Abstract
The precursor for nitric oxide (NO) synthesis is the amino acid arginine. Reduced arginine availability may limit NO production. Arginine availability for NO synthesis may be regulated by de novo arginine production from citrulline, arginine transport across the cell membrane, and arginine breakdown by arginase.
MeSH terms
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Amino Acid Transport Systems
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Arginase / metabolism
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Arginine / metabolism*
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Biological Availability
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Citrulline / metabolism
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Humans
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Membrane Proteins / metabolism
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Nitric Oxide / biosynthesis*
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Nitric Oxide / metabolism
Substances
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Amino Acid Transport Systems
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Membrane Proteins
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Citrulline
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Nitric Oxide
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Arginine
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Arginase