Mechanisms of cancer induction by tobacco-specific NNK and NNN

J Xue, S Yang, S Seng - Cancers, 2014 - mdpi.com
Tobacco use is a major public health problem worldwide. Tobacco-related cancers cause
millions of deaths annually. Although several tobacco agents play a role in the development …

O6-Methylguanine-DNA methyltransferase (MGMT) in normal tissues and tumors: enzyme activity, promoter methylation and immunohistochemistry

M Christmann, B Verbeek, WP Roos, B Kaina - Biochimica et Biophysica …, 2011 - Elsevier
O6-Methylguanine-DNA methyltransferase (MGMT) is a suicide enzyme that repairs the pre-
mutagenic, pre-carcinogenic and pre-toxic DNA damage O6-methylguanine. It also repairs …

Aldehydes are the predominant forces inducing DNA damage and inhibiting DNA repair in tobacco smoke carcinogenesis

M Weng, HW Lee, SH Park, Y Hu… - Proceedings of the …, 2018 - National Acad Sciences
Tobacco smoke (TS) contains numerous cancer-causing agents, with polycyclic aromatic
hydrocarbons (PAHs) and nitrosamines being most frequently cited as the major TS human …

DNA alkylation damage by nitrosamines and relevant DNA repair pathways

J Fahrer, M Christmann - International journal of molecular sciences, 2023 - mdpi.com
Nitrosamines occur widespread in food, drinking water, cosmetics, as well as tobacco smoke
and can arise endogenously. More recently, nitrosamines have been detected as impurities …

IARC monographs on the evaluation of carcinogenic risks to humans

AJ Zuckerman - Journal of Clinical Pathology, 1995 - ncbi.nlm.nih.gov
Viral hepatitis in all its forms is a major public health problem throughout the world, affecting
several hundreds of millions of people. Viral hepatitis is a cause of considerable morbidity …

Formation and repair of tobacco carcinogen‐derived bulky DNA adducts

B Hang - Journal of nucleic acids, 2010 - Wiley Online Library
DNA adducts play a central role in chemical carcinogenesis. The analysis of formation and
repair of smoking‐related DNA adducts remains particularly challenging as both smokers …

Translesion synthesis across O6-alkylguanine DNA adducts by recombinant human DNA polymerases

JY Choi, G Chowdhury, H Zang, KC Angel… - Journal of Biological …, 2006 - ASBMB
Previous studies have shown that replicative bacterial and viral DNA polymerases are able
to bypass the mutagenic lesions O 6-methyl and-benzyl (Bz) G. Recombinant human …

Identification of formaldehyde-induced DNA–RNA cross-links in the A/J mouse lung tumorigenesis model

RP Dator, KJ Murray, MW Luedtke… - Chemical research in …, 2022 - ACS Publications
4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) is a potent lung carcinogen present in
tobacco products, and exposure to it is likely one of the factors contributing to the …

Creating context for the use of DNA adduct data in cancer risk assessment: II. Overview of methods of identification and quantitation of DNA damage

MW Himmelstein, PJ Boogaard, J Cadet… - Critical reviews in …, 2009 - Taylor & Francis
The formation of deoxyribonucleic acid (DNA) adducts can have important and adverse
consequences for cellular and whole organism function. Available methods for identification …

Quantitation of pyridyloxobutyl DNA adducts of tobacco-specific nitrosamines in rat tissue DNA by high-performance liquid chromatography− electrospray ionization …

Y Lao, PW Villalta, SJ Sturla, M Wang… - Chemical research in …, 2006 - ACS Publications
The tobacco-specific nitrosamines N '-nitrosonornicotine (NNN, 1) and 4-
(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK, 2) are potent carcinogens in rodents …