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. 2022 Jul 20;14:38. doi: 10.1038/s41368-022-00188-y

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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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Fig. 4 — The effects of BMP7 on angiogenic potential of HUVECs. a The wound-healing assay to evaluate the migration of HUVECs induced by BMP7 for 12 and 24 h. b Angiogenic potential of HUVECs evaluated by tube formation assay after 4 h culture. c Quantitative analysis of the relative recovered area at 12 and 24 h in a. d Quantitative analysis of the total branching length and number of junctions formed by HUVECs in b. *P < 0.05, ^#P < 0.01. NS: no significance. Scale bar: a 500 μm, b 200 μm