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Open AccessJournal ArticleDOI

Epithelial–mesenchymal plasticity in carcinoma metastasis

Jeff H. Tsai, +1 more
- 15 Oct 2013 - 
- Vol. 27, Iss: 20, pp 2192-2206
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TLDR
The functional requirement of EMT and/or MET during the individual steps of tumor metastasis is reviewed and the potential of targeting this program when treating metastatic diseases is discussed.
Abstract
Tumor metastasis is a multistep process by which tumor cells disseminate from their primary site and form secondary tumors at a distant site. Metastasis occurs through a series of steps: local invasion, intravasation, transport, extravasation, and colonization. A developmental program termed epithelial-mesenchymal transition (EMT) has been shown to play a critical role in promoting metastasis in epithelium-derived carcinoma. Recent experimental and clinical studies have improved our knowledge of this dynamic program and implicated EMT and its reverse program, mesenchymal-epithelial transition (MET), in the metastatic process. Here, we review the functional requirement of EMT and/or MET during the individual steps of tumor metastasis and discuss the potential of targeting this program when treating metastatic diseases.

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Citations
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Journal ArticleDOI

The RNA binding protein quaking regulates formation of circRNAs.

TL;DR: It is shown that hundreds of circRNAs are regulated during human epithelial-mesenchymal transition (EMT) and that the production of over one-third of abundant circ RNAs is dynamically regulated by the alternative splicing factor, Quaking (QKI), which itself is regulated during EMT.
Journal ArticleDOI

Signaling mechanisms of the epithelial-mesenchymal transition

TL;DR: This review discusses how intracellular pathways and extracellular signals that regulate gene expression to induce EMT crosstalk and respond to signals from the microenvironment to regulate the expression and function of EMT-inducing transcription factors in development, physiology, and disease.
Journal ArticleDOI

Guidelines and definitions for research on epithelial–mesenchymal transition

Jing Yang, +47 more
TL;DR: This Consensus Statement is the outcome of a 2-year-long discussion among EMT researchers and aims to both clarify the nomenclature and provide definitions and guidelines for EMT research in future publications to reduce misunderstanding and misinterpretation of research data generated in various experimental models.
Journal ArticleDOI

The Immunomodulatory and Anti-Inflammatory Role of Polyphenols.

TL;DR: It is shown that polyphenols can play a beneficial role in the prevention and the progress of chronic diseases related to inflammation such as diabetes, obesity, neurodegeneration, cancers, and cardiovascular diseases, among other conditions.
References
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Journal ArticleDOI

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DeltaEF1 is a transcriptional repressor of E-cadherin and regulates epithelial plasticity in breast cancer cells.

TL;DR: RNA interference-mediated downregulation of deltaEF1 in cancer cells was sufficient to derepress E-cadherin expression and restore cell to cell adhesion, suggesting that deltaEF 1 is a key player in late stage carcinogenesis.
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Stabilization of Snail by NF-κB Is Required for Inflammation-Induced Cell Migration and Invasion

TL;DR: It is found that Snail is stabilized by the inflammatory cytokine TNFalpha through the activation of the NF-kappaB pathway, which is required for the induction of COP9 signalosome 2 (CSN2), which blocks the ubiquitination and degradation of Snail.
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Stem cell and epithelial-mesenchymal transition markers are frequently overexpressed in circulating tumor cells of metastatic breast cancer patients

TL;DR: The authors' data indicate that a major proportion of CTC of metastatic breast cancer patients shows EMT and tumor stem cell characteristics, and further studies are needed to prove whether these markers might serve as an indicator for therapy resistant tumor cell populations and, therefore, an inferior prognosis.
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