Reaction participants Show >> << Hide
- Name help_outline a 1-acyl-sn-glycero-3-phosphoethanolamine Identifier CHEBI:64381 Charge 0 Formula C6H13NO7PR SMILEShelp_outline [NH3+]CCOP([O-])(=O)OC[C@H](O)COC([*])=O 2D coordinates Mol file for the small molecule Search links Involved in 77 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline H2O Identifier CHEBI:15377 (Beilstein: 3587155; CAS: 7732-18-5) help_outline Charge 0 Formula H2O InChIKeyhelp_outline XLYOFNOQVPJJNP-UHFFFAOYSA-N SMILEShelp_outline [H]O[H] 2D coordinates Mol file for the small molecule Search links Involved in 6,048 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline a 1-acyl-sn-glycero-3-phosphate Identifier CHEBI:57970 Charge -2 Formula C4H6O7PR SMILEShelp_outline O[C@H](COC([*])=O)COP([O-])([O-])=O 2D coordinates Mol file for the small molecule Search links Involved in 107 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline ethanolamine Identifier CHEBI:57603 Charge 1 Formula C2H8NO InChIKeyhelp_outline HZAXFHJVJLSVMW-UHFFFAOYSA-O SMILEShelp_outline [NH3+]CCO 2D coordinates Mol file for the small molecule Search links Involved in 44 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline H+ Identifier CHEBI:15378 Charge 1 Formula H InChIKeyhelp_outline GPRLSGONYQIRFK-UHFFFAOYSA-N SMILEShelp_outline [H+] 2D coordinates Mol file for the small molecule Search links Involved in 9,176 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Cross-references
| RHEA:39003 | RHEA:39004 | RHEA:39005 | RHEA:39006 | |
|---|---|---|---|---|
| Reaction direction help_outline | undefined | left-to-right | right-to-left | bidirectional |
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Related reactions help_outline
Specific form(s) of this reaction
Publications
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Serum lysophosphatidic acid is produced through diverse phospholipase pathways.
Aoki J., Taira A., Takanezawa Y., Kishi Y., Hama K., Kishimoto T., Mizuno K., Saku K., Taguchi R., Arai H.
Lysophosphatidic acid (LPA) is a lipid mediator with multiple biological activities that accounts for many biological properties of serum. LPA is thought to be produced during serum formation based on the fact that the LPA level is much higher in serum than in plasma. In this study, to better unde ... >> More
Lysophosphatidic acid (LPA) is a lipid mediator with multiple biological activities that accounts for many biological properties of serum. LPA is thought to be produced during serum formation based on the fact that the LPA level is much higher in serum than in plasma. In this study, to better understand the pathways of LPA synthesis in serum, we evaluated the roles of platelets, plasma, and phospholipases by measuring LPA using a novel enzyme-linked fluorometric assay. First, examination of platelet-depleted rats showed that half of the LPA in serum is produced via a platelet-dependent pathway. However, the amount of LPA released from isolated platelets after they are activated by thrombin or calcium ionophore accounted for only a small part of serum LPA. Most of the platelet-derived LPA was produced in a two-step process: lysophospholipids such as lysophosphatidylcholine (LPC), lysophosphatidylethanolamine, and lysophosphatidylserine, were released from activated rat platelets by the actions of two phospholipases, group IIA secretory phospholipase A(2) (sPLA(2)-IIA) and phosphatidylserine-specific phospholipase A(1) (PS-PLA(1)), which were abundantly expressed in the cells. Then these lysophospholipids were converted to LPA by the action of plasma lysophospholipase D (lysoPLD). Second, accumulation of LPA in incubated plasma was strongly accelerated by the addition of recombinant lysoPLD with a concomitant decrease in LPC accumulation, indicating that the enzyme produces LPA by hydrolyzing LPC produced during the incubation. In addition, incubation of plasma isolated from human subjects who were deficient in lecithin-cholesterol acyltransferase (LCAT) did not result in increases of either LPC or LPA. The present study demonstrates multiple pathways for LPA production in serum and the involvement of several phospholipases, including PS-PLA(1), sPLA(2)-IIA, LCAT, and lysoPLD. << Less
J. Biol. Chem. 277:48737-48744(2002) [PubMed] [EuropePMC]
This publication is cited by 5 other entries.