Reoxygenation in tumor tissues after X-ray or carbon-12 irradiation

Takeshi Fukawa, Koji Takematsu, Kotaro Oka, Nobuyuki Miyahara, Sachiko Koike, Koichi Ando, Hirosuke Kobayashi, Kazuo Tanishita

研究成果: Article査読

抄録

We measured directly the partial pressure of oxygen (pO2) in new fibrosarcoma (NFSa) tumors grown in C3H/He mice using microcoaxial O2 electrodes in vivo. The pO2 in tumors was monitored after a single dose of X-ray or carbon-12 irradiation. After irradiation, tumor volume temporally shrinked, and pO2 simultaneously increased. Carbon-12 irradiation reoxygenated tumors between the 1st and 9th day after the irradiation, while x-ray irradiation reoxygenated tumors between the 3rd and 8th day. We found that reoxygenation period after carbon-12 irradiation started earlier and continued longer than X-ray irradiation.

本文言語English
ページ(範囲)371-372
ページ数2
ジャーナルAmerican Society of Mechanical Engineers, Bioengineering Division (Publication) BED
39
出版ステータスPublished - 1998 12 1

ASJC Scopus subject areas

  • 工学(全般)

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