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An integrated multi-omics study revealed metabolic alterations underlying the effects of coffee consumption

Shoko Takahashi1, Kenji Saito2, Huijuan Jia2

  • 1Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, the University of Tokyo, Tokyo, Japan; Food for Life, Organization for Interdisciplinary Research Projects, the University of Tokyo, Tokyo, Japan.

Plos One
|March 13, 2014
PubMed

Insights

Coffee consumption may prevent obesity and type 2 diabetes by boosting energy expenditure. This study found coffee intake accelerates the TCA and urea cycles, improving lipid metabolism and increasing ATP turnover.

Area of Science:

  • Metabolomics
  • Proteomics
  • Molecular Biology

Background:

  • Epidemiological studies suggest coffee intake reduces obesity and diabetes risks.
  • Mechanisms underlying coffee's health benefits remain unclear.
  • Previous gene expression analysis revealed alterations in lipid metabolism.

Purpose of the Study:

  • To elucidate metabolic alterations from coffee consumption using multi-omics.
  • To investigate the link between coffee, energy expenditure, and lipid metabolism.
  • To provide insights into coffee's role in preventing metabolic diseases.

Main Methods:

  • Comprehensive proteomic and metabolomic analyses were performed.
  • Mice were fed a high-fat diet with different coffee types.
  • Transcriptome data from a previous study were integrated.

Main Results:

  • Proteomics indicated up-regulation of isocitrate dehydrogenase and related proteins, suggesting increased energy generation.
  • Metabolomics revealed up-regulated urea cycle metabolites, indicating accelerated energy expenditure.
  • TCA and urea cycles appear to be concertedly accelerated, linked to lipid metabolism shifts.

Conclusions:

  • Coffee intake may prevent obesity and related conditions by accelerating the TCA and urea cycles.
  • Increased ATP turnover and altered lipid metabolism are key mechanisms.
  • Multi-omics approach provides significant insights into coffee's preventative role in type 2 diabetes.

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