Brown adipose tissue and the genetics of obesity

Research output: Contribution to journalArticle

Abstract

Obesity is associated with a number of metabolic diseases and various cancers. At the biological level, obesity is caused by a shift in the body's energy balance toward energy abundance. The main function of one type of adipocyte called brown adipocytes, found in brown adipose tissue (BAT), is to dissipate energy as heat-generated through action of uncoupling protein 1 (UCP1)-in response to certain physiological stimuli, a process called adaptive thermogenesis. A second type of UCP1-positive thermogenic adipocyte appears in the subcutaneous white adipose tissue (WAT) in response to chronic exposure to cold or to agonists for β3-adrenergic receptor (β3-AR) and peroxisome proliferator-activated receptor γ (PPARγ); these are called beige/brite adipocytes. Brown and beige/brite cells originate from different developmental lineages and the energy expenditure ability of these cells gave us great hope that BAT can be manipulated to treat obesity. Here, I review the progress made thus far in understanding the developmental origins of brown and beige cells and the molecular regulation of BAT-mediated thermogenesis, studied in various knockout and transgenic mouse models.

Original languageEnglish (US)
Pages (from-to)4-8
Number of pages5
JournalHeart and Metabolism
Issue number69
StatePublished - Mar 1 2016

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Brown Adipose Tissue
Thermogenesis
Obesity
Adipocytes
Brown Adipocytes
White Adipose Tissue
Adrenergic Agonists
Peroxisome Proliferator-Activated Receptors
Subcutaneous Fat
Metabolic Diseases
Knockout Mice
Energy Metabolism
Transgenic Mice
Hot Temperature
Neoplasms
Uncoupling Protein 1
Beige Adipocytes

Keywords

  • Beige cells
  • Brown fat
  • Genetic mouse models
  • Oxidative metabolism
  • PGC1α
  • Thermogenesis
  • UCP1

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Cardiology and Cardiovascular Medicine

Cite this

Brown adipose tissue and the genetics of obesity. / Ande, Satyanarayana.

In: Heart and Metabolism, No. 69, 01.03.2016, p. 4-8.

Research output: Contribution to journalArticle

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