Orexin modulates brown adipose tissue thermogenesis

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Abstract

Non-shivering thermogenesis in brown adipose tissue (BAT) plays an important role in thermoregulation. In addition, activations of BAT have important implications for energy homeostasis due to the metabolic consumption of energy reserves entailed in the production of heat in this tissue. In this conceptual overview, we describe the role of orexins/hypocretins within the central nervous system in the modulation of thermogenesis in BAT under several physiological conditions. Within this framework, we consider potential neural mechanisms underlying the pathological conditions associated with the absence of the central orexinergic modulation of BAT thermogenesis and energy expenditure. Overall, the experimental basis for our understanding of the role of central orexin in regulating body temperature and energy homeostasis provides an illustrative example that highlights several general principles and caveats that should help guide future investigations of the neurochemical regulation of thermogenesis and metabolism.

Original languageEnglish (US)
Pages (from-to)381-386
Number of pages6
JournalBiomolecular Concepts
Volume3
Issue number4
DOIs
StatePublished - Jan 1 2012

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Keywords

  • cannabinoid
  • narcolepsy
  • obesity
  • stress
  • ultradian rhythm

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Cellular and Molecular Neuroscience

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