Mode of action-based risk assessment of genotoxic carcinogens

A Hartwig, M Arand, B Epe, S Guth, G Jahnke… - Archives of …, 2020 - Springer
The risk assessment of chemical carcinogens is one major task in toxicology. Even though
exposure has been mitigated effectively during the last decades, low levels of carcinogenic …

Thresholds of genotoxic and non-genotoxic carcinogens

T Nohmi - Toxicological research, 2018 - Springer
Exposure to chemical agents is an inevitable consequence of modern society; some of these
agents are hazardous to human health. The effects of chemical carcinogens are of great …

Scientific opinion on genotoxicity testing strategies applicable to food and feed safety assessment

EFSA Scientific Committee - EFSA Journal, 2011 - Wiley Online Library
Abstract The Scientific Committee reviewed the current state‐of‐the‐science on genotoxicity
testing and provided a commentary and recommendations on genotoxicity testing strategies …

Derivation of point of departure (PoD) estimates in genetic toxicology studies and their potential applications in risk assessment

GE Johnson, LG Soeteman‐Hernández… - Environmental and …, 2014 - Wiley Online Library
Genetic toxicology data have traditionally been employed for qualitative, rather than
quantitative evaluations of hazard. As a continuation of our earlier report that analyzed ethyl …

Mutation as a toxicological endpoint for regulatory decision‐making

RH Heflich, GE Johnson, A Zeller… - Environmental and …, 2020 - Wiley Online Library
Mutations induced in somatic cells and germ cells are responsible for a variety of human
diseases, and mutation per se has been considered an adverse health concern since the …

Complete Protection against Aflatoxin B1-Induced Liver Cancer with a Triterpenoid: DNA Adduct Dosimetry, Molecular Signature, and Genotoxicity Threshold

NM Johnson, PA Egner, VK Baxter, MB Sporn… - Cancer prevention …, 2014 - AACR
In experimental animals and humans, aflatoxin B1 (AFB1) is a potent hepatic toxin and
carcinogen. The synthetic oleanane triterpenoid 1-[2-cyano-3-, 12-dioxooleana-1, 9 (11) …

Risk assessment of isoeugenol in food based on benchmark dose—Response modeling

T Quentin, H Franke, DW Lachenmeier - Toxics, 2023 - mdpi.com
Isoeugenol has recently been evaluated as possibly carcinogenic (Group 2B) by the WHO
International Agency for Research on Cancer (IARC). In light of this evaluation, an updated …

BPDE-induced genotoxicity: relationship between DNA adducts, mutagenicity in the in vitro PIG-A assay, and the transcriptional response to DNA damage in TK6 cells

AL Piberger, CT Krüger, BM Strauch, B Schneider… - Archives of …, 2018 - Springer
Benzo [a] pyrene is a known human carcinogen. As underlying mechanism, the induction of
stable DNA adducts and mutations have been repeatedly demonstrated. Also, the activation …

In vivo positive mutagenicity of 1, 4-dioxane and quantitative analysis of its mutagenicity and carcinogenicity in rats

M Gi, M Fujioka, A Kakehashi, T Okuno… - Archives of …, 2018 - Springer
Dioxane is a widely used synthetic industrial chemical and its contamination of drinking
water and food is a potential health concern. It induces liver tumors when administered in …

Cocaine induces DNA damage in distinct brain areas of female rats under different hormonal conditions

MF de Souza, TA Gonçales, A Steinmetz… - Clinical and …, 2014 - Wiley Online Library
We evaluated levels of neuronal DNA damage after acute or repeated cocaine treatment in
different brain areas of female rats after ovariectomy or sham surgery. Rats in the control and …