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. 2019 Nov 15;10:323. doi: 10.1186/s13287-019-1413-8

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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 — Histological analysis of myocardial infarction (MI) sizes in each group. After MI was inducted, miRNA-326-5p-EPCs (EPCs were transfected with miRNA-326-5p), miRNA-326-5p-EPCs+ Wnt1 agonist, EPCs-NC, and PBS control were injected into the peri-infarct zones. Heart samples in each group were harvested at 28 days after the operation. a Cardiac fibrosis was indicated by staining with Masson’s trichrome: scarred fibrosis (blue), myocardium (red). Bar, 2 μm. The percentage of fibrosis length (b) and fibrotic area (c) were calculated and averaged by using Image J software