Wnt Signaling in Stem and Cancer Stem Cells

Curr Opin Cell Biol. 2013 Apr;25(2):254-64. doi: 10.1016/j.ceb.2013.01.004. Epub 2013 Jan 21.

Abstract

The functional versatility of Wnt/β-catenin signaling can be seen by its ability to act in stem cells of the embryo and of the adult as well as in cancer stem cells. During embryogenesis, stem cells demonstrate a requirement for β-catenin in mediating the response to Wnt signaling for their maintenance and transition from a pluripotent state. In adult stem cells, Wnt signaling functions at various hierarchical levels to contribute to specification of different tissues. This has raised the possibility that the tightly regulated self-renewal mediated by Wnt signaling in stem and progenitor cells is subverted in cancer cells to allow malignant progression. Intensive work is currently being performed to resolve how intrinsic and extrinsic factors that regulate Wnt/β-catenin signaling coordinate the stem and cancer stem cell states.

Publication types

  • Research Support, Non-U.S. Gov't
  • Review

MeSH terms

  • Animals
  • Cell Transformation, Neoplastic
  • Embryo, Mammalian / cytology
  • Embryo, Mammalian / embryology
  • Embryo, Mammalian / metabolism
  • Hematopoietic System / cytology
  • Hematopoietic System / metabolism
  • Hematopoietic System / pathology
  • Humans
  • Induced Pluripotent Stem Cells / cytology
  • Induced Pluripotent Stem Cells / metabolism
  • Induced Pluripotent Stem Cells / pathology
  • Intestinal Mucosa / metabolism
  • Intestines / cytology
  • Mammary Glands, Human / metabolism
  • Mammary Glands, Human / pathology
  • Neoplastic Stem Cells / metabolism*
  • Neoplastic Stem Cells / pathology
  • Nervous System / cytology
  • Nervous System / metabolism
  • Nervous System / pathology
  • Pluripotent Stem Cells / cytology
  • Pluripotent Stem Cells / metabolism
  • Skin / cytology
  • Skin / metabolism
  • Stem Cells / cytology
  • Stem Cells / metabolism*
  • Sumoylation
  • Transcription, Genetic
  • Ubiquitination
  • Wnt Proteins / metabolism*
  • Wnt Signaling Pathway*
  • beta Catenin / metabolism

Substances

  • Wnt Proteins
  • beta Catenin