Epithelial-mesenchymal transition in hepatocellular carcinoma.

Epithelial-mesenchymal transition in hepatocellular carcinoma.
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DOI:
10.2217/fon.09.91
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发表时间:
2009-10
期刊:
Future oncology (London, England)
影响因子:
--
通讯作者:
Mikulits W
Mikulits W
中科院分区:
其他
文献类型:
--
作者:
van Zijl F;Zulehner G;Petz M;Schneller D;Kornauth C;Hau M;Machat G;Grubinger M;Huber H;Mikulits W

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上皮细胞向间充质表型(EMT)的转变与胚胎发育和成人伤口愈合密切相关。在过去的十年中,EMT已经被越来越多的人认识到发生在各种癌症的进展中,如肝细胞癌(HCC)。在这里,我们集中在实验性肝脏模型和人肝细胞癌中的EMT,强调显示胚胎程序(如转化生长因子-β和WNT/β-连环蛋白信号)部分复发的潜在分子机制,包括与肝炎病毒的协作。我们进一步讨论了恶性肝细胞的分化过程中可能获得的干细胞,以及间充质向上皮的转变,EMT的逆转,在癌症扩散和转移性定植中的参与。肝细胞癌患者行EMT的有力证据要求在病理评估和治疗概念上采取新的策略,以有效地对抗肝细胞癌的进展。
The transition of epithelial cells to a mesenchymal phenotype (EMT) is of paramount relevance for embryonic development and adult wound healing. During the past decade, EMT has been increasingly recognized to occur during the progression of various carcinomas such as hepatocellular carcinoma (HCC). Here we focus on EMT in both experimental liver models and human HCC, emphasizing the underlying molecular mechanisms which show partial recurrence of embryonic programs such as TGF-β and Wnt/β-catenin signaling including collaboration with hepatitis viruses. We further discuss the differentiation repertoire of malignant hepatocytes with respect to the potential acquisition of stemness, and the involvement of the mesenchymal to epithelial transition, the reversal of EMT, in cancer dissemination and metastatic colonization. The strong evidence for EMT in HCC patients demands novel strategies in pathological assessments and therapeutic concepts to efficiently combat HCC progression.
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