Clinica Chimica Acta:人类血浆和尿液的代谢组学及通路分析进一步揭示了冠状动脉疾病的多因素性质

2019-08-08 Gladiator MedSci原创

冠状动脉疾病<span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:14.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;; mso-fareast-font-family:宋体;mso-bidi-font-family:&quot;Times New Roma

冠状动脉疾病(CAD)每年夺去数百万人的生命。核磁共振(1H NMR)代谢组学分析可以有效地识别代谢生物标志物,从而为诊断提供依据。本研究目的是利用核磁共振1H分析来识别CAD代谢类型及其所涉及的通路。

研究人员使用1H NMR分析了50例稳定冠心病患者和50例健康对照者的血浆和尿液样本。建立了正交偏最小二乘判别分析(OPLS-DA)和多元逻辑回归(MVLR)模型,对不同类型的元突变体进行了判别。进行代谢途径分析,以确定所涉及的途径。

血浆和尿液OPLS-DA模型的特异性、敏感性和准确性分别为100%96%98%。血浆MVLR模型特异性、敏感性、准确性和AUROC分别为92%86%89%0.96。尿MVLR模型特异性、敏感性、准确性和AUROC分别为90%80%85%0.92。血浆代谢产物35种,尿代谢产物12种。代谢途径分析显示,尿素循环、氨基酰基trna的生物合成和酮体合成降解途径在血浆中受到明显干扰,而甲基组氨酸代谢和半乳糖代谢途径在尿液中受到明显干扰。通过对SNPs-相关代谢物文库的表征分析,发现85SNPs在血浆metabotype中显著富集。

研究表明,心脏代谢异常、肠道菌群失调和遗传变异与冠心病的发病机制密切相关。

原始出处:

Arwa M. AminHamza MostafaMetabolomics profiling and pathway analysis of human plasma and urine reveal further insights into the multifactorial nature of coronary artery disease

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    2020-05-16 windight
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    2019-08-08 明天jing

    代谢组学是热点,它反映疾病的终极状态,通过代谢组学可以反向知道生命体的活动特点,只是目前代谢组成分太复杂,背后的机制仍然不完全清楚而已。

    0

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