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. 2023 Aug 26;21:298. doi: 10.1186/s12951-023-02063-2

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© The Author(s) 2023

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 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. 5 — Injectable hydrogel-loaded hESC-CMs promote cardiac regeneration. (A) Representative phase contrast image of hESCs before and after CM differentiation. (B) Double immunofluorescence staining of human-specific antibody (ZNF397, green) and cTNT (red) of hESC -CM grafts 4 weeks after injection. (C) Echocardiographic assessment of the numerical value of EF before and after injection and the percent change in EF of each rat. (D) Echocardiographic assessment assessed the numerical value of FS before and after injection and the percent change in FS of each rat. M-CM, matrigel + hESC-CMs; A-CM, alginate + hESC-CMs; H-CM, hyaluronate + hESC-CMs. Reproduced under terms of the CC-BY license [185]. Copyright 2020, Tan Y, published by Wiley-VCH