Lymphopenia and lymphocyte transformation in alcoholics

Area of Science:

• Immunology
• Hepatology
• Clinical Medicine

Background:

• Chronic alcoholism and liver disease are often associated with peripheral blood lymphopenia.
• The underlying mechanisms contributing to this lymphopenia are not fully understood.

Purpose of the Study:

• To investigate the role of serum factors from patients with chronic alcoholism and liver disease in peripheral blood lymphopenia.
• To examine the effect of these sera on the in vitro transformation of normal human lymphocytes.

Main Methods:

• Collected sera from patients with chronic alcoholism and liver disease.
• Assessed the effect of these sera on phytohaemagglutinin (PHA)- and pokeweed mitogen (PWM)-induced lymphocyte transformation in vitro.
• Correlated the degree of serum-induced inhibition with the severity of lymphopenia.

Main Results:

• A positive correlation was observed between serum inhibition of PHA- and PWM-induced lymphocyte transformation and the degree of lymphopenia.
• Serum factors from these patients demonstrated an inhibitory effect on lymphocyte transformation.

Conclusions:

• Serum factors present in patients with chronic alcoholism and liver disease may contribute to lymphopenia.
• These factors potentially inhibit lymphocyte production in vivo, leading to reduced lymphocyte counts.