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篇目详细内容 |
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【篇名】 |
Role of nitric oxide in biological effects of vascular endothelial growth factor |
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【刊名】 |
Frontiers of Medicine in China |
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【刊名缩写】 |
Front. Med. China |
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【ISSN】 |
1673-7342 |
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【EISSN】 |
1673-7458 |
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【DOI】 |
10.1007/s11684-009-0062-1 |
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【出版社】 |
Higher Education Press and Springer-Verlag |
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【出版年】 |
2009 |
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【卷期】 |
3
卷3期 |
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【页码】 |
284-286
页,共
3
页 |
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【作者】 |
Qigong LIU M D;
Yan ZENG;
Jiani LIU;
Shan YE;
Yongdong LI;
Zaiying LU M D;
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【关键词】 |
vascular endothelial growth factor; nitric oxide; N-nitro-L-arginine methyl ester; vascular endothelial cells |
【摘要】 |
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To evaluate the role of nitric oxide in the biological effects of vascular endothelial growth factor (VEGF) and the possible mechanism of VEGF, the in vitro cultured vascular endothelial cells of rabbit aorta were divided into control group, VEGF-treated group and VEGF+ N-nitro-L-arginine methyl ester (L-NAME)-treated group. The absorbance (A) value of vascular endothelial cells and the levels of prostaglandin (PGI2), endothelin-1 (ET-1) and von Willebrand factor (vWF) in the supernatant were observed by water-soluble tetrazolium salt assay, radioimmunoassay and enzyme-linked immunosorbent assay. The A values and PGI2 in VEGF-treated group and VEGF+L-NAME-treated group were higher than those in control group (P<0.05 and P<0.01). The ET-1 and vWF were significantly decreased in VEGF-treated group and VEGF+L-NAME-treated group compared with the control (P<0.05 and P<0.01). These results indicate that VEGF could promote the proliferation and secretion of PGI2 and inhibit the secretion of ET-1 and vWF in vascular endothelial cells and that L-NAME could inhibit the effect of VEGF partially. Nitric oxide is an important mediator in the process of stimulating proliferation and regulating secretion of vascular endothelial cells by VEGF. |
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