Abstract
It is proposed that one of the functions of the mucus layers lining the respiratory tract and gastrointestinal system is the scavenging of highly reactive oxygen-derived species. This would provide antioxidant protection to the underlying mucosal epithelial cells.
Publication types
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Bronchi / metabolism*
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Digestive System / metabolism*
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Free Radicals
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Humans
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Hydrogen Peroxide / metabolism
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Hydroxides / metabolism
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Hydroxyl Radical
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Mucus / metabolism*
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Oxygen / metabolism*
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Superoxides / metabolism
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Trachea / metabolism*
Substances
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Free Radicals
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Hydroxides
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Superoxides
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Hydroxyl Radical
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Hydrogen Peroxide
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Oxygen