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. 2020 Jun 3;11:213. doi: 10.1186/s13287-020-01726-3

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© The Author(s) 2020

Open AccessThis 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 licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence 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 licence, visit http://creativecommons.org/licenses/by/4.0/. 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 in a credit line to the data.

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Fig. 5 — a, b Changes in the mRNA expression of markers for fibroblast activation (TGF-β and α-SMA) were evaluated by Selfie-qPCR. Data are means ± SEM of 6 animals per group (*p < 0.05 vs control groups, ^#p < 0.05 vs BLM). c Immunohistological staining with anti-α-SMA (green) shows the presence of α-SMA-positive fibroblast in BLM animals. iPSC-AEC2 cell transplantation reduces the number of α-SMA-positive cells. (magnification × 400). d Graph of integrated optical density (area × density) of each band using Image-Pro plus software for α-SMA analyzed by immunoblot and normalized to β-actin (n = 2 for control, control + iPSC-AEC2, and BLM; n = 3 for iPSC-AEC2). Data are means + SEM (n = 2 for control, control + iPSC-AEC2, and BLM; n = 3 for iPSC-AEC2)