Fig. 5

mRNA expression of osteogenic and chondrogenic genes. Comparison of mRNA transcript levels of bone-related genes in goat BMSCs cultured on solid tantalum (sTa) and porous tantalum (pTa) surfaces in basic medium for 7 days (a), 14 days (b), and 21 days (c). mRNA expression of cartilage-related genes in goat chondrocytes cultured on 2D CM and 3D CM in basic medium for 5 days (d)