Document Detail


Different fatty acid composition in central and peripheral adipose tissues of the American mink (Mustela vison).
MedLine Citation:
PMID:  17412626     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Fatty acid (FA) composition in the intraabdominal (IAB), subcutaneous (SC) and peripheral adipose tissues of the semiaquatic American mink (Mustela vison) was examined in comparison to the diet by gas-liquid chromatography. There was a clear compositional gradient from the IAB via SC to peripheral adipose tissues and the anatomically different adipose tissues accumulated or metabolized FA selectively. The total lipids of the body appendages had smaller proportions of saturated (SFA) and larger proportions of monounsaturated (MUFA) and polyunsaturated fatty acids (PUFA) than the lipids of the trunk adipose tissues. Especially n-3 PUFA were enriched in the periphery. The appendages were also characterized with a high ratio of unsaturated FA to SFA, an increased Delta9-desaturation index and increased mean numbers of double bonds and carbon atoms in a FA molecule. The proportions of SFA and MUFA of the diet resembled the trunk adipose tissues while the dietary percentage of n-3 PUFA surpassed those of the trunk fat depots but was lower than those of the peripheral fats. These data confirm that the FA signatures of mammals reflect not only their dietary history but also metabolic modifications of ingested FA.
Authors:
Anne-Mari Mustonen; Reijo Käkelä; Petteri Nieminen
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2007-03-03
Journal Detail:
Title:  Comparative biochemistry and physiology. Part A, Molecular & integrative physiology     Volume:  147     ISSN:  1095-6433     ISO Abbreviation:  Comp. Biochem. Physiol., Part A Mol. Integr. Physiol.     Publication Date:  2007 Aug 
Date Detail:
Created Date:  2007-06-05     Completed Date:  2007-08-01     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9806096     Medline TA:  Comp Biochem Physiol A Mol Integr Physiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  903-10     Citation Subset:  IM    
Affiliation:
Faculty of Biosciences, University of Joensuu, P.O. Box 111, FIN-80101, Joensuu, Finland. ammusto@cc.joensuu.fi
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MeSH Terms
Descriptor/Qualifier:
Adipose Tissue / chemistry*
Animals
Diet
Fatty Acids / analysis*
Fatty Acids, Unsaturated / analysis
Female
Mink / metabolism*
Principal Component Analysis
Chemical
Reg. No./Substance:
0/Fatty Acids; 0/Fatty Acids, Unsaturated

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


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