Griese, Daniel P. and Achatz, Stefan and Batzlsperger, Christian A. and Strauch, Ulrike G. and Grumbeck, Bernhard and Weil, Joachim and Riegger, Guenter A. J. (2003) Vascular gene delivery of anticoagulants by transplantation of retrovirally-transduced endothelial progenitor cells. CARDIOVASCULAR RESEARCH, 58 (2). pp. 469-477. ISSN 0008-6363
Full text not available from this repository. (Request a copy)Abstract
Objective: Recent studies have documented the presence of bone marrow-derived endothelial progenitor cells (EPC) in the circulation of several species. This study was designed to evaluate the use of engineered EPC for vascular gene delivery into angioplasty-induced arterial lesions. Methods and Results: EPC could easily be isolated from whole bone marrow and peripheral blood of adult rats. Differentiation was induced by culture on fibronectin in the presence of endothelial specific growth factors. Rat EPC shared several phenotypic and functional properties with mature endothelial cells. Recombinant retroviruses were generated encoding for the anticoagulants tissue-type plasminogen activator (tPA) and hirudin. Efficient (>90%) ex vivo gene transfer could be achieved resulting in high levels of transgene production. Engineered EPC were locally infused into freshly balloon-injured carotid arteries. Analysis of day 7 vessels showed 73 +/- 10% luminal coverage of the lesioned arterial bed with transduced EPC. Sustained secretion of both anticoagulants could be detected in organ cultures of explanted arteries. EPC seeding inhibited dilation of the injured arterial segment and prevented reduction of media thickness. However, rapid repopulation with EPC failed to attenuate neointima formation in this model. Conclusions: Peripheral blood and bone marrow can be used as source for endothelial lineage cells. Cultured EPC can be genetically engineered by retroviral gene transfer and serve as cellular vehicles for vascular gene and drug delivery of anticoagulants. Local transplantation of EPC attenuates reendothelialization of angioplasty-injured arteries but fails to inhibit neointima proliferation. (C) 2003 European Society of Cardiology. Published by Elsevier Science B.V. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | TISSUE-PLASMINOGEN ACTIVATOR; NEURAL STEM-CELLS; BONE-MARROW; NEOINTIMA FORMATION; IN-VIVO; RABBIT ARTERIES; STATIN THERAPY; CD34(+) CELLS; EXPRESSION; NEOVASCULARIZATION; angioplasty; anticoagulants; cell isolation; endothelial function; gene therapy |
| Subjects: | 600 Technology > 610 Medical sciences Medicine |
| Divisions: | Medicine > Lehrstuhl für Innere Medizin I Medicine > Lehrstuhl für Innere Medizin II |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 13 Sep 2021 08:15 |
| Last Modified: | 13 Sep 2021 08:15 |
| URI: | https://pred.uni-regensburg.de/id/eprint/39020 |
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