The (in) auspicious role of mesenchymal stromal cells in cancer: Be it friend or foe

S. Kidd, E. Spaeth, A. Klopp, M. Andreeff, B. Hall, Frank C. Marini

Research output: Contribution to journalReview articlepeer-review

112 Scopus citations

Abstract

Recent progress in the research of mesenchymal stromal cells/multipotent stromal cells (MSC) has revealed numerous beneficial innate characteristics, suggesting potential value in an array of cellular therapies. MSC are easily isolated from bone marrow (BM), fat and other tissues, and are readily propagated in vitro. Transplanted/injected MSC have been shown to migrate to a variety of organs and tissues; however, sites of inflammation and pathology elicit enhanced MSC homing for tissue remodeling and repair. Tumors utilize many of the same inflammatory mediators uncovered in wound healing and likewise provide a site for preferential MSC homing. Although incorporation into the tumor microenvironment is apparent, the role of recruited MSC in the tumor microenvironment remains unclear. Some published studies have shown enhancement of tumor growth and development, perhaps through immunomodulatory and pro-angiogenic properties, while others have shown no apparent effect or have demonstrated inhibition of tumor growth and extended survival. This controversy remains at the forefront as clinical applications of MSC commence in anti-tumor therapies as well as as adjuncts to stem cell transplantation and in ameliorating graft-versus-host disease. Careful analysis of past studies and thoughtful design of future experiments will help to resolve the discrepancies in the field and lead to clinical utility of MSC in disease treatment. This review highlights the current theories of the role of MSC in tumors and explores current controversies.

Original languageEnglish (US)
Pages (from-to)657-667
Number of pages11
JournalCytotherapy
Volume10
Issue number7
DOIs
StatePublished - 2008

Keywords

  • Cellular therapy
  • Mesenchymal stromal cell
  • Tumor microenvironment
  • Tumor stroma
  • Tumor-tropism

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology
  • Oncology
  • Genetics(clinical)
  • Cell Biology
  • Cancer Research
  • Transplantation

MD Anderson CCSG core facilities

  • Flow Cytometry and Cellular Imaging Facility

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