The effect on human tumor necrosis factor α and interleukin 1β production of diets enriched in n-3 fatty acids from vegetable oil or fish oil

Gillian E. Caughey, Evangeline Mantzioris, Robert A. Gibson, Leslie G. Cleland, Michael J. James

Research output: Contribution to journalArticle

641 Citations (Scopus)

Abstract

The effect of a flaxseed oil-based diet on tumor necrosis factor α (TNFα) and interleukin 1β (IL-1β) synthesis was examined in healthy volunteers. Use of flaxseed oil in domestic food preparation for 4 wk inhibited TNFα and IL-1β production by ≃30%. Fish-oil supplementation (9 g/d) continued for a further 4 wk; TNFα and IL-1β synthesis were inhibited by 74% and 80%, respectively. There was a significant inverse exponential relation between TNFα or IL-1β synthesis and mononuclear cell content of eicosapentaenoic acid (EPA), an n=3 fatty acid derived from ingested EPA (fish oil) or metabolism of ingested α-linolenic acid (flaxseed oil). Cytokine production decreased as cellular EPA increased to ≃1% of total fatty acids. Further increases in EPA content did not result in further decreases in cytokine production. The results indicate that vegetable oils rich in n=3 fatty acids inhibit TNFα and IL-1β synthesis.

LanguageEnglish
Pages116-122
Number of pages7
JournalAmerican Journal of Clinical Nutrition
Volume63
Issue number1
DOIs
Publication statusPublished - 1 Jan 1996
Externally publishedYes

Keywords

  • Flaxseed oil
  • eicosapentaenoic acid
  • interleukin 1β
  • monocytes
  • tumor necrosis factor α
  • α-linolenic acid

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics

Cite this

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title = "The effect on human tumor necrosis factor α and interleukin 1β production of diets enriched in n-3 fatty acids from vegetable oil or fish oil",
abstract = "The effect of a flaxseed oil-based diet on tumor necrosis factor α (TNFα) and interleukin 1β (IL-1β) synthesis was examined in healthy volunteers. Use of flaxseed oil in domestic food preparation for 4 wk inhibited TNFα and IL-1β production by ≃30{\%}. Fish-oil supplementation (9 g/d) continued for a further 4 wk; TNFα and IL-1β synthesis were inhibited by 74{\%} and 80{\%}, respectively. There was a significant inverse exponential relation between TNFα or IL-1β synthesis and mononuclear cell content of eicosapentaenoic acid (EPA), an n=3 fatty acid derived from ingested EPA (fish oil) or metabolism of ingested α-linolenic acid (flaxseed oil). Cytokine production decreased as cellular EPA increased to ≃1{\%} of total fatty acids. Further increases in EPA content did not result in further decreases in cytokine production. The results indicate that vegetable oils rich in n=3 fatty acids inhibit TNFα and IL-1β synthesis.",
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The effect on human tumor necrosis factor α and interleukin 1β production of diets enriched in n-3 fatty acids from vegetable oil or fish oil. / Caughey, Gillian E.; Mantzioris, Evangeline; Gibson, Robert A.; Cleland, Leslie G.; James, Michael J.

In: American Journal of Clinical Nutrition, Vol. 63, No. 1, 01.01.1996, p. 116-122.

Research output: Contribution to journalArticle

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