Diflubenzuron, a Benzoyl-Urea Insecticide, Is a Potent Inhibitor of TCDD-Induced CYP1A1 Expression in HepG2 Cells
Ledirac N, Delescluse C, Lesca P, Piechocki M, Hines R, de Sousa G, Pralavorio M, Rahmani R. Diflubenzuron, a Benzoyl-Urea Insecticide, Is a Potent Inhibitor of TCDD-Induced CYP1A1 Expression in HepG2 Cells. Toxicology And Applied Pharmacology 2000, 164: 273-279. PMID: 10799337, DOI: 10.1006/taap.2000.8920.Peer-Reviewed Original ResearchConceptsCYP1A1 expressionEthoxyresorufin-O-deethylase (EROD) activityHepG2 cellsStrong dose-dependent decreaseDose-dependent decreaseB16 murine melanomaHuman hepatoma cells HepG2Receptor antagonismTreatment of HepG2Hepatoma cells HepG2Human CYP1A1 promoterParental HepG2 cellsCYP1A1 inducerNoncytotoxic concentrationsMurine melanomaChloramphenicol acetyltransferase (CAT) reporter geneAdditional studiesCYP1A1 inductionNorthern blot analysisCell linesBlot analysisSynthesis inhibitorH exposurePotent inhibitorAh receptor