Analysis of phospholipids in rat brain using liquid chromatography-mass spectrometry.

Abstract Text

The brain is a lipid-rich organ containing complex polar lipids including phospholipids (PLs) and sphingolipids. These lipids are involved in the structure and function of cell membranes in the brain. We developed a fast and efficient liquid chromatography-tandem mass spectrometry (LC-MS/MS) method to quantify five different classes of PLs [Choline glycerophospholipid (consists of phosphatidyl choline and plasmenyl choline in these samples), ethanolamine glycerophospholipid (consist of phosphatidyl ethanolamine and plasmenyl ethanolamine in these samples), phosphatidyl serine, phosphatidyl inositol, and sphingomyelin] in the brain tissues of 80-day-old Wistar rats. The PLs were extracted from rat brain using chloroform/methanol/water. After separation using a hydrophilic high performance liquid chromatography column, PL-class-specific fragmentation (head group identification) with a tandem mass spectrometer in positive ion mode was utilized to measure changes in the relative concentration of the five PL classes. The advantage of this approach was its improved specificity over previously reported LC-MS methods. The method had good repeatability (coefficient of variation 3-9%, excluding phosphatidyl inositol) and recovery (92-103%) and compared well with more laborious traditional methods.

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2016-09-04 14:53:52

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Citation:- Norris C, Fong C, MacGibbon C, McJarrow C, .Analysis of phospholipids in rat brain using liquid chromatography-mass spectrometry. Lipids 2009-Nov;44()1047-54 DOI:10.1007/s11745-009-3357-8

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Details of Journal

Journal Title - Lipids

ISSN - 1558-9307

Volume - 44

Issue - 11

Publish date - 2009-Nov

Language - eng

Country - Germany


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