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Issue title: Papers of the 31st Conference of the German Society for Clinical Microcirculation and Hemorheology, Halle, Germany, 15–16 June 2012
Article type: Research Article
Authors: Franke, R.P. | Fuhrmann, R. | Hiebl, B. | Jung, F.
Affiliations: Central Institute for Biomedical Engineering, Department of Biomaterials, University of Ulm, Ulm, Germany | Department for Clinical Haemostasiology and Transfusion Medicine, University of Saarland, Homburg/Saar, Germany
Note: [] Corresponding author: Prof. Dr. F. Jung, Department for Clinical Haemostasiology and Transfusion Medicine, University of Saarland, Homburg/Saar, Germany. E-mail: [email protected]
Abstract: Various radiographic contrast media (RCM) are available for visualization of blood vessels in interventional cardiology which can vary widely in their physicochemical properties thereby influencing different functions of blood cells. In the in vitro study described here the influence of two RCMs on arterial as well as on venous endothelial cells was compared to control cultures and examined under statical culture conditions, thus eliminating the influence of RCM viscosity almost completely. The supplementation of the culture medium with RCM (30% v/v) resulted in clearly different reactions of the endothelial cells exposed. Exposition to Iodixanol supplemented culture medium was followed by endothelin-1 release from venous endothelial cells which was equivalent to the endothelin-1 release from venous control cultures. Compared to control cultures, venous endothelial cells exposed to culture medium supplemented with Iomeprol displayed a completely different reaction, the increase in endothelin-1 secretion was missing completely after a 12 hours exposure. Following a 12 hours exposure to both RCMs there were no longer endothelial cells adherent, neither in venous nor in arterial endothelial cell cultures. The study showed that not the wall shear stress was responsible for the differing effects visible after 1.5 min, 5 min, and 12 hours exposure to culture media supplemented with RCM but differences in chemotoxicity of the RCM applied.
Keywords: Endothelin-1, angiographic contrast media, primary human endothelial cells, extracellular matrix
DOI: 10.3233/CH-2012-1600
Journal: Clinical Hemorheology and Microcirculation, vol. 52, no. 2-4, pp. 229-234, 2012
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