目的:检测m itogen activated prote in k inase k inase 4(MKK-4)、MMP-9基因在原发性肝癌中的表达,探讨原发性肝癌MKK-4与MMP-9 mRNA表达水平间的相互关系,及两者对原发性肝癌侵袭转移的影响。方法:应用逆转录-聚合酶链反应(RT-PCR)检...目的:检测m itogen activated prote in k inase k inase 4(MKK-4)、MMP-9基因在原发性肝癌中的表达,探讨原发性肝癌MKK-4与MMP-9 mRNA表达水平间的相互关系,及两者对原发性肝癌侵袭转移的影响。方法:应用逆转录-聚合酶链反应(RT-PCR)检测34例原发性肝癌癌组织和相应癌旁组织及12例正常肝组织中MKK-4 mRNA、MMP-9 mRNA的表达。结果:癌旁与正常肝组织的MMP-9 mRNA表达差异无显著统计学意义(P>0.05),癌中的MMP-9 mRNA表达增高,且转移癌与未转移癌组间有差异(P<0.05),转移癌组、未转移癌组分别与正常组及癌旁组织比较有差异(P<0.01);MKK-4 mRNA在正常及癌旁组织中表达无差异(P>0.05),转移癌组、未转移癌组分别与正常组及癌旁组比较有差异(P<0.01),转移癌中较未转移癌中的表达低(P<0.05);MKK-4或MMP-9的mRNA表达均与肿瘤的大小、分化无关(P>0.05);MKK-4 mRNA与MMP-9 mRNA的表达有一定的相关性(r=-0.925,P<0.01)。结论:提示MKK-4 mRNA与MMP-9 mRNA的表达改变与原发性肝癌侵袭转移的发生发展有一定的关系。展开更多
More and more studies indicate that there are many similarities such as pathophysiological process,gene expression,immune escape,angiogenesis and invasion characteristic between embryo implantation and neoplasm invasi...More and more studies indicate that there are many similarities such as pathophysiological process,gene expression,immune escape,angiogenesis and invasion characteristic between embryo implantation and neoplasm invasion and metastasis, which are taken for two "blackboxes" in medical field at present. Not only will cross studies between both sides promote respective subject development, but also become the breach to reveal life origin,developmental biology of neoplasm and embryo and intrinsic mechanisms of embryo implantation and neoplasm invasion and metastasis.展开更多
文摘More and more studies indicate that there are many similarities such as pathophysiological process,gene expression,immune escape,angiogenesis and invasion characteristic between embryo implantation and neoplasm invasion and metastasis, which are taken for two "blackboxes" in medical field at present. Not only will cross studies between both sides promote respective subject development, but also become the breach to reveal life origin,developmental biology of neoplasm and embryo and intrinsic mechanisms of embryo implantation and neoplasm invasion and metastasis.