passages.id: split_1_test_2012_passage
passages.type: progene_text
passages.text: Furthermore , LPS - induced IL-6 synthesis was inhibited by curcumin ( an inhibitor of activating protein-1 [ AP-1 ] ) but not by pyrrolidine dithiocarbamate ( PDTC ) ( an inhibitor of nuclear factor kappa B [ NF-kappaB ] ) .