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. 2022 Apr 26;18(6):2059–2073. doi: 10.1007/s12015-022-10378-0

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© The Author(s) 2022

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/.

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Fig. 5 — ADMSC-Exos may promote wound healing via activating the WNT/β-catenin signaling pathway. A, B Western blotting of the protein expression level of WNT2b and β-catenin in fibroblasts treated with 50 μg/ml ADMSC-Exos、PBS and non-FBS DMEM for 36 h. C, D Representative images of immunohistochemistry showed WNT2b and β-catenin expression in the designated treatment group. The data were statistically analyzed using GraphPad. Results are presented as mean ± SD; n = 3; ^*p < 0.05, compared with PBS and DMEM group. Scale bars, 100 μm (10 x), 50 μm (20 x)