Glucagon-like peptide-1 receptor activation stimulates hepatic lipid oxidation and restores hepatic signalling alteration induced by a high-fat diet in nonalcoholic steatohepatitis

Gianluca Svegliati-Baroni, Stefania Saccomanno, Sabina Saccomanno, Chiara Rychlicki, Laura Agostinelli, Samuele De Minicis, Cinzia Candelaresi, Graziella Faraci, Deborah Pacetti, Marco Vivarelli, Daniele Nicolini, Paolo Garelli, Alessandro Casini, Melania Manco, Geltrude Mingrone, Andrea Risaliti, Giuseppe N. Frega, Antonio Benedetti, Amalia Gastaldelli

Research output: Contribution to journalArticle

265 Citations (Scopus)

Abstract

High-fat dietary intake and low physical activity lead to insulin resistance, nonalcoholic fatty liver disease (NAFLD) and nonalcoholic steatohepatitis (NASH). Recent studies have shown an effect of glucagon-like peptide-1 (GLP-1) on hepatic glucose metabolism, although GLP-1 receptors (GLP-1r) have not been found in human livers. The aim of this study was to investigate the presence of hepatic GLP-1r and the effect of exenatide, a GLP-1 analogue, on hepatic signalling.
Original languageEnglish
Pages (from-to)1285-1297
Number of pages13
JournalLiver International
Volume31
DOIs
Publication statusPublished - 2011

Keywords

  • AMP-Activated Protein Kinases
  • Animals
  • Biopsy
  • Cyclic AMP-Dependent Protein Kinases
  • Dietary Fats
  • Disease Models, Animal
  • Fatty Acids
  • Fatty Liver
  • Gene Expression Regulation
  • Hep G2 Cells
  • Hepatocytes
  • Humans
  • Hypoglycemic Agents
  • Insulin Resistance
  • JNK Mitogen-Activated Protein Kinases
  • Liver
  • Male
  • Oxidation-Reduction
  • PPAR alpha
  • PPAR gamma
  • Peptides
  • Phosphorylation
  • Proto-Oncogene Proteins c-akt
  • Rats
  • Rats, Sprague-Dawley
  • Receptors, Glucagon
  • Signal Transduction
  • Time Factors
  • Venoms

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