Crosstalk of TGF-β and estrogen receptor signaling in breast cancer

Arja M. Band, Marikki Laiho

Research output: Contribution to journalReview article

Abstract

Estrogen receptor-α (ERα) and transforming growth factor (TGF)-β signaling pathways are major regulators during mammary gland development, function and tumorigenesis. Predominantly, they have opposing roles in proliferation and apoptosis. While ERα signaling supports growth and differentiation and is antiapoptotic, mammary gland epithelia cells are very sensitive to TGF-β-induced cell cycle arrest and apoptosis. Their regulatory pathways intersect, and ERα blocks TGF-β pathway by multiple means, including direct interactions of its signaling components, Smads. However, relatively little is known of the dysfunction of their interactions in cancer. A better understanding would help to develop new strategies for breast cancer treatment.

Original languageEnglish (US)
Pages (from-to)109-115
Number of pages7
JournalJournal of Mammary Gland Biology and Neoplasia
Volume16
Issue number2
DOIs
StatePublished - Jun 1 2011

Keywords

  • Breast cancer
  • Estrogen receptor
  • Smad
  • SnoN
  • TGF-β signaling

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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