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Eur J Lipid Sci Technol. 2015 Oct;117(10):1540-1549. doi: 10.1002/ejlt.201500145. Epub 2015 Jul 20.

An automated shotgun lipidomics platform for high throughput, comprehensive, and quantitative analysis of blood plasma intact lipids.

European journal of lipid science and technology : EJLST

Michal A Surma, Ronny Herzog, Andrej Vasilj, Christian Klose, Nicolas Christinat, Delphine Morin-Rivron, Kai Simons, Mojgan Masoodi, Julio L Sampaio

Affiliations

  1. Lipotype GmbH Dresden, Germany.
  2. Nestlé Institute of Health Sciences S.A. Lausanne, Switzerland.

PMID: 26494980 PMCID: PMC4606567 DOI: 10.1002/ejlt.201500145

Abstract

Blood plasma has gained protagonism in lipidomics studies due to its availability, uncomplicated collection and preparation, and informative readout of physiological status. At the same time, it is also technically challenging to analyze due to its complex lipid composition affected by many factors, which can hamper the throughput and/or lipidomics coverage. To tackle these issues, we developed a comprehensive, high throughput, and quantitative mass spectrometry-based shotgun lipidomics platform for blood plasma lipid analyses. The main hallmarks of this technology are (i) it is comprehensive, covering 22 quantifiable different lipid classes encompassing more than 200 lipid species; (ii) it is amenable to high-throughput, with less than 5 min acquisition time allowing the complete analysis of 200 plasma samples per day; (iii) it achieves absolute quantification, by inclusion of internal standards for every lipid class measured; (iv) it is highly reproducible, achieving an average coefficient of variation of <10% (intra-day), approx. 10% (inter-day), and approx. 15% (inter-site) for most lipid species; (v) it is easily transferable allowing the direct comparison of data acquired in different sites. Moreover, we thoroughly assessed the influence of blood stabilization with different anticoagulants and freeze-thaw cycles to exclude artifacts generated by sample preparation.

Keywords: Blood plasma; Clinical biomarker; High throughput; Lipids; Shotgun lipidomics

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