Biologically Active Substance
homocysteine
ho·mo·cys·teine
Subclass of:
Amino Acids, Sulfur
Definitions related to homocysteine:
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A thiol-containing amino acid formed by a demethylation of METHIONINE.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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Aminoacid with the side chain -CH2CH2SH, an intermediate in the biosynthesis of cysteine from methionine.CRISP ThesaurusNational Institutes of Health, 2006
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An amino acid derivative and homolog of cysteine containing an additional methylene bridge. Homocysteine is a product of methionine metabolism and elevated plasma levels are associated with cardiovascular disease, Alzheimer disease and several metabolic diseases.NCI ThesaurusU.S. National Cancer Institute, 2021
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An amino acid formed as part of the normal breakdown of protein.Harvard Dictionary of Health TermsHarvard Medical Publishing, 2011
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Plasma and urine homocysteine tests are indicated in the screening and diagnosis of different types of homocystinuria. The reference range of plasma homocysteine may vary with the technique used.WebMD, 2019
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