Figure 4

Immunofluorescence microscopy (IF) of HIF-2α, c-Myc, CyclinD1,Oct4, and p-Erk1/2 in the four groups of processed hPMSCs (20×, scale bars, 50 μm).
(I) hPMSCs-empty vector-NC, (II) hPMSCs over-expressing HIF-2α, (III) hPMSCs-scramble shRNA-NC, and (IV) HIF-2α-silenced hPMSCs (shRNA1545).