Figure 6From: Effects of enamel matrix derivative and transforming growth factor-β1 on human osteoblastic cells Alizarin red S stained areas of osteoblastic cell cultures treated with 100 μg/mL EMD, 5 ng/mL TGF-β1, and 100 μg/mL EMD plus 5 ng/mL TGF-β1, at 21 days. Percentage of stained areas was significantly higher for non-treated cultures. *P < 0.05; **P < 0.01; ***P < 0.001.Back to article page