Abstract
Nitric oxide (NO) can act as a vasorelaxant, a modulator of neurotransmission and a defence against pathogens. However, under certain conditions, NO can also have damaging effects to cells. Whether NO is useful or harmful depends on its chemical fate, and on the rate and location of its production. Here, we discuss progress in NO chemistry and the enzymology of NO synthases, and we will also attempt to explain its actions in the cardiovascular, nervous and immune systems.
Publication types
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Research Support, Non-U.S. Gov't
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Review
MeSH terms
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Animals
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Biopterins / metabolism
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Calmodulin / metabolism*
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Cardiovascular System / metabolism*
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Central Nervous System / metabolism*
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Cytochrome P-450 Enzyme System / metabolism
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Humans
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Immune System / metabolism*
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Mammals / physiology
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Nitrates / metabolism
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Nitric Oxide / chemistry
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Nitric Oxide / physiology*
Substances
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Calmodulin
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Nitrates
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Biopterins
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peroxynitric acid
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Nitric Oxide
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Cytochrome P-450 Enzyme System