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. 2015 Oct 26;6:206. doi: 10.1186/s13287-015-0198-7

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© Huang et al. 2015

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. 7 — Comparison of the number of the injected Luc-positive cells at the fracture site at 5 weeks following fracture. a The number of Luc-positive cells in the callus in the MSC systemic injection group was significantly lower than that of the MSC local injection group (P < 0.05). b The proportion of apoptotic Luc-positive cells in Luc-positive cells in the MSC systemic injection group was significantly lower than that in the MSC local injection group (P < 0.05). c The proportion of Luc-MSCs in Luc-positive cells in the MSC systemic injection group was significantly higher than that of the MSC local injection group (P < 0.01). d The proportion of Luc-osteoblasts in Luc-positive cells did not show significant difference between the MSC systemic injection group and the MSC local injection group (P > 0.05). Luc-MSC Luciferase labeled mesenchymal stem cell, MSC mesenchymal stem cell