Dual regulation of breast tubulogenesis using extracellular matrix composition and stromal cells

Silva Krause, Adeline Jondeau-Cabaton, Eugen Dhimolea, Ana M. Soto, Carlos Sonnenschein, Maricel V. Maffini

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Epithelial-mesenchymal interactions during embryogenesis are critical in defining the phenotype of tissues and organs. The initial elongation of the mammary bud represents a central morphological event requiring extensive epithelial-mesenchymal crosstalk. The precise mechanism orchestrating this outgrowth is still unknown and mostly animal models have been relied upon to explore this process. Highly tunable three-dimensional (3D) culture models are a complementary approach to address the question of phenotypic determination. Here, we used a 3D in vitro culture to study the roles of stromal cells and extracellular matrix components during mammary tubulogenesis. Fibroblasts, adipocytes, and type I collagen actively participated in this process, whereas reconstituted basement membrane inhibited tubulogenesis by affecting collagen organization. We conclude that biochemical and biomechanical signals mediate the interaction between cells and matrix components and are necessary to induce tubulogenesis in vitro.

Original languageEnglish (US)
Pages (from-to)520-532
Number of pages13
JournalTissue Engineering - Part A
Volume18
Issue number5-6
DOIs
StatePublished - Mar 1 2012
Externally publishedYes

ASJC Scopus subject areas

  • Bioengineering
  • Biochemistry
  • Biomaterials
  • Biomedical Engineering

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