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Int. J. Mol. Sci. 2015, 16(10), 25108-25120; doi:10.3390/ijms161025108

The Safety and Anti-Tumor Effects of Ozonated Water in Vivo

1
Department of Clinical Medicine, Joint School of Veterinary Medicine, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan
2
Department of Technical Development, Sakuragawa Pump Co., Ltd., Osaka 567-0005, Japan
*
Author to whom correspondence should be addressed.
Academic Editor: Sanjay K. Srivastava
Received: 2 September 2015 / Revised: 5 October 2015 / Accepted: 12 October 2015 / Published: 22 October 2015
(This article belongs to the Section Biochemistry, Molecular and Cellular Biology)
View Full-Text   |   Download PDF [6555 KB, uploaded 22 October 2015]   |  

Abstract

Ozonated water is easier to handle than ozone gas. However, there have been no previous reports on the biological effects of ozonated water. We conducted a study on the safety of ozonated water and its anti-tumor effects using a tumor-bearing mouse model and normal controls. Local administration of ozonated water (208 mM) was not associated with any detrimental effects in normal tissues. On the other hand, local administration of ozonated water (20.8, 41.6, 104, or 208 mM) directly into the tumor tissue induced necrosis and inhibited proliferation of tumor cells. There was no significant difference in the number of terminal deoxynucleotidyl transferase-mediated deoxyuridine triphosphate-biotin nick-end labeling (TUNEL)-positive cells following administration of ozonated water. The size of the necrotic areas was dependent on the concentration of ozonated water. These results indicate that ozonated water does not affect normal tissue and damages only the tumor tissue by selectively inducing necrosis. There is a possibility that it exerts through the production of reaction oxygen species (ROS). In addition, the induction of necrosis rather than apoptosis is very useful in tumor immunity. Based on these results, we believe that administration of ozonated water is a safe and potentially simple adjunct or alternative to existing antineoplastic treatments. View Full-Text
Keywords: ozone; ozonated water; anti-tumor effect; reactive oxygen species ozone; ozonated water; anti-tumor effect; reactive oxygen species
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Kuroda, K.; Azuma, K.; Mori, T.; Kawamoto, K.; Murahata, Y.; Tsuka, T.; Osaki, T.; Ito, N.; Imagawa, T.; Itoh, F.; Okamoto, Y. The Safety and Anti-Tumor Effects of Ozonated Water in Vivo. Int. J. Mol. Sci. 2015, 16, 25108-25120.

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