三氧化二砷对白血病细胞系K562和HL-60血管内皮生长因子表达的影响

Journal of China Pediatric Blood and Cancer(2008)

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Abstract
目的研究三氧化二砷对白血病细胞血管内皮生长因子(VEGF)表达的影响。方法体外培养白血病细胞株K562、HL-60,加入不同浓度的As2O3干预,用Westem bloting和荧光定量RT-PCR测定VEGF的蛋白和mRNA表达。结果K562和HL-60细胞经As2O3作用后,VEGF的蛋白表达明显减少,但VEGFmRNA拷贝数无差异。结论As2O3在蛋白水平抑制白血病细胞VEGF的表达,从而抑制骨髓血管生成,抑制白血病细胞的生长。
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Key words
Vascular endothelial growth factor,Leukemia,Angiogenesis,Arsenic trioxide
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