Astragaloside-IV induces the differentiation of bone marrow mesenchymal stem cells into osteoblasts through NMUR2-mediated Wnt/β-catenin pathway
Abstract
Aim: Given that astragaloside-IV (As-IV) has the ability to promote osteogenic differentiation, its mechanism is worthy of exploration. Methods: The effect of As-IV on rat tibial defects was examined by histopathological staining and MiR-CT scan. The alkaline phosphatase (ALP) content, osteogenic differentiation-related gene expressions, and mineralized nodule formation in bone marrow mesenchymal stem cells (BMSCs) were detected. Results: As-IV repaired tibial defects of rats. As-IV or neuromedin receptor 2 (NMUR2) overexpression elevated ALP content, mineralized nodules, osteogenic differentiation-related genes, β-catenin and NMUR2 levels, the effects of which were reversed by NMUR2 silencing or Wnt/β-catenin pathway inhibitors. Conclusion: As-IV regulates the Wnt/β-catenin pathway through NMUR2 to promote the repair of tibial defects in rats and the differentiation of BMSCs into osteoblasts.
Papers of special note have been highlighted as: • of interest
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