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冠心病患者代谢指纹图谱:棕榈酸预测冠心病发病风险强大

2019-09-02 佚名 中国循环杂志

阜外医院窦克非、朱成刚、刘倩倩等应用超高效液相色谱—飞行时间质谱联用(UHPLC-QTOF/MS)的非靶向代谢组学方法获得了中国冠心病患者群体的代谢指纹图谱,发现了105个与冠心病相关的代谢物。

阜外医院窦克非、朱成刚、刘倩倩等应用超高效液相色谱—飞行时间质谱联用(UHPLC-QTOF/MS)的非靶向代谢组学方法获得了中国冠心病患者群体的代谢指纹图谱,发现了105个与冠心病相关的代谢物。

研究者经过多元线性回归分析及 Bonferroni 校正后,从 105 个两组间差异显着的代谢物中筛选出棕榈酸、亚油酸、脂酰肉毒碱(14:1)、石胆酸、磷脂酰甘油(20:3/2:0)等 5 种差异最为显着的血浆代谢物。

校正危险因素后,Logistic 回归模型分析结果显示,这 5 种代谢物与冠心病发病风险呈显着正相关(OR=2.791~7.237)。

其中,石胆酸和磷脂酰甘油(20:3/2:0),是首次挖掘出的与冠心病病理生理过程有强关联的潜在生物标志物,分别增加2.7~3.9倍冠心病风险。

棕榈酸,是上述5种代谢物中冠心病发病风险预测能力最高的代谢物(OR=7.237,95% CI:2.390~21.912,P=0.0001)。

有研究显示,棕榈酸(16:0)可以显着增加总胆固醇及低密度脂蛋白(LDL)水平;还有研究显示,棕榈酸可通过触发炎症相关通路诱发动脉粥样硬化形成。

其次,亚油酸也与冠心病发病风险显着相关,每升高1个单位,冠心病的患病风险就增加 6.133 倍(95% CI:2.367~15.893,P=0.0005)。

这项研究对 150 例严重冠状动脉狭窄(狭窄≥80%)的冠心病患者(冠心病组)和年龄与性别 1:1 匹配的 150 例冠状动脉造影正常(狭窄≤20%)者(对照组)进行血浆代谢组学分析。

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    2020-04-21 gous
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    2020-01-04 jyzxjiangqin

    冠状动脉疾病的治疗。

    0

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    2019-09-27 jyzxjiangqin

    冠心病的治疗。

    0

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