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. 2022 Nov 7;13(11):932. doi: 10.1038/s41419-022-05390-8

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© The Author(s) 2022

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. 7 — A Schematic of the animal experiments (for each group, n = 6, C57BL/6). B X-ray and 3D reconstruction images of micro- CT scanning of the knees. Scale bars, 2 mm and 1 mm. C OARSI scoring was performed according to staining results. (n = 6) *p < 0.05. D Safranin-O/fast green staining, H&E staining, TUNEL staining, IHC staining and IF staining of cartilage from different groups. Scale bars, 20 μm. E Safranin-O/fast green staining, H&E staining, TUNEL staining and IHC staining of cartilage from different groups. Scale bars, 20 μm. F Graphic abstract of our study.