Research Article

Mechanical Stress Stimulates the Osteo/Odontoblastic Differentiation of Human Stem Cells from Apical Papilla via ERK 1/2 and JNK MAPK Pathways

Figure 1

Schematic diagram of the experimental setup (side view), immunocytochemical staining of STRO-1, and effects of mechanical stress on the proliferation of SCAPs in vitro. (a) Left: the bucket is in resting position; right: the bucket is swung out because of centrifugal force. The thick arrows indicate the direction of force. (b) Immunocytochemical staining for STRO-1 in SCAPs. (c) Growth curves of mechanical stress-treated SCAPs. Values are described as the , . (d), (e) Flow cytometry analysis for mechanical stress-untreated (d) and treated (e) SCAPs.
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