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Open Access Study on the function of self-polymerizing peptide nanofiber material combined with nerve growth factor-mediated RNA repair for nerve injury treatment in rabbits with the osteofascial compartment syndrome

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The present study aimed to establish an animal model of the osteofascial compartment syndrome (OFCS) in hind legs of rabbits, and to repair an early nerve injury using the self-polymerized peptide nanofiber material that was laced with nerve growth factors (NGFs). An animal model of the compartment syndrome was established using the tourniquet method. The intrafascial pressure of rabbit legs at different time points was measured after successful modeling. Western blotting was used to assess the proliferation of nerve cells after injury. After incision and decompression, the repair group was implanted with the self-polymerized peptide nanofiber material in combination with NGFs at the nerve injury sites for repair of the injured nerves. Rabbit hind leg nerve specimens were collected from experimental rabbits (control group), rabbits 5 days after injury (unrepaired group), and rabbits 5 days after injury (repaired group), and hematoxylin-eosin (HE) staining analysis and immunofluorescence experiments were also performed. After loosening the tourniquet, the intra-fascial pressure peaked on the 1st day after injury and then gradually decreased. A western blot showed low expression of the proliferating cell nuclear antigens (PCNAs) in the control group, as it began to increase 4 h after injury, peaked 5 days after injury (P < 0.05), and then gradually decreased. Meanwhile, the tissue morphology of the repair group was better than that of the non-repair group. Fluorescence double labeling results showed that the proliferation of nerve cells in the repair group increased significantly, and S100 and DAPI co-labeling intensities increased significantly. The early application of the self-polymerizing peptide nanofiber material combined with NGF exhibited evident effects on the nerve injury treatment in the osteofascial compartment syndrome.

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Document Type: Research Article

Publication date: July 1, 2020

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  • Materials Express is a peer-reviewed multidisciplinary journal reporting emerging researches on materials science, engineering, technology and biology. Cutting-edge researches on the synthesis, characterization, properties, and applications of a very wide range of materials are covered for broad readership; from physical sciences to life sciences. In particular, the journal aims to report advanced materials with interesting electronic, magnetic, optical, mechanical and catalytic properties for industrial applications.
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