期刊
NATURE REVIEWS CANCER
卷 21, 期 5, 页码 325-338出版社
NATURE PORTFOLIO
DOI: 10.1038/s41568-021-00332-6
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资金
- American Cancer Society - New England Division - Ellison Foundation Postdoctoral Fellowship [PF-15-131-01-CSM]
- Ludwig Center for Molecular Oncology at MIT
- MIT Stem Cell Initiative through Fondation MIT
- Breast Cancer Research Foundation
- National Institutes of Health, National Cancer Institute Program [R01-CA078461, R35-CA220487]
Epithelial stem cells play critical roles in tissue generation, maintenance, and repair, while cancer stem cells are implicated in the growth and recurrence of many carcinomas. The activation of epithelial-mesenchymal transition (EMT) is linked to the formation of both normal and neoplastic stem cells, but the mechanistic basis of this connection remains unclear. Understanding the elusive links between EMT programs and the stem cell state will advance our knowledge of normal stem cell biology and cancer pathogenesis.
Epithelial stem cells serve critical physiological functions in the generation, maintenance and repair of diverse tissues through their ability to self-renew and spawn more specialized, differentiated cell types. In an analogous fashion, cancer stem cells have been proposed to fuel the growth, progression and recurrence of many carcinomas. Activation of an epithelial-mesenchymal transition (EMT), a latent cell-biological programme involved in development and wound healing, has been linked to the formation of both normal and neoplastic stem cells, but the mechanistic basis underlying this connection remains unclear. In this Perspective, we outline the instances where aspects of an EMT have been implicated in normal and neoplastic epithelial stem cells and consider the involvement of this programme during tissue regeneration and repair. We also discuss emerging concepts and evidence related to the heterogeneous and plastic cell states generated by EMT programmes and how these bear on our understanding of cancer stem cell biology and cancer metastasis. A more comprehensive accounting of the still-elusive links between EMT programmes and the stem cell state will surely advance our understanding of both normal stem cell biology and cancer pathogenesis.
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