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Pardo, M.* ; Offer, S. ; Hartner, E. ; Di Bucchianico, S. ; Bisig, B. ; Bauer, S. ; Pantzke, J. ; Zimmermann, E. ; Cao, X. ; Binder, S. ; Kuhn, E. ; Huber, A. ; Jeong, S. ; Käfer, U. ; Schneider, E.* ; Mesceriakovas, A.* ; Bendl, J. ; Brejcha, R. ; Buchholz, A.* ; Gat, D.* ; Hohaus, T.* ; Rastak, N. ; Karg, E.W. ; Jakobi, G. ; Kalberer, M.* ; Kanashova, T.* ; Hu, Y. ; Ogris, C. ; Marsico, A. ; Theis, F.J. ; Shalit, T.* ; Gröger, T.M. ; Rüger, C.P.* ; Oeder, S. ; Orasche, J. ; Paul, A.* ; Ziehm, T.* ; Zhang, Z.H.* ; Adam, T. ; Sippula, O.* ; Sklorz, M. ; Schnelle-Kreis, J. ; Czech, H. ; Kiendler-Scharr, A.* ; Zimmermann, R. ; Rudich, Y.*

Exposure to naphthalene and β-pinene-derived secondary organic aerosol induced divergent changes in transcript levels of BEAS-2B cells.

Environ. Int. 166:107366 (2022)

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The health effects of exposure to secondary organic aerosols (SOAs) are still limited. Here, we investigated and compared the toxicities of soot particles (SP) coated with β-pinene SOA (SOA_βPin-SP) and SP coated with naphthalene SOA (SOA_Nap-SP) in a human bronchial epithelial cell line (BEAS-2B) residing at the air-liquid interface. SOA_βPin-SP mostly contained oxygenated aliphatic compounds from β-pinene photooxidation, whereas SOA_Nap-SP contained a significant fraction of oxygenated aromatic products under similar conditions. Following exposure, genome-wide transcriptome responses showed an Nrf2 oxidative stress response, particularly for SOA_Nap-SP. Other signaling pathways, such as redox signaling, inflammatory signaling, and the involvement of matrix metalloproteinase, were identified to have a stronger impact following exposure to SOA_Nap-SP. SOA_Nap-SP also induced a stronger genotoxicity response than that of SOA_βPin-SP. This study elucidated the mechanisms that govern SOA toxicity and showed that, compared to SOAs derived from a typical biogenic precursor, SOAs from a typical anthropogenic precursor have higher toxicological potency, which was accompanied with the activation of varied cellular mechanisms, such as aryl hydrocarbon receptor. This can be attributed to the difference in chemical composition; specifically, the aromatic compounds in the naphthalene-derived SOA had higher cytotoxic potential than that of the β-pinene-derived SOA.

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Publication type Article: Journal article

Document type Scientific Article

Corresponding Author

Keywords Cytotoxicity ; Health Effects ; Particulate Matter ; Rna Sequencing ; Signaling Pathway ; Soot Particles

ISSN (print) / ISBN 0160-4120

e-ISSN 1873-6750

Journal Environment International

Quellenangaben Volume: 166, Article Number: 107366

Publisher Elsevier

Non-patent literature Publications

Reviewing status Peer reviewed

Institute(s) Cooperation Group Comprehensive Molecular Analytics (CMA)
Institute of Computational Biology (ICB)

Grants Universität Rostock
Horizon 2020
European Commission
Pennsylvania State University
Helmholtz International Laboratory
Anita James Rosen Foundation