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. 2022 Feb 15;8:64. doi: 10.1038/s41420-022-00855-3

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 4 — A Upregulated genes from the Positive regulation of epithelial cell migration gene ontology pathway that fell within the stringent cutoff of our dataset (FWER adjusted P value < 0.001, log₂ fold change >1.45) B Representative confocal images of keratin 5 (K5, green, Alex Fluor 488), β-catenin (green, Alex Fluor 59) and nuclei (blue, DAPI) expression in NHBECs via immunofluorescent staining after PBS vehicle or C DA vapor exposure.