave,
  3. interleaving,
  4. interleukin,
  5. interleukin 1,
  6. interleukin 3,
  7. interleukin-1,
  8. interleukin-2,
  9. interleukin-3,
  10. interlibrary loan

Compare LAK cell.

Origin of interleukin 2

First recorded in 1980–85; see origin at interleukin 1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine 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.