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In this paper, we propose the role of mesenchymal stem cells in fracture repair. We investigated the role of bone marrow mesenchymal stem cells in the healing process of fracture and the effect on the migration of endogenous bone marrow mesenchymal stem cells. Experiments show that exogenous bone marrow mesenchymal stem cells implanted in femur fractures in vivo can make endogenous bone marrow mesenchymal stem cells in vitro migration ability and fracture site of nerve growth factor expression increased, which promotes rat fracture healing.

Repair Effect of Mesenchymal Stem Cells on Fracture Model Animals