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- W2103406075 abstract "Previous reports showed that human RAD50 (hRAD50) gene delivery induced regression of an experimental rat tumor and porcine neointimal hyperplasia. In this study, we examined the effects of hRAD50 on the morphological changes and migration of endothelial cells (EC) as possible mechanisms by which hRAD50 might block angiogenesis. Quantitative image analysis revealed significant inhibition of the number and total area of blood vessels in rat tumor tissues following hRAD50 gene delivery. hRAD50 distorted actin and tubulin arrangements, and significantly reduced the F/G-actin ratio and increased the nitric oxide (NO) production in the primary cultured human EC. These effects were blocked by pretreatment with L-NAME (N(G)-nitro-L-arginine-methyl ester), a NO synthase inhibitor. FACScan analysis showed that NO was involved in the necrosis and apoptosis of EC by hRAD50. hRAD50 also inhibited EC migration in an in vitro wound-healing model. These results indicate that NO-dependent cytoskeletal changes and inhibition of EC migration contribute to the suppression of angiogenesis by hRAD50 delivery in vivo." @default.
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- W2103406075 date "2003-09-10" @default.
- W2103406075 modified "2023-09-24" @default.
- W2103406075 title "Nitric oxide-dependent cytoskeletal changes and inhibition of endothelial cell migration contribute to the suppression of angiogenesis by RAD50 gene transfer" @default.
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- W2103406075 doi "https://doi.org/10.1016/s0014-5793(03)00967-0" @default.
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