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. 2018 Nov 21;4:106. doi: 10.1038/s41420-018-0123-9

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© The Author(s) 2018

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. 2 — At optimal post-scratch time-point (12 h) and crystal-exposure time (30 min), the repairing and controlled cells were subjected to morphological examination (a), cell death assay (b), and cell proliferation assay (c). Phase contrast microscopy (d) and immunofluorescence staining of cellular nuclei (e) were also performed to demonstrate dividing cells. Original magnification =×200 for all panels. Each bar represents mean ± SEM of the data obtained from three independent experiments. *p < 0.05 vs. control