Oxidation of benzo [a] pyrene by recombinant human cytochrome P450 enzymes

E Bauer, Z Guo, YF Ueng, LC Bell… - Chemical research in …, 1995 - ACS Publications
The oxidationof benzo [o] pyrene (B [o] P) was examined using reconstituted systems prepared
with recombinant human cytochromeP450 (P450) enzymes 1A1, 1A2, 2C8, 2C10, 2E1, …

Expression of cytochrome P450 2D6 in Escherichia coli, purification, and spectral and catalytic characterization

EMJ Gillam, ZY Guo, MV Martin, CM Jenkins… - Archives of Biochemistry …, 1995 - Elsevier
Cytochrome P450 (P450) 2D6 is the classic human liver debrisoquine 4-hydroxylase, the first
human P450 for which genetic polymorphism was clearly demonstrated. We prepared 11 …

Effects of phenethyl isothiocyanate, a carcinogenesis inhibitor, on xenobiotic-metabolizing enzymes and nitrosamine metabolism in rats

Z Guo, TJ Smith, E Wang, N Sadrieh, Q Ma… - …, 1992 - academic.oup.com
Phenethyl isothiocyanate (PEITC), a constituent of cruciferous vegetables, has been shown
to inhibit chemical carcinogenesis, possibly due to its ability to block the activation or to …

Impact of various factors on radioactivity distribution in different DBS papers

X Ren, T Paehler, M Zimmer, Z Guo, P Zane… - Bioanalysis, 2010 - Future Science
Background: Dried blood spot (DBS) sampling could potentially become the preferred blood
collection technique in toxicological and clinical studies. Autoradiography was performed to …

Aryl acetylenes as mechanism-based inhibitors of cytochrome P450-dependent monooxygenase enzymes

M Foroozesh, G Primrose, Z Guo, LC Bell… - Chemical research in …, 1997 - ACS Publications
Aryl acetylenes have been investigated as inhibitors of cytochrome P450 (P450)-dependent
alkoxyresorufin dealkylation activities in liver microsomes prepared from rats exposed to β-…

Metabolism of 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) by human cytochrome P450 1A2 and its inhibition by phenethyl isothiocyanate

TJ Smith, Z Guo, FP Guengerich, CS Yang - 1996 - academic.oup.com
4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) is a potent tobacco-specific nitrosamine
in animals and has been suggested to play a role in human tobacco-related cancers. Our …

Orphenadrine and methimazole inhibit multiple cytochrome P450 enzymes in human liver microsomes

Z Guo, S Raeissi, RB White, JC Stevens - Drug metabolism and disposition, 1997 - ASPET
The specificities of orphenadrine and methimazole on eight human liver P450 enzyme
activities were evaluated by studying the extent of inhibition at different concentrations in two …

Metabolism of 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone in human lung and liver microsomes and cytochromes P-450 expressed in hepatoma cells

TJ Smith, Z Guo, FJ Gonzalez, FP Guengerich… - Cancer research, 1992 - AACR
4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), a potent tobacco-specific carcinogen
in animals, has been linked to tobacco-related cancers in humans. The cytochrome(s) P-…

[PDF][PDF] Bufuralol hydroxylation by cytochrome P450 2D6 and 1A2 enzymes in human liver microsomes.

H Yamazaki, Z Guo, M Persmark, M Mimura… - Molecular …, 1994 - Citeseer
Bufuralol 1 ‘-hydroxylation is a prototypical reaction catalyzed by cytochrome P450 (P450)
2D6, an enzyme known to show debrisoquine/sparteine-type genetic polymorphism in …

Structure-activity relationships of arylalkyl isothiocyanates for the inhibition of 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone metabolism and the modulation of …

Z Guo, TJ Smith, E Wang, KI Eklind, FL Chung… - …, 1993 - academic.oup.com
Many arylalkyl isothiocyanates are potent inhibitors of 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone
(NNK)-induced lung tumorigenesis in rats and mice. In the mouse, 4-phenylbutyl …