Endomucin is expressed in embryonic dorsal aorta and is able to inhibit cell adhesion

Masaya Ueno, Katsuhide Igarashi, Naoki Kimura, Keisuke Okita, Makiko Takizawa, Ikuo Nobuhisa, Tetsuo Kojima, Toshio Kitamura, Ulrike Samulowitz, Dietmar Vestweber, Taizo Shimomura, Toshio Suda, Kinichi Nakashima, Tetsuya Taga

研究成果: Article査読

7 被引用数 (Scopus)

抄録

Recent studies have suggested the existence of progenitors common to hematopoietic and endothelial cells, called hemangioblasts, in, for instance, embryonic dorsal aorta. To identify a membrane-bound or secretory molecule regulating early hematopoiesis, we screened a cDNA library from dorsal aortas of embryonic day (E) 10.5 mice by a signal sequence trap method and obtained a clone encoding a sialoprotein, endomucin-1. Immunohistochemistry revealed that the endomucin-1 transcript was specifically expressed in the endothelial cells of dorsal aorta of E10.5 mouse embryo. Overexpression of endomucin-1 strongly inhibited adhesion and aggregation of cells, including cultured endothelial cells from E10.5 dorsal aorta. These data suggest that endomucin-1 may play a role in detachment of hematopoietic cells from endothelium during early hematopoiesis.

本文言語English
ページ(範囲)501-506
ページ数6
ジャーナルBiochemical and Biophysical Research Communications
287
2
DOI
出版ステータスPublished - 2001 9 21

ASJC Scopus subject areas

  • 生物理学
  • 生化学
  • 分子生物学
  • 細胞生物学

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