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. 2021 Nov 12;9:764212. doi: 10.3389/fbioe.2021.764212

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Copyright © 2021 Lin, Sun, Li, Yuan, Cheng, Ke, Chen, Sun, Mi and Zhang.

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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Cell survival and proliferation in the 3D cell laden pannus tissue model. (A) Cell survival at different time points after printing. Live and dead cells were labelled with calcein-AM (green) and PI (red), respectively. Scale bar, 750 μm. (B) Proliferation rates of cells in 3D co-culture cell laden scaffolds at day 1, 3, 5, and 7.