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Title: Improvement of Parkinsonian behavior with co-grafts of Schwann cells and neural stem cells in the rat
Author: Xia, Ying ; Jiang, Chengchuan ; Ding, Zhongliang ; Wang, Yang ; Xu, Bin ; Feng, Linyin
Source: NEURAL REGENERATION RESEARCH
Issued Date: 2008
Volume: 3, Issue:1, Pages:5-9
Keyword: Schwann cells ; neural stem cells ; Parkinson ; co-graft ; TRANSPLANTATION ; NEURONS ; DISEASE
Subject: Cell Biology ; Neurosciences & Neurology
Corresponding Author: Xia, Y (reprint author), Fudan Univ, People Hosp Shanghai 5, Dept Neurosurg, Shanghai 200240, Peoples R China,xiaying008@163.com
English Abstract: BACKGROUND: Due to the lack of autograft transplant rejection, Schwann cells (SCs) can promote the proliferation of embryonic stem cells and the induction of dopaminergic neurons. Mesencephalic stem cells can be induced to produce dopaminergic neurons. The therapeutic effects of co-grafts of SCs and neural stein cells (NSCs) deserves further study and verification in Parkinsonian animal models. OBJECTIVE: To investigate the effects of Schwann cells and mesencephalic NSC co-grafts in Parkinsonian animal models on animal behavior and histology. DESIGN: Randomized controlled experiment. SETTING: Fudan University; Institute of Neuroscience, Chinese Academy of Sciences. MATERIALS: The following animals were obtained from the Experimental Animal Center, Shanghai Institute for Biological Science, Chinese Academy of Sciences: 5 Sprague-Dawley rats, embryonic clay (E) 13-16; 16 neonatal Sprague-Dawley rats, postnatal day 1-3; and 18 adult SD rats of both genders. Animal experimentation met animal ethical approval. METHODS: ne experiment was performed at the Department of Anatomy, Histology and Embryology, Shanghai Medical Center, Fudan University from September 2005 to January 2007. The mesencephalic NSCs were obtained from the brains of SD rats at E 13-16, and SCs were harvested from the sciatic nerves of neonatal rats at day 1-3. Hemiparkinsonian rats (n =18) were selected for transplantation after estimating rotational behavior in response to apomorphine and were randomly assigned to three groups: control group, NSC group, and co-graft group. There were 6 rats in each group. Either phosphate buffered saline (PBS), NSCs. or SCs plus NSCs were transplanted into the right neostriatum of Parkinsonian rats, respectively MAIN OUTCOME MEASURES: (1) Rotational behavior was induced by apomorphine (0.05 mg/kg, i.p.) 2, 4, 6, 8, and 10 weeks after transplantation, and the number of rotations were counted. (2) Differentiation and survival of dopaminergic neurons in the right neostriatum were quantified by tyrosine hydroxylase immunohistochemistry 10 weeks after grafting. RESULTS: All 18 Parkinsonian rats were included in the final analysis,without any loss. (1) Rotation behavior and turning: Compared with the control group, the percent of apomorphine-induced rotations were significantly decreased (P < 0.01) in both the NSC group and co-graft group. (2) Differentiation and survival of dopaminergic neurons in each group: TH-immunoreactive neurons were detected in the striatum of both the NSC group and co-graft group 10 weeks after transplantation. The neuronal volume, size of the nucleus, and neuronal numbers were larger in the co-graft group compared to the NSC group (P < 0.05). CONCLUSION: SC and NSC co-grafts not only improve Parkinsonian behavior in rats, but also improve the survival of NSCs.
Indexed Type: SCI
Language: 英语
Content Type: 期刊论文
URI: http://ir.sibs.ac.cn/handle/331001/1744
Appears in Collections:神经所(总)_期刊论文

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Xia, Ying; Jiang, Chengchuan; Ding, Zhongliang; Wang, Yang; Xu, Bin; Feng, Linyin.Improvement of Parkinsonian behavior with co-grafts of Schwann cells and neural stem cells in the rat,NEURAL REGENERATION RESEARCH,2008,3(1):41038
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