Participation of Ca2+/calmodulin during activation of rat neutrophils by polychlorinated biphenyls11Abbreviations: PCB, polychlorinated biphenyl; PLA2, phospholipase A2; iPLA2, calcium-independent PLA2; BEL, (E)-6-(bromomethylene)tetrahydro-3-(1-naphthalenyl)-2H-pyran-2-one; TFP, trifluoperazine; Ah, aryl hydrocarbon; TCDD, 2,3,7,8-tetrachlorodibenzo-p-dioxin; fMLP, formylmethionyl-leucyl-phenylalanine; TKs, tyrosine kinases; PLC, phospholipase C; AA, arachidonic acid; TMB-8, 8-(N,N-diethylamino)octyl-3,4,5-trimethoxybenzoate; W7, N-(6-aminohexyl)-5-chloro-1-naphthalenesulfonamide CMDZ, calmidazolium, HBSS, Hanks’ balanced salt solution; DMF, N,N-dimethylformamide; and MPO, myeloperoxidase.