Biphasic Osteogenic Characteristics of Human Mesenchymal Stem Cells Cultured on Nanotubes of Different Diameters
Figure 6
Quantitative PCR analysis for protein kinase R-like ER kinase (PERK) and activating transcription factor 6 (ATF6) after 2 weeks of incubation time. The graph shows the average ± standard deviation bars. *The data of experimental group was significantly higher than that of control group .
