Preparation and characterization of a VEGF-Fc fusion protein matrix for enhancing HUVEC growth

Preparation and characterization of a VEGF-Fc fusion protein matrix for enhancing HUVEC growth
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用于增强 HUVEC 生长的 VEGF-Fc 融合蛋白基质的制备和表征

DOI:
10.1007/s10529-012-0959-7
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发表时间:
2012-06
影响因子:
2.7
通讯作者:
Toshihiro Akaike
Toshihiro Akaike
中科院分区:
工程技术4区
文献类型:
--
作者:
Meihua Yu;Fengyi Du;Hirohiko Ise;Wei Zhao;Yan Zhang;Yaoting Yu;FanglianYao;Jun Yang;Toshihiro Akaike

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为了增强疏水性植入物在体内的血管形成,制备了由与免疫球蛋白G Fc结构域融合的血管内皮生长因子(VEGF)组成的VEGF-Fc融合蛋白作为人工细胞外基质(ECM)。由于Fc结构域的疏水性,VEGF-Fc被稳定地固定在聚苯乙烯板上,并显著增强人脐静脉内皮细胞(HUVECs)的粘附。此外,使用VEGF-Fc作为ECM显著促进HUVEC的增殖超过72小时,并诱导肌动蛋白丝重组为这些细胞内的更大的应力纤维。VEGF-Fc融合蛋白可能是一种有前途的促进内皮细胞生长的人工ECM。
To enhance vascularization of hydrophobic implants in vivo, a VEGF-Fc fusion protein consisting of vascular endothelial growth factor (VEGF) fused to the immunoglobulin G Fc domain was prepared as an artificial extracellular matrix (ECM). VEGF-Fc was stably immobilized on a polystyrene plate due to the hydrophobicity of the Fc domain, and significantly enhanced the adhesion of human umbilical vein endothelial cells (HUVECs). Additionally, the use of VEGF-Fc as an ECM markedly promoted the proliferation of HUVECs longer than 72 h and induced the reorganization of actin filaments into larger stress fibers within these cells. The VEGF-Fc fusion protein may be a promising artificial ECM for enhancing endothelial cell growth.
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