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全反式维甲酸联合苦参素对大鼠肝癌演进中E-cadherin表达的影响

Journal of Henan Normal University(2014)

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Abstract
目的:探讨全反式维甲酸(ATRA)联合苦参素(OMT)干预大鼠肝癌演进中E-cadherin表达的变化.方法:用ATRA和OMT对SD大鼠肝癌变动物模型进行干预,分批处死取材,病理分级后,用免疫组化及Western blot法检测E-cadherin表达的变化.结果:在癌变及药物干预进程中,E-cadherin的表达均逐渐下降,且干预组E-cadherin的表达总是略高于诱癌组,且表达部位从肝细胞膜逐渐转移至细胞浆;尤其是从腺瘤样增生(AH)至胆管细胞癌(CCC)期,诱癌组E-cadherin的表达极显著低于对照组(P<0.05,P<0.01),在AH和CCC期时,干预组E-cadherin的表达极显著高于诱癌组(P<0.01).结论:ATRA和OMT可延缓大鼠肝癌变进程中E-cadherin表达的降低,提示ATRA和OMT可在一定程度上推迟肝癌的发生发展.
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Key words
SD rat,liver cancer,E-cadherin,all-trans retinoic acid,oxymatrine
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