. . . . . . . "[Study demonstrates that the inhibitory molecule PD-1 is significantly upregulated on total and HCV-specific CD8 (+) cytotoxic T cells in the peripheral blood and livers of patients with chronic infection.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2009-03-31"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2017-10-17T13:15:14+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .