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. 2020 Mar 4;11:401. doi: 10.3389/fimmu.2020.00401

Figure 2.

Figure 2

Immunotherapeutic options to reinvigorate defective HBV-specific T cells. Therapeutic vaccines consist of, or express, HBV antigens. Processing of these antigens by professional antigen presenting cells (APC) can prime new, and reactivate pre-existing, HBV-specific T cells (left panel). Immune checkpoint inhibitors: monoclonal antibodies that prevent the interaction between programmed cell death protein-1 (PD-1) and its ligand, and boost the function of HBV-specific T cells (right panel).