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. 2021 May 3;12:264. doi: 10.1186/s13287-021-02324-7

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© The Author(s) 2021

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. 6 — Knockdown of Nrf2 impaired endothelial repair of CXCR7-EPCs in vivo. a Representative images of Evans blue staining after EPC transplantation (bar = 500 μm; n = 5 per group). b Reendothelialization rate in different groups after 7 days. c Reendothelialization rate in different groups after 14 days. d Representative images of HE and Masson trichrome staining (bar = 150 μm; n = 5 per group). e I/M ratio in different groups after EPC transplantation. f Neointimal area in different groups after EPC transplantation (*p < 0.05; **p < 0.001)