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. 2022 Jul 7;10:952500. doi: 10.3389/fbioe.2022.952500

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Copyright © 2022 Wu, Zhao, Lin and Wang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Recruitment of BMSCs induced by E7-loaded PDA-modified silk membrane. (A) Schematic illustration of the PDA-modified silk fibroin and PDA-mediated E7 peptide; (B) CD44 immunofluorescent staining of the in vitro recruited BMSCs after 3 days; (C) CD44 immunofluorescent staining of the in vivo recruited BMSCs after 7 days. Blue arrow: the BMSCs grew into the scaffolds (Wu et al., 2019). Copyright 2019, American Chemical Society.