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Philos Trans R Soc Lond B Biol Sci. 2015 Oct 19;370(1680):20140364. doi: 10.1098/rstb.2014.0364.

Evolution of normal and neoplastic tissue stem cells: progress after Robert Hooke.

Author information

1
Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, CA 94305, USA Ludwig Center for Cancer Stem Cell Research and Medicine, Stanford University, Stanford, CA 94305, USA irv@stanford.edu.

Abstract

The appearance of stem cells coincides with the transition from single-celled organisms to metazoans. Stem cells are capable of self-renewal as well as differentiation. Each tissue is maintained by self-renewing tissue-specific stem cells. The accumulation of mutations that lead to preleukaemia are in the blood-forming stem cell, while the transition to leukaemia stem cells occurs in the clone at a progenitor stage. All leukaemia and cancer cells escape being removed by scavenger macrophages by expressing the 'don't eat me' signal CD47. Blocking antibodies to CD47 are therapeutics for all cancers, and are currently being tested in clinical trials in the US and UK.

KEYWORDS:

cancer; competition; leukaemia; neoplasm; stem cell

PMID:
26416675
PMCID:
PMC4633993
DOI:
10.1098/rstb.2014.0364
[Indexed for MEDLINE]
Free PMC Article

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