QSAR screening of 70,983 REACH substances for genotoxic carcinogenicity, mutagenicity and developmental toxicity in the ChemScreen project

Reproductive Toxicology
Eva B WedebyeJay R Niemelä

Abstract

The ChemScreen project aimed to develop a screening system for reproductive toxicity based on alternative methods. QSARs can, if adequate, contribute to the evaluation of chemical substances under REACH and may in some cases be applied instead of experimental testing to fill data gaps for information requirements. As no testing for reproductive effects should be performed in REACH on known genotoxic carcinogens or germ cell mutagens with appropriate risk management measures implemented, a QSAR pre-screen for 70,983 REACH substances was performed. Sixteen models and three decision algorithms were used to reach overall predictions of substances with potential effects with the following result: 6.5% genotoxic carcinogens, 16.3% mutagens, 11.5% developmental toxicants. These results are similar to findings in earlier QSAR and experimental studies of chemical inventories, and illustrate how QSAR predictions may be used to identify potential genotoxic carcinogens, mutagens and developmental toxicants by high-throughput virtual screening.

References

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Citations

May 19, 2020·Toxicology and Environmental Health Sciences·Kyung-Taek Rim
May 11, 2018·Drug and Chemical Toxicology·Eyyüp Rencüzoğulları, Muhsin Aydın
May 19, 2020·Environmental Science & Technology·Xianming ZhangDerek C G Muir
Jul 3, 2021·International Journal of Environmental Research and Public Health·Roberto Cazzolla Gatti

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