Comparative studies on the effects of green tea extracts and individual tea catechins on human CYP1A gene expression

Chemico-Biological Interactions

Volumn 128, Issue 3, 2000, Pages 211-229

  Williams, Susanne N ^a   Shih, Hsueh ^a   Guenette, Denis K ^a   Brackney, William ^b   Denison, Michael S ^b   Pickwell, George V ^a   Quattrochi, Linda C ^a  

^a UNIVERSITY OF COLORADO   (United States)

^b UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Aryl hydrocarbon receptor; CYP1A; Flavonoids; Green tea; HepG2; Human hepatocytes

Indexed keywords

2,3,7,8 TETRACHLORODIBENZO PARA DIOXIN; AROMATIC HYDROCARBON; AROMATIC HYDROCARBON RECEPTOR; CATECHIN; EPICATECHIN; EPICATECHIN GALLATE; EPIGALLOCATECHIN; EPIGALLOCATECHIN GALLATE; ETHOXYRESORUFIN DEETHYLASE; MESSENGER RNA; PHENACETIN O DEETHYLASE;

ANALYTIC METHOD; ANIMAL CELL; ANTINEOPLASTIC ACTIVITY; ARTICLE; BIOACCUMULATION; CELL STRAIN HEPG2; CONCENTRATION RESPONSE; CONTROLLED STUDY; DNA BINDING; DRUG EFFECT; DRUG MIXTURE; DRUG POTENTIATION; DRUG SCREENING; GENE EXPRESSION REGULATION; GUINEA PIG; HUMAN; HUMAN CELL; LIVER CELL; LIVER CYTOSOL; MALE; NONHUMAN; PROTEIN EXPRESSION; REPORTER GENE; TEA; TRANSCRIPTION REGULATION;

ANIMALS; CARCINOMA, HEPATOCELLULAR; CATECHIN; CYTOCHROME P-450 CYP1A1; DNA; GENE EXPRESSION; GUINEA PIGS; HUMANS; LIVER; LIVER NEOPLASMS; MALE; MICE; PLANT EXTRACTS; RECEPTORS, ARYL HYDROCARBON; RNA, MESSENGER; TEA; TETRACHLORODIBENZODIOXIN; TUMOR CELLS, CULTURED;

ANIMALIA; CAVIA PORCELLUS; SUS SCROFA;

EID: 0034327170     PISSN: 00092797     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0009-2797(00)00204-0     Document Type: Article

References (33)

1. Effects of tea on carcinogenesis in animal models and humans
2. Japanese green tea as a cancer preventive in humans
3. Polyphenols as cancer chemopreventive agents
4. Cancer chemoprevention by polyphenols in green tea and artichoke
5. Role of human cytochromes P450 in the metabolic activation of chemical carcinogens and toxins
6. Metabolism of 2-acetylaminofluorene, benzo[a]pyrene and the activation of food derived heterocyclic amine mutagens by human cytochromes P450
7. Xenobiotic-inducible transcription of cytochrome P450 genes
8. Effect of curcumin on the aryl hydrocarbon receptor and cytochrome P4501A1 in MCF-7 human breast carcinoma cells
9. Dietary flavonols quercetin and kaempferol are ligands of the aryl hydrocarbon receptor that affect CYP1A1 transcription differentially
10. Inhibition of aryl hydrocarbon-induced cytochrome P-450 1A1 enzyme activity and CYP1A1 expression by resveratrol
11. Resveratrol has antagonist activity on the aryl hydrocarbon receptor: Implications for prevention of dioxin toxicity
12. Species differences in hepatocyte induction of CYP1A1 and CYP1A2 by omeprazole
13. Rapid colorimetric assay for cell growth and survival
14. Single-step method of RNA isolation by acid guanidinium thiocyanate-phenol-chloroform extraction
15. Cloning and isolation of human cytochrome P-450 cDNAs homologous to dioxin-inducible rabbit mRNAs encoding P-450 4 and P-450 6
16. Human cytochrome P-450 4 mRNA and gene: Part of a multigene family that contains Alu sequences in its mRNA
17. Response of human CYP1-luciferase plasmids to 2,3,7,8-tetrachlorodibenzo-p-dioxin and polycyclic aromatic hydrocarbons
18. Inducible, receptor-dependent protein-DNA interactions at a dioxin-responsive transcriptional enhancer
19. The DNA recognition site for the dioxin-Ah receptor complex. Nucleotide sequence and functional analysis
20. Structure and function of the Ah receptor for 2,3,7,8-tetrachlorodibenzo-p-dioxin: Species difference in molecular properties of the receptors from mouse and rat hepatic cytosols
21. A rapid and sensitive method for the quantitation of microgram quantities of protein utilizing the principle of protein-dye binding
22. DNA binding of the transformed guinea pig hepatic Ah receptor complex: Identification and partial characterization of two high-affinity DNA-binding forms
23. Characterization of the interaction of transformed rat hepatic cytosolic Ah receptor with a dioxin responsive transcriptional enhancer
24. Species-specific binding of transformed Ah receptor to a dioxin responsive transcriptional enhancer
25. Ah receptor-based chemical screening bioassays: Application and limitations for the detection of Ah receptor agonists
26. Marked antimutagenic potential of aqueous green tea extracts: Mechanism of action
27. Effects of chemoprotective agents on the metabolic activation of the carcinogenic arylamines PhIP and 4-aminobiphenyl in human and rat liver microsomes
28. Inhibition of 7-ethoxycoumarin O-deethylase activity in rat liver microsomes by naturally occurring flavonoids: Structure-activity relationships
29. Competitive behavior in the interactive toxicology of halogenated aromatic compounds
30. Blood and urine levels of tea catechins after ingestion of different amounts of green tea by human volunteers
31. Relationship between rate and extent of catechin absorption and plasma antioxidant status
32. 3H](-)-epigallocatechin gallate, a cancer preventive tea polyphenol, in mouse tissue
33. Absorption, distribution, and elimination of tea polyphenols in rats