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Journal of Lipid Research, Vol. 50, S311-S316, April 2009
Membrane phospholipid synthesis and endoplasmic reticulum function
Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN 38105-3678 This work was supported by National Institutes of Health Grant GM-45737, by Cancer Center Support Grant CA21765, and by the American Lebanese Syrian Associated Charities. Published, JLR Papers in Press, October 23, 2008.
1 To whom correspondence should be addressed. e-mail: suzanne.jackowski{at}stjude.org
This review presents an overview of mammalian phospholipid synthesis and the cellular locations of the biochemical activities that produce membrane lipid molecular species. The generalized endoplasmic reticulum compartment is a central site for membrane lipid biogenesis, and examples of the emerging relationships between alterations in lipid composition, regulation of membrane lipid biogenesis, and cellular secretory function are discussed.
Supplementary key words phospholipids sphingolipids plasmalogens unfolded protein response Abbreviations: CCT, cytidylyltransferase; Cer, ceramide; CL, cardiolipin; DG, diacylglycerol; DGP, diacylglycerol phosphate; ER, endoplasmic reticulum; ERGIC, ER-Golgi intermediate compartment; MCS, membrane contact site; UPR, unfolded protein response; XBP-1, X-box binding protein 1
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