2014
DOI: 10.1194/jlr.r046094
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Diversity and function of membrane glycerophospholipids generated by the remodeling pathway in mammalian cells

Abstract: Cellular membranes are composed of numerous kinds of glycerophospholipids with different combinations of polar heads at the sn-3 position and acyl moieties at the sn-1 and sn-2 positions, respectively. The glycerophospholipid compositions of different cell types, organelles, and inner/outer plasma membrane leaflets are quite diverse. The acyl moieties of glycerophospholipids synthesized in the de novo pathway are subsequently remodeled by the action of phospholipases and lysophospholipid acyltransferases. This… Show more

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Cited by 302 publications
(258 citation statements)
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References 133 publications
(134 reference statements)
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“…In addition, the levels of choline, PC, and many lysolipids were significantly higher, while the level of glycerol was significantly lower in ATO-treated group than that in the control group at the time point of 24 h. These observations were consistent with an earlier active membrane remodeling and a later increase in membrane breakdown in response to ATO treatment [22]. Downregulated one-carbon metabolism, fatty acid β-oxidation, and polyamine metabolism pathway One-carbon metabolism is involved in the folate and methionine cycles [23].…”
Section: Upregulated Glycerophospholipid Metabolism Pathwaysupporting
confidence: 73%
“…In addition, the levels of choline, PC, and many lysolipids were significantly higher, while the level of glycerol was significantly lower in ATO-treated group than that in the control group at the time point of 24 h. These observations were consistent with an earlier active membrane remodeling and a later increase in membrane breakdown in response to ATO treatment [22]. Downregulated one-carbon metabolism, fatty acid β-oxidation, and polyamine metabolism pathway One-carbon metabolism is involved in the folate and methionine cycles [23].…”
Section: Upregulated Glycerophospholipid Metabolism Pathwaysupporting
confidence: 73%
“…Despite the preference of cPLA 2 IV to hydrolyze PUFAs from PC and PI, the transacylases further mediate the newly acquired n-3 PUFAs to PEs and other GPLs, which can then serve as n-3 PUFA donors for various lipases (73). Increasing the ratio of 20:5n-3/20:4n-6 in membrane GPLs is known to be manifested in an increased ratio of the classic eicosanoids PGE3/PGE2 , with well-known anti-inflammatory effects (51,74).…”
Section: Discussionmentioning
confidence: 99%
“…The wide variety of lysoPLs that is depleted suggests that the entire lysoPL population is affected. lysoPLs are needed for PL remodeling during membrane synthesis, repair, and replacement ( 20,21 ). Because rates of DHA synthesis in the brain are insuffi cient to meet brain DHA requirements ( 6,22,23 ), it has been proposed that the brain acquires DHA as docosahexaenoyl-sn -glycero-3-phosphocholine (lyso-DHA-PC) ( 24 ).…”
Section: Discussionmentioning
confidence: 99%