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. 2019 May 24;9:7797. doi: 10.1038/s41598-019-44113-6

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© The Author(s) 2019

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

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Pre-vascularization promoted wound healing and remodeling. (a) Macroscopic observation of transplanted control and pre-vascularized substitutes on the backs of immunodeficient mice up to 14 days post-transplantation. (b–f) Histological and immunohistochemical staining with hematoxylin and eosin (b), Masson’s trichrome (c), and HLA-ABC (d–f) of the wounds from the control and pre-vascularized substitutes at 14 days post-transplant. White dashed lines indicate the skin substitute–host interface. Black arrows indicate vessels perfused by mouse blood. Scale bars: 100 μm.