PMID: 16638301Apr 28, 2006Paper

Effects of sense vascular endothelial growth factor cDNA transfection on mononuclear chemotaxis protein-1 expression in rat pulmonary microvessel endothelial cells

Zhonghua jie he he hu xi za zhi = Zhonghua jiehe he huxi zazhi = Chinese journal of tuberculosis and respiratory diseases
Guang-bin CuiXiao-feng Huang

Abstract

To study the transformation characteristics of tight junction of microvessel endothelial cells in bleomycin (BLM) induced pulmonary fibrosis (PF), and the effects of vascular endothelial growth factor (VEGF) on mononuclear chemotaxis protein-1 (MCP-1) mRNA expression in pulmonary microvessel endothelial cells (EC). Forty healthy rats were equally divided into a control and an experimental group in random. In the experimental group, PF were induced by BLM application. In each group, 10 rats were instilled by lanthanum sal at 3, 7, 14 and 28 d after BLM application, and lung samples were made and observed by transmission electron microscopy. The pulmonary microvessel EC of the other 10 rats in each group were preserved by tissue culture methods at the same time, and the cells were transfected with sense VEGF cDNA, and then MCP-1 mRNA expression was detected by reverse transcriptase-polymerase chain reaction (RT-PCR) technique. Blood vessel endothelial cells of the control group were intact. The basement membrane was shown as a continuous line. Granules of lanthanum sal did not cross the tight junction of endothelial cells. The width of the junction gap in rats of the experimental group treated at different times was increased and...Continue Reading

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