Open Access

Use of ozonated water as a new therapeutic approach to solve current concerns around antitumor treatment

  • Authors:
    • Kohei Kuroda
    • Masamiti Yamashita
    • Yusuke Murahata
    • Kazuo Azuma
    • Tomohiro Osaki
    • Takeshi Tsuka
    • Norihiko Ito
    • Tomohiro Imagawa
    • Yoshiharu Okamoto
  • View Affiliations

  • Published online on: July 6, 2018     https://doi.org/10.3892/etm.2018.6415
  • Pages: 1597-1602
  • Copyright: © Kuroda et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Tumor hypoxia is a severe problem affecting tumor therapy because it reduces the sensitivity of chemotherapy and radiation therapy. Ozone has been known to improve peripheral blood perfusion and oxygen partial pressure. The effect of ozonated water on tumor hypoxia, alone and in combination with an antitumor drug was studied in the present study. Following intraperitoneal administration of ozonated water to colon‑26‑bearing mice, the Hoechst 33342‑positive area and the intratumoral oxygen partial pressure was significantly increased. The tumor growth rate was more suppressed when ozonated water was combined with cisplatin (CDDP) compared with CDDP treatment alone. The number of Ki‑67‑positive cells significantly decreased, whereas the number of TUNEL‑positive cells significantly increased. The present study showed that ozonated water increased intratumoral blood perfusion and improved tumor hypoxia. In addition, ozonated water increased the therapeutic effect of CDDP. These findings, as well as previous reports, suggest that tumor growth is suppressed after treatment with ozonated water as the amount of CDDP reaching the tumor is increased when the intratumoral blood perfusion is increased due to the ozonated water. Thus, the administration of ozonated water may be a new therapeutic approach to solve current concerns regarding antitumor treatment.
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September-2018
Volume 16 Issue 3

Print ISSN: 1792-0981
Online ISSN:1792-1015

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Spandidos Publications style
Kuroda K, Yamashita M, Murahata Y, Azuma K, Osaki T, Tsuka T, Ito N, Imagawa T and Okamoto Y: Use of ozonated water as a new therapeutic approach to solve current concerns around antitumor treatment. Exp Ther Med 16: 1597-1602, 2018.
APA
Kuroda, K., Yamashita, M., Murahata, Y., Azuma, K., Osaki, T., Tsuka, T. ... Okamoto, Y. (2018). Use of ozonated water as a new therapeutic approach to solve current concerns around antitumor treatment. Experimental and Therapeutic Medicine, 16, 1597-1602. https://doi.org/10.3892/etm.2018.6415
MLA
Kuroda, K., Yamashita, M., Murahata, Y., Azuma, K., Osaki, T., Tsuka, T., Ito, N., Imagawa, T., Okamoto, Y."Use of ozonated water as a new therapeutic approach to solve current concerns around antitumor treatment". Experimental and Therapeutic Medicine 16.3 (2018): 1597-1602.
Chicago
Kuroda, K., Yamashita, M., Murahata, Y., Azuma, K., Osaki, T., Tsuka, T., Ito, N., Imagawa, T., Okamoto, Y."Use of ozonated water as a new therapeutic approach to solve current concerns around antitumor treatment". Experimental and Therapeutic Medicine 16, no. 3 (2018): 1597-1602. https://doi.org/10.3892/etm.2018.6415