Hydroxyl radical
Hydroxyl Radical
The Hydroxyl Radical is a highly reactive oxygen species that is produced in biological systems. It is a type of free radical that is characterized by an unpaired electron in its outermost shell.
Production[edit | edit source]
The Hydroxyl Radical is produced in the body through various processes. One of the main ways is through the Fenton reaction, where it is produced from hydrogen peroxide in the presence of iron or copper ions. It can also be produced through the Haber-Weiss reaction, which involves the reaction of superoxide with hydrogen peroxide.
Role in the Body[edit | edit source]
The Hydroxyl Radical plays a crucial role in the body's immune response. It is used by white blood cells to destroy pathogens. However, due to its high reactivity, it can also cause damage to the body's own cells and tissues if its production is not properly regulated. This can lead to various health problems, including inflammation, aging, and cancer.
Health Effects[edit | edit source]
Excessive production of the Hydroxyl Radical can lead to oxidative stress, which is a major factor in the development of many diseases. These include cardiovascular disease, neurodegenerative diseases such as Alzheimer's disease and Parkinson's disease, and various types of cancer.
Prevention and Treatment[edit | edit source]
The body has several mechanisms to neutralize the Hydroxyl Radical and prevent its harmful effects. These include antioxidants such as vitamin C and vitamin E, as well as enzymes such as superoxide dismutase and catalase. In addition, certain dietary factors, such as the consumption of fruits and vegetables, can help to reduce the production of the Hydroxyl Radical.
See Also[edit | edit source]
References[edit | edit source]
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Contributors: Prab R. Tumpati, MD
