Cited by 1,608Adipose Tissue and MetabolismLipid metabolism and disordersLipid metabolism and biosynthesis

Brown adipose tissue activity controls triglyceride clearance

Bartelt, Alexander, Bruns, Oliver T, Reimer, Rudolph, Hohenberg, Heinz, Ittrich, Harald, Peldschus, Kersten, Kaul, Michael G, Tromsdorf, Ulrich I +10 more·2011·Nature Medicine

Abstract

Brown adipose tissue (BAT) burns fatty acids for heat production to defend the body against cold and has recently been shown to be present in humans. Triglyceride-rich lipoproteins (TRLs) transport lipids in the bloodstream, where the fatty acid moieties are liberated by the action of lipoprotein lipase (LPL). Peripheral organs such as muscle and adipose tissue take up the fatty acids, whereas the remaining cholesterol-rich remnant particles are cleared by the liver. Elevated plasma triglyceride concentrations and prolonged circulation of cholesterol-rich remnants, especially in diabetic dyslipidemia, are risk factors for cardiovascular disease. However, the precise biological role of BAT for TRL clearance remains unclear. Here we show that increased BAT activity induced by short-term cold exposure controls TRL metabolism in mice. Cold exposure drastically accelerated plasma clearance of triglycerides as a result of increased uptake into BAT, a process crucially dependent on local LPL activity and transmembrane receptor CD36. In pathophysiological settings, cold exposure corrected hyperlipidemia and improved deleterious effects of insulin resistance. In conclusion, BAT activity controls vascular lipoprotein homeostasis by inducing a metabolic program that boosts TRL turnover and channels lipids into BAT. Activation of BAT might be a therapeutic approach to reduce elevated triglyceride concentrations and combat obesity in humans.

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Crossref · 10.1038/nm.2297

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Authors
Bartelt, A., Bruns, O. T., Reimer, R., Hohenberg, H., Ittrich, H., Peldschus, K., Kaul, M. G., Tromsdorf, U. I., Weller, H., Waurisch, C., Eychmüller, A., Gordts, P. L. S. M., Rinninger, F., Bruegelmann, K., Freund, B., Nielsen, P., Merkel, M., & Heeren, J.
Affiliations
  • University Medical Center Hamburg-Eppendorf (DE)
  • Universität Hamburg (DE)
  • Technische Universität Dresden (DE)
  • KU Leuven (BE)
Corresponding author
Bartelt, Alexander
Venue
Nature Medicine
Published
2011-01-23
Volume
17
Issue
2
Pages
200-205
ISSN
  • 1078-8956 (ISSN-L)
  • 1546-170X
OpenAlex
W2162023168
Cited by
1,608
References
37
Citations by year
2026: 49 · 2025: 75 · 2024: 82 · 2023: 110 · 2022: 115 · 2021: 133 · 2020: 134 · 2019: 141 · 2018: 130 · 2017: 129 · 2016: 112 · 2015: 128 · 2014: 88 · 2013: 87 · 2012: 66
FWCI
58.45
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Medicine (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Lipid metabolism and disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
Keywords
brown adipose tissue, triglyceride clearance, triglyceride-rich lipoproteins, lipoprotein lipase, CD36, cold exposure, hyperlipidemia, insulin resistance, obesity, cardiovascular disease, lipoprotein metabolism, remnant lipoproteins
MeSH terms
Animals, Body Temperature Regulation, Adipose Tissue, Brown, Cholesterol, Cold Temperature, Humans, Hyperlipidemias, Insulin Resistance, Lipoprotein Lipase, Lipoproteins, Male, Mice, Inbred C57BL, Obesity, Triglycerides, CD36 Antigens, Vascular Endothelial Growth Factor A, Mice

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