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Lacroix G, Koch W, Ritter D, Gutleb AC, Larsen ST, Loret T, Zanetti F, Constant S, Chortarea S, Rothen-Rutishauser B, Hiemstra PS, Frejafon E, Hubert P, Gribaldo L, Kearns P, Aublant JM, Diabaté S, Weiss C, de Groot A, Kooter I. Air-Liquid Interface In Vitro Models for Respiratory Toxicology Research: Consensus Workshop and Recommendations. ACTA ACUST UNITED AC 2018; 4:91-106. [PMID: 32953944 PMCID: PMC7500038 DOI: 10.1089/aivt.2017.0034] [Citation(s) in RCA: 111] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
In vitro air-liquid interface (ALI) cell culture models can potentially be used to assess inhalation toxicology endpoints and are usually considered, in terms of relevancy, between classic (i.e., submerged) in vitro models and animal-based models. In some situations that need to be clearly defined, ALI methods may represent a complement or an alternative option to in vivo experimentations or classic in vitro methods. However, it is clear that many different approaches exist and that only very limited validation studies have been carried out to date. This means comparison of data from different methods is difficult and available methods are currently not suitable for use in regulatory assessments. This is despite inhalation toxicology being a priority area for many governmental organizations. In this setting, a 1-day workshop on ALI in vitro models for respiratory toxicology research was organized in Paris in March 2016 to assess the situation and to discuss what might be possible in terms of validation studies. The workshop was attended by major parties in Europe and brought together more than 60 representatives from various academic, commercial, and regulatory organizations. Following plenary, oral, and poster presentations, an expert panel was convened to lead a discussion on possible approaches to validation studies for ALI inhalation models. A series of recommendations were made and the outcomes of the workshop are reported.
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Affiliation(s)
- Ghislaine Lacroix
- Chronic Risks Division, Institut National de l'Environnement Industriel et des RISques, Verneuil-en-Halatte, France
| | - Wolfgang Koch
- In Vitro und Mechanistische Toxikologie, Fraunhofer ITEM, Hannover, Germany
| | - Detlef Ritter
- In Vitro und Mechanistische Toxikologie, Fraunhofer ITEM, Hannover, Germany
| | - Arno C Gutleb
- Environmental Research and Innovation (ERIN) Department, Luxembourg Institute of Science and Technology, Esch-sur-Alzette, Luxembourg
| | - Søren Thor Larsen
- Inhalation Toxicology Group, National Research Centre for the Working Environment, Copenhagen, Denmark
| | - Thomas Loret
- Chronic Risks Division, Institut National de l'Environnement Industriel et des RISques, Verneuil-en-Halatte, France
| | - Filippo Zanetti
- Systems Toxicology Department, Philip Morris International R&D, Neuchâtel, Switzerland
| | | | - Savvina Chortarea
- BioNanomaterials, Adolphe Merkle Institute, University of Fribourg, Fribourg, Switzerland.,Laboratory for Materials-Biology Interactions, EMPA, Swiss Federal Laboratories for Materials, Science and Technology, St Gallen, Switzerland
| | | | - Pieter S Hiemstra
- Department of Pulmonology, Leiden University Medical Center, Leiden, The Netherlands
| | - Emeric Frejafon
- Chronic Risks Division, Institut National de l'Environnement Industriel et des RISques, Verneuil-en-Halatte, France
| | - Philippe Hubert
- Chronic Risks Division, Institut National de l'Environnement Industriel et des RISques, Verneuil-en-Halatte, France
| | - Laura Gribaldo
- Directorate F-Health, Consumers and Reference Materials Chemicals Safety and Alternative Methods Unit (F.3), EURL ECVAM, JRC, Ispra, Italy
| | - Peter Kearns
- Environment, Health and Safety Division, OECD, Paris, France
| | - Jean-Marc Aublant
- European Affairs and Standardization, Laboratoire National de Métrologie et d'Essais, Paris, France
| | - Silvia Diabaté
- Institute of Toxicology and Genetics, Karlsruhe Institute of Technology, Karlsruhe, Germany
| | - Carsten Weiss
- Institute of Toxicology and Genetics, Karlsruhe Institute of Technology, Karlsruhe, Germany
| | - Antoinette de Groot
- Toxicological and Environmental Risk Assessment (TERA) Department, Solvay, Brussels, Belgium
| | - Ingeborg Kooter
- Department of Circular Environment and Environment (CEE), TNO, Utrecht, The Netherlands
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