Collagen type I together with fibronectin provide a better support for endothelialization
- 31 August 2012
- journal article
- Published by Cellule MathDoc/CEDRAM in Comptes Rendus Biologies
- Vol. 335 (8), 520-528
- https://doi.org/10.1016/j.crvi.2012.07.003
Abstract
Endothelialization of vascular implants is limited by the inability of cells to retain adhesion when exposed to flow. Extracellular matrix proteins, including fibronectin and collagen, enhance cell adherence on materials. This study investigated the behaviour of Human Umbilical Vein Endothelial Cells (HUVEC) on extracellular matrix coated polystyrene. Collagen and fibronectin were coated as single and double layers to analyse differences in cell proliferation, morphology, and cell-protein interactions. Significantly higher endothelial cell proliferation and migration rates were observed on the collagen and collagen + fibronectin coating compared to the uncoated or fibronectin-coated sample. Immmunofluorescent microscopy showed evidence of extracellular matrix remodelling in the double, collagen + fibronectin coating. These results strongly suggest that a double coating of collagen + fibronectin provides a better support structure for endothelial cell growth and contributes to improve the ability of vascular implants to become and remain endothelializedKeywords
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