Adaptive thermogenesis by dietary n-3 polyunsaturated fatty acids: Emerging evidence and mechanisms

Rong Fan, Karsten Koehler, Soonkyu Chung

Research output: Contribution to journalReview article

2 Citations (Scopus)

Abstract

Brown/beige fat plays a crucial role in maintaining energy homeostasis through non-shivering thermogenesis in response to cold temperature and excess nutrition (adaptive thermogenesis). Although numerous molecular and genetic regulators have been identified, relatively little information is available regarding thermogenic dietary molecules. Recently, a growing body of evidence suggests that high consumption of n-3 polyunsaturated fatty acids (PUFA) or activation of GPR120, a membrane receptor of n-3 PUFA, stimulate adaptive thermogenesis. In this review, we summarize the emerging evidence that n-3 PUFA promote brown/beige fat formation and highlight the potential mechanisms whereby n-3 PUFA require GPR120 as a signaling platform or act independently. Human clinical trials are revisited in the context of energy expenditure. Additionally, we explore some future perspective that n-3 PUFA intake might be a useful strategy to boost or sustain metabolic activities of brown/beige fat at different lifecycle stages of pregnancy and senescence. Given that a high ratio of n-6/n-3 PUFA intake is associated with the development of obesity and type 2 diabetes, understanding the impact of n-6/n-3 ratio on energy expenditure and adaptive thermogenesis will inform the implementation of a novel nutritional strategy for preventing obesity.

Original languageEnglish (US)
Pages (from-to)59-70
Number of pages12
JournalBiochimica et Biophysica Acta - Molecular and Cell Biology of Lipids
Volume1864
Issue number1
DOIs
StatePublished - Jan 2019

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Thermogenesis
Omega-3 Fatty Acids
Brown Adipose Tissue
Energy Metabolism
Obesity
Type 2 Diabetes Mellitus
Molecular Biology
Homeostasis
Clinical Trials
Pregnancy
Membranes
Beige Adipose Tissue

Keywords

  • Adaptive thermogenesis
  • Beige adipocytes
  • Brown adipocyte
  • Fish oil
  • GPR120
  • N-6/n-3 ratio
  • Thermogenic diet
  • UCP1

ASJC Scopus subject areas

  • Molecular Biology
  • Cell Biology

Cite this

Adaptive thermogenesis by dietary n-3 polyunsaturated fatty acids : Emerging evidence and mechanisms. / Fan, Rong; Koehler, Karsten; Chung, Soonkyu.

In: Biochimica et Biophysica Acta - Molecular and Cell Biology of Lipids, Vol. 1864, No. 1, 01.2019, p. 59-70.

Research output: Contribution to journalReview article

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