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Pantzke, J. ; Offer, S. ; Zimmermann, E. ; Kuhn, E. ; Streibel, T. ; Oeder, S. ; Di Bucchianico, S. ; Zimmermann, R.

An alternative in vitro model considering cell-cell interactions in fiber-induced pulmonary fibrosis.

Toxicol. Mech. Methods, DOI: 10.1080/15376516.2022.2156008 (2022)
DOI PMC
Particularly since the wide-ranging health effects of asbestos exposure became known, great emphasis has been placed on detailed toxicity testing of known but also newly developed fiber materials. Exposure to respirable pollutants like fibers can lead to tissue injury causing lung diseases such as pulmonary fibrosis or cancer. In order to detect the toxic potential of such aerosols at an early stage, the development of suitable test systems is essential. In this study, we illustrate the development of an advanced in vitro cell model closely resembling the physiological structure of the alveoli, and we highlight its advantages over simpler models to predict pro-fibrotic changes. For this reason, we analyzed the cytotoxic effects of fiber-like multi-walled carbon nanotubes after 24 and 48 h exposure, and we investigated inflammatory, genotoxic and pro-fibrotic changes occurring in the developed triple culture consisting of lung epithelial cells, macrophages and fibroblasts compared to a co-culture of epithelial cells and fibroblasts or a mono culture of epithelial cells. In summary, the triple culture system is more precisely able to detect a pro-fibrotic phenotype including epithelial-mesenchymal transition as well as secondary genotoxicity, even if exhibiting lower cytotoxicity in contrast to the less advanced systems. These effects might be traced back to the complex interplay between the different cell types, all of which play an important role in the inflammatory response, which precedes wound healing, or even fibrosis or cancer development.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Emt ; Mwcnts ; Inflammation ; Oxidative Stress ; Secondary Genotoxicity
Sprache englisch
Veröffentlichungsjahr 2022
HGF-Berichtsjahr 2022
ISSN (print) / ISBN 1091-7667
e-ISSN 1051-7235
Zeitschrift Toxicology Mechanisms and Methods
Verlag Informa Healthcare
Begutachtungsstatus Peer reviewed
Institut(e) Cooperation Group Comprehensive Molecular Analytics (CMA)
POF Topic(s) 30202 - Environmental Health
Forschungsfeld(er) Environmental Sciences
PSP-Element(e) G-504500-001
DOI 10.1080/15376516.2022.2156008
WOS ID WOS:000899086400001
Scopus ID 85144100119
PubMed ID 36519334
Erfassungsdatum 2022-12-20
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