Fig. 2.

The human ES cells’ morphology and self-renewal capacity when treated with P13. a These images of the human ES cells were taken after passaging five times (magnification, 10×); the concentration of P13 was 200 μM/L, and the blank represents the 1 × PBS solvent for dissolving the peptides. b The qPCR results of POU5 F1, SOX2, and NANOG of the human ES cells in different culture conditions and treated with P13