Fisicaro Fisicaro P P Barili Barili V V Montanini Montanini B B Targeting mitochondrial dysfunction can restore antiviral activity of exhausted HBV-specific CD8 T cells in chronic hepatitis B Targeting mitochondrial dysfunction can restore antiviral activity of exhausted HBV-specific CD8 T cells in chronic hepatitis B Nat Med Nat Med 2017 2017 23 23 3 3 327 327 336 336 10.1038/nm.4275 10.1038/nm.4275 28165481 28165481. This evidence concerns the gene CD8A and chronic hepatitis B virus infection.