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Diseases of the Liver and Gallbladder01:26

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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...
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The microscopic anatomy of the liver is a complex and intricate system that comprises numerous structural units known as liver lobules, each of which is comparable in size to a sesame seed. These hexagonal structures consist of plates of liver cells or hepatocytes, which are characterized by their versatility and abundance of cellular apparatus like rough and smooth ER, Golgi apparatus, peroxisomes, and mitochondria.
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Particles in a solid are tightly packed together (fixed shape) and often arranged in a regular pattern; in a liquid, they are close together with no regular arrangement (no fixed shape); in a gas, they are far apart with no regular arrangement (no fixed shape). Particles in a solid vibrate about fixed positions (cannot flow) and do not generally move in relation to one another; in a liquid, they move past each other (can flow) but remain in essentially constant contact; in a gas, they move...
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Related Experiment Video

Updated: Feb 5, 2026

A Standardized Liquid Biopsy Preanalytical Protocol for Downstream Circulating-Free DNA Applications
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A Standardized Liquid Biopsy Preanalytical Protocol for Downstream Circulating-Free DNA Applications

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Liquid biopsy for liver diseases.

Jelena Mann1, Helen L Reeves2, Ariel E Feldstein3

  • 1Newcastle Fibrosis Research Group, Institute of Cellular Medicine, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK.

Gut
|September 5, 2018
PubMed
Summary

Liquid biopsies offer non-invasive biomarkers for liver disease diagnosis and monitoring. Circulating extracellular vesicles, nucleic acids, and tumor cells show promise for precision medicine and early cancer detection, improving patient outcomes.

Keywords:
chronic liver diseaseclinical trialshepatocellular carcinomaliver biopsy

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Area of Science:

  • Hepatology and Translational Medicine
  • Biomarker Discovery
  • Precision Medicine

Background:

  • Liver diseases necessitate advanced diagnostic and monitoring tools.
  • Current liver biopsy methods are invasive and carry risks.
  • Early detection of liver cancer is crucial for treatment success.

Purpose of the Study:

  • To review the potential of liquid biopsy tools for liver disease management.
  • To explore circulating biomarkers like extracellular vesicles, nucleic acids, and tumor cells.
  • To identify challenges in clinical adoption of liquid biopsy approaches.

Main Methods:

  • Comprehensive literature review of liquid biopsy studies in liver diseases.
  • Analysis of circulating extracellular vesicles, cell-free DNA/RNA, and circulating tumor cells.
  • Evaluation of biomarker performance for diagnosis, stratification, and monitoring.

Main Results:

  • Liquid biopsy candidates (extracellular vesicles, nucleic acids, tumor cells) show promise as non-invasive biomarkers.
  • These biomarkers can potentially replace invasive liver biopsies.
  • Early detection of liver cancer via liquid biopsy can improve survival rates.

Conclusions:

  • Liquid biopsies represent a transformative approach for liver disease precision medicine.
  • Further research is needed to overcome challenges for clinical implementation.
  • Development of reliable, mechanism-based biomarkers is on the horizon.