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- W2133031104 abstract "ABSTRACT Bone marrow-derived mesenchymal stem cells (MSCs) have been reported to migrate to brain lesions in experimental models of ischemia, tumors, and neurodegenerative diseases and to ameliorate functional deficits. In this study, we attempted to evaluate the therapeutic potential of MSCs for treating prion diseases. Immortalized human MSCs (hMSCs) that express the LacZ gene were transplanted into the unilateral hippocampi or thalami of mice, and their distributions were monitored by the expression of β-galactosidase. In mice infected with prions, hMSCs transplanted at 120 days postinoculation (dpi) were detected on the contralateral side at 2 days after transplantation and existed there even at 3 weeks after transplantation. In contrast, few hMSCs were detected on the contralateral side for mock-infected mice. Interestingly, the migration of hMSCs appeared to correlate with the severity of neuropathological lesions, including disease-specific prion protein deposition. The hMSCs also migrated to a prion-specific lesion in the brain, even when intravenously injected. Although the effects were modest, intrahippocampal and intravenous transplantation of hMSCs prolonged the survival of mice infected with prions. A subpopulation of hMSCs in the brains of prion-infected mice produced various trophic factors and differentiated into cells of neuronal and glial lineages. These results suggest that MSCs have promise as a cellular vehicle for the delivery of therapeutic genes to brain lesions associated with prion diseases and, furthermore, that they may help to regenerate neuronal tissues damaged by prion propagation." @default.
- W2133031104 created "2016-06-24" @default.
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- W2133031104 date "2009-06-01" @default.
- W2133031104 modified "2023-10-11" @default.
- W2133031104 title "Effect of Transplantation of Bone Marrow-Derived Mesenchymal Stem Cells on Mice Infected with Prions" @default.
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- W2133031104 doi "https://doi.org/10.1128/jvi.00165-09" @default.
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