The cancer stem cell hypothesis and its impact on the design of new cancer therapies

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Scopus citations

Abstract

During the past decade, the cancer stem cell hypothesis has been the subject of considerable debate. The cancer stem cell hypothesis posits that many tumors possess only a small fraction of “stem” cells endowed with an unlimited capacity to proliferate. According to the hypothesis, it is these cells, and not the remaining cells in the tumor, that are responsible for continued growth of the tumor and, ultimately, the death of the patient. The seminal studies of Kleinsmith and Pierce nearly 50 years ago, together with more the recent studies of leukemia and solid tumors, have provided compelling evidence that many tumors possess only a minor population of tumor-initiating cells. However, concerns have been raised about the methods used to estimate the number of tumor-initiating cells present in a tumor. These, and other concerns, have led many to question whether tumors actually contain only a minor fraction of tumor-initiating cells. This chapter reviews some of the evidence for, and the challenges to, the cancer stem cell hypothesis. It also discusses three questions related to the biology of cancer stem cells that should be considered when designing new cancer therapies.

Original languageEnglish (US)
Title of host publicationStem Cells and Cancer Stem Cells, Volume 4
Subtitle of host publicationTherapeutic Applications in Disease and Injury
PublisherSpringer Netherlands
Pages235-248
Number of pages14
ISBN (Electronic)9789400728288
ISBN (Print)9789400728271
DOIs
StatePublished - Jan 1 2012

Keywords

  • Cancer stem cells
  • Cancer therapy
  • Stem cell niche
  • Teratocarcinoma
  • Tumor-initiating cells

ASJC Scopus subject areas

  • Medicine(all)

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  • Cite this

    Rizzino, A. (2012). The cancer stem cell hypothesis and its impact on the design of new cancer therapies. In Stem Cells and Cancer Stem Cells, Volume 4: Therapeutic Applications in Disease and Injury (pp. 235-248). Springer Netherlands. https://doi.org/10.1007/978-94-007-2828-8_21