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Immune function in alcoholism: a controlled study

Z Kronfol1, M Nair, E Hill

  • 1Department of Psychiatry and the Alcohol Research Center, University of Michigan, Ann Arbor 48109-0118.

Alcoholism, Clinical and Experimental Research
|April 1, 1993
PubMed
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Chronic alcoholism is linked to immune system changes, specifically increased IL2R and I2 lymphocyte activation markers. These subtle immune alterations in alcoholic patients require further investigation beyond alcohol consumption levels.

Area of Science:

  • Immunology
  • Clinical Medicine
  • Alcoholism Research

Background:

  • Alcoholism is associated with increased risks of infection and cancer.
  • The underlying mechanisms for these increased risks, particularly immunological dysfunction, are not well understood.

Purpose of the Study:

  • To investigate potential immunological dysfunction in chronic alcoholic patients.
  • To compare immune parameters between alcoholic patients and healthy controls.

Main Methods:

  • Studied lymphocyte phenotyping, including T cells, B cells, NK cells, and activation markers (IL2R1, I2).
  • Assessed Natural Killer (NK) cell activity and lymphokine-activated killer (LAK) cell activity.
  • Compared these immune measures in 47 hospitalized chronic alcoholics and 47 matched controls.

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Main Results:

  • Alcoholic patients showed significantly increased percentages of IL2R and I2 lymphocyte activation markers compared to controls.
  • A trend towards decreased suppressor T cells was observed in alcoholics, with a negative correlation between suppressor T cells and age.
  • No significant differences were found in NK cell or LAK cell activities between groups.

Conclusions:

  • Chronic alcoholism is associated with subtle alterations in immune regulation, indicated by increased IL2R and I2 markers.
  • These immune changes in alcoholics cannot be solely attributed to the duration or intensity of alcohol consumption.
  • Further research is needed to elucidate the precise mechanisms of immune dysfunction in alcoholism.