on stimulation with lipopolysaccharide ( lps ) , normal human macrophages ( m phi ) and endothelial cells ( ec ) produced factors which inhibited interleukin 2 ( il-2 ) -dependent lymphocyte proliferation and pha plus interleukin 1 ( il-1 ) -dependent mouse thymocyte proliferation but not il-1-dependent human fibroblast proliferation , suggesting that they were inhibitors of the il-2 response .
C0021756
interleukin 2
C0086418
human