The Cosmetics Europe strategy for animal-free genotoxicity testing: Project status up-date

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Abstract

The Cosmetics Europe (formerly COLIPA) Genotoxicity Task Force has driven and funded three projects to help address the high rate of misleading positives in in vitro genotoxicity tests:. The completed "False Positives" project optimized current mammalian cell assays and showed that the predictive capacity of the in vitro micronucleus assay was improved dramatically by selecting more relevant cells and more sensitive toxicity measures.The on-going "3D skin model" project has been developed and is now validating the use of human reconstructed skin (RS) models in combination with the micronucleus (MN) and Comet assays. These models better reflect the in use conditions of dermally applied products, such as cosmetics. Both assays have demonstrated good inter- and intra-laboratory reproducibility and are entering validation stages.The completed "Metabolism" project investigated enzyme capacities of human skin and RS models. The RS models were shown to have comparable metabolic capacity to native human skin, confirming their usefulness for testing of compounds with dermal exposure.The program has already helped to improve the initial test battery predictivity and the RS projects have provided sound support for their use as a follow-up test in the assessment of the genotoxic hazard of cosmetic ingredients in the absence of in vivo data. © 2013 Elsevier Ltd.

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Pfuhler, S., Fautz, R., Ouedraogo, G., Latil, A., Kenny, J., Moore, C., … Barroso, J. (2014). The Cosmetics Europe strategy for animal-free genotoxicity testing: Project status up-date. Toxicology in Vitro, 28(1), 18–23. https://doi.org/10.1016/j.tiv.2013.06.004

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