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. 2020 Mar 6;11:110. doi: 10.1186/s13287-020-01614-w

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© The Author(s) 2020

Open AccessThis 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. 1 — Isolation and identification of H-DPSCs and P-DPSCs. a Representative images of colony units in a general view (first row of images) and a single colony of H-DPSCs and P-DPSCs observed by microscopy (second row of images; scale bar, 200 μm). b Proliferative activity of H-DPSCs and P-DPSCs evaluated by CCK-8 assay (n = 3; *P < 0.05, **P < 0.01 vs. the H-DPSC group). c Surface markers of H-DPSCs and P-DPSCs assayed by flow cytometry. d Multiple differentiation potentials of H-DPSCs and P-DPSCs: Alizarin Red S staining for osteogenic differentiation (left; scale bar, 200 μm), Oil Red O staining for adipogenic differentiation (middle; scale bar, 200 μm), and Alcian blue staining for chondrogenic differentiation (right; scale bar, 200 μm)