Document Detail


Oral Administration of Oleic or Linoleic Acids Modulates the Production of Inflammatory Mediators by Rat Macrophages.
MedLine Citation:
PMID:  22695743     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Oleic (OLA) and linoleic (LNA) acids are commonly consumed fatty acids and they can modulate the inflammatory response, in which macrophages play an important role. The aim of this study was to investigate the effects of these two fatty acids on the production of inflammatory mediators by macrophages. Rats received oral administration of water (control), OLA or LNA (0.22 g/kg body weight) daily for 10 days and peritoneal resident macrophages were then isolated. Subsequently, they were seeded in culture plates and the production of various inflammatory mediators was assessed. Oral administration with OLA decreased the production of IL-1β, IL-6 and CINC-2αβ by resident macrophages and LNA decreased the production of IL-1β, IL-6 and VEGF in the absence of lipopolysaccharide (LPS), although it accelerated IL-1β release and decreased IL-10 synthesis when cells were stimulated with LPS. Neither fatty acid affected the production of superoxide anion, hydrogen peroxide, nitrite, TNF-α, PGE(2), LTB(4) or 15(S)-HETE. Thus, OLA and LNA influence the production of several inflammatory mediators by macrophages.
Authors:
Juliana Magdalon; Marco A R Vinolo; Hosana G Rodrigues; Vivian A Paschoal; Rosângela P Torres; Jorge Mancini-Filho; Philip C Calder; Elaine Hatanaka; Rui Curi
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-14
Journal Detail:
Title:  Lipids     Volume:  -     ISSN:  1558-9307     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0060450     Medline TA:  Lipids     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Departamento de Fisiologia e Biofísica, Instituto de Ciências Biomédicas, Universidade de São Paulo, Av. Prof. Lineu Prestes, 1524, 1° andar, sala 105. Cidade Universitária, CEP 05508-900, SP, Sao Paulo, Brazil, jumagdalon@ig.com.br.
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