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Zhang XM, Sun Y, Zhou YL, Jiao ZM, Yang D, Ouyang YJ, Yu MY, Li JY, Li W, Wang D, Yue H, Fu J. Therapeutic effects of dental pulp stem cells on vascular dementia in rat models. Neural Regen Res 2021; 16:1645-1651. [PMID: 33433496 PMCID: PMC8323691 DOI: 10.4103/1673-5374.303042] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Dental pulp stem cells are a type of adult stem cells with strong proliferative ability and multi-differentiation potential. There are no studies on treatment of vascular dementia with dental pulp stem cells. In the present study, rat models of vascular dementia were established by two-vessel occlusion, and 30 days later, rats were injected with 2 × 107 dental pulp stem cells via the tail vein. At 70 days after vascular dementia induction, dental pulp stem cells had migrated to the brain tissue of rat vascular dementia models and differentiated into neuron-like cells. At the same time, doublecortin, neurofilament 200, and NeuN mRNA and protein expression levels in the brain tissue were increased, and glial fibrillary acidic protein mRNA and protein expression levels were decreased. Behavioral testing also revealed that dental pulp stem cell transplantation improved the cognitive function of rat vascular dementia models. These findings suggest that dental pulp stem cell transplantation is effective in treating vascular dementia possibly through a paracrine mechanism. The study was approved by the Animal Ethics Committee of Harbin Medical University (approval No. KY2017-132) in 2017.
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Affiliation(s)
- Xue-Mei Zhang
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Yang Sun
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Ying-Lian Zhou
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Zhuo-Min Jiao
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Dan Yang
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Yuan-Jiao Ouyang
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Mei-Yu Yu
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Jin-Yue Li
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Wei Li
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Duo Wang
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Hui Yue
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Jin Fu
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
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Zhang XM, Ouyang YJ, Yu BQ, Li W, Yu MY, Li JY, Jiao ZM, Yang D, Li N, Shi Y, Xu YY, He ZJ, Wang D, Yue H, Fu J. Therapeutic potential of dental pulp stem cell transplantation in a rat model of Alzheimer's disease. Neural Regen Res 2021; 16:893-898. [PMID: 33229725 PMCID: PMC8178760 DOI: 10.4103/1673-5374.297088] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Dental pulp stem cells are dental pulp-derived mesenchymal stem cells that originate from the neural crest. They exhibit greater potential for the treatment of nervous system diseases than other types of stem cells because of their neurogenic differentiation capability and their ability to secrete multiple neurotrophic factors. Few studies have reported Alzheimer’s disease treatment using dental pulp stem cells. Rat models of Alzheimer’s disease were established by injecting amyloid-β1–42 into the hippocampus. Fourteen days later, 5 × 106 dental pulp stem cells were injected into the hippocampus. Immunohistochemistry and western blot assays showed that dental pulp stem cell transplantation increased the expression of neuron-related doublecortin, NeuN, and neurofilament 200 in the hippocampus, while the expression of amyloid-β was decreased. Moreover, cognitive and behavioral abilities were improved. These findings indicate that dental pulp stem cell transplantation in rats can improve cognitive function by regulating the secretion of neuron-related proteins, which indicates a potential therapeutic effect for Alzheimer’s disease. This study was approved by the Animal Ethics Committee of Harbin Medical University, China (approval No. KY2017-132) on February 21, 2017.
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Affiliation(s)
- Xue-Mei Zhang
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Yuan-Jiao Ouyang
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Bing-Qian Yu
- Department of Neurology, Ningbo Hangzhou Bay Hospital, Ningbo, Zhejiang Province, China
| | - Wei Li
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Mei-Yu Yu
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Jin-Yue Li
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Zhuo-Min Jiao
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Dan Yang
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Na Li
- Department of Neurology, the First Hospital of Qiqihar, Qiqihar, Heilongjiang Province, China
| | - Ying Shi
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Yun-Yun Xu
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Zhi-Jun He
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Duo Wang
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Hui Yue
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Jin Fu
- Department of Neurology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
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