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同型半胱氨酸(homocysteine,Hcy)是体内的一种含硫氨基酸,是甲硫氨酸和半胱氨酸代谢过程中一个重要的中间产物。高同型半胱氨酸血症(hyperhomocysteinemia,Hhcy)是指血浆中游离的及与蛋白结合的同型半胱氨酸和混合性二硫化物的水平升高。大量研究表明,血浆中同型半
Homocysteine (Hcy), a sulfur-containing amino acid in the body, is an important intermediate in the metabolism of methionine and cysteine. Hyperhomocysteinemia (Hhcy) refers to elevated levels of free and protein-bound homocysteine and mixed disulfides in the plasma. A large number of studies have shown that plasma in the same type and half