Tracking Endothelial Progenitor Cells in Mice Using MRI
Author Information
Author(s): Chen Jun, Jia Zhen-Yu, Ma Zhan-Long, Wang Yuan-Yuan, Teng Gao-Jun
Primary Institution: Jiangsu Key Laboratory of Molecular Imaging and Functional Imaging, Department of Radiology, Zhongda Hospital, Southeast University, Nanjing, China
Hypothesis
Can in vivo MR imaging effectively track the migration of endothelial progenitor cells to injured arteries in mice?
Conclusion
The study suggests that MR imaging can be used to noninvasively track endothelial progenitor cells homing to injured arteries.
Supporting Evidence
- Labeled endothelial progenitor cells showed significant differences in vessel wall area compared to unlabeled and control groups.
- Histopathological analyses confirmed the accumulation of transfused cells at the injury site.
- In vivo MR imaging effectively tracked the migration of cells to the injured artery.
Takeaway
Researchers used MRI to see how special cells called endothelial progenitor cells move to help heal injured blood vessels in mice.
Methodology
Kunming mice underwent carotid artery injury, followed by intravenous transfusion of labeled endothelial progenitor cells and MR imaging to track their migration.
Limitations
The study could not determine the relationship between the number of labeled cells and the signal loss observed in MR imaging.
Participant Demographics
22 male Kunming mice, aged 18-20 weeks, weighing 35.0-45.0 g.
Statistical Information
P-Value
p=0.015
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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