期刊
TISSUE ENGINEERING PART A
卷 16, 期 10, 页码 3043-3053出版社
MARY ANN LIEBERT, INC
DOI: 10.1089/ten.tea.2010.0131
关键词
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资金
- German Federal Ministry of Education and Research [0313754]
- Excellence Cluster REBIRTH
Polymeric materials used in biomedical devices, bioartificial organs, or for the fabrication of tissue engineering scaffolds should completely prevent the activation of the coagulation system and subsequent clot formation. Surface endothelialization is considered an important tool to optimize the blood compatibility of synthetic materials, as a functional endothelial cell layer on an artificial material may help control hemostasis and, therefore, provide a solution to improve the biocompatibility of these materials. Here we report on the endothelialization of poly 4-methyl-1-pentene (PMP) gas exchange membranes using human cord blood-derived late outgrowth endothelial colony forming cells. We achieved complete endothelialization of PMP membranes; and when seeded and cultivated on the membrane, cord blood-derived late outgrowth endothelial colony forming cells maintained both endothelial characteristics and functionality. Endothelialization resulted in significantly lower platelet adhesion and activation compared with unseeded membranes. Of importance, the endothelial layer had no major impact on gas permeability of PMP membranes. This study is a first promising step toward the development of a biofunctionalized surface for the use in gas exchange devices with blood contacting surfaces and a straightforward approach toward a long-term bio-hybrid lung replacement system.
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