代谢组学数据分析方法及在糖尿病研究中的应用

被引:31
作者
董继扬 [1 ]
徐乐 [1 ]
曹红婷 [1 ]
戴晓侠 [2 ]
李学军 [3 ]
杨叔禹 [3 ]
陈忠 [1 ]
机构
[1] 厦门大学物理系
[2] 厦门大学医学院
[3] 厦门市第一医院
关键词
基于NMR的代谢组学; 2型糖尿病; 非负矩阵分解; 主成分分析;
D O I
暂无
中图分类号
R587.1 [糖尿病];
学科分类号
100201 [内科学];
摘要
对NMR波谱数据的统计分析是基于NMR代谢组学研究的关键问题之一.鉴于NMR波谱信号可以近似为样品中各种成分谱信号的线性叠加,本文将非负矩阵分解(NMF)方法引入基于NMR代谢组学的数据处理中,并与代谢组学中常用的统计方法——主成分分析(PCA)进行比较.通过NMF和PCA两种方法对健康志愿者与2型糖尿患者血液和尿液的NMR谱图的统计分析,对所获取的特征代谢物进行比较和验证,并探讨了PCA方法可能存在的不足之处及其原因;阐明了NMF方法是基于NMR的代谢组学研究中较理想的数据分析方法.最后,讨论了基于NMR代谢组学在糖尿病研究中的前景.
引用
收藏
页码:381 / 393
页数:13
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