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  • Title: Therapeutic effect of human umbilical cord blood mesenchymal stem cells combined with G-CSF on rats with acute liver failure.
    Author: Chen H, Tang S, Liao J, Liu M, Lin Y.
    Journal: Biochem Biophys Res Commun; 2019 Oct 01; 517(4):670-676. PubMed ID: 31400854.
    Abstract:
    Human umbilical cord blood mesenchymal stem cells (hUCB-MSCs) have been used to facilitate healing in animal models of liver injury, while granulocyte colony-stimulating factor (G-CSF) has been shown to stimulate stem cell mobilization and these cells may contribute to liver repair. hUCB-MSCs were characterized by flow cytometry, and transplanted into rats with d-galactosamine (D-GalN)/lipopolysaccharides (LPS)-induced acute liver failure (ALF) together with granulocyte colony-stimulating factor (G-CSF). Liver function, oxidative stress and pro-inflammatory cytokines expressions were examined using enzyme-linked immunosorbent assay (ELISA). Hematoxylin-eosin (HE) staining was used to observe the morphological changes. Apoptosis was investigated by terminal dUTP nick end labeling (TUNEL) staining. Bromodeoxyuridine (BrdU) cell proliferation assay was analyzed by immunofluorescence and immunohistochemistry. In the results, cultured hUCB-MSCs displayed proliferation and adipogenic and osteogenic differentiation potentials. hUCB-MSCs in combination with G-CSF significantly attenuated ALF-induced liver function injury. Furthermore, hUCB-MSCs and G-CSF treatment remarkably suppressed the secretions of pro-inflammatory cytokines and MDA activation induced by ALF. In addition, inflammation, lesions and cell apoptosis in liver tissues were obviously ameliorated by application of hUCB-MSCs and G-CSF. In conclusion, hUCB-MSCs, alone or co-treatment with G-CSF could ameliorate ALF in rats by inhibiting liver function injury, production of pro-inflammatory cytokines, oxidative stress, and liver cell apoptosis.
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