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KMID : 0620920100420010001
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Experimental & Molecular Medicine
2010 Volume.42 No. 1 p.1 ~ p.11
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Mass spectrometry based cellular phosphoinositides profiling and phospholipid analysis: A brief review
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Kim Young-Jun
Shanta Selina-Rahman
Zhou Li-Hua
Kim Kwang-Pyo
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Abstract
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Phospholipids are key components of cellular membrane and signaling. Among cellular phospholipids, phosphoinositides, phosphorylated derivatives of phosphatidylinositol are important as a participant in essential metabolic processes in animals. However, due to its low abundance in cells and tissues, it is difficult to identify the composition of phosphoinositides. Recent advances in mass spectrometric techniques, combined with established separation methods, have allowed the rapid and sensitive detection and quantification of a variety of lipid species including phosphoinositides. In this mini review, we briefly introduce progress in profiling of cellular phosphoinositides using mass spectrometry. We also summarize current progress of matrices development for the analysis of cellular phospholipids using matrix-assisted laser desorption/ ionization mass spectrometry. The phosphoinositides profiling and phospholipids imaging will help us to understand how they function in a biological system and will provide a powerful tool for elucidating the mechanism of diseases such as diabetes, cancer and neurodegenerative diseases. The investigation of cellular phospholipids including phosphoinositides using electrospray ionization mass spectrometry and matrix-assisted laser desorption/ionization mass spectrometry will suggest new insights on human diseases, and on clinical application through drug development of lipid related diseases. Keywords: lipids; lipid metabolism disorders; phospholipids; phosphatidylinositols; spectrometry, mass, electrospray ionization; spectrometry, mass, matrix- assisted laser desorption-ionization
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KEYWORD
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lipids, lipid metabolism disorders, phospholipids, phosphatidylinositols, spectrometry, mass, electrospray ionization, spectrometry, mass, matrix-assisted laser desorption-ionization
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