高脂血症患者低密度脂蛋白中脂肪酸的变化

THE CHANGE OF FATTY ACIDS IN LOW DENSITY LIPOPROTEIN IN PATIENTS WITH HYPERLIPEMIA

用ＧＣ／ＭＳ法测定高脂血症患者低密度脂蛋白（ＬＤＬ）中脂肪酸组分和含量，并提供血脂、脂蛋白及载脂蛋白同步分析资料。结果表明：患者肉豆蔻酸（１４０）和亚油酸（１８２）明显增高，与总胆固醇（ＴＣ）、甘油三酯（ＴＧ）、低密度脂蛋白－胆固醇（ＬＤＬ－Ｃ）和载脂蛋白Ｂ（ａｐｏＢ）水平呈正相关；而二十二碳六烯酸（ＤＨＡ，２２６）、二十碳四烯酸（ＡＡ，２０４）和二十二碳四烯酸（２２４）以及硬脂酸（１８０）明显降低，与ＴＣ、ＴＧ、ＬＤＬ－Ｃ和ａｐｏＢ水平呈负相关。另外，对高脂血症患者ＬＤＬ脂肪酸中的１８０、１８２。

The components and contents of low density lipoprotein (LDL) fatty acid in 37 patients with hyperlipemia were determined by GC/MS method,and provided simultaneously analytical information of blood lipid,lipoprotein and apolipoprotein. The results showed that myristic acid(14∶0) and linoleic acid (18∶2) were significantly increased,and positively correlated with the levels of TC, TG, LDLC and apoB;while the levels of docosahexaenoic acid (DHA,22∶6),arachidonic acid (20∶4) and docosatetraenoic acid (22∶4) and stearic acid(18∶0) are significantly decreased, and inversely correlated with the levels of TC, TG, LDLC and apoB in patients with hyperlipemia. In addition, a discussion was made on the problem of 18∶0, 22∶6 and 20∶4 of LDL fatty acids in patients with heperlipemia.