Co-culture of endothelial cells and patterned smooth muscle cells on titanium: construction with high density of endothelial cells and low density of smooth muscle cells.

Abstract:

:Endothelialization has been considered a promising method to improve the biocompatibility of vascular implanted biomaterials. However, little is known about the anti-coagulation, anti-inflammatory, anti-atherosclerosis and anti-shedding property of the attached endothelial cells (ECs) and the relationship with their bio-environment and material-environment, which are both important evaluations to the cardiovascular biomaterials designed for tissue engineering applications and in vivo implantation. In this in vitro study, a novel co-culture model was built, where vascular smooth muscle cells (SMCs) were cultured on the hyaluronic acid (HA) micro-strip patterned titanium (Ti) surface on a low density to biomimetic the EC pericyte environment. Subsequently, the EC number and its functional factor, including nitric oxide (NO), prostacyclin (PGI2), tissue factor pathway inhibitor (TFPI), thrombomodulin (TM), and the inflammatory induced factor, endothelial leukocyte adhesion molecule-1 (E-selectin) were quantified, respectively. The anti-shedding property was also assessed by the blood flow shear stress (BFSS) acting. The results showed that the novel co-culture model possessed better EC coverage, functional factor release and anti-shedding functions than the control.

authors

Li J,Zhang K,Wu J,Liao Y,Yang P,Huang N

doi

10.1016/j.bbrc.2014.10.127

subject

Has Abstract

pub_date

2015-01-09 00:00:00

pages

555-61

issue

2

eissn

0006-291X

issn

1090-2104

pii

S0006-291X(14)01947-0

journal_volume

456

pub_type

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