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SHR Neuro Krebs Kardio Lipid Stoffw Microb

Panzitt, K; Wagner, M.
FXR in liver physiology: Multiple faces to regulate liver metabolism
BBA-MOL BASIS DIS. 2021; 1867(7): 166133 Doi: 10.1016/j.bbadis.2021.166133 [OPEN ACCESS]
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Führende Autor*innen der Med Uni Graz
Panzitt Katrin
Wagner Martin
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Abstract:
The liver is the central metabolic hub which coordinates nutritional inputs and metabolic outputs. Food intake releases bile acids which can be sensed by the bile acid receptor FXR in the liver and the intestine. Hepatic and intestinal FXR coordinately regulate postprandial nutrient disposal in a network of interacting metabolic nuclear receptors. In this review we summarize and update the "classical roles" of FXR as a central integrator of the feeding state response, which orchestrates the metabolic processing of carbohydrates, lipids, proteins and bile acids. We also discuss more recent and less well studied FXR effects on amino acid, protein metabolism, autophagic turnover and inflammation. In addition, we summarize the recent understanding of how FXR signaling is affected by posttranslational modifications and by different FXR isoforms. These modifications and variations in FXR signaling might be considered when FXR is targeted pharmaceutically in clinical applications. Copyright © 2021 The Authors. Published by Elsevier B.V. All rights reserved.

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