Gastroenterology

Adipose tissue-liver cross talk in the control of whole-body metabolism: implications in non-alcoholic fatty liver disease




Adipose tissue and the liver play a significant role in the regulation of whole body energy homeostasis, but they have not evolved to cope with the continuous, chronic, nutrient surplus seen in obesity. In this review, we detail how prolonged metabolic stress leads to adipose tissue dysfunction, inflammation and adipokine release that results in increased lipid flux to the liver. Overall, the upshot of hepatic fat accumulation alongside an insulin resistant state, is that hepatic lipid enzymatic pathways are modulated and overwhelmed, resulting in the selective build-up of toxic lipid species, which worsens the pro-inflammatory and pro-fibrotic shift observed in NASH.

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