EMT, cancer stem cells and drug resistance: an emerging axis of evil in the war on cancer

被引：2084

作者：

Singh, A. ^{[1
]}

Settleman, J. ^{[1
]}

机构：

[1] Harvard Univ, Sch Med, Massachusetts Gen Hosp, Dept Med,Canc Ctr, Charlestown, MA 02129 USA

来源：

ONCOGENE | 2010年 / 29卷 / 34期

关键词：

EMT; cancer; cancer stem cells; drug resistance; EPITHELIAL-MESENCHYMAL TRANSITION; GENE-EXPRESSION SIGNATURE; TUMOR-INITIATING CELLS; ACUTE MYELOID-LEUKEMIA; BREAST-CANCER; MIR-200; FAMILY; E-CADHERIN; LUNG-CANCER; REPRESSORS ZEB1; SMAD PROTEINS;

D O I：

10.1038/onc.2010.215

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Tumors are cellularly and molecularly heterogeneous, with subsets of undifferentiated cancer cells exhibiting stem cell-like features (CSCs). Epithelial to mesenchymal transitions (EMT) are transdifferentiation programs that are required for tissue morphogenesis during embryonic development. The EMT process can be regulated by a diverse array of cytokines and growth factors, such as transforming growth factor (TGF)-beta, whose activities are dysregulated during malignant tumor progression. Thus, EMT induction in cancer cells results in the acquisition of invasive and metastatic properties. Recent reports indicate that the emergence of CSCs occurs in part as a result of EMT, for example, through cues from tumor stromal components. Recent evidence now indicates that EMT of tumor cells not only causes increased metastasis, but also contributes to drug resistance. In this review, we will provide potential mechanistic explanations for the association between EMT induction and the emergence of CSCs. We will also highlight recent studies implicating the function of TGF-beta-regulated noncoding RNAs in driving EMT and promoting CSC self-renewal. Finally we will discuss how EMT and CSCs may contribute to drug resistance, as well as therapeutic strategies to overcome this clinically. Oncogene (2010) 29, 4741-4751; doi: 10.1038/onc.2010.215; published online 7 June 2010

引用

页码：4741 / 4751

页数：11

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