4.7 Article

Human menstrual blood-derived stem cell transplantation suppresses liver injury in DDC-induced chronic cholestasis

Journal

STEM CELL RESEARCH & THERAPY
Volume 13, Issue 1, Pages -

Publisher

BMC
DOI: 10.1186/s13287-022-02734-1

Keywords

Chronic cholestatic liver injury; Mesenchymal stem cell; Tight junction; Bile transporter

Funding

  1. National Key Research and Development Program of China [2016YFC 1101304/3]

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This study demonstrated that MenSC transplantation was effective in treating cholestatic liver injury in mice, improving survival rates and decreasing liver enzyme levels. MenSCs may exert therapeutic effects by regulating beta-catenin expression and repairing liver damage caused by cholestasis.
Background Cholestatic liver injury can lead to serious symptoms and prognoses in the clinic. Currently, an effective medical treatment is not available for cholestatic liver injury. Human menstrual blood-derived stem cells (MenSCs) are considered as an emerging treatment in various diseases. This study aimed to explore the treatment effect of MenSCs in cholestatic liver injury. Methods The treatment effect of MenSCs on chronic cholestatic liver injury was verified in 3,5-diethoxycarbonyl-1,4-dihydroxychollidine (DDC)-induced C57/BL6 mice. Pathological, fibrosis area in the liver tissue and serum liver enzymes were tested. Proteomics and western blot were used to explore the related targets and molecular mechanisms. Adeno-associated virus (AAV) 9-infected mice were applied for verification. Results MenSCs markedly improved the survival rate of the DDC-treated mice (60% vs. 100%), and decreased the mouse serum aspartate aminotransferase (AST) (169.4 vs. 108.0 U/L, p < 0.001), alanine aminotransferase (ALT) (279.0 vs. 228.9 U/L, p < 0.01), alkaline phosphatase (ALP) (45.6 vs. 10.6 U/L, p < 0.0001), direct bilirubin (DBIL) (108.3 vs. 14.0 mu mol/L, p < 0.0001) and total bilirubin (TBIL) (179.2 vs. 43.3 mu mol/L, p < 0.0001) levels as well as intrahepatic cholestasis, bile duct dilation and fibrotic areas (16.12 vs. 6.57%, p < 0.05). The results further indicated that MenSCs repaired the DDC-induced liver tight junction (TJ) pathway and bile transporter (OATP2, BSEP and NTCP1) injury, thereby inhibiting COL1A1, alpha-SMA and TGF-beta 1 activation by upregulating liver beta-catenin expression. Conclusions MenSC transplantation could be an effective treatment method for cholestatic liver injury in mice. MenSCs may exhibit therapeutic effects by regulating beta-catenin expression.

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