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. 2019 Sep 23;7:29. doi: 10.1186/s41038-019-0167-y

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© The Author(s) 2019

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. 5. — The Shh signaling pathway involves in the differentiation of mammary progenitor cells (MPCs) on three-dimensional (3D) bioprinted sweat gland (SG) microenvironment. a Gene expression of EDA, NF-κb, and Shh of different groups after cultured 1, 3, 5, and 7 days. b Gene expression of ATP1a1 and keratin-8 (K8) of different groups after cultured 7 and 14 days. Data were presented as mean ± standard deviation (SD) (n = 3). Data were presented as mean ± SD (n = 3). The general difference was measured by the two-way ANOVA analysis. The comparisons between each group were analyzed by each main factor’s one-way ANOVA analysis and further the SNK-q test. *p < 0.05, **p < 0.01, ***p < 0.001