4.7 Review

Emerging Concepts of Hybrid Epithelial-to-Mesenchymal Transition in Cancer Progression

期刊

BIOMOLECULES
卷 10, 期 11, 页码 -

出版社

MDPI
DOI: 10.3390/biom10111561

关键词

collective migration; epithelial/mesenchymal phenotype; phenotypic stability factor; hybrid/partial EMT; metastasis; stemness

资金

  1. Chittaranjan National Cancer Institute
  2. Department of Science and Technology, Biotechnology, Govt. of West Bengal, India

向作者/读者索取更多资源

Epithelial mesenchymal transition (EMT) is a complex process through which epithelial (E) cells lose their adherens junctions, transform into mesenchymal (M) cells and attain motility, leading to metastasis at distant organs. Nowadays, the concept of EMT has shifted from a binary phase of interconversion of pure E to M cells and vice versa to a spectrum of E/M transition states preferably coined as hybrid/partial/intermediate EMT. Hybrid EMT, being a plastic transient state, harbours cells which co-express both E and M markers and exhibit high tumourigenic properties, leading to stemness, metastasis, and therapy resistance. Several preclinical and clinical studies provided the evidence of co-existence of E/M phenotypes. Regulators including transcription factors, epigenetic regulators and phenotypic stability factors (PSFs) help in maintaining the hybrid state. Computational and bioinformatics approaches may be excellent for identifying new factors or combinations of regulatory elements that govern the different EMT transition states. Therapeutic intervention against hybrid E/M cells, though few, may evolve as a rational strategy against metastasis and drug resistance. This review has attempted to present the recent advancements on the concept and regulation of the process of hybrid EMT which generates hybrid E/M phenotypes, evidence of intermediate EMT in both preclinical and clinical setup, impact of partial EMT on promoting tumourigenesis, and future strategies which might be adapted to tackle this phenomenon.

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