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DefinitionHepatic encephalopathy is a reversible neurologic syndrome that results from advanced liver dysfunction or portosystemic shunting. It leads to disturbances in cognition, behavior, and motor function due to the brain’s exposure to gut-derived toxins that the liver fails to detoxify.EtiologyThis condition develops either in the setting of acute fulminant hepatitis or progressively during chronic liver disease, such as cirrhosis and portal hypertension. Portosystemic shunting—including...
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In clinical practice, the direct measurement of hepatic blood flow to evaluate liver function presents significant challenges due to the intricate and specialized nature of the necessary techniques. Consequently, healthcare professionals often rely on empirical estimates derived from thorough patient examinations and liver function tests to gauge liver health. Among the tools at their disposal, the Child–Pugh and MELD scoring systems stand out for their ability to categorize and assess the...
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Chronic liver disease significantly impacts drug metabolism due to alterations in hepatic blood flow and enzyme accessibility. This disruption affects the body's pharmacokinetics—the movement and processing of drugs within the system. Key enzymes crucial for metabolizing medications become less accessible, changing how drugs are processed and utilized. Furthermore, liver disease influences the synthesis of plasma proteins, such as albumin and globulins, which play critical roles in drug binding...
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Hepatic neurons and metabolically induced liver dysfunction.

Sally N Pauss1, Kavaljit H Chhabra1,2, David E Stec3

  • 1Drug & Disease Discovery D3 Research Center, Department of Pharmacology and Nutritional Sciences, University of Kentucky College of Medicine, Lexington, KY, USA.

Nature Reviews. Endocrinology
|June 19, 2026
PubMed
Summary
This summary is machine-generated.

Hepatic nerves play a crucial role in liver disease progression. Targeting these nerves offers a potential new avenue for treating metabolic dysfunction-associated steatotic liver disease (MASLD) and its complications.

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Area of Science:

  • Hepatology and Neuroscience
  • Molecular and Cellular Biology
  • Metabolic Disease Research

Background:

  • Liver disease affects over 1.6 billion people globally.
  • The role of hepatic nerves in liver function and disease is not well understood.
  • Metabolic dysfunction-associated steatotic liver disease (MASLD) is a growing health concern.

Purpose of the Study:

  • To review the function of hepatic neurons in liver health and disease.
  • To explore how metabolic diseases modulate hepatic nerve function.
  • To identify potential therapeutic targets within the hepatic nervous system for liver diseases.

Main Methods:

  • Literature review of studies on hepatic innervation and metabolic liver disease.
  • Analysis of research on the sympathetic and parasympathetic nervous system's role in the liver.
  • Synthesis of findings on nerve modulation in MASLD progression.

Main Results:

  • Hepatic sympathetic activity increases, and innervation decreases as MASLD advances.
  • Both sympathetic and parasympathetic innervation may contribute to hepatic fibrosis and dysfunction.
  • Emerging evidence suggests hepatic nerves influence MASLD progression to steatohepatitis and cancer.

Conclusions:

  • Hepatic nerves are significantly involved in the pathogenesis of liver disease.
  • Understanding nerve-liver interactions is key to developing novel MASLD treatments.
  • Targeting hepatic neural mechanisms presents a promising therapeutic strategy for liver diseases.