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There is increased awareness of the specific position of children when it comes to hazards of xenobiotic exposures. Children are not small adults, since their exposure patterns, compound kinetics and metabolism, and sensitivity of their developing organs may differ extensively from adults. Current international hazard assessment test guidelines do not specifically address juvenile exposures and effects. In conjunction with the Annual Meeting of the European Teratology Society, a satellite meeting was organized to specifically address juvenile toxicity testing issues for chemicals. The workshop focused on developmental neurotoxicity and developmental immune toxicity testing in juvenile animals. A clear case was made for the importance of juvenile toxicity testing, showing that in animal studies developmental neurotoxicity and immunotoxicity parameters express specifically high sensitivities after exposure during the juvenile period. Additional data will be generated in the coming years, and OECD initiatives will need to further the issue at the global regulatory level. Copyright © 2012. Published by Elsevier Inc. All rights reserved.


Aldert H Piersma, Elisa C M Tonk, Susan L Makris, Kevin M Crofton, Rodney R Dietert, Henk van Loveren. Juvenile toxicity testing protocols for chemicals. Reproductive toxicology (Elmsford, N.Y.). 2012 Nov;34(3):482-6

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PMID: 22564981

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