PMID: 11899822Mar 20, 2002Paper

Cytokine system in patients with chronic hepatitis C during treatment with interferon-alfa

Terapevticheskiĭ arkhiv
V T IvashkinM E Pochtar'

Abstract

To study changes in serum levels of interleukine-1 beta (IL-1b), IL-6, TNF-alpha (TNFa), HM-HMF and TFR-1 beta (TFR-1b), expression of surface antigens CD14 and CD95 on blood monocytes from patients with chronic hepatitis C (CHC) treated with interferon-alpha (INFa). Examinations covered 25 CHC patients and 25 healthy controls. Concentrations of proinflammatory cytokines and growth factors in blood serum were measured with ELISA (kits by "R&D systems", USA). CD14 and CD95 antigen expression on monocytes of venous blood were studied using flow cytoflowmeter (Partes, USA) before and after a 12-week course of INFa. Before INFa treatment CHC patients had significantly elevated serum concentrations of TNFa, HM-KSF and TFR-1b. Coexpression of antigens CD14+ and CD95+ was found on 61% of blood monocytes. Three-month INFa treatment lowered levels of TNFa, GM-KSF and CD95+ expression on monocytes as well as TFR-1b concentration in the serum which correlated with a positive trend in the standard clinicolaboratory and virusological indices in the examinees. Changes in serum indices of proinflammatory cytokines and growth factors, in expression of CD95 on blood monocytes from CHC patients treated with INFa show an important role of cytokin...Continue Reading

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