PMID- 32347014 OWN - NLM STAT- MEDLINE DCOM- 20210517 LR - 20210517 IS - 1613-6829 (Electronic) IS - 1613-6810 (Linking) VI - 16 IP - 36 DP - 2020 Sep TI - 21st Century Tools for Nanotoxicology: Transcriptomic Biomarker Panel and Precision-Cut Lung Slice Organ Mimic System for the Assessment of Nanomaterial-Induced Lung Fibrosis. PG - e2000272 LID - 10.1002/smll.202000272 [doi] AB - There is an urgent need for reliable toxicity assays to support the human health risk assessment of an ever increasing number of engineered nanomaterials (ENMs). Animal testing is not a suitable option for ENMs. Sensitive in vitro models and mechanism-based targeted in vitro assays that enable accurate prediction of in vivo responses are not yet available. In this proof-of-principle study, publicly available mouse lung transcriptomics data from studies investigating xenobiotic-induced lung diseases are used and a 17-gene biomarker panel (PFS17) applicable to the assessment of lung fibrosis is developed. The PFS17 is validated using a limited number of in vivo mouse lung transcriptomics datasets from studies investigating ENM-induced responses. In addition, an ex vivo precision-cut lung slice (PCLS) model is optimized for screening of potentially inflammogenic and pro-fibrotic ENMs. Using bleomycin and a multiwalled carbon nanotube, the practical application of the PCLS method as a sensitive alternative to whole animal tests to screen ENMs that may potentially induce inhalation toxicity is shown. Conditional to further optimization and validation, it is established that a combination of PFS17 and the ex vivo PCLS method will serve as a robust and sensitive approach to assess lung inflammation and fibrosis induced by ENMs. CI - (c) 2020 Her Majesty the Queen in Right of Canada. Published by Wiley-VCH Verlag GmbH & Co. KGaA. Reproduced with the permission of the Minister of Health Canada. FAU - Rahman, Luna AU - Rahman L AD - Environmental Health Science and Research Bureau, Health Canada, Sir Frederick G Banting Research Centre, 251 Sir Frederick Banting Driveway, Building 22, Ottawa, ON, K1A 0K9, Canada. FAU - Williams, Andrew AU - Williams A AD - Environmental Health Science and Research Bureau, Health Canada, Sir Frederick G Banting Research Centre, 251 Sir Frederick Banting Driveway, Building 22, Ottawa, ON, K1A 0K9, Canada. FAU - Gelda, Krishna AU - Gelda K AD - Environmental Health Science and Research Bureau, Health Canada, Sir Frederick G Banting Research Centre, 251 Sir Frederick Banting Driveway, Building 22, Ottawa, ON, K1A 0K9, Canada. FAU - Nikota, Jake AU - Nikota J AD - Environmental Health Science and Research Bureau, Health Canada, Sir Frederick G Banting Research Centre, 251 Sir Frederick Banting Driveway, Building 22, Ottawa, ON, K1A 0K9, Canada. FAU - Wu, Dongmei AU - Wu D AD - Environmental Health Science and Research Bureau, Health Canada, Sir Frederick G Banting Research Centre, 251 Sir Frederick Banting Driveway, Building 22, Ottawa, ON, K1A 0K9, Canada. FAU - Vogel, Ulla AU - Vogel U AD - National Research Centre for the Working Environment, Lerso Parkalle 105, Copenhagen, 2100, Denmark. AD - Department of Micro- and Nanotechnology, Technical University of Denmark, Building 101A 2800 Copenhagen, Lyngby, Denmark. FAU - Halappanavar, Sabina AU - Halappanavar S AUID- ORCID: 0000-0001-6283-237X AD - Environmental Health Science and Research Bureau, Health Canada, Sir Frederick G Banting Research Centre, 251 Sir Frederick Banting Driveway, Building 22, Ottawa, ON, K1A 0K9, Canada. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20200429 PL - Germany TA - Small JT - Small (Weinheim an der Bergstrasse, Germany) JID - 101235338 RN - 0 (Biomarkers) SB - IM MH - Animals MH - *Biomarkers/analysis MH - *Gene Expression Profiling/methods/standards MH - Lung/drug effects/physiopathology MH - Mice MH - *Nanostructures/toxicity MH - *Pulmonary Fibrosis/chemically induced/diagnosis/genetics/physiopathology MH - *Toxicology/methods/trends MH - Transcriptome OTO - NOTNLM OT - advanced lung exposure models OT - bi-clustering OT - fibrosis OT - lung pathology OT - organoid culture OT - predictive gene signature EDAT- 2020/04/30 06:00 MHDA- 2021/05/18 06:00 CRDT- 2020/04/30 06:00 PHST- 2020/01/14 00:00 [received] PHST- 2020/03/23 00:00 [revised] PHST- 2020/03/24 00:00 [accepted] PHST- 2020/04/30 06:00 [pubmed] PHST- 2021/05/18 06:00 [medline] PHST- 2020/04/30 06:00 [entrez] AID - 10.1002/smll.202000272 [doi] PST - ppublish SO - Small. 2020 Sep;16(36):e2000272. doi: 10.1002/smll.202000272. Epub 2020 Apr 29.