Document Detail


Abnormal fatty acid composition of lymphocytes of biotin-deficient rats.
MedLine Citation:
PMID:  7965217     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The relative proportions (% of total fatty acids) of odd-chain (15:0-29:0) and long-chain (22:0-30:0) saturated fatty acids in phospholipids of biotin-deficient rat lymphocytes were significantly increased as compared with biotin-supplemented rats, and the ratio of unsaturated fatty acids to saturated fatty acids in the former was significantly decreased mainly due to the reduced composition of polyunsaturated fatty acids in the omega-3, omega-6, and omega-9 pathway. The ratio of cis-vaccenic acid to palmitoleic acid in biotin-deficient rats was significantly lower than that in control rats, and was thought to be another important, but previously unreported indicator of biotin deficiency. These changes imply that the elongation and desaturation of unsaturated fatty acids are depressed in lymphocytes of biotin-deficient rats, and may contribute to the associated immunological dysfunction in biotin deficiency through abnormal prostaglandin metabolism and/or cell membrane functions.
Authors:
Y Y Liu; Y Shigematsu; I Bykov; A Nakai; Y Kikawa; T Fukui; M Sudo
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of nutritional science and vitaminology     Volume:  40     ISSN:  0301-4800     ISO Abbreviation:  J. Nutr. Sci. Vitaminol.     Publication Date:  1994 Jun 
Date Detail:
Created Date:  1994-12-16     Completed Date:  1994-12-16     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  0402640     Medline TA:  J Nutr Sci Vitaminol (Tokyo)     Country:  JAPAN    
Other Details:
Languages:  eng     Pagination:  283-8     Citation Subset:  IM    
Affiliation:
Department of Pediatrics, Fukui Medical School, Japan.
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MeSH Terms
Descriptor/Qualifier:
Animals
Biotin / deficiency*
Fatty Acids / blood*
Fatty Acids, Monounsaturated / blood
Fatty Acids, Unsaturated / blood
Lymphocytes / metabolism*
Male
Oleic Acids / blood
Phospholipids / blood
Rats
Rats, Wistar
Chemical
Reg. No./Substance:
0/Fatty Acids; 0/Fatty Acids, Monounsaturated; 0/Fatty Acids, Unsaturated; 0/Oleic Acids; 0/Phospholipids; 2091-29-4/palmitoleic acid; 506-17-2/cis-vaccenic acid; 58-85-5/Biotin

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


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