homocysteine

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Related to homocystine: C reactive protein, Methylmalonic acid, homocysteine test

ho·mo·cys·te·ine

 (hō′mə-sĭs′tə-ēn′, -ĭn, -tē-)
n.
An amino acid, C4H9NO2S, not found in proteins, that is used by the body in cellular metabolism. Elevated concentrations in the blood are associated with an increased risk of heart disease.

[homo-, homologous with (from homologous) + cysteine.]

homocysteine

(ˌhəʊməʊˈsɪstiːn)
n
(Chemistry) an amino acid occurring as an intermediate in the metabolism of methionine. Elevated levels in the blood may indicate increased risk of cardiovascular disease
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A hypercoaguability work up revealed normal levels of factor V leiden, protein C, proteins S, antithrombin III, and homocystine.
Homocysteine is a nonessential, non-protein-forming, thiol-containing amino acid that is readily oxidized in the blood to homocystine and other disulfides.
For example, adequate nutrients could be measured in terms of improvement in disease markers such as homocystine (an amino acid believed to increase the risk of heart disease at elevated concentrations), and the prevention of chronic diseases such as osteoporosis (Wallace 2005).
Methylation of guanidoacetic acid by homocystine plus choline with rat liver slices.
Wilcken and Wilcken In 1976, Shown in the first clinical study supporting the theory that coronary artery disease (CAD) had a correlation with higher levels of homocystine.
To detect Hg(II) ion selectively, we modified (20,45) the surface of the gold nanoparticle with mercaptopropionic acid (MPA) and homocystine (bound to the gold nanoparticle surface through Au-S bond) and we added a chelating ligand 2,6-pyridinedicarboxylic acid (PDCA), to the solution.
Folate, vitamin B12, and homocystine in major depressive disorder.
The B vitamins, especially folic acid, have been associated with lowering blood levels of homocystine (an amino acid, which in high levels, is associated with heart disease, stroke, and fractures).
Total plasma homocysteine (Hcys), which was measured by HPLC method, was defined as the sum of all homocysteine species in plasma, including homocysteine, homocystine, mixed disulfides, and protein-bound forms (8).
Too much homocystine can lead to psychoses and atherosclerosis.
9:20 Introductory remarks -- Jon Jackson, Department of Anatomy and Cell Biology, University of North Dakota 9:30 Patrick Carr *, Department of Anatomy and Cell Biology, University of North Dakota 9:50 Alan Allery *, University of North Dakota 10:10 COFFEE BREAK 10:30 "Arsenic deprivation affects homocysteine remethylation in rats fed homocystine and choline.
It also lowers the levels of homocystine, an amino acid that increases the risk of heart attack and stroke.