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World J Stem Cells. Jun 26, 2026; 18(6): 116526
Published online Jun 26, 2026. doi: 10.4252/wjsc.116526
Figure 13
Figure 13  Immunohistochemical staining of placental tissues from rats (400 ×). A: Immunohistochemical staining results of CD31-positive cells in the placenta of rats in the normal pregnancy group; B: Immunohistochemical staining results of CD31-positive cells in the placenta of rats in the preeclampsia group; C: Immunohistochemical staining results of CD31-positive cells in the placenta of rats in the human amniotic epithelial cell exosomes group; D: Immunohistochemical staining results of CD31-positive cells in the placenta of rats in the exosomes from mesenchymal stem cells derived from human umbilical cord blood group. NP: Normal pregnancy; PE: Preeclampsia; hAECs-exos: Human amniotic epithelial cell exosomes; hucbMSCs-exos: Exosomes from mesenchymal stem cells derived from human umbilical cord blood.


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