PMID: 16623441Apr 21, 2006Paper

Immunology of HCV infection: the causes of impaired cellular immune response and the effect of antiviral treatment

Orvosi hetilap
Gabriella PárAlajos Pár

Abstract

The outcome of HCV infection and the response to antiviral treatment depend on both viral and host factors. Host immune response contributes not only to viral control, clinical recovery and protective immunity, but also to chronic hepatitis and liver cirrhosis. Establishing immunological status and identifying pretreatment immunological factors associated with better response to therapy might be of importance in the understanding of the successful immune response and in the future of combination therapy to HCV infection. The authors delivered a review on the immunology of HCV infection and characterized the cause of impaired cellular immune response in chronic HCV infection. Natural killer (NK) cell activity, perforin and the inhibitory CD81 HCV co-receptor expression, and Th1/Th2 cytokine production of the monocytes and lymphocytes have been investigated. 42 patients with chronic hepatitis C, out of them 25 being on interferon (PEG-IFN) + ribavirin (RBV) therapy, 12 sustained virological responders, 26 HCV carriers with normal transaminase values and 22 healthy controls were studied. NK cell activity, perforin and CD81 expression, the IFNgamma, TNFalpha, IL-2 (Th1) and IL-4, IL-6, IL-10 (Th2) production of LPS stimulated monoc...Continue Reading

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