Sonodynamically-induced cytotoxicity by rose bengal derivative and microbubbles in isolated sarcoma 180 cells

Nami Sugita, Mami Hosokawa, Naoki Sunaga, Yumiko Iwase, Nagahiko Yumita, Toshihiko Ikeda, Shin Ichiro Umemura

研究成果: Article査読

9 被引用数 (Scopus)

抄録

It is known that the combination of ultrasound and sonodynamic sensitizer (SDS) is effective in noninvasive tumor treatment, referred to as sonodynamic therapy (SDT). Microbubbles have been used in ultrasound therapy as well. The purpose of this paper is to clarify the effect of microbubbles on SDT. Sarcoma 180 cells were suspended in air-saturated phosphate-buffered saline and exposed to ultrasound with the SDS rose bengal derivative (RBD) in standing wave mode in the presence and absence of microbubbles [sonazoid (SZ)]. The ultrasonically induced cytotoxicity with RBD and SZ was about 20 times higher than without either, and about 80% of the SZ microbubbles were destructed by ultrasonic exposure in as short as five seconds. Since microbubbles induce significant cytotoxicity even with short duration, low intensity ultrasound, the application of microbubbles in SDT shows promise in anti-tumor treatment.

本文言語English
論文番号07HF16
ジャーナルJapanese journal of applied physics
54
7
DOI
出版ステータスPublished - 2015 7月 1

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)

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