Tryphostin AG879, a tyrosine kinase inhibitor: prevention of transcriptional activation of the electrophile and the aromatic hydrocarbon response elements11Abbreviations: EPRE, electrophile response element; AHRE, aromatic hydrocarbon response element; MRE, metal response element; Nqo1 and NQO1, mouse NAD(P)H:quinone oxidoreductase [also called NMO1, quinone reductase, DT-diaphorase] gene and mRNA; Cyp1a1 and CYP1A1, mouse cytochrome P450 1A1 gene and mRNA; Mt1 and MT1, mouse metallothionein-1 gene and mRNA; Sod, mouse Cu,Zn-superoxide dismutase gene; SOD, rat Cu,Zn-superoxide dismutase gene; SOD, mouse and rat Cu,Zn-superoxide dismutase mRNA and protein; Luc and LUC, firefly luciferase gene and enzyme; BGAL, β-galactosidase enzyme activity; tBHQ, tert-butylhydroquinone; dioxin (also TCDD), 2,3,7,8-tetrahydro chlorodibenzo-p-dioxin; SSC, standard sodium citrate; and SET, sodium ethylenediamine tetraacetic acid (EDTA) Tris buffer.