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Related Experiment Video

Updated: Feb 10, 2026

Using a Combination of Indirect Calorimetry, Infrared Thermography, and Blood Glucose Levels to Measure Brown Adipose Tissue Thermogenesis in Humans
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Brown fat fuel utilization and thermogenesis.

Kristy L Townsend1, Yu-Hua Tseng2

  • 1Joslin Diabetes Center and Harvard Medical School, One Joslin Place, Boston, MA 02215, USA.

Trends in Endocrinology and Metabolism: TEM
|January 7, 2014
PubMed
Summary
This summary is machine-generated.

Brown adipose tissue (BAT) generates heat for energy expenditure. This review details how brown adipocytes utilize fuels like fatty acids and glucose, offering potential therapeutic targets for metabolic disorders.

Keywords:
brown adipose tissueenergy expenditureuncoupling protein 1

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Area of Science:

  • Metabolic physiology
  • Thermogenesis research
  • Adipocyte biology

Background:

  • Brown adipose tissue (BAT) is crucial for thermogenesis and energy expenditure in mammals.
  • BAT utilizes glucose and fatty acids (FAs) as primary fuel sources.
  • Brown adipocytes store FAs in lipid droplets and have high glucose uptake capacity.

Purpose of the Study:

  • To review the fuel utilization processes in brown adipocytes.
  • To highlight the role of fuel metabolism in BAT function.
  • To discuss BAT as a therapeutic target for metabolic diseases.

Main Methods:

  • Literature review of recent research on brown adipocyte fuel metabolism.
  • Analysis of pathways for fatty acid and glucose utilization in BAT.
  • Synthesis of findings on insulin sensitivity and energy expenditure.

Main Results:

  • Brown adipocytes efficiently uptake and metabolize both fatty acids and glucose.
  • Lipid droplets within brown adipocytes serve as an internal fuel source.
  • BAT's metabolic flexibility is key to its thermogenic function.

Conclusions:

  • Understanding brown adipocyte fuel utilization is essential for metabolic research.
  • Targeting BAT metabolism offers potential therapeutic strategies for obesity and diabetes.
  • BAT's role in energy balance warrants further investigation.