Upregulation of indoleamine 2,3-dioxygenase in hepatitis C virus infection.
Indoleamine 2,3-dioxygenase (IDO) is induced by proinflammatory cytokines and by CTLA-4-expressing T cells and constitutes an important mediator of peripheral immune tolerance. In chronic hepatitis C, we found upregulation of IDO expression in the liver and an increased serum kynurenine/tryptophan r...
Main Authors: | , , , , , , , , , , , , , |
---|---|
Format: | Journal article |
Language: | English |
Published: |
2007
|