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. 2022 Jul 26;14(7):527–538. doi: 10.4252/wjsc.v14.i7.527

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©The Author(s) 2022. Published by Baishideng Publishing Group Inc. All rights reserved.

This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: https://creativecommons.org/Licenses/by-nc/4.0/

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Human mesenchymal stem cell-derived extracellular vesicles treatment promoted human hair follicle shaft elongation. A: Representative images of human hair follicles of an individual after human mesenchymal stem cell-derived extracellular vesicles (0, 0.05, and 0.01 μg/mL) and XAV939 (5 μM) treatments; B: Quantified data of hair shaft elongation on day 6 (n = 6). (^aP < 0.05; ^cP < 0.001. Student’s t-test was used for comparison). hMSC-EVs: Human mesenchymal stem cell-derived extracellular vesicles.