Research Article
Human Umbilical Cord Blood-Derived Mesenchymal Stem Cells Contribute to Chondrogenesis in Coculture with Chondrocytes
Table 1
The seeding cell number of human articular chondrocytes (hACs) and human umbilical cord blood-derived mesenchymal stem cell (hUCB-MSCs).
| | Group | hUCB-MSCs (cells/cm2) | hACs (cells/cm2) |
| a | hACs | — | 0.6 × 104 | b | hUCB-MSCs | 0.6 × 104 | — | c | hUCB-MSCs cultured with growth factors | 0.6 × 104 | — | d | Direct coculture (1 : 1) | 0.3 × 104 | 0.3 × 104 | e | Direct coculture (3 : 1) | 0.45 × 104 | 0.15 × 104 | f | Direct coculture (5 : 1) | 0.5 × 104 | 0.1 × 104 | g | Indirect coculture | 0.6 × 104 | — | h | Indirect coculture | — | 0.6 × 104 |
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