Human extrahepatic cytochromes P450: function in xenobiotic metabolism and tissue-selective chemical toxicity in the respiratory and gastrointestinal tracts

X Ding, LS Kaminsky - Annual review of pharmacology and …, 2003 - annualreviews.org
Cytochrome P450 (CYP) enzymes in extrahepatic tissues often play a dominant role in
target tissue metabolic activation of xenobiotic compounds. They may also determine drug …

Pharmacogenetics of the major polymorphic metabolizing enzymes

AK Daly - Fundamental & clinical pharmacology, 2003 - Wiley Online Library
There is increasing information available on the existence of polymorphisms in genes
encoding xenobiotic metabolizing enzymes and the functional significance of many of these …

Molecular classification of familial non-BRCA1/BRCA2 breast cancer

I Hedenfalk, M Ringnér, A Ben-Dor… - Proceedings of the …, 2003 - National Acad Sciences
In the decade since their discovery, the two major breast cancer susceptibility genes BRCA1
and BRCA2, have been shown conclusively to be involved in a significant fraction of families …

Methylation of cytochrome P4501A1 promoter in the lung is associated with tobacco smoking

S Anttila, J Hakkola, P Tuominen, E Elovaara… - Cancer research, 2003 - AACR
Abstract Cytochrome P4501A1 (CYP1A1), which is involved in the metabolic activation of
polycyclic aromatic hydrocarbon procarcinogens derived from tobacco smoke, is induced in …

Pooled analysis of the CYP1A1 exon 7 polymorphism and lung cancer (United States)

L Le Marchand, C Guo, S Benhamou… - Cancer Causes & …, 2003 - Springer
Abstract Objective: Cytochrome P450 1A1 plays a major role in the bioactivation of a number
of tobacco procarcinogens. Much interest has focused on a polymorphism in exon 7 of the …

Regulation of CYP3A5 by glucocorticoids and cigarette smoke in human lung-derived cells

J Hukkanen, T Väisänen, A Lassila, R Piipari… - … of Pharmacology and …, 2003 - ASPET
CYP3A5 is the major CYP3A form in the human lung, and it is inducible by dexamethasone
in the human A549 lung adenocarcinoma cell line. In the present study, we characterized …

Biotransformation of 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) in peripheral human lung microsomes

GBJ Smith, JR Bend, LL Bedard, KR Reid… - Drug metabolism and …, 2003 - ASPET
The contributions of different enzymes to 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone
(NNK) biotransformation were assessed in human lung microsomes prepared from …

Quantitative analysis of the Ah receptor/cytochrome P450 CYP1B1/CYP1A1 signalling pathway

MCE McFadyen, PH Rooney, WT Melvin… - Biochemical …, 2003 - Elsevier
Cytochrome P450 (CYP) drug metabolising enzymes CYP1A1 and CYP1B1 are regulated
through the ligand-activated aryl hydrocarbon (Ah) receptor. Differential expression of …

Immunochemical analysis of cytochrome P450 variability in human leukapheresed samples and its consequences for the risk assessment process

U Bernauer, H Garritsen, B Heinrich-Hirsch… - Regulatory Toxicology …, 2003 - Elsevier
Xenobiotic metabolizing Cytochrome P450 (P450) enzymes were investigated in
leukapheresed samples from 50 human individuals. It was the aim of the study (a) to get …

Polymorphisms in drug-metabolizing genes and risk of head and neck squamous cell carcinoma

B Roy, N Sikdar - International Journal of Human Genetics, 2003 - Taylor & Francis
One kind of defense mechanism against development of cancer involves activities of a
series of enzymes that metabolize and excrete potentially toxic compounds and repair subtle …