同型半胱氨酸代谢及其影响因素

被引:11
作者
郝玲
机构
[1] 北京大学生育健康研究所北京
关键词
Hcy; 维生素; 血浆; 蛋氨酸负荷; 四氢叶酸; 四氫葉酸; 影响因素;
D O I
暂无
中图分类号
R341 [];
学科分类号
1001 ;
摘要
<正> 同型半胱氨酸(homocysteine,Hcy)是必需氨基酸蛋氨酸的中间代谢产物。蛋氨酸在ATP参与下形成S-腺苷蛋氨酸(S-adenosyl-L-methionine,SAM),参与体内约有50多种物质的合成。SAM脱甲基形成S-腺苷Hcy(S-adenosyl-L-homocysteine,SAH)。SAH裂解产生Hcy是目前所知脊椎动物体内Hcy产生的唯一途径。
引用
收藏
页码:93 / 95
页数:3
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