
Research ArticleA heterogeneous hierarchy of co-regulatory receptors regulates exhaustion of HCV-specific CD8 T cells in patients with chronic hepatitis C
Keywords: تیم 3; HCV; hepatitis C virus; PD-1; programmed death protein 1; CTLA-4; cytotoxic T lymphocyte-associated antigen 4; TIM-3; T cell immunoglobulin and mucin domain-containing protein 3; CMV; cytomegalovirus; EBV; Epstein-Barr virus; PBMC; peripheral blood mono