Functional brown adipose tissue in healthy adults.

N Engl J Med 2009 Apr;360(15):1518-25

Turku PET Center, University of Turku, Finland.

Using positron-emission tomography (PET), we found that cold-induced glucose uptake was increased by a factor of 15 in paracervical and supraclavicular adipose tissue in five healthy subjects. We obtained biopsy specimens of this tissue from the first three consecutive subjects and documented messenger RNA (mRNA) and protein levels of the brown-adipocyte marker, uncoupling protein 1 (UCP1). Together with morphologic assessment, which showed numerous multilocular, intracellular lipid droplets, and with the results of biochemical analysis, these findings document the presence of substantial amounts of metabolically active brown adipose tissue in healthy adult humans.

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http://dx.doi.org/10.1056/NEJMoa0808949DOI Listing
April 2009
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