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KMID : 1094720000050020106
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Biotechnology and Bioprocess Engineering
2000 Volume.5 No. 2 p.106 ~ p.109
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Culture of endothelial cells by transfection with plasmid harboring vascular endothelial growth factor
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Chang Sung-Jae
Sohn In-Sook
Park In-Chul
Sohn Young-Sook
Hong Seok-Il
Choe Tae-Boo
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Abstract
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Vascular endothelial cells (ECs) are usually difficult to culture in a large scale because of their complicated requirements for cell growth. As the vascular endothelial growth factor (VEGF) is a key growth factor in the EC culture, we transfected human umbilical vein endothelial cells (HUVEC) using a plasmid containing VEGF gene and let them grow in a culture medium eliminated an important supplement, endothelail cell growth supplement (ECGS). The expression of VEGF by HUVEC tansfected with VEGF gene was not enough to stimulate the growth of HUVEC, only 40% of maximum cell density obtainable in the presence of ECGS., However, when the culture medium was supplied with 2.5 ng/mL of basic fibroblast growth factor (bFGF), a synergistic effect of VEGF and bFGF was observed. In this case, the final cell density was recovered up to about 78% of maxium value.
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KEYWORD
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endothelial cell culture, vascular endothelial growth factor, transfection, autocrine
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