cultured human endothelial cells ( ec ) , dermal fibroblasts ( df ) , and blood monocytes were compared for their effects on il-2 concentration measured in the medium of both unfractionated peripheral blood mononuclear cells ( pbmc ) and highly enriched cd4+ t cell populations maximally stimulated by the polyclonal mitogen phytohemagglutinin ( pha ) .
C0086418
human
C0021756
il-2