Reference: Steinfeld N, et al. (2021) Simultaneous Detection of Phosphoinositide Lipids by Radioactive Metabolic Labeling. Methods Mol Biol 2251:1-17

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Abstract


Phosphoinositide (PPI) lipids are a crucial class of low-abundance signaling molecules that regulate many processes within cells. Methods that enable simultaneous detection of all PPI lipid species provide a wholistic snapshot of the PPI profile of cells, which is critical for probing PPI biology. Here we describe a method for the simultaneous measurement of cellular PPI levels by metabolically labeling yeast or mammalian cells with myo-3H-inositol, extracting radiolabeled glycerophosphoinositides, and separating lipid species on an anion exchange column via HPLC.

Reference Type
Journal Article | Research Support, N.I.H., Extramural
Authors
Steinfeld N, Giridharan SSP, Kauffman EJ, Weisman LS
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