interleukin-3(redirected from Interleukin 3)
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A cytokine produced by a subset of helper T cells as well as by nonlymphoid cells; it is a growth factor for multiple lineages of hematopoietic cells and can act as an immunoregulatory factor. Abbreviated IL-3.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.