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. 2022 Oct 20;10:1010818. doi: 10.3389/fcell.2022.1010818

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Copyright © 2022 Liu, Feng and Xu.

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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The comparison of CPCs from different sources, chondrocytes and BMSCs. The CPCs isolated from different methods exhibited different properties. The capitalized (A–G) means single cell derived clonal CPCs, enriched CPCs, migrated CPCs from cartilage tissue, dedifferentiated CPCs derived from chondrocytes and specific factors induced CPCs, chondrocytes and BMSC, respectively. The capacities of proliferation differentiation, and migration were compared. a, b, c, d, e, f, g in lowercase means the cell properties in A, B, C, D, E, F, G cells compared with cells being connected by line, respectively. The red arrow means upregulation; the green arrow means downregulation; the blue arrow means unchanged; the black arrows mean cell transition.