Transplantation of Circulating Endothelial Progenitor Cells Restores Endothelial Function of Denuded Rabbit Carotid Arteries
- 1 October 2004
- journal article
- research article
- Published by Wolters Kluwer Health in Stroke
- Vol. 35 (10) , 2378-2384
- https://doi.org/10.1161/01.str.0000141893.33677.5d
Abstract
Background and Purpose— Circulating endothelial progenitor cells (EPCs) play an important role in repair of injured vascular endothelium and neovascularization. The present study was designed to determine the effect of EPCs transplantation on the regeneration of endothelium and recovery of endothelial function in denuded carotid arteries. Methods— Isolated mononuclear cells from rabbit peripheral blood were cultured in endothelial growth medium for 7 days, yielding EPCs. A rabbit model of common carotid artery denudation by passage of a deflated balloon catheter was used to evaluate the effects of EPCs on endothelial regeneration and vasomotor function. Immediately after denudation, autologous EPCs (105 cells in 200 μL saline) or 200 μL saline alone (control) were administered into the lumen of injured artery. Results— Four weeks after transplantation, fluorescence-labeled colonies of EPCs were found in the vessel wall. Local transplantation of EPCs as compared with saline administration accelerated endot...Keywords
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