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. 2021 Jan 8;30:0963689720986142. doi: 10.1177/0963689720986142

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© The Author(s) 2021

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 4. — Effects of LIPUS on the migration of MSCs. (A) Western blot analysis of SDF-1, CXCR4, and β-actin expression in MSCs. (B) The transwell migration capacity of MSCs stained with crystal violet and the bar graph comparing the counts of migrated cells; scale bars = 50 μm. The values are the mean ± SD; n = 4, *P < 0.05. CXCR4: C-X-C chemokine receptor type 4; LIPUS: low-intensity pulsed ultrasound; MSC: mesenchymal stem cell; SDF-1: stromal cell-derived factor-1.