New approach methods to assess developmental and adult neurotoxicity for regulatory use: a PARC work package 5 project

Tamara Tal, Oddvar Myhre, Ellen Fritsche, Joëlle Rüegg, Kai Craenen, Kiara Aiello-Holden, Caroline Agrillo, Patrick J Babin, Beate I Escher, Hubert Dirven, Kati Hellsten, Kristine Dolva, Ellen Hessel, Harm J Heusinkveld, Yavor Hadzhiev, Selma Hurem, Karolina Jagiello, Beata Judzinska, Nils Klüver, Anja Knoll-GellidaBritta A Kühne, Marcel Leist, Malene Lislien, Jan L Lyche, Ferenc Müller, John K Colbourne, Winfried Neuhaus, Giorgia Pallocca, Bettina Seeger, Ilka Scharkin, Stefan Scholz, Ola Spjuth, Monica Torres-Ruiz, Kristina Bartmann

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung


In the European regulatory context, rodent in vivo studies are the predominant source of neurotoxicity information. Although they form a cornerstone of neurotoxicological assessments, they are costly and the topic of ethical debate. While the public expects chemicals and products to be safe for the developing and mature nervous systems, considerable numbers of chemicals in commerce have not, or only to a limited extent, been assessed for their potential to cause neurotoxicity. As such, there is a societal push toward the replacement of animal models with in vitro or alternative methods. New approach methods (NAMs) can contribute to the regulatory knowledge base, increase chemical safety, and modernize chemical hazard and risk assessment. Provided they reach an acceptable level of regulatory relevance and reliability, NAMs may be considered as replacements for specific in vivo studies. The European Partnership for the Assessment of Risks from Chemicals (PARC) addresses challenges to the development and implementation of NAMs in chemical risk assessment. In collaboration with regulatory agencies, Project 5.2.1e (Neurotoxicity) aims to develop and evaluate NAMs for developmental neurotoxicity (DNT) and adult neurotoxicity (ANT) and to understand the applicability domain of specific NAMs for the detection of endocrine disruption and epigenetic perturbation. To speed up assay time and reduce costs, we identify early indicators of later-onset effects. Ultimately, we will assemble second-generation developmental neurotoxicity and first-generation adult neurotoxicity test batteries, both of which aim to provide regulatory hazard and risk assessors and industry stakeholders with robust, speedy, lower-cost, and informative next-generation hazard and risk assessment tools.

Seiten (von - bis)1359507
FachzeitschriftFrontiers in toxicology
PublikationsstatusVeröffentlicht - 26 Apr. 2024

Research Field

  • Molecular Diagnostics


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