Abstract
NADPH oxidase has been shown to play an important role in cardiovascular biology. The goal of the present study was to determine whether NADPH oxidase activity is important for endothelial cell growth and migration. In proliferation assays, growth factor- or serum-induced DNA synthesis in three different types of human endothelial cells was abrogated by inhibitors of NADPH oxidase, but not by inhibitors of xanthine oxidase or nitric oxide synthase. Moreover, vascular endothelial growth factor-induced migration of human endothelial cells was suppressed in the presence of NADPH oxidase inhibitors. These results support a potential role for NADPH oxidase in mediating angiogenesis.
MeSH terms
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Acetophenones / pharmacology
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Allopurinol / pharmacology
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Cell Division / drug effects
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Cell Division / physiology
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Cell Movement / drug effects
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Cell Movement / physiology
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Cells, Cultured
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Dose-Response Relationship, Drug
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Endothelial Growth Factors / pharmacology
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Endothelium, Vascular / cytology
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Endothelium, Vascular / metabolism*
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Enzyme Inhibitors / pharmacology
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Fluorescent Dyes
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Humans
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Lymphokines / pharmacology
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NADPH Oxidases / antagonists & inhibitors
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NADPH Oxidases / metabolism*
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NADPH Oxidases / pharmacology
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NG-Nitroarginine Methyl Ester / pharmacology
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Nitric Oxide Synthase / antagonists & inhibitors
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Reactive Oxygen Species / metabolism
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Sulfones / pharmacology
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Vascular Endothelial Growth Factor A
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Vascular Endothelial Growth Factors
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Xanthine Oxidase / antagonists & inhibitors
Substances
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Acetophenones
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Endothelial Growth Factors
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Enzyme Inhibitors
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Fluorescent Dyes
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Lymphokines
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Reactive Oxygen Species
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Sulfones
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Vascular Endothelial Growth Factor A
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Vascular Endothelial Growth Factors
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4-(2-aminoethyl)benzenesulfonylfluoride
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Allopurinol
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acetovanillone
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Nitric Oxide Synthase
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Xanthine Oxidase
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NADPH Oxidases
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NG-Nitroarginine Methyl Ester