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Cited by 458

The DOI matches its Crossref record; 18 of the 18 references it cites were found in a registry or an index.

Serial Cardiac Magnetic Resonance Imaging of Injected Mesenchymal Stem Cells

Open access
Hill, Jonathan M., Dick, Alexander J., Raman, Venkatesh K., Thompson, Richard B., Yu, Zu-Xi, Hinds, K. Allison, Pessanha, Breno S.S., Guttman, Michael A., Varney, Timothy R., Martin, Bradley J., Dunbar, Cynthia E., McVeigh, Elliot R., Lederman, Robert J.·2003·Circulation

Abstract

Background— Delivery and tracking of endomyocardial stem cells are limited by the inability to image transplanted cells noninvasively in the beating heart. We hypothesized that mesenchymal stem cells (MSCs) could be labeled with a iron fluorophore particle (IFP) to provide MRI contrast in vivo to assess immediate and long-term localization. Methods and Results— MSCs were isolated from swine. Short-term incubation of MSCs with IFP resulted in dose-dependent and efficient labeling. Labeled cells remained viable for multiple passages and retained in vitro proliferation and differentiation capacity. Labeled MSCs (10 4 to 10 6 cells/150 μL) were injected percutaneously into normal and freshly infarcted myocardium in swine. One, 3, and 1 animals underwent serial cardiac MRI (1.5T) for 4, 8, and 21 days, respectively. MRI contrast properties were measured both in vivo and in vitro for cells embedded in agar. Injection sites containing as few as 10 5 MSCs could be detected and contained intact IFP-bearing MSCs on histology. Conclusions— IFP labeling of MSCs imparts useful MRI contrast, enabling ready detection in the beating heart on a conventional cardiac MR scanner after transplantation into normal and infarcted myocardium. The dual-labeled MSCs can be identified at locations corresponding to injection sites, both ex vivo using fluorescence microscopy and in vivo using susceptibility contrast on MRI. This technology may permit effective in vivo study of stem cell retention, engraftment, and migration.

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Metadata

Authors
Hill, J. M., Dick, A. J., Raman, V. K., Thompson, R. B., Yu, Z.-X., Hinds, K. A., Pessanha, B. S. S., Guttman, M. A., Varney, T. R., Martin, B. J., Dunbar, C. E., McVeigh, E. R., & Lederman, R. J.
Venue
Circulation
Published
2003-08-26
Volume
108
Issue
8
Pages
1009-1014
ISSN
  • 0009-7322 (ISSN-L)
  • 1524-4539
OpenAlex
W2120666169
Cited by
458
References
18
FWCI
19.58
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Serial Cardiac Magnetic Resonance Imaging of Injected Mesenchymal Stem Cells. https://app.cochat.ai/papers/10.1161/01.cir.0000084537.66419.7a
The paper
Hill, J. M., Dick, A. J., Raman, V. K., Thompson, R. B., Yu, Z.-X., Hinds, K. A., Pessanha, B. S. S., Guttman, M. A., Varney, T. R., Martin, B. J., Dunbar, C. E., McVeigh, E. R., & Lederman, R. J. (2003). Serial Cardiac Magnetic Resonance Imaging of Injected Mesenchymal Stem Cells. Circulation. https://doi.org/10.1161/01.cir.0000084537.66419.7a

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