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Open Access Cross-Linking Enhances Deposition of Human Endothelial Progenitor Cells in the Rat Heart After Intracoronary Transplantation

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Transplantation of human endothelial progenitor cells (hEPCs) may improve vascularization and left ventricular function after myocardial infarction. The scope of this study was to explore, whether cross-linking of EPCs may enhance the deposition of cells in the rat heart after clinical-like, intracoronary transplantation. To this end, 111In-oxinate-labeled hEPCs were infused by a minimally invasive technique into the coronary arteries of immunosuppressed Wistar rats under control conditions and after ischemia/reperfusion. In a second set of experiments hEPCs were treated with phytohemagglutinin to create small cell clusters prior to transplantation. Continous three-dimensional HiSPECT images for 1 h and after 48 h revealed that cell deposition was significantly higher when hEPCs were cross-linked. Therefore, cross-linking of hEPCs may provide a promising approach to enhance the number of trapped cells also in a clinical setting.

Keywords: Catheter based; Endothelial progenitor cells (EPCs); Ischemia/reperfusion; SPECT; Transplantation

Document Type: Research Article


Publication date: 2010-01-01

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  • Cell Transplantation publishes original, peer-reviewed research and review articles on the subject of cell transplantation and its application to human diseases. To ensure high-quality contributions from all areas of transplantation, separate section editors and editorial boards have been established. Articles deal with a wide range of topics including physiological, medical, preclinical, tissue engineering, and device-oriented aspects of transplantation of nervous system, endocrine, growth factor-secreting, bone marrow, epithelial, endothelial, and genetically engineered cells, among others. Basic clinical studies and immunological research papers are also featured. To provide complete coverage of this revolutionary field, Cell Transplantation will report on relevant technological advances, and ethical and regulatory considerations of cell transplants. Cell Transplantation is now an Open Access journal starting with volume 18 in 2009, and therefore there will be an inexpensive publication charge, which is dependent on the number of pages, in addition to the charge for color figures. This will allow work to be disseminated to a wider audience and also entitle the corresponding author to a free PDF, as well as prepublication of an unedited version of the manuscript.
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