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| Content Provider | PubMed Central |
|---|---|
| Author | Wang, Bingqi Chen, Lei Liu, Bin Liu, Zhigang Zhang, Zhixin Pan, Yuehai Song, Liangsong Lu, Laijin |
| Copyright Year | 2012 |
| Abstract | An experimental model of brachial plexus root avulsion injury of cervical dorsal C5-6 was established in adult and neonatal rats. Real-time PCR showed that the levels of brain-derived neurotrophic factor, nerve growth factor and neurotrophin-3 in adult rats increased rapidly 1 day after brachial plexus root avulsion injury, and then gradually decreased to normal levels by 21 days. In neonatal rats, levels of the three neurotrophic factors were decreased on the first day after injury, and then gradually increased from the seventh day and remained at high levels for an extended period of time. We observed that greater neural plasticity contributed to better functional recovery in neonatal rats after brachial plexus root avulsion injury compared with adult rats. Moreover, immunohistochemical staining showed that the number of bromodeoxyuridine/nestin-positive cells increased significantly in the spinal cords of the adult rats compared with neonatal rats after brachial plexus root avulsion injury. In addition, the number of bromodeoxyuridine/glial fibrillary acidic protein-positive cells in adult rats was significantly higher than in neonatal rats 14 and 35 days after brachial plexus injury. Bromodeoxyuridine/β-tubulin-positive cells were not found in either adult or neonatal rats. These results indicate that neural stem cells differentiate mainly into astrocytes after brachial plexus root avulsion injury. Furthermore, the degree of neural stem cell differentiation in neonatal rats was lower than in adult rats. |
| Related Links | http://dx.doi.org/10.3969/j.issn.1673-5374.2012.23.004 |
| Starting Page | 1786 |
| File Format | |
| ISSN | 18767958 |
| e-ISSN | 18767958 |
| Journal | Neural Regeneration Research |
| Issue Number | 23 |
| Volume Number | 7 |
| Language | English |
| Publisher | Medknow Publications & Media Pvt Ltd |
| Publisher Date | 2012-08-15 |
| Access Restriction | Open |
| Rights Holder | Medknow Publications & Media Pvt Ltd |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Developmental Neuroscience |
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