Ozone (O3) is a colorless and sharp odorous natural gas that is composed of three oxygen atoms. Ozone, that is toxic and pollutant near earths surface, it is vital in stratosphere by absorbing harmful ultraviolet radiation. Although initial years after being discovered it was used for disinfection, studies conducted have come into question for medical usage of ozone. Ozone therapy may be summarized as administering a particular amount of ozone/oxygen mixture into body cavities or circulation. Ozone/oxygen gas mixture can be applied via intravenous, intramuscular, intraarticular, intrapleural, intrarectal and intradiscal as well as topically. Most frequent ozone administration is major autohemotherapy. In this method, 50-270 ml blood of patient is taken into a special bottle and after contacting with ozone/oxygen mixture for a particular duration, it is re-infused. During this period, hydrogen peroxide produced by oxidative stress and lipid oxidations mediates the biological effects of ozone therapy by acting as a second messenger. Repetition of ozone administration creates resistance against oxidative stress via inducing antioxidative system. Moreover, levels of several cytokine are increased depending on the fatty acid oxidation in cell membranes. Ozone therapy is used as an adjuvant therapeutic modality in the pathophysiological conditions where severe inflammatory processes and immune activation are involved. Some of the examples are wound healing, age-dependent macular degeneration, ischemic and infectious disorders.
Ozone, ozone therapy, lipid peroxidation
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