Transforming growth factor-β signaling during epithelial-mesenchymal transformation

Implications for embryogenesis and tumor metastasis

Ali Nawshad, Damian LaGamba, Ahmad Polad, Elizabeth D. Hay

Research output: Contribution to journalArticle

227 Citations (Scopus)

Abstract

The molecular mechanisms of epithelial-mesenchymal transformation (EMT) have long been studied to gain a greater understanding of this distinct change in cellular morphology. Early studies of the developing embryo have designated the involvement of Wnt signaling in EMT, through an activated complex of the lymphoid-enhancing factor-1 (LEF-1) transcription factor and the cell adhesion molecule β-catenin. However, more recent studies have implicated a significant role of the transforming growth factor-β (TGF-β) in causing EMT in both development and pathology. The ability of TGF-β isoforms to signal through a variety of molecules such as Smads, phosphatidylinositol 3-kinase (PI3K), and mitogen-activated protein kinase (MARK) creates an incredible complexity as to their role in this transition. Here we assess the biochemical signaling pathways of TGF-β and their potential cross-interaction with traditional Wnt signaling moleculesto bring about EMT during embryogenesis and tumor metastasis.

Original languageEnglish (US)
Pages (from-to)11-23
Number of pages13
JournalCells Tissues Organs
Volume179
Issue number1-2
DOIs
StatePublished - Jul 25 2005

Fingerprint

Epithelial-Mesenchymal Transition
Transforming Growth Factors
Embryonic Development
Neoplasm Metastasis
Neoplasms
Phosphatidylinositol 3-Kinase
Catenins
Cell Adhesion Molecules
Mitogen-Activated Protein Kinases
Protein Isoforms
Transcription Factors
Embryonic Structures
Pathology

Keywords

  • Epithelial-mesenchymal transformation
  • LEF-1
  • Metastasis
  • Smad
  • Transforming growth factor-β

ASJC Scopus subject areas

  • Anatomy
  • Histology

Cite this

Transforming growth factor-β signaling during epithelial-mesenchymal transformation : Implications for embryogenesis and tumor metastasis. / Nawshad, Ali; LaGamba, Damian; Polad, Ahmad; Hay, Elizabeth D.

In: Cells Tissues Organs, Vol. 179, No. 1-2, 25.07.2005, p. 11-23.

Research output: Contribution to journalArticle

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