Biomechanical properties of collagen gel associated with microvessel formation in vitro

K. Tanishita, N. Yamamura, Ryo Sudo, M. Ikeda

研究成果: Chapter

抄録

Vascularization by endothelial cells (ECs) is an important element in tissue engineering of organoids. Morphogenesis of these cells is regulated not only by biochemical properties of the extracellular matrix (ECM) but also by its mechanical properties. Here, we investigated the effect of adhesion substrate elasticity on the formation of capillary-like networks by ECs; in particular, we examined the three-dimensional (3D) configurations of the resulting networks. Bovine pulmonary microvascular ECs were cultured on a series of collagen gels of different elasticities but the same collagen concentration. The cells cultured in rigid and flexible gels formed 3D networks via different processes; cells formed dense, thin networks in the flexible gel, whereas thicker and deeper networks were formed in the rigid gel. Cross-sections of the networks revealed that those formed within the rigid gel had large lumens composed of multiple cells, whereas those formed within the flexible gel had small, intracellular vacuoles.

本文言語English
ホスト出版物のタイトルBiomechanics at Micro- and Nanoscale Levels
出版社World Scientific Publishing Co.
ページ25-35
ページ数11
ISBN(印刷版)9789812771322, 981277131X, 9789812771315
DOI
出版ステータスPublished - 2007 1 1

ASJC Scopus subject areas

  • 生化学、遺伝学、分子生物学(全般)
  • 工学(全般)
  • 免疫学および微生物学(全般)
  • 医学(全般)

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