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  • Title: Gene Transfer and Gene Silencing in Stem Cells to Promote Chondrogenesis.
    Author: Zhang F, Wang DA.
    Journal: Methods Mol Biol; 2015; 1340():97-117. PubMed ID: 26445833.
    Abstract:
    In stem cell-based chondrogenesis for articular cartilage regeneration, TGF-β3 is dosed to the stem cells to drive differentiation into chondrocytic cells. Meanwhile, type I collagen, which is endogenously expressed in some stem cells (e.g., synovium-derived mesenchymal stem cells) and upregulated by TGF-β3, poses a threat to chondrogenesis, as type I collagen may alter the components and stiffness of articular cartilage. Therefore, a wiser strategy would be to feed the cells with TGF-β3 while at the same time silencing the expression of type I collagen. In this chapter, methods for construction of adenoviral vectors and lentiviral vectors having both of the above functions are given. Their transduction into synovium-derived mesenchymal stem cells for articular cartilage engineering and following characterizations are also described.
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