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Pang Q, Zhang H, Chen Z, Wu Y, Bai M, Liu Y, Zhao Y, Tu F, Liu C, Chen X. Role of caveolin-1/vascular endothelial growth factor pathway in basic fibroblast growth factor-induced angiogenesis and neurogenesis after treadmill training following focal cerebral ischemia in rats. Brain Res 2017; 1663:9-19. [DOI: 10.1016/j.brainres.2017.03.012] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Revised: 03/07/2017] [Accepted: 03/08/2017] [Indexed: 11/26/2022]
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Ziaee SM, Tabeshmehr P, Haider KH, Farrokhi M, Shariat A, Amiri A, Hosseini SM. Optimization of time for neural stem cells transplantation for brain stroke in rats. Stem Cell Investig 2017; 4:29. [PMID: 28529944 DOI: 10.21037/sci.2017.03.10] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2016] [Accepted: 03/14/2017] [Indexed: 12/20/2022]
Abstract
BACKGROUND Despite encouraging data in terms of neurological outcome, stem cell based therapy for ischemic stroke in experimental models and human patients is still hampered by multiple as yet un-optimized variables, i.e., time of intervention, that significantly influence the prognosis. The aim of the present study was to delineate the optimum time for neural stem cells (NSCs) transplantation after ischemic stroke. METHODS The NSCs were isolated from 14 days embryo rat ganglion eminence and were cultured in NSA medium (neurobasal medium, 2% B27, 1% N2, bFGF 10 ng/mL, EGF 20 ng/mL and 1% pen/strep). The cells were characterized for tri-lineage differentiation by immunocytochemistry for tubulin-III, Olig2 and GFAP expression for neurons, oligodendrocytes and astrocyte respectively. The NSCs at passage 3 were injected intraventricularly in a rodent model of middle-cerebral artery occlusion (MCAO) on stipulated time points of 1 & 12 h, and 1, 3, 5 and 7 days after ischemic stroke. The animals were euthanized on day 28 after their respective treatment. RESULTS dUTP nick end labeling (TUNEL) assay and Caspase assay showed significantly reduced number of apoptotic cells on day 3 treated animals as compared to the other treatment groups of animals. The neurological outcome showed that the group which received NSCs 3 days after brain ischemia had the best neurological performance. CONCLUSIONS The optimum time for NSCs transplantation was day 3 after ischemic stroke in terms of attenuation of ischemic zone expansion and better preserved neurological performance.
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Affiliation(s)
- Seyyed Mohyeddin Ziaee
- Student Research Committee, Medical Faculty, Shiraz University of Medical Sciences, Shiraz, Iran.,Stem Cell Laboratory, Department of Anatomy, Medical Faculty, Shiraz University of Medical Sciences, Shiraz, Iran.,Cell & Molecular Medicine Student Research Group, Medical Faculty, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Parisa Tabeshmehr
- Cell & Molecular Medicine Student Research Group, Medical Faculty, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Majidreza Farrokhi
- Shiraz Neuroscience Research Center, Department of Neurology, Shiraz University of Medical Sciences, Shiraz, Iran.,Neurosurgery Department, Department of Neurology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Abdolhamid Shariat
- Shiraz Neuroscience Research Center, Department of Neurology, Shiraz University of Medical Sciences, Shiraz, Iran.,Clinical Neurology Research Center, Department of Neurology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Atena Amiri
- Shiraz Neuroscience Research Center, Department of Neurology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Seyed Mojtaba Hosseini
- Student Research Committee, Medical Faculty, Shiraz University of Medical Sciences, Shiraz, Iran.,Stem Cell Laboratory, Department of Anatomy, Medical Faculty, Shiraz University of Medical Sciences, Shiraz, Iran.,Cell & Molecular Medicine Student Research Group, Medical Faculty, Shiraz University of Medical Sciences, Shiraz, Iran
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