Abstract
The concentration of beta 2-microglobulin in serum was determined in seventy-one patients with various liver disorders. Elevated values were found in most patients with chronic active or chronic persistent hepatitis and in over 80% of patients with alcohol-induced liver cirrhosis. In contrast, patients with alcohol-induced fatty liver, the serum beta 2-microglobulin concentrations were mostly within the normal range. Significant correlation (P less than 0.001) was noted between the elimination rate of galactose from blood and the serum beta 2-microglobulin concentration in patients with alcoholic liver damage but not in patients with chronic hepatitis. The reasons for the increased S-beta 2-microglobulin concentrations in liver diseases are unknown. Several explanations including a release of beta 2-microglobulin from necrotic liver cells or an increased synthesis of beta 2-microglobulin consequent to inflammation in the liver are possible. Alternatively, raised beta 2-microglobulin levels may reflect the hepatic synthesis during reparative growth.
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