Enhancement of hyperthermia-induced apoptosis by non-thermal effects of ultrasound

Loreto B. Feril, Takashi Kondo*, Qing Li Zhao, Ryohei Ogawa

*この論文の責任著者

研究成果: ジャーナルへの寄稿学術論文査読

62 被引用数 (Scopus)

抄録

To determine the effect of ultrasound on hyperthermia-induced apoptosis, we exposed U937 cells (in air-saturated suspension) to continuous 1 MHz ultrasound at intensities 0.5 or 1.0 W/cm2, considered non-thermal and sub-threshold for inertial cavitation, while at 44.0°C for 10 min. We found that 0.5 W/cm2, in combination with hyperthermia, synergistically induced apoptosis. On the other hand, 1.0 W/cm2 in combination with hyperthermia showed an augmented instant cell lysis but no significant change in the ratio of apoptosis. This result might be useful when apoptosis induction is desired over instant cell killing in cancer therapy.

本文言語英語
ページ(範囲)63-70
ページ数8
ジャーナルCancer Letters
178
1
DOI
出版ステータス出版済み - 2002/04/08

ASJC Scopus 主題領域

  • 腫瘍学
  • 癌研究

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