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. 2021 Oct 20;12:732874. doi: 10.3389/fphar.2021.732874

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Copyright © 2021 Li, Ke, Guo, Wu, Bian, Shan, Liu, Huo, Guo, Liu, Liu and Han.

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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(A) The distance between scratches in the presence of quercetin (0.1, 0.5, 1 μmol/L) was measured using scratch method (B) The branches length of the tube under the different concentrations of quercetin (0.1, 0.5, 1 μmol/L) was detected with tube formation method (C) Healing rate was calculated (D) Branches length data was displayed. ^## p < 0.01, ^### p < 0.001 compared to control group; ^** p < 0.01, ^*** p < 0.001 compared to H/R group. μM: μmol/L; H/R: hypoxia and reoxygenation, n = 3.