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中药消痰散结方对人胃癌裸鼠原位移植瘤VEGF,KDRmRNA表达的影响 被引量:18

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摘要 目的:研究消痰散结方(以下简称消方)对裸鼠人胃癌原位种植瘤生长转移的抑制作用及其对(vascular endothelial growth factor,VEGF),(kinase insert domain receptor, KDR)表达的影响. 方法:建立人胃癌裸鼠原位种植高转移模型,实验动物随机分为4组(荷瘤对照组、消痰散结方组、5-FI化疗组、联合组),于接种第12 wk处死动物,取肝脏及淋巴结, 作组织病理学检查,观察消方对肿瘤转移的抑制率,同时留取部分标本运用逆转录聚合酶链反应(RT-PCR)对VEGF、KDRmRNA作定量检测. 结果:所有荷瘤鼠胃壁均有肿瘤生长,且有不同程度的远处转移.RT-PCR检测发现,消方组、化疗组、联合组癌组织内VEGF、KDRmRNA含量均显著低于荷瘤对照组(P<0.01),且消方组中癌组织VEGF、KDRmRNA表达量较化疗组、联合组亦明显降低(P<0.01),具有统计学意义. 结论:消方具有一定抑制胃癌转移的作用.其作用机制之一可能是下调了肿瘤组织VEGF、KDRmRNA表达水平而起到抗胃癌浸润转移的作用.
出处 《世界华人消化杂志》 CAS 2004年第4期988-990,共3页 World Chinese Journal of Digestology
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参考文献14

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二级参考文献9

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