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. 2020 Jun 23;11:593. doi: 10.3389/fphys.2020.00593

FIGURE 1.

FIGURE 1

Isolation, morphology, and identification of hUCMSCs. The umbilical cord (UC) was cut into 10 cm pieces (A). The blood vessels in the UC were separated to obtain WJ (B). The morphology of primary cells cultured for 7 days (C). The morphology of cells after passaging (D). Lipid droplets were observed after culturing in adipogenic conditions for 14 days (E), but not in the control groups (F). Alizarin red staining showed mineralized nodules in cells grown under osteogenic conditions (G,I); cells in the control group were not stained (H,I). The third-generation cells were positive for CD90 (98.77%), CD73 (95.81%), and CD105 (97.36%) and negative for CD34 (0.07%) and CD45 (0.11%), as analyzed by flow cytometry (J).