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. 2022 May 12;13(2):19476035221077401. doi: 10.1177/19476035221077401

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© The Author(s) 2022

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 1. — Characterization of USCs. (A) The morphology of USCs under optical microscopy. (B) USC was characterized by flow cytometry analysis using the surface markers CD44, CD73, CD90, CD105, CD31, CD34, and CD45. (C) Verification of the multidirectional differentiation potential of USCs. Osteogenic differentiation ability was accessed by Alizarin red staining, adipogenic differentiation ability was accessed by Oil red O staining, Alcian blue staining accessed the chondrogenic differentiation ability. USCs = urine-derived stem cells.