【摘 要】
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Semaphorin 3A expression is thought to increase following spinal cord injury. The impact of olfactory ensheathing cell transplantation remains unclear. The curr
【机 构】
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Second Department of Orthopedics, Second Hospital of Xi’an Jiaotong University, Xi’an 710004, Shaanx
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Semaphorin 3A expression is thought to increase following spinal cord injury. The impact of olfactory ensheathing cell transplantation remains unclear. The current study demonstrated that spinal cord hemorrhage, edema, degeneration, necrosis, cyst formation, proliferation of glial cells, regeneration of nerve fibers and various pathological reactions occurred following a simple cross-section of spinal cord injury. Transplantation of olfactory ensheathing cells was found to significantly relieve the pathological reactions in the spinal cord described above, decrease the extent of necrosis in damaged neurons and nerve fibers, and downregulate semaphorin 3A expression in the injured zone. The results confirmed that olfactory ensheathing cell transplantation plays a protective role on the injured spinal cord by reducing the expression of semaphorin 3A.
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