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Liver Zonation in Health and Disease: Hypoxia and Hypoxia-Inducible Transcription Factors as Concert Masters

Journal

Publisher

MDPI
DOI: 10.3390/ijms20092347

Keywords

ROS; antioxidants; antioxidative enzymes; matrix; diet; fibrosis; homeostasis; hypoxia; HIF; liver; metabolic zonation; metabolism; morphogen signaling; optimization; pathology; regulatory network; sinusoid; Hepatocytes

Funding

  1. Academy of Finland [SA 296027]
  2. Jane and Aatos Erkko Foundation
  3. Finnish Cancer Foundation
  4. Sigrid Juselius Foundation
  5. Biocenter Oulu
  6. European Cooperation in Science and Technology Organization (COST Action) [BM1203/EU-ROS]

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The liver and its zonation contribute to whole body homeostasis. Acute and chronic, not always liver, diseases impair proper metabolic zonation. Various underlying pathways, such as -catenin, hedgehog signaling, and the Hippo pathway, along with the physiologically occurring oxygen gradient, appear to be contributors. Interestingly, hypoxia and hypoxia-inducible transcription factors can orchestrate those pathways. In the current review, we connect novel findings of liver zonation in health and disease and provide a view about the dynamic interplay between these different pathways and cell-types to drive liver zonation and systemic homeostasis.

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