Figure 6. Resveratrol alters the sub-cellular expression pattern of PD-L1. Representative immunofluorescence staining of PD-L1 in JIMT-1 (left panels) and MDA-MB-231 (right panels) breast cancer cells cultured in the absence or presence of RSV, using an antibody directed against either an intracellular epitope (top panels) or an extracellular domain epitope (bottom panels) of PD-L1.