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In vivo tracking of intravenously injected mesenchymal stem cells in an Alzheimer's animal model

Park, BN  | Lim, TS  | Yoon, JK  | An, YS
Cell transplantation, 27(8). : 1203-1209, 2018
Journal Title
Cell transplantation
PURPOSE: The purpose of this study was to investigate how intravenously injected bone marrow-derived mesenchymal stem cells (BMSCs) are distributed in the body of an Alzheimer's disease (AD) animal model.
METHODS: Stem cells were collected from bone marrow of mice and labeled with Indium-111 ((111)In). The (111)In-labeled BMSCs were infused intravenously into 3xTg-AD mice in the AD group and non-transgenic mice (B6129SF2/J) as controls. Biodistribution was evaluated with a gamma counter and gamma camera 24 and 48 h after injecting the stem cells.
RESULTS: A gamma count of the brain showed a higher distribution of labeled cells in the AD model than in the control group at 24 (p = .0004) and 48 h (p = .0016) after injection of the BMSCs. Similar results were observed by gamma camera imaging (i.e., brain uptake in the AD model was significantly higher than that in the control group). Among the other organs, uptake by the spleen was the highest in both groups. More BMSCs were found in the lungs of the control group than in those of the AD group.
CONCLUSIONS: These results suggest that more intravenously infused BMSCs reached the brain in the AD model than in the control group, but the numbers of stem cells reaching the brain was very small.
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Nuclear Medicine & Molecular Imaging
Journal Papers > School of Medicine / Graduate School of Medicine > Neurology
Ajou Authors
박, 복남  |  안, 영실  |  윤, 준기  |  임, 태성
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