Document Detail


Lipid remodeling in mouse liver and plasma resulting from delta6 fatty acid desaturase inhibition.
MedLine Citation:
PMID:  11795852     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Electrospray/tandem mass spectrometry was used to quantify lipid remodeling in mouse liver and plasma during inhibition of polyunsaturated fatty acid synthesis by the delta6 fatty acid desaturase inhibitor, SC-26196. SC-26196 caused increases in linoleic acid and corresponding decreases in arachidonic acid and docosahexaenoic acid in select molecular species of phosphatidylcholine, phosphatidylethanolamine, and cholesterol esters but not in phosphatidylserine, phosphatidylinositol, or triglycerides. For linoleic acid-, arachidonic acid-, and docosahexaenoic acid-containing phospholipid species, this difference was, in part, determined by the fatty acid at the sn-1 position, namely, palmitic or stearic acid. An understanding of phospholipid remodeling mediated by delta6 desaturase inhibition should aid in clarifying the contribution of arachidonic acid derived via de novo synthesis or obtained directly in the diet during inflammatory responses.
Authors:
K L Duffin; M G Obukowicz; W J Salsgiver; D J Welsch; C Shieh; A Raz; P Needleman
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Lipids     Volume:  36     ISSN:  0024-4201     ISO Abbreviation:  Lipids     Publication Date:  2001 Nov 
Date Detail:
Created Date:  2002-01-17     Completed Date:  2002-08-13     Revised Date:  2009-11-19    
Medline Journal Info:
Nlm Unique ID:  0060450     Medline TA:  Lipids     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1203-8     Citation Subset:  IM    
Affiliation:
Analytical Sciences, Pharmacia Corporation, St. Louis, Missouri 63198, USA.
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MeSH Terms
Descriptor/Qualifier:
Animals
Arachidonic Acid / metabolism
Blood / drug effects,  metabolism
Docosahexaenoic Acids / metabolism
Enzyme Inhibitors / pharmacology
Fatty Acid Desaturases / antagonists & inhibitors*
Female
Linoleic Acid / metabolism
Linoleoyl-CoA Desaturase
Lipid Metabolism*
Lipids / chemistry*
Liver / drug effects,  metabolism*
Mice
Mice, Inbred BALB C
Piperazines / pharmacology
Spectrometry, Mass, Electrospray Ionization / methods
Chemical
Reg. No./Substance:
0/Enzyme Inhibitors; 0/Lipids; 0/Piperazines; 0/SC 26196; 2197-37-7/Linoleic Acid; 25167-62-8/Docosahexaenoic Acids; 506-32-1/Arachidonic Acid; EC 1.14.19.-/Fatty Acid Desaturases; EC 1.14.19.3/Linoleoyl-CoA Desaturase

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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