Stem cell-derived systems in toxicology assessment

Laura Suter-Dick, Paula M. Alves, Bas J. Blaauboer, Klaus Dieter Bremm, Catarina Brito, Sandra Coecke, Burkhard Flick, Paul Fowler, Jürgen Hescheler, Magnus Ingelman-Sundberg, Paul Jennings, Jens M. Kelm, Irene Manou, Pratibha Mistry, Angelo Moretto, Adrian Roth, Donald Stedman, Bob Van De Water, Mario Beilmann

Research output: Contribution to journalReview articlepeer-review

38 Citations (Scopus)


Industrial sectors perform toxicological assessments of their potential products to ensure human safety and to fulfill regulatory requirements. These assessments often involve animal testing, but ethical, cost, and time concerns, together with a ban on it in specific sectors, make appropriate in vitro systems indispensable in toxicology. In this study, we summarize the outcome of an EPAA (European Partnership of Alternatives to Animal Testing)-organized workshop on the use of stem cell-derived (SCD) systems in toxicology, with a focus on industrial applications. SCD systems, in particular, induced pluripotent stem cell-derived, provide physiological cell culture systems of easy access and amenable to a variety of assays. They also present the opportunity to apply the vast repository of existing nonclinical data for the understanding of in vitro to in vivo translation. SCD systems from several toxicologically relevant tissues exist; they generally recapitulate many aspects of physiology and respond to toxicological and pharmacological interventions. However, focused research is necessary to accelerate implementation of SCD systems in an industrial setting and subsequent use of such systems by regulatory authorities. Research is required into the phenotypic characterization of the systems, since methods and protocols for generating terminally differentiated SCD cells are still lacking. Organotypical 3D culture systems in bioreactors and microscale tissue engineering technologies should be fostered, as they promote and maintain differentiation and support coculture systems. They need further development and validation for their successful implementation in toxicity testing in industry. Analytical measures also need to be implemented to enable compound exposure and metabolism measurements for in vitro to in vivo extrapolation. The future of SCD toxicological tests will combine advanced cell culture technologies and biokinetic measurements to support regulatory and research applications. However, scientific and technical hurdles must be overcome before SCD in vitro methods undergo appropriate validation and become accepted in the regulatory arena.

Original languageEnglish
Pages (from-to)1284-1296
Number of pages13
JournalStem Cells and Development
Issue number11
Publication statusPublished - 1 Jun 2015


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