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Lockie, S.H.* ; Heppner, K.M.* ; Chaudhary, N.* ; Chabenne, J.R.* ; Morgan, D.A.* ; Veyrat-Durebex, C.* ; Ananthakrishnan, G.* ; Rohner-Jeanrenaud, F.* ; Drucker, D.J.* ; DiMarchi, R.* ; Rahmouni, K.* ; Oldfield, B.J.* ; Tschöp, M.H. ; Perez-Tilve, D.*

Direct control of brown adipose tissue thermogenesis by central nervous system glucagon-like peptide-1 receptor signaling.

Diabetes 61, 2753-2762 (2012)
Verlagsversion DOI PMC
Open Access Hybrid
Creative Commons Lizenzvertrag
We studied interscapular brown adipose tissue (iBAT) activity in wild-type (WT) and glucagon-like peptide 1 receptor (GLP-1R)-deficient mice after the administration of the proglucagon-derived peptides (PGDPs) glucagon-like peptide (GLP-1), glucagon (GCG), and oxyntomodulin (OXM) directly into the brain. Intracerebroventricular injection of PGDPs reduces body weight and increases iBAT thermogenesis. This was independent of changes in feeding and insulin responsiveness but correlated with increased activity of sympathetic fibers innervating brown adipose tissue (BAT). Despite being a GCG receptor agonist, OXM requires GLP-1R activation to induce iBAT thermogenesis. The increase in thermogenesis in WT mice correlates with increased expression of genes upregulated by adrenergic signaling and required for iBAT thermogenesis, including PGC1a and UCP-1. In spite of the increase in iBAT thermogenesis induced by GLP-1R activation in WT mice, Glp1r(-/-) mice exhibit a normal response to cold exposure, demonstrating that endogenous GLP-1R signaling is not essential for appropriate thermogenic response after cold exposure. Our data suggest that the increase in BAT thermogenesis may be an additional mechanism whereby pharmacological GLP-1R activation controls energy balance.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Sprache englisch
Veröffentlichungsjahr 2012
HGF-Berichtsjahr 2012
ISSN (print) / ISBN 0012-1797
e-ISSN 1939-327X
Zeitschrift Diabetes
Quellenangaben Band: 61, Heft: 11, Seiten: 2753-2762 Artikelnummer: , Supplement: ,
Verlag American Diabetes Association
Verlagsort Alexandria, VA.
Begutachtungsstatus Peer reviewed
PubMed ID 22933116
Erfassungsdatum 2020-02-24