Research Article

Metformin-Induced MicroRNA-34a-3p Downregulation Alleviates Senescence in Human Dental Pulp Stem Cells by Targeting CAB39 through the AMPK/mTOR Signaling Pathway

Figure 1

Isolation, culture, and identification of DPSCs. (a) The human pulp tissues were obtained from freshly extracted teeth. (b) Young and aging DPSCs were observed at P0 and P1 using an optical microscope (magnification, ×100). (c) Surface marker profiling of young and aging DPSCs was evaluated by flow cytometry.
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