Retention of CD4+ CD25+ FoxP3+ Regulatory T Cells in the Liver after Therapy-Induced Hepatitis C Virus Eradication in Humans

Journal of Virology, 05/09/2011

The authors findings, gathered by multiple samplings of the liver, indicate that successful antiviral therapy of chronic hepatitis C virus (HCV) patients does not lead to normalization of the local immune response to a resting state comparable to that for healthy livers. The continuous presence of high numbers of Treg, with a phenotype reflecting a relatively weak suppressive activity, suggests ongoing residual regulation of immunopathology. These findings provide important insight into the dynamics of the immune response to HCV, as well as the effect of therapy on intrahepatic immunity.

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