Dynamic Interactions Between Cancer Stem Cells and Their Stromal Partners

Tea Soon Park, Vera S. Donnenberg, Albert D. Donnenberg, Elias T. Zambidis, Ludovic Zimmerlin

Research output: Contribution to journalReview article

Abstract

The cancer stem cell (CSC) paradigm presumes the existence of self-renewing cancer cells capable of regenerating all tumor compartments and exhibiting stem cell-associated phenotypes. Recent interpretations of the CSC hypothesis envision stemness as a dynamic trait of tumor-initiating cells rather than a defined and unique cell type. Bidirectional crosstalk between the tumor microenvironment and the cancer bulk is well-described in the literature, and the tumor-associated stroma, vasculature, and immune infiltrate have all been implicated as direct contributors to tumor development. These non-neoplastic cell types have also been shown to organize specific niches within the tumor bulk, where they can control the intratumor CSC content and alter the fate of CSCs and tumor progenitors during tumorigenesis to acquire phenotypic features for invasion, metastasis, and dormancy. Despite the complexity of the tumor–stroma interactome, novel therapeutic approaches envision combining tumor-ablative treatment with manipulation of the tumor microenvironment. We will review the currently available literature that provides clues about the complex cellular network that regulates the CSC phenotype and its niches during tumor progression.

Original languageEnglish (US)
Pages (from-to)41-52
Number of pages12
JournalCurrent Pathobiology Reports
Volume2
Issue number1
DOIs
StatePublished - Mar 1 2014

Keywords

  • Cancer stem cells
  • Mesenchymal stem/stromal cells
  • Tumor microenvironment
  • Tumor progression
  • Tumor-initiating cells

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Molecular Biology
  • Cell Biology
  • Cancer Research

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