2000
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
1989
Glucocorticoid regulation of the rat cytochrome P450c (P450IA1) gene: Receptor binding within intron I
Mathis J, Houser W, Bresnick E, Cidlowski J, Hines R, Prough R, Simpson E. Glucocorticoid regulation of the rat cytochrome P450c (P450IA1) gene: Receptor binding within intron I. Archives Of Biochemistry And Biophysics 1989, 269: 93-105. PMID: 2916850, DOI: 10.1016/0003-9861(89)90090-8.Peer-Reviewed Original ResearchConceptsGlucocorticoid receptorConcentrations of dexamethasoneUntreated cellsMRNA contentFetal rat hepatocytesHalf-maximal increaseAddition of dexamethasonePresence of dexamethasoneCultured fetal rat hepatocytesGlucocorticoid-responsive elementRat hepatocytesDexamethasoneCytochrome P450cGlucocorticoid regulationHepG2 hepatoma cellsGlucocorticoidsAcetyltransferase activityHepatic cytochromeChloramphenicol acetyltransferase activityReceptorsNorthern blot analysisBlot analysisHepatoma cellsReceptor fraction
1988
Induction of cytochrome P-450IA1 gene expression in human breast tumour cell lines
Pasanen M, Stacey S, Lykkesfeldt A, Briand P, Hines R, Autrup H. Induction of cytochrome P-450IA1 gene expression in human breast tumour cell lines. Chemico-Biological Interactions 1988, 66: 223-232. PMID: 2456161, DOI: 10.1016/0009-2797(88)90073-7.Peer-Reviewed Original ResearchConceptsBreast tumor cell linesHuman breast tumor cell linesTumor cell linesTCDD treatmentCell linesDifferent breast tumor cell linesConcentrations of TCDDZR-75BT-20Cytochrome P-450IA1NM TCDDCAMA-1Basal expression levelsControl cellsExpression levelsMCF-7Northern blot analysisBlot analysisTCDDTreatmentTotal RNAP-450IA1TCDD inductionDiol metabolitesInduction
1985
3-Methylcholanthrene-induced expression of the cytochrome P-450c gene
Foldes R, Hines R, Ho K, Shen M, Nagel K, Bresnick E. 3-Methylcholanthrene-induced expression of the cytochrome P-450c gene. Archives Of Biochemistry And Biophysics 1985, 239: 137-146. PMID: 4004253, DOI: 10.1016/0003-9861(85)90820-3.Peer-Reviewed Original ResearchConceptsNuclear RNA speciesCytochrome P-450c mRNARNA speciesCytochrome P-450c geneP-450c geneClone 46Nuclear transcription systemNuclear RNA precursorsNuclear RNA transportRat serum albumin geneDot hybridization experimentsSerum albumin geneNorthern blot analysisTranscriptional controlRNA transportRNA precursorsNuclear RNARegulation of inductionHybridization experimentsTranscription systemM13 subclonesAlbumin geneCytochrome P-450cRNA inductionSpecies