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Axon repair: surgical application at a subcellular scale Chang WC; Hawkes E; Keller CG; Sretavan DWWiley Interdiscip Rev Nanomed Nanobiotechnol 2010[Mar]; 2 (2): 151-61Injury to the nervous system is a common occurrence after trauma. Severe cases of injury exact a tremendous personal cost and place a significant healthcare burden on society. Unlike some tissues in the body that exhibit self healing, nerve cells that are injured, particularly those in the brain and spinal cord, are incapable of regenerating circuits by themselves to restore neurological function. In recent years, researchers have begun to explore whether micro/nanoscale tools and materials can be used to address this major challenge in neuromedicine. Efforts in this area have proceeded along two lines. One is the development of new nanoscale tissue scaffold materials to act as conduits and stimulate axon regeneration. The other is the use of novel cellular-scale surgical micro/nanodevices designed to perform surgical microsplicing and the functional repair of severed axons. We discuss results generated by these two approaches and hurdles confronting both strategies.|*Plastic Surgery Procedures[MESH]|*Wound Healing[MESH]|Animals[MESH]|Axons/*pathology[MESH]|Guided Tissue Regeneration[MESH]|Humans[MESH]|Nanotechnology/*methods[MESH]|Tissue Scaffolds/chemistry[MESH] |
