Form and function of developing heart valves: Coordination by extracellular matrix and growth factor signaling

Joyce A. Schroeder, Leslie F. Jackson, David C. Lee, Todd D. Camenisch

Research output: Contribution to journalReview article

149 Scopus citations

Abstract

It is becoming clear that converging pathways coordinate early heart valve development and remodeling into functional valve leaflets. The integration of these pathways begins with macro and molecular interactions outside the cell in the extracellular matrix separating the myocardial and endocardial tissue components of the rudimentary heart. Such interactions regulate events at the cell surface through receptors, proteases, and other membrane molecules which in turn transduce signals into the cell. These signals trigger intracellular cascades that transduce cellular responses through both transcription factor and cofactor activation mediating gene induction or suppression. Chamber septation and valve formation occur from these coordinated molecular events within the endocardial cushions to sustain unidirectional blood flow and embryo viability. This review discusses the emerging connection between extracellular matrix and growth factor receptor signaling during endocardial cushion morphogenesis by highlighting the extracellular component, hyaluronan, and erbB receptor functions during early valve development.

Original languageEnglish (US)
Pages (from-to)392-403
Number of pages12
JournalJournal of Molecular Medicine
Volume81
Issue number7
DOIs
StatePublished - Jul 1 2003

Keywords

  • Endocardial cushion morphogenesis
  • Extracellular matrix
  • Heart valve
  • Hyaluronan
  • erbB

ASJC Scopus subject areas

  • Molecular Medicine
  • Drug Discovery
  • Genetics(clinical)

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