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Serum alpha-fetoprotein and alcohol consumption
M Christiansen1, J R Andersen, J Tørning
1Department of Clinical Biochemistry, Statens Seruminstitut, Copenhagen.
Summary
Elevated serum alpha-fetoprotein (S-AFP) levels are found in chronic alcoholics. Abstaining from alcohol significantly reduces S-AFP, suggesting a reversible alcohol-induced liver effect.
Area of Science:
- Hepatology
- Clinical Chemistry
- Biomarkers
Background:
- Chronic alcohol consumption is a major cause of liver disease.
- Serum alpha-fetoprotein (S-AFP) is a biomarker often associated with liver conditions.
- Understanding S-AFP's role in alcohol-related liver damage is crucial.
Purpose of the Study:
- To investigate serum alpha-fetoprotein (S-AFP) levels in chronic alcoholics compared to healthy individuals.
- To explore the relationship between S-AFP, alcohol consumption, and liver function markers.
- To assess the impact of alcohol abstinence on S-AFP levels.
Main Methods:
- Serum S-AFP was measured using a sensitive monoclonal immunofluorescent assay in 59 participants (23 alcoholics, 36 controls).
- Alcohol consumption and demographic data were recorded.
- Correlations between S-AFP, age, alcohol intake, and serum carbohydrate-deficient transferrin (S-CDT) and aspartate aminotransferase (S-ASAT) were analyzed.
Main Results:
- Alcoholics showed significantly higher median S-AFP (4.1 kIU/l) than near-abstainers (3.0 kIU/l).
- S-AFP correlated positively with age and, in non-alcoholics, with S-CDT.
- Two months of alcohol abstinence led to a median 21% reduction in S-AFP in alcoholics.
- S-AFP correlated with S-ASAT in alcoholics but not in social drinkers.
Conclusions:
- Elevated S-AFP is associated with chronic alcoholism and may indicate reversible alcohol-induced liver damage.
- S-AFP levels decrease with alcohol abstinence, highlighting its potential as a monitoring biomarker.
- S-AFP's correlation with liver enzymes in alcoholics suggests its utility in assessing liver affection.