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. 2017 Feb 21;18:38. doi: 10.1186/s12931-017-0523-z

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© The Author(s). 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided 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 Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 6 — The expression of p-Smad2/3 protein is regulated by db-cAMP in vivo. a Co-expression of p-Smads/α-SMA in lung tissue (immunofluorescence; red: p-Smad2/3; green: α-SMA; blue: DAPI); bThe expression of p-Smad2/3 and Smad2/3 in vivo (Western blot); Data are means ± SEM; n = 6 independent experiments