Combination of BMSCs-laden acellular nerve xenografts transplantation and G-CSF administration promotes sciatic nerve regeneration
Autor: | Wen-Zhi Ma, Ying Wang, Hua Jia, Jiao Chen, Huai-Qin Han, Zhong-Yi He, Jun-Ping Li, Xiao-Jie Tong |
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Rok vydání: | 2018 |
Předmět: |
Male
Pathology medicine.medical_specialty Stromal cell medicine.medical_treatment Inflammation Mesenchymal Stem Cell Transplantation Rats Sprague-Dawley 03 medical and health sciences Cellular and Molecular Neuroscience 0302 clinical medicine Peripheral Nerve Injuries Granulocyte Colony-Stimulating Factor medicine Animals Ulnar Nerve 030304 developmental biology 0303 health sciences business.industry Sciatic Nerve Autotransplantation Granulocyte colony-stimulating factor Nerve Regeneration Rats Transplantation medicine.anatomical_structure Apoptosis Heterografts Female Bone marrow Sciatic nerve Rabbits medicine.symptom business 030217 neurology & neurosurgery |
Zdroj: | Synapse (New York, N.Y.). 73(7) |
ISSN: | 1098-2396 |
Popis: | Peripheral nerve gaps often lead to interrupted innervation, manifesting as severe sensory and motor dysfunctions. The repairs of the nerve injuries have not achieved satisfactory curative effects in clinic. The transplantation of bone marrow stromal cells (BMSCs)-laden acellular nerve xenografts (ANX) has been proven more effective than the acellular nerve allografting. Besides, granulocyte colony-stimulating factor (G-CSF) can inhibit inflammation and apoptosis, and thus is conducive to the microenvironmental improvement of axonal regeneration. This study aims to investigate the joint effect of BMSCs-seeded ANX grafting and G-CSF administration, and explore the relevant mechanisms. Adult SD rats were divided into five groups randomly: ANX group, ANX combined with G-CSF group, BMSCs-laden ANX group, BMSCs-laden ANX combined with G-CSF group, and autograft group. Eight weeks after transplantation, the detection of praxiology and neuroelectrophysiology was conducted, and then the morphology of the regenerated nerves was analyzed. The inflammatory response and apoptosis in the nerve grafts as well as the expression of the growth-promoting factors in the regenerated tissues were further assayed. G-CSF intervention and BMSCs implanting synergistically promoted peripheral nerve regeneration and functional recovery following ANX bridging, and the restoration effect was matchable with that of the autologous nerve grafting. Moreover, local inflammation was alleviated, the apoptosis of the seeded BMSCs was decreased, and the levels of the neuromodulatory factors were elevated. In conclusion, the union application of BMSCs-implanted ANX and G-CSF ameliorated the niche of neurotization and advanced nerve regeneration substantially. The strategy achieved the favorable effectiveness as an alternative to the autotransplantation. |
Databáze: | OpenAIRE |
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