Serum levels of interleukin-1 alpha (IL-1 alpha), interleukin-1 beta (IL-1 beta), interleukin-6 (IL-6), and tumor necrosis factor-alpha (TNF-alpha) in patients with acute viral hepatitis were investigated. Twelve patients suffering from acute viral hepatitis were studied; 8 patients presented with acute hepatitis B, 2 patients with acute hepatitis A, and 2 patients with acute hepatitis C. Serum levels of IL-1 alpha, IL-1 beta, IL-6, and TNF-alpha were significantly increased in all patients with acute viral hepatitis. Decreased serum levels of all cytokines were noted in four patients with acute hepatitis B during the recovery phase of infection. In addition, IL-1 alpha, IL-1 beta, IL-6, and TNF-alpha were undetectable at the end of a follow-up period of 6 months. Our study shows that increased levels of IL-1 alpha, IL-1 beta, IL-6, and TNF-alpha are probably related to hepatitis activity and thus may have some role in hepatocytic injury.
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Torre et al. (1994) studied this question.
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