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International journal of Immunopathology, allergology, infectology.

Features of the immune status in chronic hepatitis C in patients with lymphopriliferative diseases

Shardakov V.I., Nazarova E.L., Suchorukova J.E., Dokshina I.A.

The Federal State-Financed Scientific Institution Kirov research Institute of Hematology and Blood Transfusion under the Federal Medical Biological Agence, Kirov, Russia

Tumor transformation of immunocompetent cells in patients with chronic lymphoproliferative diseases (CLPD) leads to the formation of secondary immune deficiency, which increases the prevalence of infectious complications. Whether the presence of hepatitis C virus (HCV) and the formation of chronic hepatitis (HCV) further weaken the immunoreactivity of the patient, remains poorly understood.
The purpose of this work was to reveal the patterns of HCG formation in patients with CLPD with a detailed analysis of immune disorders associated with the chronicity of viral hepatitis C.
Another aim of the study was to disclose the patterns of HCG formation in patients with CLP with a detailed analysis of immune disorders associated with the chronicity of viral hepatitis C. The comparative assessment of immunological and biochemical parameters was carried out in 110 patients with HCV (85 chronic lymphocytic leukemia, 25 non- Hodgkin lymphoma), with the presence of hepatitis C virus markers (n=20) and 90 patients negative for HCV. To identify intergroup differences, the method of nonparametric statistics was used: the Mann-Whitney criterion.

Results. It was found that the group of HCV-infected patients is represented by younger persons compared to uninfected patients (median age 44 years vs. 60 years, p=0.004). Analyzing the state of the immune system, we have revealed that regardless of the presence of chronic hepatitis C, all patients had a defect in both cellular and humoral immunity. The degree of immune deficiency did not have a direct dependence on viral liver damage. Moreover, in the presence of HCV infection, there was an increase in the microbicidal activity of neutrophils, as well as an increase in the expression of CD95+ on lymphoid cells. Cytokine levels during HCV contamination fluctuated in different directions. There was an increase in the level of ALT in the group of patients with HCV. Findings. The formation of immune deficiency in patients with CLPD is largely associated with the presence of oncopathology and practically does not depend on the presence of chronic hepatitis C.

Keywords

Hepatitis C virus (HCV), hemoblastosis, immune response, cytokines, chronic hepatitis C, biochemical indicators

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Reference

Shardakov V.I., Nazarova E.L., Suchorukova J.E., Dokshina I.A. Immunopathology, allergology, infectology 2021; 2:18-24

DOI

10.14427/jipai.2021.2.18