Flk1-positive cells derived from embryonic stem cells serve as vascular progenitors

Jun Yamashita, Hiroshi Itoh, Masanori Hirashima, Minetaro Ogawa, Satomi Nishikawa, Takami Yurugi, Makoto Naito, Kazuwa Nakao, Shin Ichi Nishikawa

研究成果: Article査読

1121 被引用数 (Scopus)

抄録

Interaction between endothelial cells and mural cells (pericytes and vascular smooth muscle) is essential for vascular development and maintenance. Endothelial cells arise from Flk1-expressing (Flk1+) mesoderm cells, whereas mural cells are believed to derive from mesoderm, neural crest or epicardial cells and migrate to form the vessel wall. Difficulty in preparing pure populations of these lineages has hampered dissection of the mechanisms underlying vascular formation. Here we show that Flk1+ cells derived from embryonic stem cells can differentiate into both endothelial and mural cells and can reproduce the vascular organization process. Vascular endothelial growth factor promotes endothelial cell differentiation, whereas mural cells are induced by platelet-derived growth factor-BB. Vascular cells derived from Flk1+ cells can organize into vessel-like structures consisting of endothelial tubes supported by mural cells in three-dimensional culture. Injection of Flk1+ cells into chick embryos showed that they can incorporate as endothelial and mural cells and contribute to the developing vasculature in vivo. Our findings indicate that Flk1+ cells can act as 'vascular progenitor cells' to form mature vessels and thus offer potential for tissue engineering of the vascular system.

本文言語English
ページ(範囲)92-96
ページ数5
ジャーナルNature
408
6808
DOI
出版ステータスPublished - 2000 11 2
外部発表はい

ASJC Scopus subject areas

  • General

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