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

被引:28
|
作者
Li, Jingan [1 ]
Zhang, Kun [1 ,2 ,3 ]
Wu, Juejue [1 ]
Liao, Yuzhen [1 ]
Yang, Ping [1 ]
Huang, Nan [1 ]
机构
[1] Southwest Jiaotong Univ, Sch Mat Sci & Engn, Minist Educ, Key Lab Adv Technol Mat, Chengdu 610031, Peoples R China
[2] Zhengzhou Univ, Sch Life Sci, Zhengzhou 450001, Peoples R China
[3] Zhengzhou Univ, Affiliated Hosp 1, Ctr Stem Cell & Regenerat Med, Zhengzhou 450052, Peoples R China
基金
中国国家自然科学基金; 中国博士后科学基金;
关键词
Cardiovascular implants; Endothelialization; Co-culture; Biocompatibility; FACTOR PATHWAY INHIBITOR; ACID MICRO-PATTERN; NO PRODUCTION; SHEAR-STRESS; NITRIC-OXIDE; EXPRESSION; ACTIVATION; HEPARIN; THROMBOMODULIN; FIBRONECTIN;
D O I
10.1016/j.bbrc.2014.10.127
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
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 (PGI(2)), 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. (C) 2014 Published by Elsevier Inc.
引用
收藏
页码:555 / 561
页数:7
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