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. 2021 Mar 17;49(3):0300060521992900. doi: 10.1177/0300060521992900

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© The Author(s) 2021

Creative Commons Non Commercial CC BY-NC: This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 4. — NF-κB pathway suppression reversed tobacco smoke-induced changes of EMT and CSC marker expression. (a) Real-time PCR of EMT marker expression. (b) Western blotting of EMT marker expression. (c) Real-time PCR of CSC marker expression. (d) Western blotting of CSC marker expression. **P < 0.01, compared with FA; ^#P < 0.05, ^##P < 0.01, compared with TS+DMSO.

EMT, epithelial–mesenchymal transition; CSC, cancer stem cell; FA, filtered air; TS, tobacco smoke; PDTC, pyrrolidinedithiocarbamate ammonium.