[HTML][HTML] 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 …

Mass spectrometry for the assessment of the occurrence and biological consequences of DNA adducts

S Liu, Y Wang - Chemical Society Reviews, 2015 - pubs.rsc.org
Exogenous and endogenous sources of chemical species can react, directly or after
metabolic activation, with DNA to yield DNA adducts. If not repaired, DNA adducts may …

[HTML][HTML] NGAL is downregulated in oral squamous cell carcinoma and leads to increased survival, proliferation, migration and chemoresistance

J Monisha, NK Roy, G Padmavathi, K Banik, D Bordoloi… - Cancers, 2018 - mdpi.com
Oral cancer is a major public health burden worldwide. The lack of biomarkers for early
diagnosis has increased the difficulty in managing this disease. Recent studies have …

Application of a high-resolution mass-spectrometry-based DNA adductomics approach for identification of DNA adducts in complex mixtures

S Balbo, SS Hecht, P Upadhyaya… - Analytical chemistry, 2014 - ACS Publications
Liquid chromatography coupled with mass spectrometry (LC-MS) is the method of choice for
analysis of covalent modification of DNA. DNA adductomics is an extension of this approach …

Screening for DNA Alkylation Mono and Cross-Linked Adducts with a Comprehensive LC-MS3 Adductomic Approach

A Stornetta, PW Villalta, SS Hecht, SJ Sturla… - Analytical …, 2015 - ACS Publications
A high-resolution/accurate-mass DNA adductomic approach was developed to investigate
anticipated and unknown DNA adducts induced by DNA alkylating agents in biological …

Dissection of cancer mutational signatures with individual components of cigarette smoking

C Mingard, JND Battey, V Takhaveev… - Chemical Research …, 2023 - ACS Publications
Tobacco smoke delivers a complex mixture of hazardous and potentially hazardous
chemicals. Some of these may induce the formation of DNA mutations, which increases the …

Context matters: contribution of specific DNA adducts to the genotoxic properties of the tobacco-specific nitrosamine NNK

LA Peterson - Chemical research in toxicology, 2017 - ACS Publications
The tobacco-specific nitrosamine 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) is a
potent pulmonary carcinogen in laboratory animals. It is classified as a Group 1 human …

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 …

Formation and accumulation of pyridyloxobutyl DNA adducts in F344 rats chronically treated with 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone and enantiomers of …

Y Lao, N Yu, F Kassie, PW Villalta… - Chemical research in …, 2007 - ACS Publications
4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK, 1) and its metabolite, 4-
(methylnitrosamino)-1-(3-pyridyl)-1-butanol (NNAL, 2) are both potent pulmonary …

Formation, repair, and genotoxic properties of bulky DNA adducts formed from tobacco‐specific nitrosamines

LA Peterson - Journal of nucleic acids, 2010 - Wiley Online Library
4‐(Methylnitrosamino)‐1‐(3‐pyridyl)‐1‐butanone (NNK) and N′‐nitrosonornicotine (NNN)
are tobacco‐specific nitrosamines present in tobacco products and smoke. Both compounds …