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An Advanced Murine Model for Nonalcoholic Steatohepatitis in Association with Type 2 Diabetes
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Lymphocyte subsets in alcoholic liver disease.

Luís Costa Matos1, Paulo Batista, Nuno Monteiro

  • 1Luís Costa Matos, Armando Carvalho, Faculty of Medicine of the University of Coimbra, 3004-504 Coimbra, Portugal.

World Journal of Hepatology
|May 7, 2013
PubMed
Summary

Alcoholic liver disease (ALD) patients exhibit significant lymphopenia, with decreased T and B lymphocyte counts. The CD4+/CD8+ ratio increases with advanced fibrosis, indicating immune dysregulation in alcohol-related liver damage.

Keywords:
Alcoholic liver diseaseAlcoholismFlow cytometryHFE geneLiver biopsyLiver fibrosisLymphocyte subsets

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06:53

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Published on: July 21, 2016

Area of Science:

  • Immunology
  • Hepatology
  • Gastroenterology

Background:

  • Alcoholic liver disease (ALD) is a significant health concern with complex immunological implications.
  • Understanding alterations in lymphocyte subsets is crucial for assessing disease severity and progression in ALD.
  • Flow cytometry provides a method for quantifying specific lymphocyte populations.

Purpose of the Study:

  • To compare lymphocyte subsets in patients with alcoholic liver disease versus healthy controls.
  • To investigate the relationship between lymphocyte subset changes and the stage of liver fibrosis and cirrhosis in ALD.
  • To analyze specific lymphocyte populations including T lymphocytes (CD3+, CD4+, CD8+), B lymphocytes (CD19+), and NK cells.

Main Methods:

  • A cohort of 56 patients with suspected ALD and 27 healthy controls were studied.
  • Liver biopsy specimens were analyzed for disease grading, and lymphocyte subsets were quantified using flow cytometry.
  • Analysis included comparisons between ALD patients and controls, as well as subgroups of patients with varying degrees of fibrosis and alcohol consumption.

Main Results:

  • ALD patients showed significant lymphopenia, with reduced counts in CD3+, CD4+, CD8+, and CD19+ lymphocytes, but not NK cells.
  • The CD4+/CD8+ T cell ratio was significantly elevated in ALD patients and correlated with fibrosis stage and Child-Pugh score.
  • Patients with active alcoholism without cirrhosis showed similar lymphopenia, while those with cirrhosis (non-active alcohol consumption) also had lymphopenia and an increased CD4+/CD8+ ratio.

Conclusions:

  • All ALD patient subsets exhibited decreased lymphocyte counts.
  • A significant increase in the CD4+/CD8+ ratio was observed specifically in patients with advanced liver fibrosis.
  • These findings highlight immune system alterations in alcoholic liver disease, particularly related to T-cell balance in advanced stages.