Effect of in vivo ozone exposure to dorset sheep, an animal model with low levels of erythrocyte glucose-6-phosphate dehydrogenase activity

Application of Ozone in Medicine

This review deals with the application of ozone in medicine, its effects on the human organism and its use as a therapeutic approach and sterilizing agent. A particular attention is paid to the therapeutic properties, therapeutic dosage and scope of application. Some mechanisms of the ozone effect at exposure on different organs and systems in human body are also considered. Ozone toxicity is reviewed. The ozone use as a sterilizing agent in the pharmaceutical industry and cosmetics, as well as in the food processing industry is discussed.

An evaluation of the dorset sheep as a predictive animal model for the response of glucose-6-phosphate dehydrogenase-deficient human erythrocytes to a proposed systemic toxic ozone intermediate, methyl oleate ozonide

Erythrocytes of both glucose-6-phosphate dehydrogenase (G-6-PD)-deficient humans and Dorset sheep, an animal model with an erythrocyte G-6-PD deficiency, responded in a dose-dependent manner to the oxidant stress of methyl oleate ozonide (MOO) as measured by decreases in G-6-PD activity, increases in methemoglobin (METHB) levels, and decreases in GSH. However, the human G-6-PD-deficient erythrocytes were considerably more sensitive to the formation of METHB than the sheep erythrocytes while the reverse was the case for the GSH parameter. The results suggest a qualitative difference in the response of sheep erythrocytes and human G-6-PD-deficient erythrocytes to MOO that seriously questions the value of the sheep erythrocyte as a quantitatively accurate predictive model.