Neuroprotective effect of fasudil combined with bone marrow-derived neural stem cells on mice with experimental autoimmune encephalomyelitis |
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Authors: | SONG Guo-bin XI Guo-ping LI Yan-hua LI Jia-shan LIU Jian-chun CHAI Zhi XIAO Bao-guo ZHANG Guang-xian MA Cun-gen |
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Affiliation: | 1. Institute of Brain Science, Datong University, Datong 037009, China;2. Neurobiology Research Center, Shanxi University of Traditional Chinese Medicine, Taiyuan 030024, China;3. Institute of Neurology, Huashan Hospital, Fudan University, Shanghai 200025, China;4. Department of Neurology, Thomas Jefferson University, Philadelphia, PA 19107, USA |
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Abstract: | AIM: To explore the neuroprotective effect of fasudil combined with bone marrow-derived neural stem cells (BM-NSCs) on the mice with experimental autoimmune encephalomyelitis (EAE). METHODS: Female C57BL/6 mice (8~10 weeks old, n=32) were immunized with myelin oligodendrocyte glycoprotein 35-55 (MOG35-55) to establish chronic EAE model. The mice were randomly divided into control (ddH2O) group, fasudil group, BM-NSCs group, and fasudil+BM-NSCs group. The clinical score and body weight were recorded every other day. The expression of neurotrophic factors was determined by immunofluorescence staining. RESULTS: In comparison with ddH2O group, fasudil combined with BM-NSCs delayed onset and ameliorated severity of EAE. The numbers of brain-derived neurotrophic factor, glial cell-derived neurotrophic factor, nerve growth factor, neurotrophin-3 and ciliary neurotrophic factor positive cells in fasudil group, BM-NSCs group and fasudil+BM-NSCs group were all increased in various extents. In particularly, the expression of these neurotrophic factors in fasudil+BM-NSCs group was significantly higher than that in the mice treated with fasudil or BM-NSCs alone (P<0.01). CONCLUSION: Fasudil combined with BM-NSCs promotes the expression of neurotrophic factors and improves microenvironment of central nervous system, thus playing a positive role in neural restoration and regeneration through a synergistic and superimposed effect. |
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Keywords: | Fasudil Bone marrow-derived neural stem cells Experimental autoimmune encephalomyelitis Neurotrophic factors |
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