Mechanisms for Appearance of No-Flow Areas in Tumor Microvascular Bed

Katsuyoshi Hori, Maroh Suzuki, Shigeru Tanda, Sachiko Saito, Qiu Hang Zhang, Mika Shinozaki

研究成果: Article査読

2 被引用数 (Scopus)

抄録

In order to elucidate the mechanism for appearance of no-flow areas (areas where tumor blood flow temporarily cease), we directly observed the process of tumor-induced neovascularization and measured pressure change in a feeding vessel (starting vessel) which supplies blood to the tumor vascular network. Total length of tumor vascular network from one starting vessel increased exponentially as the tumor increased in size exponentially. The pressure of the starting vessel increased from approximately 40 cmH2O to 120 cmH2O with enlargement of the tumor size. As soon as the pressure of the starting vessel reached a plateau, however, there was a rapid increase in low-flow or no-flow areas in places within the tumor. We considered that no-flow areas were produced by the imbalance between the pressure elevation of a starting vessel and the enlargement of the vascular network from that vessel.

本文言語English
ページ(範囲)441-443
ページ数3
ジャーナルTohoku Journal of Experimental Medicine
168
2
DOI
出版ステータスPublished - 1992

ASJC Scopus subject areas

  • 生化学、遺伝学、分子生物学(全般)

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