Definition of homocysteine in English:
homocysteine
noun ˌhɒmə(ʊ)ˈsɪstɪiːnˌhɒmə(ʊ)ˈsɪstiːnˌhōməˈsistēn
mass nounBiochemistry An amino acid which occurs in the body as an intermediate in the metabolism of methionine and cysteine.
Chemical formula: HSCH₂CH₂CH(NH₂)COOH
Example sentencesExamples
- Studies suggest that raised levels of the amino acid homocysteine are associated with reduced brain performance.
- Metabolism of homocysteine requires an adequate supply of folic acid.
- It also lowers the levels of amino acid homocysteine which, when found in high levels in the bloodstream, is linked to an increased risk of heart disease.
- Levels of homocysteine, the amino acid linked to heart disease, are also higher in smokers.
- In some individuals, plasma levels of the amino acid homocysteine are abnormally high.