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Melanocortin signaling in the cns directly regulates circulating cholesterol

Academic Article
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Overview

authors

  • Perez-Tilve, D.
  • Hofmann, S. M.
  • Basford, J.
  • Nogueiras, R.
  • Pfluger, P. T.
  • Patterson, J. T.
  • Grant, E.
  • Wilson-Perez, H. E.
  • Granholm, N. A.
  • Arnold, M.
  • Trevaskis, J. L.
  • Butler, Andrew
  • Davidson, W. S.
  • Woods, S. C.
  • Benoit, S. C.
  • Sleeman, M. W.
  • DiMarchi, R. D.
  • Hui, D. Y.
  • Tschop, M. H.

publication date

  • July 2010

journal

  • Nature Neuroscience  Journal

abstract

  • Cholesterol circulates in the blood in association with triglycerides and other lipids, and elevated blood low-density lipoprotein cholesterol carries a risk for metabolic and cardiovascular disorders, whereas high-density lipoprotein (HDL) cholesterol in the blood is thought to be beneficial. Circulating cholesterol is the balance among dietary cholesterol absorption, hepatic synthesis and secretion, and the metabolism of lipoproteins by various tissues. We found that the CNS is also an important regulator of cholesterol in rodents. Inhibiting the brain's melanocortin system by pharmacological, genetic or endocrine mechanisms increased circulating HDL cholesterol by reducing its uptake by the liver independent of food intake or body weight. Our data suggest that a neural circuit in the brain is directly involved in the control of cholesterol metabolism by the liver.

subject areas

  • Animals
  • Antigens, CD36
  • Body Weight
  • Cholesterol, HDL
  • Eating
  • Ghrelin
  • Glucagon-Like Peptide 1
  • Homeostasis
  • Hypothalamus
  • Liver
  • Melanocortins
  • Mice
  • Mice, Knockout
  • Neurosecretory Systems
  • Rats
  • Rats, Wistar
  • Receptors, Melanocortin
  • Scavenger Receptors, Class B
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Identity

PubMed Central ID

  • PMC3100172

International Standard Serial Number (ISSN)

  • 1097-6256

Digital Object Identifier (DOI)

  • 10.1038/nn.2569

PubMed ID

  • 20526334
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Additional Document Info

start page

  • 877

end page

  • 882

volume

  • 13

issue

  • 7

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