Kinetics of biomarkers: biological and technical validity of isoprostanes in plasma.

被引：42

作者：

Coolen S.A. ^{[1
]}

van Buuren B. ^{[1
]}

Duchateau G. ^{[1
]}

Upritchard J. ^{[1
]}

Verhagen H. ^{[1
]}

机构：

[1] Unilever Health Institute,

[2] Unilever Research & Development Vlaardingen,undefined

来源：

Amino Acids | 2005年 / 29卷 / 4期

关键词：

Keywords: Biomarkers – Isoprostanes – Solid phase extraction – LC-MS-MS – Plasma – Food sciences;

D O I：

10.1007/s00726-005-0229-2

中图分类号：

学科分类号：

摘要：

Isoprostanes, non-enzymatic peroxidation products of arachidonic acid, are attractive biomarkers of oxidative stress in research in biology, medicine and nutrition. For the appropriate use of biomarkers it is required that these are both biologically and technically valid. Whereas the biological validity of isoprostanes is well-established, it is technically quite complicated to measure isoprostanes and its metabolites in body fluids, and its rapid disappearance from plasma may hamper practical application. This paper shortly introduces isoprostanes as a biomarker for studies with humans, describes a novel fast and sensitive method for measuring isoprostanes in plasma by high-performance liquid chromatography and tandem mass spectrometry, and provides several examples of the use of the method in studies in humans. By taking care of the biological and technical validity of this biomarker it is possible to establish the antioxidant effects of some food ingredients in studies with human volunteers.

引用

页码：429 / 436

页数：7

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