Genotoxicity assessment: opportunities, challenges and perspectives for quantitative evaluations of dose–response data

J Menz, ME Götz, U Gündel, R Gürtler, K Herrmann… - Archives of …, 2023 - Springer
Genotoxicity data are mainly interpreted in a qualitative way, which typically results in a
binary classification of chemical entities. For more than a decade, there has been a …

[HTML][HTML] Antimony and its compounds: Health impacts related to pulmonary toxicity, cancer, and genotoxicity

CJ Boreiko, TG Rossman - Toxicology and Applied Pharmacology, 2020 - Elsevier
Although occupational exposure to antimony and its compounds can produce pulmonary
toxicity, human carcinogenic impacts have not been observed. Inhalation studies with …

Discovery of Risdiplam, a Selective Survival of Motor Neuron-2 (SMN2) Gene Splicing Modifier for the Treatment of Spinal Muscular Atrophy (SMA)

H Ratni, M Ebeling, J Baird, S Bendels, J Bylund… - 2018 - ACS Publications
SMA is an inherited disease that leads to loss of motor function and ambulation and a
reduced life expectancy. We have been working to develop orally administrated …

Pyrrolizidine alkaloids in food and phytomedicine: Occurrence, exposure, toxicity, mechanisms, and risk assessment-A review

D Schrenk, L Gao, G Lin, C Mahony, PPJ Mulder… - Food and Chemical …, 2020 - Elsevier
Among naturally occurring plant constituents, the 1, 2-unsaturated pyrrolizidine alkaloids (in
the following termed 'PAs') play a distinct role because of the large number of congeners …

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 …

Dose-response for assessing the cancer risk of inorganic arsenic in drinking water: the scientific basis for use of a threshold approach

JS Tsuji, ET Chang, PR Gentry, HJ Clewell… - Critical reviews in …, 2019 - Taylor & Francis
The biologic effects of inorganic arsenic predominantly involve reaction of the trivalent forms
with sulfhydryl groups in critical proteins in target cells, potentially leading to various …

Permitted daily exposure limits for noteworthy N‐nitrosamines

GE Johnson, K Dobo, B Gollapudi… - Environmental and …, 2021 - Wiley Online Library
A genotoxic carcinogen, N‐nitrosodimethylamine (NDMA), was detected as a synthesis
impurity in some valsartan drugs in 2018, and other N‐nitrosamines, such as N …

Relative potency of fifteen pyrrolizidine alkaloids to induce DNA damage as measured by micronucleus induction in HepaRG human liver cells

A Allemang, C Mahony, C Lester, S Pfuhler - Food and chemical toxicology, 2018 - Elsevier
Abstract Plant-based 1, 2-unsaturated Pyrrolizidine Alkaloids (PAs) can be found as
contaminants in foods like teas, herbs and honey. PAs are responsible for liver genotoxicity …

[HTML][HTML] IWGT report on quantitative approaches to genotoxicity risk assessment I. Methods and metrics for defining exposure–response relationships and points of …

JT MacGregor, R Frötschl, PA White, KS Crump… - … /Genetic Toxicology and …, 2015 - Elsevier
This report summarizes the discussion, conclusions, and points of consensus of the IWGT
Working Group on Quantitative Approaches to Genetic Toxicology Risk Assessment (QWG) …

Quantitative interpretation of genetic toxicity dose‐response data for risk assessment and regulatory decision‐making: current status and emerging priorities

PA White, AS Long, GE Johnson - Environmental and Molecular …, 2020 - Wiley Online Library
The screen‐and‐bin approach for interpretation of genotoxicity data is predicated on three
false assumptions: that genotoxicants are rare, that genotoxicity dose–response functions do …