Bioactivation of the tobacco carcinogens 4-aminobiphenyl (4-ABP) and 2-amino-9H-pyrido[2,3-b]indole (AαC) in human bladder RT4 cells

M Bellamri, L Yao, R Bonala, F Johnson… - Archives of …, 2019 - Springer
… ), perhaps due to their metabolism in RT4 cells. Therefore, … CYP2A13 expressed in the
bladder efficiently bioactivates 4-ABP to form DNA adducts. These data are consistent with human

Primary aromatic amines and cancer: Novel mechanistic insights using 4-aminobiphenyl as a model carcinogen

S Wang, D Hanna, KS Sugamori, DM Grant - Pharmacology & Therapeutics, 2019 - Elsevier
… , the bulk of this review focuses on NAT-mediated metabolism. NATs serve as a line of defense
by … For instance, dogs lack NAT expression in either liver or bladder, yet are still prone to …

[HTML][HTML] Genetic and enzymatic characteristics of CYP2A13 in relation to lung damage

R Vrzal - International Journal of Molecular Sciences, 2021 - mdpi.com
… for bladder cancer [17,44], the appropriate inhibition … CYP2A13 might stop the metabolism
of some aromatic amines from smoke (eg, 4-aminobiphenyl) that is metabolized by CYP2A13

Role of Human N‐Acetyltransferase 2 Genetic Polymorphism on Aromatic Amine Carcinogen‐Induced DNA Damage and Mutagenicity in a Chinese Hamster Ovary …

KJ Baldauf, RA Salazar‐González… - Environmental and …, 2020 - Wiley Online Library
… such as 4-aminobiphenyl (ABP) and 2-aminofluorene (AF) require metabolic activation to
form … For example, a recent report showed that CYP2A13 expressed in the urinary bladder

Mutagenicity of N‐hydroxy‐4aminobiphenyl in human TP53 knock‐in (Hupki) mouse embryo fibroblasts

L Hölzl‐Armstrong, JE Kucab, EP Zwart… - Environmental and …, 2021 - Wiley Online Library
… undergoes metabolic activation to N-hydroxy-4-aminobiphenyl … found in TP53 in human
bladder tumors the present study used … Data are expressed as the percentage of absorbance per …

CYP2A13 genetic polymorphisms in relation to the risk of bladder cancer in Japanese smokers

M Kumondai, H Hosono, K Orikasa, Y Arai… - Biological and …, 2016 - jstage.jst.go.jp
activated by the metabolic enzyme CYP2A13, are potent procarcinogens. Smoking plays a
role in carcinogenesis in the human bladder, which expresses CYP2A13Given that the risk …

Exposure and metabolic activation biomarkers of carcinogenic tobacco-specific nitrosamines

SS Hecht, I Stepanov, SG Carmella - Accounts of chemical …, 2016 - ACS Publications
… in human urine, the results of which are generally expressed … seriously pursue analysis of
human urine for NNN itself until … other carcinogens such as 4-aminobiphenyl, even though the …

Cytochromes P450: role in carcinogenesis and relevance to cancers

BH Tan, H Halim, S Ramli, Y Pan… - … Drug Metabolism, 2022 - ingentaconnect.com
… of NNK metabolites in the human urine has been linked to … of expressed CYP2A13 in human
lungs and the rates of NNK … : Novel mechanistic insights using 4aminobiphenyl as a model …

Targeted and untargeted detection of DNA adducts of aromatic amine carcinogens in human bladder by ultra-performance liquid chromatography-high-resolution …

J Guo, PW Villalta, CJ Weight, R Bonala… - Chemical research in …, 2018 - ACS Publications
… DNA adducts of 4-aminobiphenyl (4-ABP), a bladder carcinogen … Scheme of the metabolic
activation of 4-ABP leading to DNA … oxidation by P450 expressed in the bladder epithelium to …

Functional characterization of 9 CYP2A13 allelic variants by assessment of nicotine C-oxidation and coumarin 7-hydroxylation

M Kumondai, H Hosono, M Maekawa… - Drug Metabolism and …, 2018 - Elsevier
… that the presence of CYP2A13*2 was associated with a reduced risk for bladder cancer, …
In conclusion, wild-type and 8 CYP2A13 variants were expressed in 293FT cells and their …