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高同型半胱氨酸 (ｈｏｍｏｃｙｓｔｅｉｎｅ ,Ｈｃｙ)血症为脑血管病独立危险因素 ,亚甲基四氢叶酸还原酶 (ｍｅｔｈｙｌｅｎｅｔｅｔｒａｈｙｄｒｏｆｏｌａｔｅｒｅｄｕｃｔａｓｅ ,ＭＴＨＦＲ)是Ｈｃｙ代谢关键酶 ,ＭＴＨＦＲ基因Ｃ677Ｔ位点突变使酶活性下降。我们探讨了我
Hyperhomocysteine (Hcy) is an independent risk factor of cerebrovascular disease. Methylenetetrahydrofolate reductase (MTHFR) is the key enzyme of Hcy metabolism. The C677T site mutation of MTHFR gene decreases enzyme activity . We explored me