NCIt definition : Interleukin-3 (152 aa, 17 kDa) is encoded by the human IL3 gene. This protein plays
a role in neurotrophic activity and the proliferation of several types of hematopoietic
lineage cells.;
Alternative definition : NCI-GLOSS: One of a group of related proteins made by leukocytes (white blood cells)
and other cells in the body. IL-3 is made mainly by a type of T lymphocyte. It increases
the number of blood cells made by the bone marrow. IL-3 made in the laboratory is
used as a biological response modifier to boost the immune system in cancer therapy.
IL-3 is a type of cytokine.;
Codes from synonyms : CDR0000044419; CDR0000045150;