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. 2021 Sep 13;9:740635. doi: 10.3389/fbioe.2021.740635

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Copyright © 2021 Gong, Yu, Zhou, Dong, Yan, Zhang, Yan, Wang, Tan, Chen, Feng, Fu, Fu and Lu.

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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Histological analyses of grafts from dcECM hydrogels at 8 weeks after transplantation. Grafts were harvested and further analyzed at 8 weeks after grafting. (A–D) Toluidine-blue staining of the Col-I (A), 1 (B), 5 (C), and 10 (D) mg/ml dcECM hydrogel grafts. (E–H) Safranin O staining of grafts from Col-I (E), 1 (F), 5 (G) and 10 (H) mg/ml dcECM hydrogels. (I–L) Collagen II expression of Col-I (I), 1 (J), 5 (K), and 10 (L) mg/ml dcECM hydrogel grafts were compared via histological staining. Scale bars = 100 μm.