Figure 1

Osteogenic differentiation in human induced pluripotent stem (iPS) cells. (a) Schema of the osteogenic differentiation protocol. (b) Microscopic images on day − 4, 0, 14 and 28 showed mineralization yield. (c) Mineralization on day 28 with Alizarin red S and alkaline phosphatase (ALP) staining results in six-well culture plates.