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Annu Rev Physiol. 2014;76:225-49. doi: 10.1146/annurev-physiol-021113-170252. Epub 2013 Nov 4.

A new era in brown adipose tissue biology: molecular control of brown fat development and energy homeostasis.

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Diabetes Center, Department of Cell and Tissue Biology, University of California, San Francisco, California 94143-0669; email:


Brown adipose tissue (BAT) is specialized to dissipate chemical energy in the form of heat as a defense against cold and excessive feeding. Interest in the field of BAT biology has exploded in the past few years because of the therapeutic potential of BAT to counteract obesity and obesity-related diseases, including insulin resistance. Much progress has been made, particularly in the areas of BAT physiology in adult humans, developmental lineages of brown adipose cell fate, and hormonal control of BAT thermogenesis. As we enter into a new era of brown fat biology, the next challenge will be to develop strategies for activating BAT thermogenesis in adult humans to increase whole-body energy expenditure. This article reviews the recent major advances in this field and discusses emerging questions.

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