Abstract
The remarkable potentiality of bone marrow-derived mesenchymal stem cells (BM-MSCs) after transplantation to models of neurological disease and injury has been described. We have previously published data confirming the influence of BM-MSCs on β-amyloid (Aβ) deposition in an Alzheimer’s disease (AD) mouse model. However, therapeutic approaches in neurological diseases such as AD, including those for BM-MSCs, are increasingly centered on the potential for prophylactic therapy in pro-dromal states where the underlying cause of the disease is apparent but functional deficits are not. In order to investigate whether BM-MSCs could have a beneficial effect in high-risk pre-dementia AD individuals, we treated young AD mice, at an age at which they display neuropathological, but not cognitive features of AD. Following a single intra-cerebral injection of BM-MSCs, interestingly, we found a significant decrease in the cerebral Aβ deposition compared with controls treated with PBS that was sustained up to 2 months post-injection. Expression of dynamin 1 and Synapsin 1, key pre-synaptic proteins associated with synaptic transmission, which are typically decreased in brains of AD patients, were considerably enhanced in the brains of AD mice treated with BM-MSCs and this response was sustained beyond 2 months. These data demonstrate that BM-MSCs produce an acute reduction in Aβ deposits and facilitate changes in key proteins required for synaptic transmission. These findings suggest that BM-MSC transplantation warrants further investigation as a potential therapy for early intervention in pro-dromal AD.
Keywords: Pre-dementia Alzheimer’s disease, bone marrow-derived mesenchymal stem cell, amyloid-β, dynamin 1, synaptic transmission related genes.
Current Alzheimer Research
Title:Bone Marrow-Derived Mesenchymal Stem Cells Contribute to the Reduction of Amyloid-β Deposits and the Improvement of Synaptic Transmission in a Mouse Model of Pre-Dementia Alzheimer’s Disease
Volume: 10 Issue: 5
Author(s): Jae-sung Bae, Hee Kyung Jin, Jong Kil Lee, Jill C. Richardson and Janet E. Carter
Affiliation:
Keywords: Pre-dementia Alzheimer’s disease, bone marrow-derived mesenchymal stem cell, amyloid-β, dynamin 1, synaptic transmission related genes.
Abstract: The remarkable potentiality of bone marrow-derived mesenchymal stem cells (BM-MSCs) after transplantation to models of neurological disease and injury has been described. We have previously published data confirming the influence of BM-MSCs on β-amyloid (Aβ) deposition in an Alzheimer’s disease (AD) mouse model. However, therapeutic approaches in neurological diseases such as AD, including those for BM-MSCs, are increasingly centered on the potential for prophylactic therapy in pro-dromal states where the underlying cause of the disease is apparent but functional deficits are not. In order to investigate whether BM-MSCs could have a beneficial effect in high-risk pre-dementia AD individuals, we treated young AD mice, at an age at which they display neuropathological, but not cognitive features of AD. Following a single intra-cerebral injection of BM-MSCs, interestingly, we found a significant decrease in the cerebral Aβ deposition compared with controls treated with PBS that was sustained up to 2 months post-injection. Expression of dynamin 1 and Synapsin 1, key pre-synaptic proteins associated with synaptic transmission, which are typically decreased in brains of AD patients, were considerably enhanced in the brains of AD mice treated with BM-MSCs and this response was sustained beyond 2 months. These data demonstrate that BM-MSCs produce an acute reduction in Aβ deposits and facilitate changes in key proteins required for synaptic transmission. These findings suggest that BM-MSC transplantation warrants further investigation as a potential therapy for early intervention in pro-dromal AD.
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Bae Jae-sung, Jin Hee Kyung, Lee Jong Kil, Richardson Jill C. and Carter Janet E., Bone Marrow-Derived Mesenchymal Stem Cells Contribute to the Reduction of Amyloid-β Deposits and the Improvement of Synaptic Transmission in a Mouse Model of Pre-Dementia Alzheimer’s Disease, Current Alzheimer Research 2013; 10 (5) . https://dx.doi.org/10.2174/15672050113109990027
DOI https://dx.doi.org/10.2174/15672050113109990027 |
Print ISSN 1567-2050 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5828 |
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