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胃肠道恶性肿瘤切除术后补充叶酸、维生素B12对血同型半胱氨酸水平的影响 被引量:9

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摘要 同型半胱氨酸(homocysteine,Hcy)是一种含巯氨基酸,由甲硫氨酸去甲基化形成,血Hcy水平主要受叶酸、维生素B12水平和相关代谢酶遗传多态性的影响。人体内缺乏叶酸和维生素B12可致Hcy水平升高。Hcy可对血管内皮造成氧化损伤,导致血栓形成。叶酸和维生素B12可降低Hcy水平,进而降低血栓形成风险。
出处 《中华消化杂志》 CAS CSCD 北大核心 2014年第1期49-50,共2页 Chinese Journal of Digestion
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